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  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_azul_ScheduleOfCurrentInvestmentTableTextBlock_019fc94a-c9d9-767f-954b-376e93fa7208_terseLabel_en-US" xlink:label="lab_azul_ScheduleOfCurrentInvestmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Short-Term Investments</link:label>
    <link:label id="lab_azul_ScheduleOfCurrentInvestmentTableTextBlock_label_en-US" xlink:label="lab_azul_ScheduleOfCurrentInvestmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Current Investment [Table Text Block]</link:label>
    <link:label id="lab_azul_ScheduleOfCurrentInvestmentTableTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleOfCurrentInvestmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Current Investment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleOfCurrentInvestmentTableTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleOfCurrentInvestmentTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleOfCurrentInvestmentTableTextBlock" xlink:to="lab_azul_ScheduleOfCurrentInvestmentTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdjustmentsForDecreaseIncreaseInRecoverableTaxes_019fcdb1-8e31-7cb8-a590-3aaffd0506c1_terseLabel_en-US" xlink:label="lab_azul_AdjustmentsForDecreaseIncreaseInRecoverableTaxes" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taxes recoverable</link:label>
    <link:label id="lab_azul_AdjustmentsForDecreaseIncreaseInRecoverableTaxes_label_en-US" xlink:label="lab_azul_AdjustmentsForDecreaseIncreaseInRecoverableTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in recoverable taxes</link:label>
    <link:label id="lab_azul_AdjustmentsForDecreaseIncreaseInRecoverableTaxes_documentation_en-US" xlink:label="lab_azul_AdjustmentsForDecreaseIncreaseInRecoverableTaxes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in recoverable taxes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdjustmentsForDecreaseIncreaseInRecoverableTaxes" xlink:href="azul-20260828.xsd#azul_AdjustmentsForDecreaseIncreaseInRecoverableTaxes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdjustmentsForDecreaseIncreaseInRecoverableTaxes" xlink:to="lab_azul_AdjustmentsForDecreaseIncreaseInRecoverableTaxes" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpense_019fc94a-c9db-7ebc-96d8-fb5648f95552_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest incurred</link:label>
    <link:label id="lab_ifrs-full_InterestExpense_label_en-US" xlink:label="lab_ifrs-full_InterestExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpense" xlink:to="lab_ifrs-full_InterestExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_019fc94a-c9d9-79d6-8245-8704488fed34_negatedLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Acquisition of property and equipment</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase of property, plant and equipment, classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ClearinghouseMember_019fc94a-c9d9-7f1d-92a2-310e8640bd5f_terseLabel_en-US" xlink:label="lab_azul_ClearinghouseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Clearinghouse</link:label>
    <link:label id="lab_azul_ClearinghouseMember_label_en-US" xlink:label="lab_azul_ClearinghouseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Clearinghouse [Member]</link:label>
    <link:label id="lab_azul_ClearinghouseMember_documentation_en-US" xlink:label="lab_azul_ClearinghouseMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Clearinghouse</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ClearinghouseMember" xlink:href="azul-20260828.xsd#azul_ClearinghouseMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ClearinghouseMember" xlink:to="lab_azul_ClearinghouseMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WagesAndSalaries_019fc94a-c9db-7eb7-bd30-ff6e0ce20c8e_terseLabel_en-US" xlink:label="lab_ifrs-full_WagesAndSalaries" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Salaries and benefits</link:label>
    <link:label id="lab_ifrs-full_WagesAndSalaries_label_en-US" xlink:label="lab_ifrs-full_WagesAndSalaries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Wages and salaries</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WagesAndSalaries" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WagesAndSalaries"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WagesAndSalaries" xlink:to="lab_ifrs-full_WagesAndSalaries" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_PurchaseOfCapitalizedMaintenance_019fcdb1-8e32-7bee-9d5d-1fc10d33e7d7_negatedTerseLabel_en-US" xlink:label="lab_azul_PurchaseOfCapitalizedMaintenance" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Acquisition of capitalized maintenance</link:label>
    <link:label id="lab_azul_PurchaseOfCapitalizedMaintenance_label_en-US" xlink:label="lab_azul_PurchaseOfCapitalizedMaintenance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase of capitalized maintenance</link:label>
    <link:label id="lab_azul_PurchaseOfCapitalizedMaintenance_documentation_en-US" xlink:label="lab_azul_PurchaseOfCapitalizedMaintenance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase of capitalized maintenance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_PurchaseOfCapitalizedMaintenance" xlink:href="azul-20260828.xsd#azul_PurchaseOfCapitalizedMaintenance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_PurchaseOfCapitalizedMaintenance" xlink:to="lab_azul_PurchaseOfCapitalizedMaintenance" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherFinanceIncome_019fc94a-c9dc-7a1c-8595-3127919f8233_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherFinanceIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_ifrs-full_OtherFinanceIncome_label_en-US" xlink:label="lab_ifrs-full_OtherFinanceIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other finance income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherFinanceIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherFinanceIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherFinanceIncome" xlink:to="lab_ifrs-full_OtherFinanceIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SeniorNotes1LDue2028Member_019fc94a-c9da-72e6-a7aa-065d677491ec_terseLabel_en-US" xlink:label="lab_azul_SeniorNotes1LDue2028Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior notes 1L &#8211; 2028</link:label>
    <link:label id="lab_azul_SeniorNotes1LDue2028Member_label_en-US" xlink:label="lab_azul_SeniorNotes1LDue2028Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior notes 1L due 2028 [Member]</link:label>
    <link:label id="lab_azul_SeniorNotes1LDue2028Member_documentation_en-US" xlink:label="lab_azul_SeniorNotes1LDue2028Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior notes 1L due 2028</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SeniorNotes1LDue2028Member" xlink:href="azul-20260828.xsd#azul_SeniorNotes1LDue2028Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SeniorNotes1LDue2028Member" xlink:to="lab_azul_SeniorNotes1LDue2028Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncome_019fc94a-33e3-7570-99a6-3ccdd46f6a0d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deferred income tax and social contribution</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxExpenseIncome" xlink:to="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TypeOfDeferredTaxesAxis_019fc94a-c9da-7111-bca5-b034bf00379d_terseLabel_en-US" xlink:label="lab_azul_TypeOfDeferredTaxesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type of deferred taxes [Axis]</link:label>
    <link:label id="lab_azul_TypeOfDeferredTaxesAxis_label_en-US" xlink:label="lab_azul_TypeOfDeferredTaxesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type of deferred taxes [Axis]</link:label>
    <link:label id="lab_azul_TypeOfDeferredTaxesAxis_documentation_en-US" xlink:label="lab_azul_TypeOfDeferredTaxesAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Type of deferred taxes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TypeOfDeferredTaxesAxis" xlink:href="azul-20260828.xsd#azul_TypeOfDeferredTaxesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TypeOfDeferredTaxesAxis" xlink:to="lab_azul_TypeOfDeferredTaxesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyDomain_019fc94a-c9dc-74c9-9f42-a4102ed49db3_terseLabel_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [domain]</link:label>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyDomain_label_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="lab_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ApplicableTaxRateCorporateIncomeTaxIRPJ_019ff2b0-4036-72d1-9e17-045ce0fdb28e_negatedTerseLabel_en-US" xlink:label="lab_azul_ApplicableTaxRateCorporateIncomeTaxIRPJ" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Applicable tax rate, corporate income tax IRPJ</link:label>
    <link:label id="lab_azul_ApplicableTaxRateCorporateIncomeTaxIRPJ_019fc94a-c9da-7c9e-93fd-7e03b2ef5eab_terseLabel_en-US" xlink:label="lab_azul_ApplicableTaxRateCorporateIncomeTaxIRPJ" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Applicable tax rate, corporate income tax IRPJ</link:label>
    <link:label id="lab_azul_ApplicableTaxRateCorporateIncomeTaxIRPJ_label_en-US" xlink:label="lab_azul_ApplicableTaxRateCorporateIncomeTaxIRPJ" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Applicable tax rate, corporate income tax IRPJ</link:label>
    <link:label id="lab_azul_ApplicableTaxRateCorporateIncomeTaxIRPJ_documentation_en-US" xlink:label="lab_azul_ApplicableTaxRateCorporateIncomeTaxIRPJ" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Applicable tax rate, corporate income tax IRPJ</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ApplicableTaxRateCorporateIncomeTaxIRPJ" xlink:href="azul-20260828.xsd#azul_ApplicableTaxRateCorporateIncomeTaxIRPJ"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ApplicableTaxRateCorporateIncomeTaxIRPJ" xlink:to="lab_azul_ApplicableTaxRateCorporateIncomeTaxIRPJ" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CapitalReserveAdjusted_019ffb83-a5e4-74b9-b45e-5c5968f023be_terseLabel_en-US" xlink:label="lab_azul_CapitalReserveAdjusted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital reserve</link:label>
    <link:label id="lab_azul_CapitalReserveAdjusted_label_en-US" xlink:label="lab_azul_CapitalReserveAdjusted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Reserve, Adjusted</link:label>
    <link:label id="lab_azul_CapitalReserveAdjusted_documentation_en-US" xlink:label="lab_azul_CapitalReserveAdjusted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Capital Reserve, Adjusted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CapitalReserveAdjusted" xlink:href="azul-20260828.xsd#azul_CapitalReserveAdjusted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CapitalReserveAdjusted" xlink:to="lab_azul_CapitalReserveAdjusted" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SeniorNotes2030Member_019fc94a-c9da-7ad4-8655-9bf11cc88fd3_terseLabel_en-US" xlink:label="lab_azul_SeniorNotes2030Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior notes &#8211; 2030</link:label>
    <link:label id="lab_azul_SeniorNotes2030Member_label_en-US" xlink:label="lab_azul_SeniorNotes2030Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior notes 2030 [Member]</link:label>
    <link:label id="lab_azul_SeniorNotes2030Member_documentation_en-US" xlink:label="lab_azul_SeniorNotes2030Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior notes 2030</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SeniorNotes2030Member" xlink:href="azul-20260828.xsd#azul_SeniorNotes2030Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SeniorNotes2030Member" xlink:to="lab_azul_SeniorNotes2030Member" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_FinancialCovenantsAxis_019fc94a-c9da-7c07-8643-37eab33be1dd_terseLabel_en-US" xlink:label="lab_azul_FinancialCovenantsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial covenants [Axis]</link:label>
    <link:label id="lab_azul_FinancialCovenantsAxis_label_en-US" xlink:label="lab_azul_FinancialCovenantsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial covenants [Axis]</link:label>
    <link:label id="lab_azul_FinancialCovenantsAxis_documentation_en-US" xlink:label="lab_azul_FinancialCovenantsAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial covenants</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_FinancialCovenantsAxis" xlink:href="azul-20260828.xsd#azul_FinancialCovenantsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_FinancialCovenantsAxis" xlink:to="lab_azul_FinancialCovenantsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember_019fc94a-c9d9-7178-96e8-90e8a8336b6d_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Not past due</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets neither past due nor impaired [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember" xlink:to="lab_ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_019fc94a-c9d9-74dc-96d4-dfc89c60a430_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2028</link:label>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than two years and not later than three years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:to="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsDesignatedAtFairValueThroughProfitOrLossExplanatory_019fc94a-c9db-717e-9c40-5debf1a3181b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsDesignatedAtFairValueThroughProfitOrLossExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Derivative Financial Instruments</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsDesignatedAtFairValueThroughProfitOrLossExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsDesignatedAtFairValueThroughProfitOrLossExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial instruments designated at fair value through profit or loss [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsDesignatedAtFairValueThroughProfitOrLossExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsDesignatedAtFairValueThroughProfitOrLossExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsDesignatedAtFairValueThroughProfitOrLossExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsDesignatedAtFairValueThroughProfitOrLossExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndCashEquivalentsAbstract_label_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalentsAbstract" xlink:to="lab_ifrs-full_CashAndCashEquivalentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives_019fcdb1-8e31-7819-9e19-a58e94c5bb03_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments, net</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for gains (losses) on change in fair value of derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives" xlink:to="lab_ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_WorkingCapitalFinancingMember_019ff13c-9871-7b1e-b3a8-4880d1f4f75f_terseLabel_en-US" xlink:label="lab_azul_WorkingCapitalFinancingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Working Capital Financing</link:label>
    <link:label id="lab_azul_WorkingCapitalFinancingMember_label_en-US" xlink:label="lab_azul_WorkingCapitalFinancingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Working Capital Financing [Member]</link:label>
    <link:label id="lab_azul_WorkingCapitalFinancingMember_documentation_en-US" xlink:label="lab_azul_WorkingCapitalFinancingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Working Capital Financing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_WorkingCapitalFinancingMember" xlink:href="azul-20260828.xsd#azul_WorkingCapitalFinancingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_WorkingCapitalFinancingMember" xlink:to="lab_azul_WorkingCapitalFinancingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ContractualModificationsToRightOfUseAssets_019fc94a-c9da-791e-a4eb-1124d9a22716_terseLabel_en-US" xlink:label="lab_azul_ContractualModificationsToRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Modifications</link:label>
    <link:label id="lab_azul_ContractualModificationsToRightOfUseAssets_label_en-US" xlink:label="lab_azul_ContractualModificationsToRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual modifications to right-of-use assets</link:label>
    <link:label id="lab_azul_ContractualModificationsToRightOfUseAssets_documentation_en-US" xlink:label="lab_azul_ContractualModificationsToRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contractual modifications to right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ContractualModificationsToRightOfUseAssets" xlink:href="azul-20260828.xsd#azul_ContractualModificationsToRightOfUseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ContractualModificationsToRightOfUseAssets" xlink:to="lab_azul_ContractualModificationsToRightOfUseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember_019fc94a-c9d9-7b76-b9ee-1a6dd025b1ce_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">181 to 360 days</link:label>
    <link:label id="lab_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than six months and not later than one year [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember" xlink:to="lab_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_019fc94a-c9da-7f80-b678-e21050dbc166_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other tax effects for reconciliation between accounting profit and tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:to="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceIncomeCost_019fc94a-c9dc-73d0-9c5c-d4cc3bff4eca_totalLabel_en-US" xlink:label="lab_ifrs-full_FinanceIncomeCost" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Financial result, net</link:label>
    <link:label id="lab_ifrs-full_FinanceIncomeCost_label_en-US" xlink:label="lab_ifrs-full_FinanceIncomeCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance income (cost)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncomeCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceIncomeCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceIncomeCost" xlink:to="lab_ifrs-full_FinanceIncomeCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory_019fc94a-c9da-7ce6-a993-73a4415b6112_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">RIGHT-OF-USE ASSETS</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_019fc94a-c9da-79ad-ba4e-aaba82de91c4_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTreasurySharesExplanatory_019fc94a-c9db-7a21-8b82-10309a9da6b6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTreasurySharesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Schedule of Movement of Treasury Shares</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTreasurySharesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTreasurySharesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of treasury shares [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTreasurySharesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTreasurySharesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTreasurySharesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTreasurySharesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_UnrecordedAndRecordedTaxBenefit_019feefb-8aed-738f-a4e3-ec9022b28602_terseLabel_en-US" xlink:label="lab_azul_UnrecordedAndRecordedTaxBenefit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecorded and recorded benefit no tax losses and temporary differences</link:label>
    <link:label id="lab_azul_UnrecordedAndRecordedTaxBenefit_label_en-US" xlink:label="lab_azul_UnrecordedAndRecordedTaxBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecorded And Recorded Tax Benefit</link:label>
    <link:label id="lab_azul_UnrecordedAndRecordedTaxBenefit_documentation_en-US" xlink:label="lab_azul_UnrecordedAndRecordedTaxBenefit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unrecorded And Recorded Tax Benefit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_UnrecordedAndRecordedTaxBenefit" xlink:href="azul-20260828.xsd#azul_UnrecordedAndRecordedTaxBenefit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_UnrecordedAndRecordedTaxBenefit" xlink:to="lab_azul_UnrecordedAndRecordedTaxBenefit" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_019fc94a-33e3-74dc-bf39-479894092240_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_019fc94a-c9da-7e94-866f-306d1c8301bc_periodStartLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Intangible assets and goodwill at beginning of period</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_019fc94a-c9da-71e6-a4cb-dbdae9d31092_periodEndLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Intangible assets and goodwill at end of period</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets and goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisposalOfSharesValue_019ffb84-550f-74df-9e7e-b3b296c564f2_negatedTerseLabel_en-US" xlink:label="lab_azul_DisposalOfSharesValue" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Disposal of shares resulting from a share consolidation</link:label>
    <link:label id="lab_azul_DisposalOfSharesValue_label_en-US" xlink:label="lab_azul_DisposalOfSharesValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposal Of Shares, Value</link:label>
    <link:label id="lab_azul_DisposalOfSharesValue_documentation_en-US" xlink:label="lab_azul_DisposalOfSharesValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disposal Of Shares, Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisposalOfSharesValue" xlink:href="azul-20260828.xsd#azul_DisposalOfSharesValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisposalOfSharesValue" xlink:to="lab_azul_DisposalOfSharesValue" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfTradeAndOtherReceivablesAndAllowanceForDoubtfulAccountsTextBlock_019fc94a-c9d9-7801-b6c4-9cd02146e860_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfTradeAndOtherReceivablesAndAllowanceForDoubtfulAccountsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Accounts Receivables</link:label>
    <link:label id="lab_azul_DisclosureOfTradeAndOtherReceivablesAndAllowanceForDoubtfulAccountsTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfTradeAndOtherReceivablesAndAllowanceForDoubtfulAccountsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of trade and other receivables and allowance for doubtful accounts [Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfTradeAndOtherReceivablesAndAllowanceForDoubtfulAccountsTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfTradeAndOtherReceivablesAndAllowanceForDoubtfulAccountsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of trade and other receivables and allowance for doubtful accounts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfTradeAndOtherReceivablesAndAllowanceForDoubtfulAccountsTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfTradeAndOtherReceivablesAndAllowanceForDoubtfulAccountsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfTradeAndOtherReceivablesAndAllowanceForDoubtfulAccountsTextBlock" xlink:to="lab_azul_DisclosureOfTradeAndOtherReceivablesAndAllowanceForDoubtfulAccountsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of comprehensive income [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfComprehensiveIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_019fc94a-33e4-70d9-b865-45854f079b9b_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [line items]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ClassesOfHedgingDesignationAxis_019fc94a-c9da-751b-880b-9a44f1234bba_terseLabel_en-US" xlink:label="lab_azul_ClassesOfHedgingDesignationAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of hedging designation [Axis]</link:label>
    <link:label id="lab_azul_ClassesOfHedgingDesignationAxis_label_en-US" xlink:label="lab_azul_ClassesOfHedgingDesignationAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of hedging designation [Axis]</link:label>
    <link:label id="lab_azul_ClassesOfHedgingDesignationAxis_documentation_en-US" xlink:label="lab_azul_ClassesOfHedgingDesignationAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Classes of hedging designation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ClassesOfHedgingDesignationAxis" xlink:href="azul-20260828.xsd#azul_ClassesOfHedgingDesignationAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ClassesOfHedgingDesignationAxis" xlink:to="lab_azul_ClassesOfHedgingDesignationAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AliquotBaseRateForIRPJ_019fc94a-c9da-7993-b91c-e3e9d361ba45_terseLabel_en-US" xlink:label="lab_azul_AliquotBaseRateForIRPJ" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aliquot base rate</link:label>
    <link:label id="lab_azul_AliquotBaseRateForIRPJ_label_en-US" xlink:label="lab_azul_AliquotBaseRateForIRPJ" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aliquot base rate for IRPJ</link:label>
    <link:label id="lab_azul_AliquotBaseRateForIRPJ_documentation_en-US" xlink:label="lab_azul_AliquotBaseRateForIRPJ" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aliquot base rate for IRPJ</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AliquotBaseRateForIRPJ" xlink:href="azul-20260828.xsd#azul_AliquotBaseRateForIRPJ"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AliquotBaseRateForIRPJ" xlink:to="lab_azul_AliquotBaseRateForIRPJ" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TradePayablesMember_019fc94a-c9dc-76a5-a2f2-c425b881655b_terseLabel_en-US" xlink:label="lab_azul_TradePayablesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</link:label>
    <link:label id="lab_azul_TradePayablesMember_label_en-US" xlink:label="lab_azul_TradePayablesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade payables [Member]</link:label>
    <link:label id="lab_azul_TradePayablesMember_documentation_en-US" xlink:label="lab_azul_TradePayablesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trade payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TradePayablesMember" xlink:href="azul-20260828.xsd#azul_TradePayablesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TradePayablesMember" xlink:to="lab_azul_TradePayablesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InterestPaidLoansAndFinancing_019fcdb1-8e32-7610-a6ed-697959f8af43_negatedTerseLabel_en-US" xlink:label="lab_azul_InterestPaidLoansAndFinancing" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Loans and financing</link:label>
    <link:label id="lab_azul_InterestPaidLoansAndFinancing_label_en-US" xlink:label="lab_azul_InterestPaidLoansAndFinancing" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest paid, loans and financing</link:label>
    <link:label id="lab_azul_InterestPaidLoansAndFinancing_documentation_en-US" xlink:label="lab_azul_InterestPaidLoansAndFinancing" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest paid, loans and financing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InterestPaidLoansAndFinancing" xlink:href="azul-20260828.xsd#azul_InterestPaidLoansAndFinancing"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InterestPaidLoansAndFinancing" xlink:to="lab_azul_InterestPaidLoansAndFinancing" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CargoTransportAndOtherRevenueMember_019fc94a-c9dc-7596-8fe0-0e0025f1aeea_terseLabel_en-US" xlink:label="lab_azul_CargoTransportAndOtherRevenueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other revenues</link:label>
    <link:label id="lab_azul_CargoTransportAndOtherRevenueMember_label_en-US" xlink:label="lab_azul_CargoTransportAndOtherRevenueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cargo transport and other revenue [Member]</link:label>
    <link:label id="lab_azul_CargoTransportAndOtherRevenueMember_documentation_en-US" xlink:label="lab_azul_CargoTransportAndOtherRevenueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cargo transport and other revenue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CargoTransportAndOtherRevenueMember" xlink:href="azul-20260828.xsd#azul_CargoTransportAndOtherRevenueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CargoTransportAndOtherRevenueMember" xlink:to="lab_azul_CargoTransportAndOtherRevenueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashLeaseModifications_019fc94a-c9dc-70c2-984d-c85eda7d2320_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashLeaseModifications" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease Modifications</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashLeaseModifications_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashLeaseModifications" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Lease Modifications</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashLeaseModifications_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashLeaseModifications" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Lease Modifications</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughNoncashLeaseModifications" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughNoncashLeaseModifications"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughNoncashLeaseModifications" xlink:to="lab_azul_IncreaseDecreaseThroughNoncashLeaseModifications" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners_019fc94a-33e4-737f-8464-1163e578c0bc_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital increase</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase through other contributions by owners, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentPayables_019fc94a-33e3-7a44-ae83-072eec1d555a_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</link:label>
    <link:label id="lab_ifrs-full_NoncurrentPayables_019fc94a-c9db-7d80-8628-30ee787ce6ed_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentPayables" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_NoncurrentPayables_label_en-US" xlink:label="lab_ifrs-full_NoncurrentPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other non-current payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentPayables" xlink:to="lab_ifrs-full_NoncurrentPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialLiabilities_019fc94a-33e3-77e9-83d6-61a84a7be2c5_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments</link:label>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current derivative financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentDerivativeFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfFinancialPositionAbstract_019fc94a-c9d9-712f-939a-7bde80e19e90_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of financial position [abstract]</link:label>
    <link:label id="lab_ifrs-full_StatementOfFinancialPositionAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of financial position [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfFinancialPositionAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InterestExpenseOnBankLoansAndOverdraftAdjusted_019ffb67-5d37-729d-84a8-8a91b59aaf8d_negatedLabel_en-US" xlink:label="lab_azul_InterestExpenseOnBankLoansAndOverdraftAdjusted" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest on loans and financing</link:label>
    <link:label id="lab_azul_InterestExpenseOnBankLoansAndOverdraftAdjusted_label_en-US" xlink:label="lab_azul_InterestExpenseOnBankLoansAndOverdraftAdjusted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense On Bank Loans And Overdraft, Adjusted</link:label>
    <link:label id="lab_azul_InterestExpenseOnBankLoansAndOverdraftAdjusted_documentation_en-US" xlink:label="lab_azul_InterestExpenseOnBankLoansAndOverdraftAdjusted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest Expense On Bank Loans And Overdraft, Adjusted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InterestExpenseOnBankLoansAndOverdraftAdjusted" xlink:href="azul-20260828.xsd#azul_InterestExpenseOnBankLoansAndOverdraftAdjusted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InterestExpenseOnBankLoansAndOverdraftAdjusted" xlink:to="lab_azul_InterestExpenseOnBankLoansAndOverdraftAdjusted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherOperatingIncomeExpense_019fc94a-33e3-7fe0-b740-e0852859e69b_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherOperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_ifrs-full_OtherOperatingIncomeExpense_label_en-US" xlink:label="lab_ifrs-full_OtherOperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other operating income (expense)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherOperatingIncomeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherOperatingIncomeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherOperatingIncomeExpense" xlink:to="lab_ifrs-full_OtherOperatingIncomeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CoverAbstract_label_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cover [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CoverAbstract" xlink:to="lab_dei_CoverAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughDIP_019fef2f-6d2c-7ccf-a120-26d33de48fd5_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughDIP" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) through DIP</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughDIP_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughDIP" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through DIP</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughDIP_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughDIP" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through DIP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughDIP" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughDIP"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughDIP" xlink:to="lab_azul_IncreaseDecreaseThroughDIP" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ResultOnDisposalOrSaleOfFixedAssetsRightOfUseIntangibleAssetsAndInventories_019fcdb1-8e31-7dcc-85eb-d27b11051e56_negatedTerseLabel_en-US" xlink:label="lab_azul_ResultOnDisposalOrSaleOfFixedAssetsRightOfUseIntangibleAssetsAndInventories" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Result in the write-off of property and equipment, intangible assets and lease</link:label>
    <link:label id="lab_azul_ResultOnDisposalOrSaleOfFixedAssetsRightOfUseIntangibleAssetsAndInventories_label_en-US" xlink:label="lab_azul_ResultOnDisposalOrSaleOfFixedAssetsRightOfUseIntangibleAssetsAndInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Result on disposal or sale, of fixed assets, right of use, intangible assets and inventories</link:label>
    <link:label id="lab_azul_ResultOnDisposalOrSaleOfFixedAssetsRightOfUseIntangibleAssetsAndInventories_documentation_en-US" xlink:label="lab_azul_ResultOnDisposalOrSaleOfFixedAssetsRightOfUseIntangibleAssetsAndInventories" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Result on disposal or sale, of fixed assets, right of use, intangible assets and inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ResultOnDisposalOrSaleOfFixedAssetsRightOfUseIntangibleAssetsAndInventories" xlink:href="azul-20260828.xsd#azul_ResultOnDisposalOrSaleOfFixedAssetsRightOfUseIntangibleAssetsAndInventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ResultOnDisposalOrSaleOfFixedAssetsRightOfUseIntangibleAssetsAndInventories" xlink:to="lab_azul_ResultOnDisposalOrSaleOfFixedAssetsRightOfUseIntangibleAssetsAndInventories" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdvancesToSuppliersLineItems_019fc94a-c9da-7124-ac31-2cf49010fce2_terseLabel_en-US" xlink:label="lab_azul_AdvancesToSuppliersLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances to suppliers [Line Items]</link:label>
    <link:label id="lab_azul_AdvancesToSuppliersLineItems_label_en-US" xlink:label="lab_azul_AdvancesToSuppliersLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances to suppliers [Line Items]</link:label>
    <link:label id="lab_azul_AdvancesToSuppliersLineItems_documentation_en-US" xlink:label="lab_azul_AdvancesToSuppliersLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advances to suppliers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdvancesToSuppliersLineItems" xlink:href="azul-20260828.xsd#azul_AdvancesToSuppliersLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdvancesToSuppliersLineItems" xlink:to="lab_azul_AdvancesToSuppliersLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ReversalOfProvisionForAdvancesToSuppliersLosses_019fc94a-c9da-7f55-9c75-c870c0dedaad_negatedTerseLabel_en-US" xlink:label="lab_azul_ReversalOfProvisionForAdvancesToSuppliersLosses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Reversals</link:label>
    <link:label id="lab_azul_ReversalOfProvisionForAdvancesToSuppliersLosses_label_en-US" xlink:label="lab_azul_ReversalOfProvisionForAdvancesToSuppliersLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reversal of provision for advances to suppliers losses</link:label>
    <link:label id="lab_azul_ReversalOfProvisionForAdvancesToSuppliersLosses_documentation_en-US" xlink:label="lab_azul_ReversalOfProvisionForAdvancesToSuppliersLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents reversal of provision for advances to suppliers losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ReversalOfProvisionForAdvancesToSuppliersLosses" xlink:href="azul-20260828.xsd#azul_ReversalOfProvisionForAdvancesToSuppliersLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ReversalOfProvisionForAdvancesToSuppliersLosses" xlink:to="lab_azul_ReversalOfProvisionForAdvancesToSuppliersLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_QuantityAbstract_019fc94a-c9db-704b-9270-d1ecccd1a557_terseLabel_en-US" xlink:label="lab_azul_QuantityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Quantity</link:label>
    <link:label id="lab_azul_QuantityAbstract_label_en-US" xlink:label="lab_azul_QuantityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Quantity [Abstract]</link:label>
    <link:label id="lab_azul_QuantityAbstract_documentation_en-US" xlink:label="lab_azul_QuantityAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Quantity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_QuantityAbstract" xlink:href="azul-20260828.xsd#azul_QuantityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_QuantityAbstract" xlink:to="lab_azul_QuantityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_NonOperatingIncomeExpense._019fc94a-33e3-7f0f-96ca-397794a95cf9_totalLabel_en-US" xlink:label="lab_azul_NonOperatingIncomeExpense." xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Financial result</link:label>
    <link:label id="lab_azul_NonOperatingIncomeExpense._label_en-US" xlink:label="lab_azul_NonOperatingIncomeExpense." xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-operating Income Expense.</link:label>
    <link:label id="lab_azul_NonOperatingIncomeExpense._documentation_en-US" xlink:label="lab_azul_NonOperatingIncomeExpense." xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-operating Income Expense.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_NonOperatingIncomeExpense." xlink:href="azul-20260828.xsd#azul_NonOperatingIncomeExpense."/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_NonOperatingIncomeExpense." xlink:to="lab_azul_NonOperatingIncomeExpense." xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TypeOfSecurityDepositsAndMaintenanceAxis_019fc94a-c9d9-707d-bfb1-09bdb2d514e3_terseLabel_en-US" xlink:label="lab_azul_TypeOfSecurityDepositsAndMaintenanceAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type of security deposits and maintenance [Axis]</link:label>
    <link:label id="lab_azul_TypeOfSecurityDepositsAndMaintenanceAxis_label_en-US" xlink:label="lab_azul_TypeOfSecurityDepositsAndMaintenanceAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type of security deposits and maintenance [Axis]</link:label>
    <link:label id="lab_azul_TypeOfSecurityDepositsAndMaintenanceAxis_documentation_en-US" xlink:label="lab_azul_TypeOfSecurityDepositsAndMaintenanceAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Type of security deposits and maintenance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TypeOfSecurityDepositsAndMaintenanceAxis" xlink:href="azul-20260828.xsd#azul_TypeOfSecurityDepositsAndMaintenanceAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TypeOfSecurityDepositsAndMaintenanceAxis" xlink:to="lab_azul_TypeOfSecurityDepositsAndMaintenanceAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_019fcdb1-8e32-7fc6-a295-42b5ca5d5ba0_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from financing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) financing activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ShareRepurchaseProgramExpirationTerm_019ff77d-96ae-773f-a7cd-c8a41567fb2e_terseLabel_en-US" xlink:label="lab_azul_ShareRepurchaseProgramExpirationTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective time to buyback shares</link:label>
    <link:label id="lab_azul_ShareRepurchaseProgramExpirationTerm_label_en-US" xlink:label="lab_azul_ShareRepurchaseProgramExpirationTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Repurchase Program, Expiration Term</link:label>
    <link:label id="lab_azul_ShareRepurchaseProgramExpirationTerm_documentation_en-US" xlink:label="lab_azul_ShareRepurchaseProgramExpirationTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Repurchase Program, Expiration Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ShareRepurchaseProgramExpirationTerm" xlink:href="azul-20260828.xsd#azul_ShareRepurchaseProgramExpirationTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ShareRepurchaseProgramExpirationTerm" xlink:to="lab_azul_ShareRepurchaseProgramExpirationTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesDomain_019fc94a-c9db-7b80-b41e-b34490f37da7_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesDomain_019fc94a-c9dc-7a11-b71a-9d361e62b2cf_verboseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Classes of liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfLiabilitiesDomain" xlink:to="lab_ifrs-full_ClassesOfLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdvanceForFutureCapitalIncreaseMember_019fc94a-33e4-7871-9311-7821cf37dcb5_terseLabel_en-US" xlink:label="lab_azul_AdvanceForFutureCapitalIncreaseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AFAC</link:label>
    <link:label id="lab_azul_AdvanceForFutureCapitalIncreaseMember_label_en-US" xlink:label="lab_azul_AdvanceForFutureCapitalIncreaseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advance for future capital increase [Member]</link:label>
    <link:label id="lab_azul_AdvanceForFutureCapitalIncreaseMember_documentation_en-US" xlink:label="lab_azul_AdvanceForFutureCapitalIncreaseMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advance for future capital increase</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdvanceForFutureCapitalIncreaseMember" xlink:href="azul-20260828.xsd#azul_AdvanceForFutureCapitalIncreaseMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdvanceForFutureCapitalIncreaseMember" xlink:to="lab_azul_AdvanceForFutureCapitalIncreaseMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncome_019fc94a-33e3-7353-aaa0-8014f1691280_totalLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total comprehensive income</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="lab_ifrs-full_ComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DepositsUseByTheLessor_019fc94a-c9d9-7442-8ab5-13a906a0e1d2_negatedTerseLabel_en-US" xlink:label="lab_azul_DepositsUseByTheLessor" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Use by the lessor</link:label>
    <link:label id="lab_azul_DepositsUseByTheLessor_label_en-US" xlink:label="lab_azul_DepositsUseByTheLessor" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits use by the lessor</link:label>
    <link:label id="lab_azul_DepositsUseByTheLessor_documentation_en-US" xlink:label="lab_azul_DepositsUseByTheLessor" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deposits use by the lessor</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DepositsUseByTheLessor" xlink:href="azul-20260828.xsd#azul_DepositsUseByTheLessor"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DepositsUseByTheLessor" xlink:to="lab_azul_DepositsUseByTheLessor" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_019fc94a-c9d9-7dbd-a78a-648bb1e8b350_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BASIS OF PREPARATION AND PRESENTATION OF THE CONSOLIDATED FINANCIAL STATEMENTS</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of basis of preparation of financial statements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ProvisionForTaxesCivilAndLaborRisksMember_019fc94a-c9db-771d-b8e9-a8898a39ed56_terseLabel_en-US" xlink:label="lab_azul_ProvisionForTaxesCivilAndLaborRisksMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax, civil and labor risks(b)</link:label>
    <link:label id="lab_azul_ProvisionForTaxesCivilAndLaborRisksMember_label_en-US" xlink:label="lab_azul_ProvisionForTaxesCivilAndLaborRisksMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for taxes, civil and labor risks [Member]</link:label>
    <link:label id="lab_azul_ProvisionForTaxesCivilAndLaborRisksMember_documentation_en-US" xlink:label="lab_azul_ProvisionForTaxesCivilAndLaborRisksMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision for taxes, civil and labor risks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ProvisionForTaxesCivilAndLaborRisksMember" xlink:href="azul-20260828.xsd#azul_ProvisionForTaxesCivilAndLaborRisksMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ProvisionForTaxesCivilAndLaborRisksMember" xlink:to="lab_azul_ProvisionForTaxesCivilAndLaborRisksMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_MaintenanceReserveDepositsMember_019fc94a-c9d9-7315-ab06-cc65f9d3edc4_terseLabel_en-US" xlink:label="lab_azul_MaintenanceReserveDepositsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maintenance reserves</link:label>
    <link:label id="lab_azul_MaintenanceReserveDepositsMember_label_en-US" xlink:label="lab_azul_MaintenanceReserveDepositsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maintenance reserve deposits [member]</link:label>
    <link:label id="lab_azul_MaintenanceReserveDepositsMember_documentation_en-US" xlink:label="lab_azul_MaintenanceReserveDepositsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for maintenance reserve deposits that are paid under certain aircraft leases to be held as collateral in advance of the performance of major maintenance activities and are reimbursable upon completion of the related maintenance event, under certain conditions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_MaintenanceReserveDepositsMember" xlink:href="azul-20260828.xsd#azul_MaintenanceReserveDepositsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_MaintenanceReserveDepositsMember" xlink:to="lab_azul_MaintenanceReserveDepositsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems_019fc94a-c9db-7c26-a3df-4361e35b5232_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of changes in fair value [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:to="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ReversalOfAccountsReceivableProvision_019fc94a-c9d9-70bb-8eb7-be8b9901b151_verboseLabel_en-US" xlink:label="lab_azul_ReversalOfAccountsReceivableProvision" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Reversals</link:label>
    <link:label id="lab_azul_ReversalOfAccountsReceivableProvision_label_en-US" xlink:label="lab_azul_ReversalOfAccountsReceivableProvision" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reversal of Accounts Receivable Provision</link:label>
    <link:label id="lab_azul_ReversalOfAccountsReceivableProvision_documentation_en-US" xlink:label="lab_azul_ReversalOfAccountsReceivableProvision" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents Reversal of Accounts Receivable Provision</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ReversalOfAccountsReceivableProvision" xlink:href="azul-20260828.xsd#azul_ReversalOfAccountsReceivableProvision"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ReversalOfAccountsReceivableProvision" xlink:to="lab_azul_ReversalOfAccountsReceivableProvision" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Assets_019fc94a-33e3-7d77-9592-7f7f246c5f74_totalLabel_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total assets</link:label>
    <link:label id="lab_ifrs-full_Assets_019fc94a-c9dc-7237-8b78-76d29639c103_terseLabel_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_ifrs-full_Assets_label_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Assets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Assets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Assets" xlink:to="lab_ifrs-full_Assets" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_PermanentDifferencesOnAdjustmentsToDetermineTheEffectiveRate_019fc94a-c9da-7ca6-993c-97e48dd7904e_terseLabel_en-US" xlink:label="lab_azul_PermanentDifferencesOnAdjustmentsToDetermineTheEffectiveRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Permanent differences</link:label>
    <link:label id="lab_azul_PermanentDifferencesOnAdjustmentsToDetermineTheEffectiveRate_label_en-US" xlink:label="lab_azul_PermanentDifferencesOnAdjustmentsToDetermineTheEffectiveRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Permanent differences on adjustments to determine the effective rate</link:label>
    <link:label id="lab_azul_PermanentDifferencesOnAdjustmentsToDetermineTheEffectiveRate_documentation_en-US" xlink:label="lab_azul_PermanentDifferencesOnAdjustmentsToDetermineTheEffectiveRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Permanent differences on adjustments to determine the effective rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_PermanentDifferencesOnAdjustmentsToDetermineTheEffectiveRate" xlink:href="azul-20260828.xsd#azul_PermanentDifferencesOnAdjustmentsToDetermineTheEffectiveRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_PermanentDifferencesOnAdjustmentsToDetermineTheEffectiveRate" xlink:to="lab_azul_PermanentDifferencesOnAdjustmentsToDetermineTheEffectiveRate" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DepositsProvisionMovement_019fc94a-c9d9-75da-932a-a6d16f1ae2cd_negatedTerseLabel_en-US" xlink:label="lab_azul_DepositsProvisionMovement" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Provision movement</link:label>
    <link:label id="lab_azul_DepositsProvisionMovement_label_en-US" xlink:label="lab_azul_DepositsProvisionMovement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits provision movement</link:label>
    <link:label id="lab_azul_DepositsProvisionMovement_documentation_en-US" xlink:label="lab_azul_DepositsProvisionMovement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents Provision for inclusion and reversal.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DepositsProvisionMovement" xlink:href="azul-20260828.xsd#azul_DepositsProvisionMovement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DepositsProvisionMovement" xlink:to="lab_azul_DepositsProvisionMovement" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLoss_019ffb75-11ad-718a-9b55-2d2438519d5e_totalLabel_en-US" xlink:label="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLoss_label_en-US" xlink:label="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade And Other Receivables Before Provision For Loss</link:label>
    <link:label id="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLoss_documentation_en-US" xlink:label="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trade And Other Receivables Before Provision For Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TradeAndOtherReceivablesBeforeProvisionForLoss" xlink:href="azul-20260828.xsd#azul_TradeAndOtherReceivablesBeforeProvisionForLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TradeAndOtherReceivablesBeforeProvisionForLoss" xlink:to="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesAxis_019fc94a-c9dc-7000-a055-95305ab0592b_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of interest rates [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of interest rates [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfInterestRatesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfInterestRatesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfInterestRatesAxis" xlink:to="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Revenue_019fc94a-33e3-704f-a7b1-bf0e8a55fd3d_totalLabel_en-US" xlink:label="lab_ifrs-full_Revenue" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total revenue</link:label>
    <link:label id="lab_ifrs-full_Revenue_label_en-US" xlink:label="lab_ifrs-full_Revenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Revenue" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Revenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Revenue" xlink:to="lab_ifrs-full_Revenue" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquitySharesIssued_019ff115-df09-7613-9d5f-286069e80b52_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquitySharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Substantial strengthening of shareholders&#8217; equity</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquitySharesIssued_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquitySharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Claims From Investors Converted To Equity, Shares Issued</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquitySharesIssued_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquitySharesIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Claims From Investors Converted To Equity, Shares Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquitySharesIssued" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquitySharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquitySharesIssued" xlink:to="lab_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquitySharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SummaryOfAccountsPayableTextBlock_019fc94a-c9db-7eaf-a058-3b6a86c2025a_verboseLabel_en-US" xlink:label="lab_azul_SummaryOfAccountsPayableTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Accounts Payable</link:label>
    <link:label id="lab_azul_SummaryOfAccountsPayableTextBlock_label_en-US" xlink:label="lab_azul_SummaryOfAccountsPayableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary of Accounts Payable [Text Block]</link:label>
    <link:label id="lab_azul_SummaryOfAccountsPayableTextBlock_documentation_en-US" xlink:label="lab_azul_SummaryOfAccountsPayableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Summary of Accounts Payable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SummaryOfAccountsPayableTextBlock" xlink:href="azul-20260828.xsd#azul_SummaryOfAccountsPayableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SummaryOfAccountsPayableTextBlock" xlink:to="lab_azul_SummaryOfAccountsPayableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DefferedTaxAssetReducerMember_019fc94a-c9da-764b-bde9-e0737a8ff7d8_terseLabel_en-US" xlink:label="lab_azul_DefferedTaxAssetReducerMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income tax and social contribution</link:label>
    <link:label id="lab_azul_DefferedTaxAssetReducerMember_label_en-US" xlink:label="lab_azul_DefferedTaxAssetReducerMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deffered tax asset reducer [Member]</link:label>
    <link:label id="lab_azul_DefferedTaxAssetReducerMember_documentation_en-US" xlink:label="lab_azul_DefferedTaxAssetReducerMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deffered tax asset reducer</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DefferedTaxAssetReducerMember" xlink:href="azul-20260828.xsd#azul_DefferedTaxAssetReducerMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DefferedTaxAssetReducerMember" xlink:to="lab_azul_DefferedTaxAssetReducerMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBorrowingsExplanatory_019fc94a-c9da-7634-9cf0-df8016c12e19_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LOANS AND FINANCING</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBorrowingsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of borrowings [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBorrowingsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BorrowingsGainLossAtAmortisedCost_019fc94a-c9da-7a97-b194-87b00667c76d_terseLabel_en-US" xlink:label="lab_azul_BorrowingsGainLossAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortized cost</link:label>
    <link:label id="lab_azul_BorrowingsGainLossAtAmortisedCost_label_en-US" xlink:label="lab_azul_BorrowingsGainLossAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, gain (loss) at amortised cost</link:label>
    <link:label id="lab_azul_BorrowingsGainLossAtAmortisedCost_documentation_en-US" xlink:label="lab_azul_BorrowingsGainLossAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, gain (loss) at amortised cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BorrowingsGainLossAtAmortisedCost" xlink:href="azul-20260828.xsd#azul_BorrowingsGainLossAtAmortisedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BorrowingsGainLossAtAmortisedCost" xlink:to="lab_azul_BorrowingsGainLossAtAmortisedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssuedCapitalMember_019fc94a-33e4-7732-b340-aaaa2b117a18_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued capital</link:label>
    <link:label id="lab_ifrs-full_IssuedCapitalMember_019fc94a-c9db-78bb-8bbb-535a84da0767_verboseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapitalMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Issued capital</link:label>
    <link:label id="lab_ifrs-full_IssuedCapitalMember_label_en-US" xlink:label="lab_ifrs-full_IssuedCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued capital [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapitalMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssuedCapitalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapitalMember" xlink:to="lab_ifrs-full_IssuedCapitalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherNoncurrentLiabilities_019fc94a-33e3-76a4-b603-05d1fb307ecb_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentLiabilities_019fc94a-c9db-7983-b502-c54f7f064fb3_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other non-current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNoncurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherNoncurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentLiabilities" xlink:to="lab_ifrs-full_OtherNoncurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfOtherProvisionsDomain_019fc94a-c9db-7da8-bc1c-97fd00be460e_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of other provisions [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfOtherProvisionsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of other provisions [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfOtherProvisionsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:to="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_019fc94a-c9db-7bcd-960a-7604f2deaff7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Expenses Incurred with Remuneration Paid or Payable</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of information about key management personnel [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingCostsRecognisedAsExpense_019fc94a-c9dc-746d-abe4-2409530da0f1_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingCostsRecognisedAsExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Amortized cost of loans and financing</link:label>
    <link:label id="lab_ifrs-full_BorrowingCostsRecognisedAsExpense_label_en-US" xlink:label="lab_ifrs-full_BorrowingCostsRecognisedAsExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing costs recognised as expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingCostsRecognisedAsExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingCostsRecognisedAsExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingCostsRecognisedAsExpense" xlink:to="lab_ifrs-full_BorrowingCostsRecognisedAsExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxRateEffectFromChangeInTaxRate_019fc94a-c9da-71dd-b284-390552ae5850_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective rate</link:label>
    <link:label id="lab_ifrs-full_TaxRateEffectFromChangeInTaxRate_label_en-US" xlink:label="lab_ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax rate effect from change in tax rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxRateEffectFromChangeInTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:to="lab_ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InterestPaidConvertibleDebtInstruments_019fcdb1-8e32-7ef4-878a-80c0b35c1e0c_negatedTerseLabel_en-US" xlink:label="lab_azul_InterestPaidConvertibleDebtInstruments" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Convertible debt instruments</link:label>
    <link:label id="lab_azul_InterestPaidConvertibleDebtInstruments_label_en-US" xlink:label="lab_azul_InterestPaidConvertibleDebtInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest paid, convertible debt instruments</link:label>
    <link:label id="lab_azul_InterestPaidConvertibleDebtInstruments_documentation_en-US" xlink:label="lab_azul_InterestPaidConvertibleDebtInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest paid, convertible debt instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InterestPaidConvertibleDebtInstruments" xlink:href="azul-20260828.xsd#azul_InterestPaidConvertibleDebtInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InterestPaidConvertibleDebtInstruments" xlink:to="lab_azul_InterestPaidConvertibleDebtInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_019ff1ba-6379-78bc-84d7-085cf36680e3_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany" xlink:to="lab_dei_EntityEmergingGrowthCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InterestExpenseOnFactoringCreditCardAndTravelAgenciesReceivables_019fc94a-c9dc-7725-aee2-309d3e5f9667_negatedLabel_en-US" xlink:label="lab_azul_InterestExpenseOnFactoringCreditCardAndTravelAgenciesReceivables" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest on factoring credit card receivables</link:label>
    <link:label id="lab_azul_InterestExpenseOnFactoringCreditCardAndTravelAgenciesReceivables_label_en-US" xlink:label="lab_azul_InterestExpenseOnFactoringCreditCardAndTravelAgenciesReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense on factoring credit card and travel agencies receivables</link:label>
    <link:label id="lab_azul_InterestExpenseOnFactoringCreditCardAndTravelAgenciesReceivables_documentation_en-US" xlink:label="lab_azul_InterestExpenseOnFactoringCreditCardAndTravelAgenciesReceivables" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of interest expense on factoring credit card and travel agencies receivables.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InterestExpenseOnFactoringCreditCardAndTravelAgenciesReceivables" xlink:href="azul-20260828.xsd#azul_InterestExpenseOnFactoringCreditCardAndTravelAgenciesReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InterestExpenseOnFactoringCreditCardAndTravelAgenciesReceivables" xlink:to="lab_azul_InterestExpenseOnFactoringCreditCardAndTravelAgenciesReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_February2031Member_019fc94a-c9da-7f07-8c7d-cdc77e3f7969_terseLabel_en-US" xlink:label="lab_azul_February2031Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Feb-31</link:label>
    <link:label id="lab_azul_February2031Member_label_en-US" xlink:label="lab_azul_February2031Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">February 2031 [Member]</link:label>
    <link:label id="lab_azul_February2031Member_documentation_en-US" xlink:label="lab_azul_February2031Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">February 2031</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_February2031Member" xlink:href="azul-20260828.xsd#azul_February2031Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_February2031Member" xlink:to="lab_azul_February2031Member" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LoansAndFinancingAmount_019fc94a-c9da-7e92-bf58-bfbd02294080_terseLabel_en-US" xlink:label="lab_azul_LoansAndFinancingAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_azul_LoansAndFinancingAmount_label_en-US" xlink:label="lab_azul_LoansAndFinancingAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and Financing Amount</link:label>
    <link:label id="lab_azul_LoansAndFinancingAmount_documentation_en-US" xlink:label="lab_azul_LoansAndFinancingAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans and Financing Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LoansAndFinancingAmount" xlink:href="azul-20260828.xsd#azul_LoansAndFinancingAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LoansAndFinancingAmount" xlink:to="lab_azul_LoansAndFinancingAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_019fc940-c6b5-7c7c-b463-42658adfa181_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OPERATIONS</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of general information about financial statements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment_019fc94a-c9da-71f0-8e7e-e94606c24469_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through transfers, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ConversionIntoSharesSubscriptionWarrantsSeniorNotesMember_01a000db-1d1c-7848-9e22-34c27d009238_terseLabel_en-US" xlink:label="lab_azul_ConversionIntoSharesSubscriptionWarrantsSeniorNotesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion into shares &#8211; Senior notes</link:label>
    <link:label id="lab_azul_ConversionIntoSharesSubscriptionWarrantsSeniorNotesMember_label_en-US" xlink:label="lab_azul_ConversionIntoSharesSubscriptionWarrantsSeniorNotesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Conversion into shares, Subscription Warrants &#8211; Senior notes [Member]</link:label>
    <link:label id="lab_azul_ConversionIntoSharesSubscriptionWarrantsSeniorNotesMember_documentation_en-US" xlink:label="lab_azul_ConversionIntoSharesSubscriptionWarrantsSeniorNotesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Conversion into shares, Subscription Warrants &#8211; Senior notes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ConversionIntoSharesSubscriptionWarrantsSeniorNotesMember" xlink:href="azul-20260828.xsd#azul_ConversionIntoSharesSubscriptionWarrantsSeniorNotesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ConversionIntoSharesSubscriptionWarrantsSeniorNotesMember" xlink:to="lab_azul_ConversionIntoSharesSubscriptionWarrantsSeniorNotesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ForeignCurrencyExchangeMember_019fc94a-c9da-764d-96c9-4c5646ff42c2_terseLabel_en-US" xlink:label="lab_azul_ForeignCurrencyExchangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency exchange</link:label>
    <link:label id="lab_azul_ForeignCurrencyExchangeMember_label_en-US" xlink:label="lab_azul_ForeignCurrencyExchangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign currency exchange [Member]</link:label>
    <link:label id="lab_azul_ForeignCurrencyExchangeMember_documentation_en-US" xlink:label="lab_azul_ForeignCurrencyExchangeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign currency exchange</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ForeignCurrencyExchangeMember" xlink:href="azul-20260828.xsd#azul_ForeignCurrencyExchangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ForeignCurrencyExchangeMember" xlink:to="lab_azul_ForeignCurrencyExchangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ConvertibleDebtInstrumentsConversionRightMember_019fc94a-c9dc-713e-a5fd-5e7a33c43814_terseLabel_en-US" xlink:label="lab_azul_ConvertibleDebtInstrumentsConversionRightMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible debt instruments &#8211; conversion right</link:label>
    <link:label id="lab_azul_ConvertibleDebtInstrumentsConversionRightMember_label_en-US" xlink:label="lab_azul_ConvertibleDebtInstrumentsConversionRightMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible debt instruments - conversion right [Member]</link:label>
    <link:label id="lab_azul_ConvertibleDebtInstrumentsConversionRightMember_documentation_en-US" xlink:label="lab_azul_ConvertibleDebtInstrumentsConversionRightMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Convertible debt instruments - conversion right</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ConvertibleDebtInstrumentsConversionRightMember" xlink:href="azul-20260828.xsd#azul_ConvertibleDebtInstrumentsConversionRightMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ConvertibleDebtInstrumentsConversionRightMember" xlink:to="lab_azul_ConvertibleDebtInstrumentsConversionRightMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LaborProvisionsMember_019fc94a-c9db-7440-8d78-04eb7465f9de_terseLabel_en-US" xlink:label="lab_azul_LaborProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Labor</link:label>
    <link:label id="lab_azul_LaborProvisionsMember_label_en-US" xlink:label="lab_azul_LaborProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Labor provisions [member]</link:label>
    <link:label id="lab_azul_LaborProvisionsMember_documentation_en-US" xlink:label="lab_azul_LaborProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Labor provisions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LaborProvisionsMember" xlink:href="azul-20260828.xsd#azul_LaborProvisionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LaborProvisionsMember" xlink:to="lab_azul_LaborProvisionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_019fc94a-c9da-7988-8d3e-57b7c9a02822_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Taxes calculated at nominal rates</link:label>
    <link:label id="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_label_en-US" xlink:label="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax expense (income) at applicable tax rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxExpenseIncomeAtApplicableTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:to="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ConstructionInProgressMember_019fc94a-c9da-7acb-8e38-cde9f8b26b4d_terseLabel_en-US" xlink:label="lab_ifrs-full_ConstructionInProgressMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Construction in progress</link:label>
    <link:label id="lab_ifrs-full_ConstructionInProgressMember_label_en-US" xlink:label="lab_ifrs-full_ConstructionInProgressMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction in progress [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ConstructionInProgressMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ConstructionInProgressMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ConstructionInProgressMember" xlink:to="lab_ifrs-full_ConstructionInProgressMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsAbstract_019fc94a-33e3-73ae-9071-fc3cae2f3b22_verboseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_ifrs-full_AssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAbstract" xlink:to="lab_ifrs-full_AssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RightofuseAssetsMember_019fc94a-c9da-75ed-9391-4cb55ecd5a45_verboseLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssetsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Right-of-use assets</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssetsMember_019fc94a-c9dc-7b9d-bf84-1bd131bb9bd4_terseLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Right-of-use assets</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssetsMember_label_en-US" xlink:label="lab_ifrs-full_RightofuseAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Right-of-use assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RightofuseAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RightofuseAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RightofuseAssetsMember" xlink:to="lab_ifrs-full_RightofuseAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_019fc94a-c9dc-7a1c-af35-6e208a323259_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value (in brazilian real per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average share price, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:to="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BorrowingConversionIntoShares_019feda2-333f-7a2c-8db8-98b04a076c8d_terseLabel_en-US" xlink:label="lab_azul_BorrowingConversionIntoShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion into shares</link:label>
    <link:label id="lab_azul_BorrowingConversionIntoShares_label_en-US" xlink:label="lab_azul_BorrowingConversionIntoShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing, Conversion Into Shares</link:label>
    <link:label id="lab_azul_BorrowingConversionIntoShares_documentation_en-US" xlink:label="lab_azul_BorrowingConversionIntoShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowing, Conversion Into Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BorrowingConversionIntoShares" xlink:href="azul-20260828.xsd#azul_BorrowingConversionIntoShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BorrowingConversionIntoShares" xlink:to="lab_azul_BorrowingConversionIntoShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAssetsAbstract_019fc94a-33e3-7477-ba34-41a13b7ec48e_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssetsAbstract" xlink:to="lab_ifrs-full_CurrentAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TaxLossCarryforwardsAndNegativeSocialContributionBaseMember_019fc94a-c9da-70f4-b432-ac6cad1d969b_terseLabel_en-US" xlink:label="lab_azul_TaxLossCarryforwardsAndNegativeSocialContributionBaseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary provisions</link:label>
    <link:label id="lab_azul_TaxLossCarryforwardsAndNegativeSocialContributionBaseMember_label_en-US" xlink:label="lab_azul_TaxLossCarryforwardsAndNegativeSocialContributionBaseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax loss carryforwards and negative social contribution base [Member]</link:label>
    <link:label id="lab_azul_TaxLossCarryforwardsAndNegativeSocialContributionBaseMember_documentation_en-US" xlink:label="lab_azul_TaxLossCarryforwardsAndNegativeSocialContributionBaseMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax loss carryforwards and negative social contribution base</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TaxLossCarryforwardsAndNegativeSocialContributionBaseMember" xlink:href="azul-20260828.xsd#azul_TaxLossCarryforwardsAndNegativeSocialContributionBaseMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TaxLossCarryforwardsAndNegativeSocialContributionBaseMember" xlink:to="lab_azul_TaxLossCarryforwardsAndNegativeSocialContributionBaseMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherAssetsMaintenance_019fc94a-c9da-7987-b6c1-f6b1fef616d8_terseLabel_en-US" xlink:label="lab_azul_OtherAssetsMaintenance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maintenance</link:label>
    <link:label id="lab_azul_OtherAssetsMaintenance_label_en-US" xlink:label="lab_azul_OtherAssetsMaintenance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other assets, maintenance</link:label>
    <link:label id="lab_azul_OtherAssetsMaintenance_documentation_en-US" xlink:label="lab_azul_OtherAssetsMaintenance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other assets, maintenance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherAssetsMaintenance" xlink:href="azul-20260828.xsd#azul_OtherAssetsMaintenance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherAssetsMaintenance" xlink:to="lab_azul_OtherAssetsMaintenance" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueAbstract_019fc94a-33e3-7071-8b82-f9160533e14f_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating revenue</link:label>
    <link:label id="lab_ifrs-full_RevenueAbstract_label_en-US" xlink:label="lab_ifrs-full_RevenueAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueAbstract" xlink:to="lab_ifrs-full_RevenueAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssetsAbstract_019fc94a-33e3-7c84-a92b-193f43f34b09_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:to="lab_ifrs-full_NoncurrentAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems_019fc94a-c9dc-7ace-9078-16122d3c29f5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory_019fc94a-c9da-7644-b928-e18b2d1a6781_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">INCOME TAX AND CONTRIBUTION</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of income tax [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIncomeTaxExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ReadystateAssetManagementMember_019fd8c2-cd4d-7faf-a20c-6e0ec5de5eaa_terseLabel_en-US" xlink:label="lab_azul_ReadystateAssetManagementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Readystate Asset Management</link:label>
    <link:label id="lab_azul_ReadystateAssetManagementMember_label_en-US" xlink:label="lab_azul_ReadystateAssetManagementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Readystate Asset Management [Member]</link:label>
    <link:label id="lab_azul_ReadystateAssetManagementMember_documentation_en-US" xlink:label="lab_azul_ReadystateAssetManagementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Readystate Asset Management</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ReadystateAssetManagementMember" xlink:href="azul-20260828.xsd#azul_ReadystateAssetManagementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ReadystateAssetManagementMember" xlink:to="lab_azul_ReadystateAssetManagementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsForShareIssueCosts_019fcdb1-8e32-7f98-852b-abecde0328bb_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsForShareIssueCosts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Cost of issuing shares</link:label>
    <link:label id="lab_ifrs-full_PaymentsForShareIssueCosts_label_en-US" xlink:label="lab_ifrs-full_PaymentsForShareIssueCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for share issue costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsForShareIssueCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsForShareIssueCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsForShareIssueCosts" xlink:to="lab_ifrs-full_PaymentsForShareIssueCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseInAssetsLiabilitiesThroughNoncashTransactions_019fc94a-c9dc-70e3-9ccf-6df1db7e4c86_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseInAssetsLiabilitiesThroughNoncashTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_azul_IncreaseDecreaseInAssetsLiabilitiesThroughNoncashTransactions_label_en-US" xlink:label="lab_azul_IncreaseDecreaseInAssetsLiabilitiesThroughNoncashTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Assets (Liabilities) Through Noncash Transactions</link:label>
    <link:label id="lab_azul_IncreaseDecreaseInAssetsLiabilitiesThroughNoncashTransactions_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseInAssetsLiabilitiesThroughNoncashTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Assets (Liabilities) Through Noncash Transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseInAssetsLiabilitiesThroughNoncashTransactions" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseInAssetsLiabilitiesThroughNoncashTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseInAssetsLiabilitiesThroughNoncashTransactions" xlink:to="lab_azul_IncreaseDecreaseInAssetsLiabilitiesThroughNoncashTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InterestCostWrittenOff_019ff1a9-f437-785c-95c6-5696f8e978d8_terseLabel_en-US" xlink:label="lab_azul_InterestCostWrittenOff" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest</link:label>
    <link:label id="lab_azul_InterestCostWrittenOff_label_en-US" xlink:label="lab_azul_InterestCostWrittenOff" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Cost Written Off</link:label>
    <link:label id="lab_azul_InterestCostWrittenOff_documentation_en-US" xlink:label="lab_azul_InterestCostWrittenOff" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest Cost Written Off</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InterestCostWrittenOff" xlink:href="azul-20260828.xsd#azul_InterestCostWrittenOff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InterestCostWrittenOff" xlink:to="lab_azul_InterestCostWrittenOff" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ConversionIntoSharesConvertibleDebtInstrumentsMember_019ffba5-a9a9-7ada-90bf-e3f86253d035_terseLabel_en-US" xlink:label="lab_azul_ConversionIntoSharesConvertibleDebtInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion into shares &#8211; Convertible debt instruments</link:label>
    <link:label id="lab_azul_ConversionIntoSharesConvertibleDebtInstrumentsMember_label_en-US" xlink:label="lab_azul_ConversionIntoSharesConvertibleDebtInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Conversion into shares &#8211; Convertible debt instruments [Member]</link:label>
    <link:label id="lab_azul_ConversionIntoSharesConvertibleDebtInstrumentsMember_documentation_en-US" xlink:label="lab_azul_ConversionIntoSharesConvertibleDebtInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Conversion into shares &#8211; Convertible debt instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ConversionIntoSharesConvertibleDebtInstrumentsMember" xlink:href="azul-20260828.xsd#azul_ConversionIntoSharesConvertibleDebtInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ConversionIntoSharesConvertibleDebtInstrumentsMember" xlink:to="lab_azul_ConversionIntoSharesConvertibleDebtInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_PlatformOperatorCryptoAssetLineItems_019fc94a-c9db-72f9-925f-33b518e844fa_terseLabel_en-US" xlink:label="lab_srt_PlatformOperatorCryptoAssetLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Platform Operator, Crypto Asset [Line Items]</link:label>
    <link:label id="lab_srt_PlatformOperatorCryptoAssetLineItems_label_en-US" xlink:label="lab_srt_PlatformOperatorCryptoAssetLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Platform Operator, Crypto Asset [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_PlatformOperatorCryptoAssetLineItems" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_PlatformOperatorCryptoAssetLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_PlatformOperatorCryptoAssetLineItems" xlink:to="lab_srt_PlatformOperatorCryptoAssetLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_EmployeeShareBasedPayment_019fc94a-c9db-7f5c-9595-4390b8f74068_terseLabel_en-US" xlink:label="lab_azul_EmployeeShareBasedPayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Extraordinary bonus</link:label>
    <link:label id="lab_azul_EmployeeShareBasedPayment_label_en-US" xlink:label="lab_azul_EmployeeShareBasedPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee share-based payment</link:label>
    <link:label id="lab_azul_EmployeeShareBasedPayment_documentation_en-US" xlink:label="lab_azul_EmployeeShareBasedPayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Employee share-based payment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_EmployeeShareBasedPayment" xlink:href="azul-20260828.xsd#azul_EmployeeShareBasedPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_EmployeeShareBasedPayment" xlink:to="lab_azul_EmployeeShareBasedPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CapitalCommitmentsAbstract_label_en-US" xlink:label="lab_ifrs-full_CapitalCommitmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital commitments [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CapitalCommitmentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CapitalCommitmentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CapitalCommitmentsAbstract" xlink:to="lab_ifrs-full_CapitalCommitmentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComputerSoftwareMember_019fc94a-c9da-73b1-9c87-fe0190ae6b62_terseLabel_en-US" xlink:label="lab_ifrs-full_ComputerSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Software</link:label>
    <link:label id="lab_ifrs-full_ComputerSoftwareMember_label_en-US" xlink:label="lab_ifrs-full_ComputerSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Computer software [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComputerSoftwareMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComputerSoftwareMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComputerSoftwareMember" xlink:to="lab_ifrs-full_ComputerSoftwareMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AircraftPartsAndEquipmentMember_019fc94a-c9da-755b-9575-d26b941cd0f3_terseLabel_en-US" xlink:label="lab_azul_AircraftPartsAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aircraft parts and equipment</link:label>
    <link:label id="lab_azul_AircraftPartsAndEquipmentMember_label_en-US" xlink:label="lab_azul_AircraftPartsAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aircraft parts and equipment [Member]</link:label>
    <link:label id="lab_azul_AircraftPartsAndEquipmentMember_documentation_en-US" xlink:label="lab_azul_AircraftPartsAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aircraft parts and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AircraftPartsAndEquipmentMember" xlink:href="azul-20260828.xsd#azul_AircraftPartsAndEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AircraftPartsAndEquipmentMember" xlink:to="lab_azul_AircraftPartsAndEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAssetsLiabilities_019fc94a-c9d9-7217-8829-1a9a3fac9c50_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net working capital</link:label>
    <link:label id="lab_ifrs-full_CurrentAssetsLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current assets (liabilities)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssetsLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssetsLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssetsLiabilities" xlink:to="lab_ifrs-full_CurrentAssetsLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_UnpaidCapital_019fc94a-33e3-7771-b704-9d6cfd4a2cbf_terseLabel_en-US" xlink:label="lab_azul_UnpaidCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unpaid capital</link:label>
    <link:label id="lab_azul_UnpaidCapital_label_en-US" xlink:label="lab_azul_UnpaidCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unpaid capital</link:label>
    <link:label id="lab_azul_UnpaidCapital_documentation_en-US" xlink:label="lab_azul_UnpaidCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unpaid capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_UnpaidCapital" xlink:href="azul-20260828.xsd#azul_UnpaidCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_UnpaidCapital" xlink:to="lab_azul_UnpaidCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Cash_019fc94a-c9d9-730f-b7e4-bbcfd251c19e_terseLabel_en-US" xlink:label="lab_ifrs-full_Cash" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash</link:label>
    <link:label id="lab_ifrs-full_Cash_label_en-US" xlink:label="lab_ifrs-full_Cash" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Cash" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Cash"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Cash" xlink:to="lab_ifrs-full_Cash" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_019fc94a-c9d9-7bff-95e4-a21182c43a1d_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from investing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) investing activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CommodityPriceRiskMember_019fc94a-c9dc-7e36-9f4e-bffef32d0036_terseLabel_en-US" xlink:label="lab_ifrs-full_CommodityPriceRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commodity price risk</link:label>
    <link:label id="lab_ifrs-full_CommodityPriceRiskMember_label_en-US" xlink:label="lab_ifrs-full_CommodityPriceRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commodity price risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CommodityPriceRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CommodityPriceRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CommodityPriceRiskMember" xlink:to="lab_ifrs-full_CommodityPriceRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AssetWriteOffs_019fcdb1-8e31-76e0-8bd1-f696318f9cdd_terseLabel_en-US" xlink:label="lab_azul_AssetWriteOffs" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recovery of expenses and write&#8209;offs of assets and liabilities</link:label>
    <link:label id="lab_azul_AssetWriteOffs_label_en-US" xlink:label="lab_azul_AssetWriteOffs" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Asset write-offs</link:label>
    <link:label id="lab_azul_AssetWriteOffs_documentation_en-US" xlink:label="lab_azul_AssetWriteOffs" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Asset write-offs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AssetWriteOffs" xlink:href="azul-20260828.xsd#azul_AssetWriteOffs"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AssetWriteOffs" xlink:to="lab_azul_AssetWriteOffs" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfTaxesPayablesTextBlock_019fc94a-c9db-74f7-8e8e-7ac390eec8bf_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfTaxesPayablesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TAXES PAYABLE</link:label>
    <link:label id="lab_azul_DisclosureOfTaxesPayablesTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfTaxesPayablesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of taxes payables [Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfTaxesPayablesTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfTaxesPayablesTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of taxes payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfTaxesPayablesTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfTaxesPayablesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfTaxesPayablesTextBlock" xlink:to="lab_azul_DisclosureOfTaxesPayablesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdvancesForeignCurrencyMember_019fc94a-c9d9-7559-b2e6-dfbea4ef6485_terseLabel_en-US" xlink:label="lab_azul_AdvancesForeignCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency</link:label>
    <link:label id="lab_azul_AdvancesForeignCurrencyMember_label_en-US" xlink:label="lab_azul_AdvancesForeignCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances foreign currency [Member]</link:label>
    <link:label id="lab_azul_AdvancesForeignCurrencyMember_documentation_en-US" xlink:label="lab_azul_AdvancesForeignCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advances foreign currency</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdvancesForeignCurrencyMember" xlink:href="azul-20260828.xsd#azul_AdvancesForeignCurrencyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdvancesForeignCurrencyMember" xlink:to="lab_azul_AdvancesForeignCurrencyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_019fc94a-33e3-72e4-992f-064dbd8c5b0a_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments, net</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_019fc94a-c9db-7663-a44f-f38c82f8e649_verboseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Gains (losses) recognized in result, net</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) on change in fair value of derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:to="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_PresentValueOfLeaseOperations_019fc94a-c9dc-791b-99a4-5b3d898ef689_terseLabel_en-US" xlink:label="lab_azul_PresentValueOfLeaseOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Present value of lease operations</link:label>
    <link:label id="lab_azul_PresentValueOfLeaseOperations_label_en-US" xlink:label="lab_azul_PresentValueOfLeaseOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Present value of lease operations</link:label>
    <link:label id="lab_azul_PresentValueOfLeaseOperations_documentation_en-US" xlink:label="lab_azul_PresentValueOfLeaseOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Present value of lease operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_PresentValueOfLeaseOperations" xlink:href="azul-20260828.xsd#azul_PresentValueOfLeaseOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_PresentValueOfLeaseOperations" xlink:to="lab_azul_PresentValueOfLeaseOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughForeignExchangeAndOtherMovementsDepositAssets_019fc94a-c9d9-7cbb-ab36-7fca786cfda9_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughForeignExchangeAndOtherMovementsDepositAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency exchange</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughForeignExchangeAndOtherMovementsDepositAssets_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughForeignExchangeAndOtherMovementsDepositAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase decrease through foreign exchange and other movements deposit assets</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughForeignExchangeAndOtherMovementsDepositAssets_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughForeignExchangeAndOtherMovementsDepositAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase decrease through foreign exchange and other movements deposit assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughForeignExchangeAndOtherMovementsDepositAssets" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughForeignExchangeAndOtherMovementsDepositAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughForeignExchangeAndOtherMovementsDepositAssets" xlink:to="lab_azul_IncreaseDecreaseThroughForeignExchangeAndOtherMovementsDepositAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_019fc94a-33e4-7398-9953-1baed2c74b9c_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based incentive</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through share-based payment transactions, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SpareParts_019fc94a-c9d9-774d-8926-1c4e652adc45_terseLabel_en-US" xlink:label="lab_ifrs-full_SpareParts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maintenance materials and parts</link:label>
    <link:label id="lab_ifrs-full_SpareParts_label_en-US" xlink:label="lab_ifrs-full_SpareParts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current spare parts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SpareParts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SpareParts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SpareParts" xlink:to="lab_ifrs-full_SpareParts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilitiesAbstract" xlink:to="lab_ifrs-full_LeaseLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TaxesOnOperatingRevenue_019fc94a-c9dc-744e-9800-73cbda499003_negatedTerseLabel_en-US" xlink:label="lab_azul_TaxesOnOperatingRevenue" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Taxes levied</link:label>
    <link:label id="lab_azul_TaxesOnOperatingRevenue_label_en-US" xlink:label="lab_azul_TaxesOnOperatingRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Taxes on operating revenue</link:label>
    <link:label id="lab_azul_TaxesOnOperatingRevenue_documentation_en-US" xlink:label="lab_azul_TaxesOnOperatingRevenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of taxes on income arising in the course of an entity's ordinary activities, before taxes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TaxesOnOperatingRevenue" xlink:href="azul-20260828.xsd#azul_TaxesOnOperatingRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TaxesOnOperatingRevenue" xlink:to="lab_azul_TaxesOnOperatingRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AirTrafficLiabilityCurrentTotal_019fc94a-33e3-71f4-98fd-cd8b4cec8afb_terseLabel_en-US" xlink:label="lab_azul_AirTrafficLiabilityCurrentTotal" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Air traffic liability, services and loyalty program</link:label>
    <link:label id="lab_azul_AirTrafficLiabilityCurrentTotal_label_en-US" xlink:label="lab_azul_AirTrafficLiabilityCurrentTotal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Air traffic liability current total</link:label>
    <link:label id="lab_azul_AirTrafficLiabilityCurrentTotal_documentation_en-US" xlink:label="lab_azul_AirTrafficLiabilityCurrentTotal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Air traffic liability current total.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AirTrafficLiabilityCurrentTotal" xlink:href="azul-20260828.xsd#azul_AirTrafficLiabilityCurrentTotal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AirTrafficLiabilityCurrentTotal" xlink:to="lab_azul_AirTrafficLiabilityCurrentTotal" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfTaxesPayablesTable_019fc94a-c9db-79f6-92b0-93c22a7bee1b_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfTaxesPayablesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of taxes payables [Table]</link:label>
    <link:label id="lab_azul_DisclosureOfTaxesPayablesTable_label_en-US" xlink:label="lab_azul_DisclosureOfTaxesPayablesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of taxes payables [Table]</link:label>
    <link:label id="lab_azul_DisclosureOfTaxesPayablesTable_documentation_en-US" xlink:label="lab_azul_DisclosureOfTaxesPayablesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of taxes payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfTaxesPayablesTable" xlink:href="azul-20260828.xsd#azul_DisclosureOfTaxesPayablesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfTaxesPayablesTable" xlink:to="lab_azul_DisclosureOfTaxesPayablesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssets_019fc94a-33e3-73b5-a6e4-22ad1f09ff44_totalLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total non-current assets</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssets_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssets" xlink:to="lab_ifrs-full_NoncurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DevaluationBy10Member_019fc94a-c9dc-76aa-833e-98a4b83c9356_terseLabel_en-US" xlink:label="lab_azul_DevaluationBy10Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate devaluation by -10%</link:label>
    <link:label id="lab_azul_DevaluationBy10Member_label_en-US" xlink:label="lab_azul_DevaluationBy10Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Devaluation by 10% [Member]</link:label>
    <link:label id="lab_azul_DevaluationBy10Member_documentation_en-US" xlink:label="lab_azul_DevaluationBy10Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Devaluation by 10%</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DevaluationBy10Member" xlink:href="azul-20260828.xsd#azul_DevaluationBy10Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DevaluationBy10Member" xlink:to="lab_azul_DevaluationBy10Member" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_NegativeSocialContributionBase_019fc94a-c9da-7e97-b6db-31354e935f22_terseLabel_en-US" xlink:label="lab_azul_NegativeSocialContributionBase" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Negative social contribution base</link:label>
    <link:label id="lab_azul_NegativeSocialContributionBase_label_en-US" xlink:label="lab_azul_NegativeSocialContributionBase" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Negative social contribution base</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_NegativeSocialContributionBase" xlink:href="azul-20260828.xsd#azul_NegativeSocialContributionBase"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_NegativeSocialContributionBase" xlink:to="lab_azul_NegativeSocialContributionBase" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdditionsNetInBreakdownOfSecurity_019fc94a-c9d9-7e64-b73a-abf4675d73e5_terseLabel_en-US" xlink:label="lab_azul_AdditionsNetInBreakdownOfSecurity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_azul_AdditionsNetInBreakdownOfSecurity_label_en-US" xlink:label="lab_azul_AdditionsNetInBreakdownOfSecurity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions (net) in breakdown of security</link:label>
    <link:label id="lab_azul_AdditionsNetInBreakdownOfSecurity_documentation_en-US" xlink:label="lab_azul_AdditionsNetInBreakdownOfSecurity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additions (net) in breakdown of security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdditionsNetInBreakdownOfSecurity" xlink:href="azul-20260828.xsd#azul_AdditionsNetInBreakdownOfSecurity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdditionsNetInBreakdownOfSecurity" xlink:to="lab_azul_AdditionsNetInBreakdownOfSecurity" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IssuanceOfSharesConversionOfDebtSeniorNotesCashMember_01a000db-fa91-783b-92fc-01dc01deb70e_terseLabel_en-US" xlink:label="lab_azul_IssuanceOfSharesConversionOfDebtSeniorNotesCashMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance of shares &#8211; Senior notes &#8211; cash</link:label>
    <link:label id="lab_azul_IssuanceOfSharesConversionOfDebtSeniorNotesCashMember_label_en-US" xlink:label="lab_azul_IssuanceOfSharesConversionOfDebtSeniorNotesCashMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issuance of shares, Conversion Of Debt &#8211; Senior notes &#8211; Cash [Member]</link:label>
    <link:label id="lab_azul_IssuanceOfSharesConversionOfDebtSeniorNotesCashMember_documentation_en-US" xlink:label="lab_azul_IssuanceOfSharesConversionOfDebtSeniorNotesCashMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Issuance of shares, Conversion Of Debt &#8211; Senior notes &#8211; Cash</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IssuanceOfSharesConversionOfDebtSeniorNotesCashMember" xlink:href="azul-20260828.xsd#azul_IssuanceOfSharesConversionOfDebtSeniorNotesCashMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IssuanceOfSharesConversionOfDebtSeniorNotesCashMember" xlink:to="lab_azul_IssuanceOfSharesConversionOfDebtSeniorNotesCashMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DerivativeFinancialAssetsLiabilities_019fc94a-c9db-7e16-806b-988d607e28a6_periodStartLabel_en-US" xlink:label="lab_azul_DerivativeFinancialAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Rights (obligations) with derivatives, beginning balance</link:label>
    <link:label id="lab_azul_DerivativeFinancialAssetsLiabilities_019fc94a-c9db-7311-a8ec-ddecd46bb477_periodEndLabel_en-US" xlink:label="lab_azul_DerivativeFinancialAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Rights (obligations) with derivatives, ending balance</link:label>
    <link:label id="lab_azul_DerivativeFinancialAssetsLiabilities_label_en-US" xlink:label="lab_azul_DerivativeFinancialAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative financial assets (liabilities)</link:label>
    <link:label id="lab_azul_DerivativeFinancialAssetsLiabilities_documentation_en-US" xlink:label="lab_azul_DerivativeFinancialAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative financial assets liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DerivativeFinancialAssetsLiabilities" xlink:href="azul-20260828.xsd#azul_DerivativeFinancialAssetsLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DerivativeFinancialAssetsLiabilities" xlink:to="lab_azul_DerivativeFinancialAssetsLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherAssets1Abstract_label_en-US" xlink:label="lab_azul_OtherAssets1Abstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets1 [Abstract]</link:label>
    <link:label id="lab_azul_OtherAssets1Abstract_documentation_en-US" xlink:label="lab_azul_OtherAssets1Abstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Assets [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherAssets1Abstract" xlink:href="azul-20260828.xsd#azul_OtherAssets1Abstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherAssets1Abstract" xlink:to="lab_azul_OtherAssets1Abstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_019fc94a-c9d9-732c-9d57-be78a903d28b_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of property and equipment [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_019fc94a-33e3-7ce1-9e03-841c36cc75c9_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency exchange, net</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign exchange gain (loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ProvisionForLoss_019fc94a-c9d9-7857-84cf-3a32d3b80477_negatedTerseLabel_en-US" xlink:label="lab_azul_ProvisionForLoss" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Provision for loss</link:label>
    <link:label id="lab_azul_ProvisionForLoss_label_en-US" xlink:label="lab_azul_ProvisionForLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for loss</link:label>
    <link:label id="lab_azul_ProvisionForLoss_documentation_en-US" xlink:label="lab_azul_ProvisionForLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision for loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ProvisionForLoss" xlink:href="azul-20260828.xsd#azul_ProvisionForLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ProvisionForLoss" xlink:to="lab_azul_ProvisionForLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ScheduleOfOtherLiabilitiesTableTextBlock_019fc94a-c9db-7ad6-a06a-ccfe95722fbb_terseLabel_en-US" xlink:label="lab_azul_ScheduleOfOtherLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Liabilities</link:label>
    <link:label id="lab_azul_ScheduleOfOtherLiabilitiesTableTextBlock_label_en-US" xlink:label="lab_azul_ScheduleOfOtherLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of other liabilities [Table Text Block]</link:label>
    <link:label id="lab_azul_ScheduleOfOtherLiabilitiesTableTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleOfOtherLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of other liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleOfOtherLiabilitiesTableTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleOfOtherLiabilitiesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleOfOtherLiabilitiesTableTextBlock" xlink:to="lab_azul_ScheduleOfOtherLiabilitiesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain_019fc94a-c9d9-7abe-b278-88069102f0d9_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:to="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SeniorNotes2026Member_019fc94a-c9da-7c43-99c1-b5ab2ed5e598_terseLabel_en-US" xlink:label="lab_azul_SeniorNotes2026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior notes &#8211; 2026</link:label>
    <link:label id="lab_azul_SeniorNotes2026Member_label_en-US" xlink:label="lab_azul_SeniorNotes2026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior notes - 2026 [Member]</link:label>
    <link:label id="lab_azul_SeniorNotes2026Member_documentation_en-US" xlink:label="lab_azul_SeniorNotes2026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior notes - 2026</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SeniorNotes2026Member" xlink:href="azul-20260828.xsd#azul_SeniorNotes2026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SeniorNotes2026Member" xlink:to="lab_azul_SeniorNotes2026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfAttributionOfSalariesAndWagesExplanatoryTableTextBlock_019fc94a-c9db-7ffb-ae92-d0db9e2aa730_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfAttributionOfSalariesAndWagesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Breakdown Salaries and Benefits</link:label>
    <link:label id="lab_azul_DisclosureOfAttributionOfSalariesAndWagesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfAttributionOfSalariesAndWagesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Attribution Of Salaries And Wages Explanatory [Table Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfAttributionOfSalariesAndWagesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfAttributionOfSalariesAndWagesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Attribution Of Salaries And Wages Explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfAttributionOfSalariesAndWagesExplanatoryTableTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfAttributionOfSalariesAndWagesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfAttributionOfSalariesAndWagesExplanatoryTableTextBlock" xlink:to="lab_azul_DisclosureOfAttributionOfSalariesAndWagesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncomeTaxAndSocialContributionCredit_019fc94a-c9da-7f55-a0ba-c3a0cee42751_terseLabel_en-US" xlink:label="lab_azul_IncomeTaxAndSocialContributionCredit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax and social contribution credit</link:label>
    <link:label id="lab_azul_IncomeTaxAndSocialContributionCredit_label_en-US" xlink:label="lab_azul_IncomeTaxAndSocialContributionCredit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax and social contribution credit</link:label>
    <link:label id="lab_azul_IncomeTaxAndSocialContributionCredit_documentation_en-US" xlink:label="lab_azul_IncomeTaxAndSocialContributionCredit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents Income tax and social contribution credit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncomeTaxAndSocialContributionCredit" xlink:href="azul-20260828.xsd#azul_IncomeTaxAndSocialContributionCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncomeTaxAndSocialContributionCredit" xlink:to="lab_azul_IncomeTaxAndSocialContributionCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ClosingForeignExchangeRateOverThePeriod_019ff2b7-9e14-72d2-809a-046b483a2d7b_terseLabel_en-US" xlink:label="lab_azul_ClosingForeignExchangeRateOverThePeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Final rate</link:label>
    <link:label id="lab_azul_ClosingForeignExchangeRateOverThePeriod_label_en-US" xlink:label="lab_azul_ClosingForeignExchangeRateOverThePeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Closing foreign exchange rate, Over the Period</link:label>
    <link:label id="lab_azul_ClosingForeignExchangeRateOverThePeriod_documentation_en-US" xlink:label="lab_azul_ClosingForeignExchangeRateOverThePeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Closing foreign exchange rate, Over the Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ClosingForeignExchangeRateOverThePeriod" xlink:href="azul-20260828.xsd#azul_ClosingForeignExchangeRateOverThePeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ClosingForeignExchangeRateOverThePeriod" xlink:to="lab_azul_ClosingForeignExchangeRateOverThePeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_EUR_019fc94a-c9d9-7feb-97fc-72f4f7ff9d20_terseLabel_en-US" xlink:label="lab_currency_EUR" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Euro</link:label>
    <link:label id="lab_currency_EUR_019fc94a-c9dc-7345-ae37-010c78a7caa0_verboseLabel_en-US" xlink:label="lab_currency_EUR" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Exposure to &#8364;</link:label>
    <link:label id="lab_currency_EUR_label_en-US" xlink:label="lab_currency_EUR" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Euro Member Countries, Euro</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_EUR" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_EUR"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_EUR" xlink:to="lab_currency_EUR" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems_019fc94a-c9da-740c-b63b-610c4a7b023d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in intangible assets and goodwill [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in intangible assets and goodwill [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_019fcdb1-8e32-7f3c-8312-3b634b2c46cf_terseLabel_en-US" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange rate changes on cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effect of exchange rate changes on cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:to="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ShareholdersAxis_019fc94a-c9db-73bf-9e06-fa77717daddc_terseLabel_en-US" xlink:label="lab_azul_ShareholdersAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shareholders [Axis]</link:label>
    <link:label id="lab_azul_ShareholdersAxis_label_en-US" xlink:label="lab_azul_ShareholdersAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shareholders [Axis]</link:label>
    <link:label id="lab_azul_ShareholdersAxis_documentation_en-US" xlink:label="lab_azul_ShareholdersAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shareholders</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ShareholdersAxis" xlink:href="azul-20260828.xsd#azul_ShareholdersAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ShareholdersAxis" xlink:to="lab_azul_ShareholdersAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_019fc94a-c9d9-7a94-88a9-015d1229df30_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency transactions</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for foreign currency translation [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SeniorNotes2LDue2029Member_019fc94a-c9da-717c-bd89-6db244b7d304_terseLabel_en-US" xlink:label="lab_azul_SeniorNotes2LDue2029Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior notes 2L &#8211; 2029</link:label>
    <link:label id="lab_azul_SeniorNotes2LDue2029Member_label_en-US" xlink:label="lab_azul_SeniorNotes2LDue2029Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior notes 2L due 2029 [Member]</link:label>
    <link:label id="lab_azul_SeniorNotes2LDue2029Member_documentation_en-US" xlink:label="lab_azul_SeniorNotes2LDue2029Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior notes 2L due 2029</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SeniorNotes2LDue2029Member" xlink:href="azul-20260828.xsd#azul_SeniorNotes2LDue2029Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SeniorNotes2LDue2029Member" xlink:to="lab_azul_SeniorNotes2LDue2029Member" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AppreciationBy25Member_019fc94a-c9dc-74a3-8049-fee3f4cb6342_terseLabel_en-US" xlink:label="lab_azul_AppreciationBy25Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate appreciation by 25%</link:label>
    <link:label id="lab_azul_AppreciationBy25Member_label_en-US" xlink:label="lab_azul_AppreciationBy25Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Appreciation by 25% [Member]</link:label>
    <link:label id="lab_azul_AppreciationBy25Member_documentation_en-US" xlink:label="lab_azul_AppreciationBy25Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Appreciation by 25%</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AppreciationBy25Member" xlink:href="azul-20260828.xsd#azul_AppreciationBy25Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AppreciationBy25Member" xlink:to="lab_azul_AppreciationBy25Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable_019fc94a-c9dc-7f07-bcac-c198d296978c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfEffectiveIncomeTaxAndSocialContributionRateTextBlock_019fc94a-c9da-7122-8a4d-0ae477ecd22a_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfEffectiveIncomeTaxAndSocialContributionRateTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Reconciliation of the Effective Income Tax Rate</link:label>
    <link:label id="lab_azul_DisclosureOfEffectiveIncomeTaxAndSocialContributionRateTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfEffectiveIncomeTaxAndSocialContributionRateTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of effective income tax and social contribution rate [Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfEffectiveIncomeTaxAndSocialContributionRateTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfEffectiveIncomeTaxAndSocialContributionRateTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of effective income tax and social contribution rate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfEffectiveIncomeTaxAndSocialContributionRateTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfEffectiveIncomeTaxAndSocialContributionRateTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfEffectiveIncomeTaxAndSocialContributionRateTextBlock" xlink:to="lab_azul_DisclosureOfEffectiveIncomeTaxAndSocialContributionRateTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfRevenueExplanatory_019fc94a-c9dc-760e-8913-93744ca54ce2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRevenueExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SALES REVENUE</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfRevenueExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRevenueExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of revenue [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRevenueExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfRevenueExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRevenueExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRevenueExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DebenturesMember_019fc94a-c9da-74c1-ac00-ca8b7c23c003_terseLabel_en-US" xlink:label="lab_azul_DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debentures</link:label>
    <link:label id="lab_azul_DebenturesMember_label_en-US" xlink:label="lab_azul_DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debentures [Member]</link:label>
    <link:label id="lab_azul_DebenturesMember_documentation_en-US" xlink:label="lab_azul_DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debentures</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DebenturesMember" xlink:href="azul-20260828.xsd#azul_DebenturesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DebenturesMember" xlink:to="lab_azul_DebenturesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentReceivables_019fc94a-33e3-7741-beea-ee3b615ce098_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentReceivables_019fc94a-c9d9-7601-8a24-fadf9a2ebe50_verboseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentReceivables_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other current receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentReceivables" xlink:to="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BalanceOfAccountsReceivableNetOfDueToAnticipations_019fc94a-c9d9-7be1-81db-006ad76a1a21_terseLabel_en-US" xlink:label="lab_azul_BalanceOfAccountsReceivableNetOfDueToAnticipations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Balance of accounts receivable net of due to anticipations</link:label>
    <link:label id="lab_azul_BalanceOfAccountsReceivableNetOfDueToAnticipations_label_en-US" xlink:label="lab_azul_BalanceOfAccountsReceivableNetOfDueToAnticipations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance of accounts receivable net of due to anticipations</link:label>
    <link:label id="lab_azul_BalanceOfAccountsReceivableNetOfDueToAnticipations_documentation_en-US" xlink:label="lab_azul_BalanceOfAccountsReceivableNetOfDueToAnticipations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Balance of accounts receivable net of due to anticipations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BalanceOfAccountsReceivableNetOfDueToAnticipations" xlink:href="azul-20260828.xsd#azul_BalanceOfAccountsReceivableNetOfDueToAnticipations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BalanceOfAccountsReceivableNetOfDueToAnticipations" xlink:to="lab_azul_BalanceOfAccountsReceivableNetOfDueToAnticipations" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InterestOnProvisions_019fc94a-c9dc-700f-83a9-a7cffdc036b7_negatedLabel_en-US" xlink:label="lab_azul_InterestOnProvisions" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest on provisions</link:label>
    <link:label id="lab_azul_InterestOnProvisions_label_en-US" xlink:label="lab_azul_InterestOnProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest on provisions</link:label>
    <link:label id="lab_azul_InterestOnProvisions_documentation_en-US" xlink:label="lab_azul_InterestOnProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization of finance costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InterestOnProvisions" xlink:href="azul-20260828.xsd#azul_InterestOnProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InterestOnProvisions" xlink:to="lab_azul_InterestOnProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CategoriesOfTradeReceivablesAxis_019fc94a-c9d9-7d24-a60c-8b4020601392_terseLabel_en-US" xlink:label="lab_azul_CategoriesOfTradeReceivablesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of trade receivables [Axis]</link:label>
    <link:label id="lab_azul_CategoriesOfTradeReceivablesAxis_label_en-US" xlink:label="lab_azul_CategoriesOfTradeReceivablesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of trade receivables [Axis]</link:label>
    <link:label id="lab_azul_CategoriesOfTradeReceivablesAxis_documentation_en-US" xlink:label="lab_azul_CategoriesOfTradeReceivablesAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Categories of trade receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CategoriesOfTradeReceivablesAxis" xlink:href="azul-20260828.xsd#azul_CategoriesOfTradeReceivablesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CategoriesOfTradeReceivablesAxis" xlink:to="lab_azul_CategoriesOfTradeReceivablesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ProvisionsMember_019fc94a-c9dc-7b6e-b273-b0d4fea6e447_terseLabel_en-US" xlink:label="lab_azul_ProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_azul_ProvisionsMember_label_en-US" xlink:label="lab_azul_ProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions [Member]</link:label>
    <link:label id="lab_azul_ProvisionsMember_documentation_en-US" xlink:label="lab_azul_ProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ProvisionsMember" xlink:href="azul-20260828.xsd#azul_ProvisionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ProvisionsMember" xlink:to="lab_azul_ProvisionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AveragePaymentTermsOfLeaseLiabilitiesInYears_019fc94a-c9da-7078-ae4c-3dc4229eca55_terseLabel_en-US" xlink:label="lab_azul_AveragePaymentTermsOfLeaseLiabilitiesInYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average remaining term</link:label>
    <link:label id="lab_azul_AveragePaymentTermsOfLeaseLiabilitiesInYears_label_en-US" xlink:label="lab_azul_AveragePaymentTermsOfLeaseLiabilitiesInYears" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average payment terms of lease liabilities in years</link:label>
    <link:label id="lab_azul_AveragePaymentTermsOfLeaseLiabilitiesInYears_documentation_en-US" xlink:label="lab_azul_AveragePaymentTermsOfLeaseLiabilitiesInYears" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Average payment terms of lease liabilities in years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AveragePaymentTermsOfLeaseLiabilitiesInYears" xlink:href="azul-20260828.xsd#azul_AveragePaymentTermsOfLeaseLiabilitiesInYears"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AveragePaymentTermsOfLeaseLiabilitiesInYears" xlink:to="lab_azul_AveragePaymentTermsOfLeaseLiabilitiesInYears" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AirportTaxesAndFeesTextBlock_019fc94a-c9db-7409-bf14-a30db76967c8_terseLabel_en-US" xlink:label="lab_azul_AirportTaxesAndFeesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AIRPORT TAXES AND FEES</link:label>
    <link:label id="lab_azul_AirportTaxesAndFeesTextBlock_label_en-US" xlink:label="lab_azul_AirportTaxesAndFeesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Airport taxes and fees [Text Block]</link:label>
    <link:label id="lab_azul_AirportTaxesAndFeesTextBlock_documentation_en-US" xlink:label="lab_azul_AirportTaxesAndFeesTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information about Airport taxes and fees.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AirportTaxesAndFeesTextBlock" xlink:href="azul-20260828.xsd#azul_AirportTaxesAndFeesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AirportTaxesAndFeesTextBlock" xlink:to="lab_azul_AirportTaxesAndFeesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_GoingConcernTextBlock_019fc94a-c9d9-72af-b5d0-f49bf89685d9_terseLabel_en-US" xlink:label="lab_azul_GoingConcernTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">GOING CONCERN</link:label>
    <link:label id="lab_azul_GoingConcernTextBlock_label_en-US" xlink:label="lab_azul_GoingConcernTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Going concern [Text Block]</link:label>
    <link:label id="lab_azul_GoingConcernTextBlock_documentation_en-US" xlink:label="lab_azul_GoingConcernTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Going concern</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_GoingConcernTextBlock" xlink:href="azul-20260828.xsd#azul_GoingConcernTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_GoingConcernTextBlock" xlink:to="lab_azul_GoingConcernTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfTaxesPayablesLineItems_019fc94a-c9db-7cac-9510-41a7859f2908_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfTaxesPayablesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of taxes payables [Line Items]</link:label>
    <link:label id="lab_azul_DisclosureOfTaxesPayablesLineItems_label_en-US" xlink:label="lab_azul_DisclosureOfTaxesPayablesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of taxes payables [Line Items]</link:label>
    <link:label id="lab_azul_DisclosureOfTaxesPayablesLineItems_documentation_en-US" xlink:label="lab_azul_DisclosureOfTaxesPayablesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of taxes payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfTaxesPayablesLineItems" xlink:href="azul-20260828.xsd#azul_DisclosureOfTaxesPayablesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfTaxesPayablesLineItems" xlink:to="lab_azul_DisclosureOfTaxesPayablesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TheCompanysWorkingCapitalAndLiquidEquityPositionTableTextBlock_019fc94a-c9d9-701e-8e7d-7ad0a95b06ba_terseLabel_en-US" xlink:label="lab_azul_TheCompanysWorkingCapitalAndLiquidEquityPositionTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Working Capital and Liquid Equity Position</link:label>
    <link:label id="lab_azul_TheCompanysWorkingCapitalAndLiquidEquityPositionTableTextBlock_label_en-US" xlink:label="lab_azul_TheCompanysWorkingCapitalAndLiquidEquityPositionTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Company's working capital and liquid equity position [Table Text Block]</link:label>
    <link:label id="lab_azul_TheCompanysWorkingCapitalAndLiquidEquityPositionTableTextBlock_documentation_en-US" xlink:label="lab_azul_TheCompanysWorkingCapitalAndLiquidEquityPositionTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Company's working capital and liquid equity position</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TheCompanysWorkingCapitalAndLiquidEquityPositionTableTextBlock" xlink:href="azul-20260828.xsd#azul_TheCompanysWorkingCapitalAndLiquidEquityPositionTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TheCompanysWorkingCapitalAndLiquidEquityPositionTableTextBlock" xlink:to="lab_azul_TheCompanysWorkingCapitalAndLiquidEquityPositionTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory_019fc94a-c9db-72ac-bdad-320687eb243d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OTHER LIABILITIES</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherLiabilitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DepositsAdditions_019fc94a-c9d9-7074-962a-a56d4f2888ce_terseLabel_en-US" xlink:label="lab_azul_DepositsAdditions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_azul_DepositsAdditions_label_en-US" xlink:label="lab_azul_DepositsAdditions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits additions</link:label>
    <link:label id="lab_azul_DepositsAdditions_documentation_en-US" xlink:label="lab_azul_DepositsAdditions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deposits non-current additions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DepositsAdditions" xlink:href="azul-20260828.xsd#azul_DepositsAdditions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DepositsAdditions" xlink:to="lab_azul_DepositsAdditions" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LeaseRenegotiationMember_019fc94a-c9da-7dfe-8390-0748632ebfb9_terseLabel_en-US" xlink:label="lab_azul_LeaseRenegotiationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leases</link:label>
    <link:label id="lab_azul_LeaseRenegotiationMember_label_en-US" xlink:label="lab_azul_LeaseRenegotiationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease renegotiation [Member]</link:label>
    <link:label id="lab_azul_LeaseRenegotiationMember_documentation_en-US" xlink:label="lab_azul_LeaseRenegotiationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lease renegotiation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LeaseRenegotiationMember" xlink:href="azul-20260828.xsd#azul_LeaseRenegotiationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LeaseRenegotiationMember" xlink:to="lab_azul_LeaseRenegotiationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyAxis_019fc94a-c9dc-778d-b397-e934b3df6405_terseLabel_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [axis]</link:label>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyAxis_label_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_June1520262Member_019ff2c0-8a61-721b-ba82-b85e7cf3f95a_terseLabel_en-US" xlink:label="lab_azul_June1520262Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">June 15, 2026</link:label>
    <link:label id="lab_azul_June1520262Member_label_en-US" xlink:label="lab_azul_June1520262Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">June 15, 2026 2 [Member]</link:label>
    <link:label id="lab_azul_June1520262Member_documentation_en-US" xlink:label="lab_azul_June1520262Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">June 15, 2026 2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_June1520262Member" xlink:href="azul-20260828.xsd#azul_June1520262Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_June1520262Member" xlink:to="lab_azul_June1520262Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParentMember_019fc94a-c9dc-7b5f-be54-863773501c73_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParentMember_label_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity attributable to owners of parent [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BorrowingsForeignExchangeGainLoss_019fc94a-c9da-7857-bd2b-6c5eecc38b85_verboseLabel_en-US" xlink:label="lab_azul_BorrowingsForeignExchangeGainLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency exchange</link:label>
    <link:label id="lab_azul_BorrowingsForeignExchangeGainLoss_019fc94a-c9da-798e-a489-03818769280b_terseLabel_en-US" xlink:label="lab_azul_BorrowingsForeignExchangeGainLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency exchange</link:label>
    <link:label id="lab_azul_BorrowingsForeignExchangeGainLoss_label_en-US" xlink:label="lab_azul_BorrowingsForeignExchangeGainLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, foreign exchange gain (loss)</link:label>
    <link:label id="lab_azul_BorrowingsForeignExchangeGainLoss_documentation_en-US" xlink:label="lab_azul_BorrowingsForeignExchangeGainLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, foreign exchange gain (loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BorrowingsForeignExchangeGainLoss" xlink:href="azul-20260828.xsd#azul_BorrowingsForeignExchangeGainLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BorrowingsForeignExchangeGainLoss" xlink:to="lab_azul_BorrowingsForeignExchangeGainLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceCosts_019fc94a-33e3-77ba-8c64-a56f20964177_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Financial expenses</link:label>
    <link:label id="lab_ifrs-full_FinanceCosts_019fc94a-c9dc-7141-b306-fd87d1e28eaf_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Financial expenses</link:label>
    <link:label id="lab_ifrs-full_FinanceCosts_label_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceCosts" xlink:to="lab_ifrs-full_FinanceCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherLiabilityMember_019fc94a-c9dc-7d3c-a765-4253e4fb34cb_terseLabel_en-US" xlink:label="lab_azul_OtherLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_azul_OtherLiabilityMember_label_en-US" xlink:label="lab_azul_OtherLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other liability [Member]</link:label>
    <link:label id="lab_azul_OtherLiabilityMember_documentation_en-US" xlink:label="lab_azul_OtherLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherLiabilityMember" xlink:href="azul-20260828.xsd#azul_OtherLiabilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherLiabilityMember" xlink:to="lab_azul_OtherLiabilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LeasesMember_019fc94a-c9da-7ef6-86c8-e2cf8bb2adfe_terseLabel_en-US" xlink:label="lab_azul_LeasesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leases</link:label>
    <link:label id="lab_azul_LeasesMember_label_en-US" xlink:label="lab_azul_LeasesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leases [Member]</link:label>
    <link:label id="lab_azul_LeasesMember_documentation_en-US" xlink:label="lab_azul_LeasesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Leases</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LeasesMember" xlink:href="azul-20260828.xsd#azul_LeasesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LeasesMember" xlink:to="lab_azul_LeasesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AircraftEnginesAndSimulatorsMember_019fc94a-c9da-78a1-91ff-e45d1c545e18_terseLabel_en-US" xlink:label="lab_azul_AircraftEnginesAndSimulatorsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aircraft, engines and simulators</link:label>
    <link:label id="lab_azul_AircraftEnginesAndSimulatorsMember_label_en-US" xlink:label="lab_azul_AircraftEnginesAndSimulatorsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aircraft, engines and simulators [Member]</link:label>
    <link:label id="lab_azul_AircraftEnginesAndSimulatorsMember_documentation_en-US" xlink:label="lab_azul_AircraftEnginesAndSimulatorsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aircraft, engines and simulators</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AircraftEnginesAndSimulatorsMember" xlink:href="azul-20260828.xsd#azul_AircraftEnginesAndSimulatorsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AircraftEnginesAndSimulatorsMember" xlink:to="lab_azul_AircraftEnginesAndSimulatorsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AccountsPayableNotesMember_019fc94a-c9db-7547-b906-a22c756c2469_terseLabel_en-US" xlink:label="lab_azul_AccountsPayableNotesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable &#8211; Notes</link:label>
    <link:label id="lab_azul_AccountsPayableNotesMember_label_en-US" xlink:label="lab_azul_AccountsPayableNotesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable Notes [Member]</link:label>
    <link:label id="lab_azul_AccountsPayableNotesMember_documentation_en-US" xlink:label="lab_azul_AccountsPayableNotesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accounts Payable Notes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AccountsPayableNotesMember" xlink:href="azul-20260828.xsd#azul_AccountsPayableNotesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AccountsPayableNotesMember" xlink:to="lab_azul_AccountsPayableNotesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherLiabilities_019fc94a-c9db-7e18-9c8e-205a3c07dbfb_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_OtherLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherLiabilities" xlink:to="lab_ifrs-full_OtherLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LossOnCapitalIncreaseDifferenceFromDebt_019ff121-31c4-73f8-a70d-8f61a691b8a0_terseLabel_en-US" xlink:label="lab_azul_LossOnCapitalIncreaseDifferenceFromDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss on capital increase</link:label>
    <link:label id="lab_azul_LossOnCapitalIncreaseDifferenceFromDebt_label_en-US" xlink:label="lab_azul_LossOnCapitalIncreaseDifferenceFromDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss On Capital Increase Difference From Debt</link:label>
    <link:label id="lab_azul_LossOnCapitalIncreaseDifferenceFromDebt_documentation_en-US" xlink:label="lab_azul_LossOnCapitalIncreaseDifferenceFromDebt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loss On Capital Increase Difference From Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LossOnCapitalIncreaseDifferenceFromDebt" xlink:href="azul-20260828.xsd#azul_LossOnCapitalIncreaseDifferenceFromDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LossOnCapitalIncreaseDifferenceFromDebt" xlink:to="lab_azul_LossOnCapitalIncreaseDifferenceFromDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding_019fc94a-c9db-7dcc-a52a-013aebd01ae3_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based payment (in shares)</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in number of shares outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xlink:to="lab_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfDetailedInformationAboutConvertibleBorrowingsExplanatoryTextBlock_019fc94a-c9da-7ce1-b864-bfb73bef1635_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfDetailedInformationAboutConvertibleBorrowingsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CONVERTIBLE DEBT INSTRUMENTS</link:label>
    <link:label id="lab_azul_DisclosureOfDetailedInformationAboutConvertibleBorrowingsExplanatoryTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfDetailedInformationAboutConvertibleBorrowingsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">DisclosureOfDetailedInformationAboutConvertibleBorrowingsExplanatory [Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfDetailedInformationAboutConvertibleBorrowingsExplanatoryTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfDetailedInformationAboutConvertibleBorrowingsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">DisclosureOfDetailedInformationAboutConvertibleBorrowingsExplanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfDetailedInformationAboutConvertibleBorrowingsExplanatoryTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfDetailedInformationAboutConvertibleBorrowingsExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfDetailedInformationAboutConvertibleBorrowingsExplanatoryTextBlock" xlink:to="lab_azul_DisclosureOfDetailedInformationAboutConvertibleBorrowingsExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsPastDueButNotImpairedMember_019fc94a-c9d9-7f16-a6a9-78790c41d5b3_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsPastDueButNotImpairedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Past due</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsPastDueButNotImpairedMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsPastDueButNotImpairedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets past due but not impaired [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsPastDueButNotImpairedMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsPastDueButNotImpairedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsPastDueButNotImpairedMember" xlink:to="lab_ifrs-full_FinancialAssetsPastDueButNotImpairedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCentralIndexKey_019ff1bc-b704-7a55-8e8e-b15c2755b1bd_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_019fc94a-c9d9-77aa-982e-89ba4b12c265_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CASH AND CASH EQUIVALENTS</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of cash and cash equivalents [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesExplanatory_019fc94a-c9d9-7106-9272-3aa79640e3b6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ACCOUNTING POLICIES</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of changes in accounting estimates [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfChangesInAccountingEstimatesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfChangesInAccountingEstimatesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfChangesInAccountingEstimatesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ReturnOfAircraftsAndEnginesMember_019fc94a-c9db-7df3-9a2c-f9abb9158b4a_terseLabel_en-US" xlink:label="lab_azul_ReturnOfAircraftsAndEnginesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Return of aircraft and engines</link:label>
    <link:label id="lab_azul_ReturnOfAircraftsAndEnginesMember_label_en-US" xlink:label="lab_azul_ReturnOfAircraftsAndEnginesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Return Of Aircrafts And Engines [Member]</link:label>
    <link:label id="lab_azul_ReturnOfAircraftsAndEnginesMember_documentation_en-US" xlink:label="lab_azul_ReturnOfAircraftsAndEnginesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Return of aircrafts and engines.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ReturnOfAircraftsAndEnginesMember" xlink:href="azul-20260828.xsd#azul_ReturnOfAircraftsAndEnginesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ReturnOfAircraftsAndEnginesMember" xlink:to="lab_azul_ReturnOfAircraftsAndEnginesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract_019fc94a-c9da-797f-95e4-62a2afc4201a_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in deferred tax liability (asset) [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in deferred tax liability (asset) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BasicEarningsPerShareAbstract_019fc94a-c9dc-76c0-a0df-e9210d077fc0_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic earnings per share</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsPerShareAbstract_label_en-US" xlink:label="lab_ifrs-full_BasicEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic earnings per share [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsPerShareAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsPerShareAbstract" xlink:to="lab_ifrs-full_BasicEarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainLossOnHedgeIneffectiveness_019fcdb1-8e31-7555-9e3e-45dfa3cddcc4_negatedLabel_en-US" xlink:label="lab_ifrs-full_GainLossOnHedgeIneffectiveness" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments, net</link:label>
    <link:label id="lab_ifrs-full_GainLossOnHedgeIneffectiveness_label_en-US" xlink:label="lab_ifrs-full_GainLossOnHedgeIneffectiveness" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (loss) on hedge ineffectiveness</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainLossOnHedgeIneffectiveness" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainLossOnHedgeIneffectiveness"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainLossOnHedgeIneffectiveness" xlink:to="lab_ifrs-full_GainLossOnHedgeIneffectiveness" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAndLiabilitiesAbstract_019fc94a-33e3-7fc6-98de-45670c71b212_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity and liabilities [abstract]</link:label>
    <link:label id="lab_ifrs-full_EquityAndLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity and liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAndLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAndLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAndLiabilitiesAbstract" xlink:to="lab_ifrs-full_EquityAndLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InsuranceExpense_019fc94a-33e3-7b81-ab5f-f12fc327c40b_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_InsuranceExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Insurance</link:label>
    <link:label id="lab_ifrs-full_InsuranceExpense_label_en-US" xlink:label="lab_ifrs-full_InsuranceExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Insurance expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InsuranceExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InsuranceExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InsuranceExpense" xlink:to="lab_ifrs-full_InsuranceExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_July2027Member_019fce6b-45bf-71f2-ad67-b7df15bcb6b8_terseLabel_en-US" xlink:label="lab_azul_July2027Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Jul-27</link:label>
    <link:label id="lab_azul_July2027Member_label_en-US" xlink:label="lab_azul_July2027Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">July 2027 [Member]</link:label>
    <link:label id="lab_azul_July2027Member_documentation_en-US" xlink:label="lab_azul_July2027Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">July 2027</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_July2027Member" xlink:href="azul-20260828.xsd#azul_July2027Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_July2027Member" xlink:to="lab_azul_July2027Member" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherLiabilities.Member_019fc94a-c9db-7eb0-b602-c10db1c4f2c7_terseLabel_en-US" xlink:label="lab_azul_OtherLiabilities.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_azul_OtherLiabilities.Member_label_en-US" xlink:label="lab_azul_OtherLiabilities.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities. [Member]</link:label>
    <link:label id="lab_azul_OtherLiabilities.Member_documentation_en-US" xlink:label="lab_azul_OtherLiabilities.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Liabilities [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherLiabilities.Member" xlink:href="azul-20260828.xsd#azul_OtherLiabilities.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherLiabilities.Member" xlink:to="lab_azul_OtherLiabilities.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LandingFees_019fc94a-33e3-7eec-a8cb-da2e72a22998_negatedTerseLabel_en-US" xlink:label="lab_azul_LandingFees" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Airport taxes and fees</link:label>
    <link:label id="lab_azul_LandingFees_label_en-US" xlink:label="lab_azul_LandingFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Landing fees</link:label>
    <link:label id="lab_azul_LandingFees_documentation_en-US" xlink:label="lab_azul_LandingFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Landing fees.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LandingFees" xlink:href="azul-20260828.xsd#azul_LandingFees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LandingFees" xlink:to="lab_azul_LandingFees" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember_019fc94a-c9dc-7b9e-90e0-841961b3d4c3_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">From 2 to 5 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than two years and not later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AverageForeignExchangeRate_019fc94a-c9d9-7f3b-bd64-2d9b9a50a363_terseLabel_en-US" xlink:label="lab_ifrs-full_AverageForeignExchangeRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Final exchange rates</link:label>
    <link:label id="lab_ifrs-full_AverageForeignExchangeRate_label_en-US" xlink:label="lab_ifrs-full_AverageForeignExchangeRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average foreign exchange rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AverageForeignExchangeRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AverageForeignExchangeRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AverageForeignExchangeRate" xlink:to="lab_ifrs-full_AverageForeignExchangeRate" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ReductionInSupplierArrangementsDueToRestructuringFinancial_019fee37-c14d-7c95-bbaf-9211f4ce8e8c_negatedTerseLabel_en-US" xlink:label="lab_azul_ReductionInSupplierArrangementsDueToRestructuringFinancial" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Renegotiations &#8211; financial - Chapter 11</link:label>
    <link:label id="lab_azul_ReductionInSupplierArrangementsDueToRestructuringFinancial_label_en-US" xlink:label="lab_azul_ReductionInSupplierArrangementsDueToRestructuringFinancial" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reduction In Supplier Arrangements Due To Restructuring, Financial</link:label>
    <link:label id="lab_azul_ReductionInSupplierArrangementsDueToRestructuringFinancial_documentation_en-US" xlink:label="lab_azul_ReductionInSupplierArrangementsDueToRestructuringFinancial" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reduction In Supplier Arrangements Due To Restructuring, Financial</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ReductionInSupplierArrangementsDueToRestructuringFinancial" xlink:href="azul-20260828.xsd#azul_ReductionInSupplierArrangementsDueToRestructuringFinancial"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ReductionInSupplierArrangementsDueToRestructuringFinancial" xlink:to="lab_azul_ReductionInSupplierArrangementsDueToRestructuringFinancial" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CargoAndTravelAgenciesMember_019fc94a-c9d9-7020-b4fc-7158da51226f_terseLabel_en-US" xlink:label="lab_azul_CargoAndTravelAgenciesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cargo and travel agencies</link:label>
    <link:label id="lab_azul_CargoAndTravelAgenciesMember_label_en-US" xlink:label="lab_azul_CargoAndTravelAgenciesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cargo and travel agencies [Member]</link:label>
    <link:label id="lab_azul_CargoAndTravelAgenciesMember_documentation_en-US" xlink:label="lab_azul_CargoAndTravelAgenciesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cargo and travel agencies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CargoAndTravelAgenciesMember" xlink:href="azul-20260828.xsd#azul_CargoAndTravelAgenciesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CargoAndTravelAgenciesMember" xlink:to="lab_azul_CargoAndTravelAgenciesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_019fc94a-c9da-73e2-8571-97dd70d664e6_verboseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions other than through business combinations, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_RemainingTermOfTheVestingPeriodInYears_019fc94a-c9dc-7720-9378-9f0a9494075b_terseLabel_en-US" xlink:label="lab_azul_RemainingTermOfTheVestingPeriodInYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remaining term (in&#160;years)</link:label>
    <link:label id="lab_azul_RemainingTermOfTheVestingPeriodInYears_label_en-US" xlink:label="lab_azul_RemainingTermOfTheVestingPeriodInYears" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Remaining term of the vesting period (in&#160;years)</link:label>
    <link:label id="lab_azul_RemainingTermOfTheVestingPeriodInYears_documentation_en-US" xlink:label="lab_azul_RemainingTermOfTheVestingPeriodInYears" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Remaining term of the vesting period (in&#160;years)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_RemainingTermOfTheVestingPeriodInYears" xlink:href="azul-20260828.xsd#azul_RemainingTermOfTheVestingPeriodInYears"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_RemainingTermOfTheVestingPeriodInYears" xlink:to="lab_azul_RemainingTermOfTheVestingPeriodInYears" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InvestmentFundsShortTermMember_019feef8-1c4b-7248-9329-7b9728ff297d_terseLabel_en-US" xlink:label="lab_azul_InvestmentFundsShortTermMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment Funds Short Term</link:label>
    <link:label id="lab_azul_InvestmentFundsShortTermMember_label_en-US" xlink:label="lab_azul_InvestmentFundsShortTermMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Funds Short Term [Member]</link:label>
    <link:label id="lab_azul_InvestmentFundsShortTermMember_documentation_en-US" xlink:label="lab_azul_InvestmentFundsShortTermMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investment Funds Short Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InvestmentFundsShortTermMember" xlink:href="azul-20260828.xsd#azul_InvestmentFundsShortTermMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InvestmentFundsShortTermMember" xlink:to="lab_azul_InvestmentFundsShortTermMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossFromOperatingActivities_019fc94a-33e3-7908-bf2f-ec77ad152a8f_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Operating (loss) profit</link:label>
    <link:label id="lab_ifrs-full_ProfitLossFromOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) from operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossFromOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossFromOperatingActivities" xlink:to="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LoyaltyProgramPartnersMember_019fc94a-c9d9-7baa-be78-5751b484be39_terseLabel_en-US" xlink:label="lab_azul_LoyaltyProgramPartnersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loyalty program partners</link:label>
    <link:label id="lab_azul_LoyaltyProgramPartnersMember_label_en-US" xlink:label="lab_azul_LoyaltyProgramPartnersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loyalty program partners [Member]</link:label>
    <link:label id="lab_azul_LoyaltyProgramPartnersMember_documentation_en-US" xlink:label="lab_azul_LoyaltyProgramPartnersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loyalty program partners</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LoyaltyProgramPartnersMember" xlink:href="azul-20260828.xsd#azul_LoyaltyProgramPartnersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LoyaltyProgramPartnersMember" xlink:to="lab_azul_LoyaltyProgramPartnersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_December2029Member_019fce6b-8df6-7550-a90a-ec11991de912_terseLabel_en-US" xlink:label="lab_azul_December2029Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dec-29</link:label>
    <link:label id="lab_azul_December2029Member_label_en-US" xlink:label="lab_azul_December2029Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">December 2029 [Member]</link:label>
    <link:label id="lab_azul_December2029Member_documentation_en-US" xlink:label="lab_azul_December2029Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">December 2029</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_December2029Member" xlink:href="azul-20260828.xsd#azul_December2029Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_December2029Member" xlink:to="lab_azul_December2029Member" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DiscountOnNonCurrentProceedsBorrowing_019ff12d-c393-7b87-8a79-425524d35562_terseLabel_en-US" xlink:label="lab_azul_DiscountOnNonCurrentProceedsBorrowing" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discount on non-current proceeds borrowing</link:label>
    <link:label id="lab_azul_DiscountOnNonCurrentProceedsBorrowing_label_en-US" xlink:label="lab_azul_DiscountOnNonCurrentProceedsBorrowing" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discount On Non-Current Proceeds Borrowing</link:label>
    <link:label id="lab_azul_DiscountOnNonCurrentProceedsBorrowing_documentation_en-US" xlink:label="lab_azul_DiscountOnNonCurrentProceedsBorrowing" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Discount On Non-Current Proceeds Borrowing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DiscountOnNonCurrentProceedsBorrowing" xlink:href="azul-20260828.xsd#azul_DiscountOnNonCurrentProceedsBorrowing"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DiscountOnNonCurrentProceedsBorrowing" xlink:to="lab_azul_DiscountOnNonCurrentProceedsBorrowing" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfLeasesExplanatory_019fc94a-c9da-769b-876b-f7f796082635_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LEASES</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfLeasesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of leases [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfLeasesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfLeasesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfLeasesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_HedgingDesignationMember_019fc94a-c9db-74f0-9f62-e64b2c93fe01_terseLabel_en-US" xlink:label="lab_azul_HedgingDesignationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging designation</link:label>
    <link:label id="lab_azul_HedgingDesignationMember_label_en-US" xlink:label="lab_azul_HedgingDesignationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging designation [Member]</link:label>
    <link:label id="lab_azul_HedgingDesignationMember_documentation_en-US" xlink:label="lab_azul_HedgingDesignationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hedging designation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_HedgingDesignationMember" xlink:href="azul-20260828.xsd#azul_HedgingDesignationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_HedgingDesignationMember" xlink:to="lab_azul_HedgingDesignationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_PropertyPlantAndEquipmentExcludingRightOfUseAssetsMember_019fc94a-c9da-7703-98eb-9de042852a17_terseLabel_en-US" xlink:label="lab_azul_PropertyPlantAndEquipmentExcludingRightOfUseAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property and equipment</link:label>
    <link:label id="lab_azul_PropertyPlantAndEquipmentExcludingRightOfUseAssetsMember_label_en-US" xlink:label="lab_azul_PropertyPlantAndEquipmentExcludingRightOfUseAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment, excluding right-of-use assets [Member]</link:label>
    <link:label id="lab_azul_PropertyPlantAndEquipmentExcludingRightOfUseAssetsMember_documentation_en-US" xlink:label="lab_azul_PropertyPlantAndEquipmentExcludingRightOfUseAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Property, plant and equipment, excluding right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_PropertyPlantAndEquipmentExcludingRightOfUseAssetsMember" xlink:href="azul-20260828.xsd#azul_PropertyPlantAndEquipmentExcludingRightOfUseAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_PropertyPlantAndEquipmentExcludingRightOfUseAssetsMember" xlink:to="lab_azul_PropertyPlantAndEquipmentExcludingRightOfUseAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LongTermAndShortTermDepositsNotClassifiedAsCashAndCashEquivalents_019fc94a-c9d9-7f3b-9e60-2bb76ebe1b14_totalLabel_en-US" xlink:label="lab_azul_LongTermAndShortTermDepositsNotClassifiedAsCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total net</link:label>
    <link:label id="lab_azul_LongTermAndShortTermDepositsNotClassifiedAsCashAndCashEquivalents_019fc94a-c9d9-7563-b3ae-df6580c2064e_periodStartLabel_en-US" xlink:label="lab_azul_LongTermAndShortTermDepositsNotClassifiedAsCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance at the beginning of the period</link:label>
    <link:label id="lab_azul_LongTermAndShortTermDepositsNotClassifiedAsCashAndCashEquivalents_019fc94a-c9d9-7048-af04-19d5b283ed8b_periodEndLabel_en-US" xlink:label="lab_azul_LongTermAndShortTermDepositsNotClassifiedAsCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance at the end of the period</link:label>
    <link:label id="lab_azul_LongTermAndShortTermDepositsNotClassifiedAsCashAndCashEquivalents_label_en-US" xlink:label="lab_azul_LongTermAndShortTermDepositsNotClassifiedAsCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term and short-term deposits, not classified as cash and cash equivalents</link:label>
    <link:label id="lab_azul_LongTermAndShortTermDepositsNotClassifiedAsCashAndCashEquivalents_documentation_en-US" xlink:label="lab_azul_LongTermAndShortTermDepositsNotClassifiedAsCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Long-term and short-term deposits, not classified as cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LongTermAndShortTermDepositsNotClassifiedAsCashAndCashEquivalents" xlink:href="azul-20260828.xsd#azul_LongTermAndShortTermDepositsNotClassifiedAsCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LongTermAndShortTermDepositsNotClassifiedAsCashAndCashEquivalents" xlink:to="lab_azul_LongTermAndShortTermDepositsNotClassifiedAsCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment_019fc94a-c9dc-7245-896d-727d201b47a6_terseLabel_en-US" xlink:label="lab_ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial disbursements calculated at present value</link:label>
    <link:label id="lab_ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual commitments for acquisition of property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfDetailedInformationOfChangesInAllowanceForDoubtfulAccountsTextBlock_019fc94a-c9d9-75aa-88d2-87af1ca54d08_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfDetailedInformationOfChangesInAllowanceForDoubtfulAccountsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Changes in the Allowance for Doubtful Accounts</link:label>
    <link:label id="lab_azul_DisclosureOfDetailedInformationOfChangesInAllowanceForDoubtfulAccountsTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfDetailedInformationOfChangesInAllowanceForDoubtfulAccountsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information of changes in allowance for doubtful accounts [Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfDetailedInformationOfChangesInAllowanceForDoubtfulAccountsTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfDetailedInformationOfChangesInAllowanceForDoubtfulAccountsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information of changes in allowance for doubtful accounts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfDetailedInformationOfChangesInAllowanceForDoubtfulAccountsTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfDetailedInformationOfChangesInAllowanceForDoubtfulAccountsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfDetailedInformationOfChangesInAllowanceForDoubtfulAccountsTextBlock" xlink:to="lab_azul_DisclosureOfDetailedInformationOfChangesInAllowanceForDoubtfulAccountsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionsExplanatory_019fc94a-c9db-7a66-bd55-6c47cf1ed357_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PROVISIONS</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of provisions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProvisionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfCashFlowsAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of cash flows [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfCashFlowsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsTable_019fc94a-c9d9-7c50-a6dd-7bbd4266f35e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsTable_019fc94a-c9d9-7c4a-bf73-5c9979afa1e0_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquity_019fc94a-c9dc-7c53-b248-8a4287de7da1_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Substantial strengthening of shareholders&#8217; equity</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquity_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Claims From Investors Converted To Equity</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquity_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Claims From Investors Converted To Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquity" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquity" xlink:to="lab_azul_IncreaseDecreaseThroughClaimsFromInvestorsConvertedToEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncome_019fc94a-33e3-747a-b0e6-2342f05cbf5b_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:to="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BorrowingsEffectiveInterestRate_019fc94a-c9da-73c0-b1b0-ad16dbeacc0c_terseLabel_en-US" xlink:label="lab_azul_BorrowingsEffectiveInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective rate p.a.</link:label>
    <link:label id="lab_azul_BorrowingsEffectiveInterestRate_label_en-US" xlink:label="lab_azul_BorrowingsEffectiveInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings Effective Interest Rate</link:label>
    <link:label id="lab_azul_BorrowingsEffectiveInterestRate_documentation_en-US" xlink:label="lab_azul_BorrowingsEffectiveInterestRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings Effective Interest Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BorrowingsEffectiveInterestRate" xlink:href="azul-20260828.xsd#azul_BorrowingsEffectiveInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BorrowingsEffectiveInterestRate" xlink:to="lab_azul_BorrowingsEffectiveInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesAbstract_label_en-US" xlink:label="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of security deposits and maintenance reserves [Abstract]</link:label>
    <link:label id="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesAbstract_documentation_en-US" xlink:label="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of security deposits and maintenance reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesAbstract" xlink:href="azul-20260828.xsd#azul_DisclosureOfSecurityDepositsAndMaintenanceReservesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesAbstract" xlink:to="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfBreakdownOfSecurityTableTextBlock_019fc94a-c9d9-764f-a62b-45db8773bed3_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfBreakdownOfSecurityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Provision for Loss of Maintenance Reserves</link:label>
    <link:label id="lab_azul_DisclosureOfBreakdownOfSecurityTableTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfBreakdownOfSecurityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of breakdown of security [Table Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfBreakdownOfSecurityTableTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfBreakdownOfSecurityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of breakdown of security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfBreakdownOfSecurityTableTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfBreakdownOfSecurityTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfBreakdownOfSecurityTableTextBlock" xlink:to="lab_azul_DisclosureOfBreakdownOfSecurityTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ICMSRecoverable_019fc94a-c9d9-73da-b2f2-6aeba075dcb1_terseLabel_en-US" xlink:label="lab_azul_ICMSRecoverable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ICMS</link:label>
    <link:label id="lab_azul_ICMSRecoverable_label_en-US" xlink:label="lab_azul_ICMSRecoverable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ICMS recoverable</link:label>
    <link:label id="lab_azul_ICMSRecoverable_documentation_en-US" xlink:label="lab_azul_ICMSRecoverable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ICMS recoverable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ICMSRecoverable" xlink:href="azul-20260828.xsd#azul_ICMSRecoverable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ICMSRecoverable" xlink:to="lab_azul_ICMSRecoverable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInEquity_019fc94a-c9d9-704f-af5c-5782efcdc930_terseLabel_en-US" xlink:label="lab_ifrs-full_ChangesInEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variation</link:label>
    <link:label id="lab_ifrs-full_ChangesInEquity_label_en-US" xlink:label="lab_ifrs-full_ChangesInEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ChangesInEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInEquity" xlink:to="lab_ifrs-full_ChangesInEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLiabilitiesAbstract_019fc94a-33e3-735d-8a59-aa8ad2950760_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:to="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfNonCashTransactionsTextBlock_019fc94a-c9dc-77ab-ae92-019033ab777a_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfNonCashTransactionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NON-CASH TRANSACTIONS</link:label>
    <link:label id="lab_azul_DisclosureOfNonCashTransactionsTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfNonCashTransactionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of non-cash transactions [Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfNonCashTransactionsTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfNonCashTransactionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of non-cash transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfNonCashTransactionsTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfNonCashTransactionsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfNonCashTransactionsTextBlock" xlink:to="lab_azul_DisclosureOfNonCashTransactionsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LongtermDeposits_019fc94a-33e3-7b0e-9667-382b83925739_verboseLabel_en-US" xlink:label="lab_ifrs-full_LongtermDeposits" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deposits</link:label>
    <link:label id="lab_ifrs-full_LongtermDeposits_019fc94a-c9d9-7f7d-889e-af1618638a2c_terseLabel_en-US" xlink:label="lab_ifrs-full_LongtermDeposits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_LongtermDeposits_label_en-US" xlink:label="lab_ifrs-full_LongtermDeposits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term deposits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermDeposits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LongtermDeposits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermDeposits" xlink:to="lab_ifrs-full_LongtermDeposits" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AirportTaxesAndFeesCurrentLiabilities_019fc94a-33e3-7e04-acf4-e311b17cd614_terseLabel_en-US" xlink:label="lab_azul_AirportTaxesAndFeesCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Airport taxes and fees</link:label>
    <link:label id="lab_azul_AirportTaxesAndFeesCurrentLiabilities_019fc94a-c9db-74d2-9530-77e0a084f270_verboseLabel_en-US" xlink:label="lab_azul_AirportTaxesAndFeesCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_azul_AirportTaxesAndFeesCurrentLiabilities_label_en-US" xlink:label="lab_azul_AirportTaxesAndFeesCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Airport taxes and fees, current liabilities</link:label>
    <link:label id="lab_azul_AirportTaxesAndFeesCurrentLiabilities_documentation_en-US" xlink:label="lab_azul_AirportTaxesAndFeesCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Airport taxes and fees, current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AirportTaxesAndFeesCurrentLiabilities" xlink:href="azul-20260828.xsd#azul_AirportTaxesAndFeesCurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AirportTaxesAndFeesCurrentLiabilities" xlink:to="lab_azul_AirportTaxesAndFeesCurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AFACMember_019fc94a-c9db-788c-b30f-d1536486320d_terseLabel_en-US" xlink:label="lab_azul_AFACMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AFAC</link:label>
    <link:label id="lab_azul_AFACMember_label_en-US" xlink:label="lab_azul_AFACMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AFAC [Member]</link:label>
    <link:label id="lab_azul_AFACMember_documentation_en-US" xlink:label="lab_azul_AFACMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">AFAC</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AFACMember" xlink:href="azul-20260828.xsd#azul_AFACMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AFACMember" xlink:to="lab_azul_AFACMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ReductionInSupplierArrangementsDueToRestructuringOperational_019fee38-5090-758b-822a-6dfafb8f0ff5_negatedTerseLabel_en-US" xlink:label="lab_azul_ReductionInSupplierArrangementsDueToRestructuringOperational" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Renegotiations &#8211; operational - Chapter 11</link:label>
    <link:label id="lab_azul_ReductionInSupplierArrangementsDueToRestructuringOperational_label_en-US" xlink:label="lab_azul_ReductionInSupplierArrangementsDueToRestructuringOperational" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reduction In Supplier Arrangements Due To Restructuring, Operational</link:label>
    <link:label id="lab_azul_ReductionInSupplierArrangementsDueToRestructuringOperational_documentation_en-US" xlink:label="lab_azul_ReductionInSupplierArrangementsDueToRestructuringOperational" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reduction In Supplier Arrangements Due To Restructuring, Operational</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ReductionInSupplierArrangementsDueToRestructuringOperational" xlink:href="azul-20260828.xsd#azul_ReductionInSupplierArrangementsDueToRestructuringOperational"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ReductionInSupplierArrangementsDueToRestructuringOperational" xlink:to="lab_azul_ReductionInSupplierArrangementsDueToRestructuringOperational" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LeaseWithoutPurchaseOptionAircraftEnginesAndSimulatorsMember_019fc94a-c9da-7280-ae19-26caa8231432_terseLabel_en-US" xlink:label="lab_azul_LeaseWithoutPurchaseOptionAircraftEnginesAndSimulatorsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aircraft, engines and simulators</link:label>
    <link:label id="lab_azul_LeaseWithoutPurchaseOptionAircraftEnginesAndSimulatorsMember_label_en-US" xlink:label="lab_azul_LeaseWithoutPurchaseOptionAircraftEnginesAndSimulatorsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease without purchase option: Aircraft, engines and simulators [Member]</link:label>
    <link:label id="lab_azul_LeaseWithoutPurchaseOptionAircraftEnginesAndSimulatorsMember_documentation_en-US" xlink:label="lab_azul_LeaseWithoutPurchaseOptionAircraftEnginesAndSimulatorsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lease without purchase option: Aircraft, engines and simulators</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LeaseWithoutPurchaseOptionAircraftEnginesAndSimulatorsMember" xlink:href="azul-20260828.xsd#azul_LeaseWithoutPurchaseOptionAircraftEnginesAndSimulatorsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LeaseWithoutPurchaseOptionAircraftEnginesAndSimulatorsMember" xlink:to="lab_azul_LeaseWithoutPurchaseOptionAircraftEnginesAndSimulatorsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_019fc94a-c9db-7e13-90b1-8e8d829682e0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TemporaryDifferenceMember_019fc94a-c9da-79d8-ac44-87fc3e226105_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary differences</link:label>
    <link:label id="lab_ifrs-full_TemporaryDifferenceMember_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary differences [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferenceMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferenceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceMember" xlink:to="lab_ifrs-full_TemporaryDifferenceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ScheduleOfNonCashTransactionsTextBlock_019fc94a-c9dc-7a42-b0ee-d4a9400d2561_terseLabel_en-US" xlink:label="lab_azul_ScheduleOfNonCashTransactionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Non-Cash Transactions</link:label>
    <link:label id="lab_azul_ScheduleOfNonCashTransactionsTextBlock_label_en-US" xlink:label="lab_azul_ScheduleOfNonCashTransactionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of non-cash transactions [Text Block]</link:label>
    <link:label id="lab_azul_ScheduleOfNonCashTransactionsTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleOfNonCashTransactionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of non-cash transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleOfNonCashTransactionsTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleOfNonCashTransactionsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleOfNonCashTransactionsTextBlock" xlink:to="lab_azul_ScheduleOfNonCashTransactionsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ScheduleBreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock_019fc94a-c9d9-7c22-9ff0-c88d3ae438de_terseLabel_en-US" xlink:label="lab_azul_ScheduleBreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Security Deposits and Maintenance Reserves</link:label>
    <link:label id="lab_azul_ScheduleBreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock_label_en-US" xlink:label="lab_azul_ScheduleBreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule breakdown of security deposits and maintenance reserves [Table Text Block]</link:label>
    <link:label id="lab_azul_ScheduleBreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleBreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule breakdown of security deposits and maintenance reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleBreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleBreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleBreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock" xlink:to="lab_azul_ScheduleBreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalDomain_019fc94a-33e3-7126-b8f8-70d6eba43bab_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of share capital</link:label>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of share capital [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalDomain" xlink:to="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfPropertyAndEquipment_019fc94a-c9dc-78a7-827a-36853fb5b212_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfPropertyAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition of property and equipment</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfPropertyAndEquipment_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfPropertyAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease Through Noncash Acquisition Of Property And Equipment</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfPropertyAndEquipment_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfPropertyAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase Decrease Through Noncash Acquisition Of Property And Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughNoncashAcquisitionOfPropertyAndEquipment" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughNoncashAcquisitionOfPropertyAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughNoncashAcquisitionOfPropertyAndEquipment" xlink:to="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfPropertyAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DepositsTransfer_019fc94a-c9d9-75cb-990f-63aa95e39397_negatedTerseLabel_en-US" xlink:label="lab_azul_DepositsTransfer" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Returns</link:label>
    <link:label id="lab_azul_DepositsTransfer_label_en-US" xlink:label="lab_azul_DepositsTransfer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits Transfer</link:label>
    <link:label id="lab_azul_DepositsTransfer_documentation_en-US" xlink:label="lab_azul_DepositsTransfer" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deposits Transfer</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DepositsTransfer" xlink:href="azul-20260828.xsd#azul_DepositsTransfer"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DepositsTransfer" xlink:to="lab_azul_DepositsTransfer" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfBreakdownOfTaxesPayableTableTextBlock_019fc94a-c9db-72a8-91c9-a471d8dad868_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfBreakdownOfTaxesPayableTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Breakdown of Taxes Payable</link:label>
    <link:label id="lab_azul_DisclosureOfBreakdownOfTaxesPayableTableTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfBreakdownOfTaxesPayableTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of breakdown of taxes payable [Table Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfBreakdownOfTaxesPayableTableTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfBreakdownOfTaxesPayableTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of breakdown of taxes payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfBreakdownOfTaxesPayableTableTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfBreakdownOfTaxesPayableTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfBreakdownOfTaxesPayableTableTextBlock" xlink:to="lab_azul_DisclosureOfBreakdownOfTaxesPayableTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_RestrictedStockOptionPlanMember_019fc94a-c9dc-7857-9315-5221c315f8c7_terseLabel_en-US" xlink:label="lab_azul_RestrictedStockOptionPlanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">RSU</link:label>
    <link:label id="lab_azul_RestrictedStockOptionPlanMember_label_en-US" xlink:label="lab_azul_RestrictedStockOptionPlanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted stock option plan [Member]</link:label>
    <link:label id="lab_azul_RestrictedStockOptionPlanMember_documentation_en-US" xlink:label="lab_azul_RestrictedStockOptionPlanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restricted stock option plan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_RestrictedStockOptionPlanMember" xlink:href="azul-20260828.xsd#azul_RestrictedStockOptionPlanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_RestrictedStockOptionPlanMember" xlink:to="lab_azul_RestrictedStockOptionPlanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AccountsPayableReduction_019fef42-6488-7ce0-b11e-6e8438e08f1b_negatedTerseLabel_en-US" xlink:label="lab_azul_AccountsPayableReduction" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Accounts payables &#8211; GUC &#8211; Chapter 11</link:label>
    <link:label id="lab_azul_AccountsPayableReduction_019fef15-72d9-7a6d-9a19-777fd23e337b_terseLabel_en-US" xlink:label="lab_azul_AccountsPayableReduction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payables &#8211; GUC &#8211; Chapter 11</link:label>
    <link:label id="lab_azul_AccountsPayableReduction_label_en-US" xlink:label="lab_azul_AccountsPayableReduction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable Reduction</link:label>
    <link:label id="lab_azul_AccountsPayableReduction_documentation_en-US" xlink:label="lab_azul_AccountsPayableReduction" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accounts Payable Reduction</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AccountsPayableReduction" xlink:href="azul-20260828.xsd#azul_AccountsPayableReduction"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AccountsPayableReduction" xlink:to="lab_azul_AccountsPayableReduction" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceIncome_019fc94a-33e3-7c73-a08f-d21fe46136b6_terseLabel_en-US" xlink:label="lab_ifrs-full_FinanceIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial income</link:label>
    <link:label id="lab_ifrs-full_FinanceIncome_019fc94a-c9dc-7804-b825-3f3d03e6dc1b_totalLabel_en-US" xlink:label="lab_ifrs-full_FinanceIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total financial income</link:label>
    <link:label id="lab_ifrs-full_FinanceIncome_label_en-US" xlink:label="lab_ifrs-full_FinanceIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceIncome" xlink:to="lab_ifrs-full_FinanceIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AccountsPayableLineItems_019fc94a-c9db-7cf7-8c65-cb6c17093aa2_terseLabel_en-US" xlink:label="lab_azul_AccountsPayableLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable [Line Items]</link:label>
    <link:label id="lab_azul_AccountsPayableLineItems_label_en-US" xlink:label="lab_azul_AccountsPayableLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts payable [Line Items]</link:label>
    <link:label id="lab_azul_AccountsPayableLineItems_documentation_en-US" xlink:label="lab_azul_AccountsPayableLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accounts payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AccountsPayableLineItems" xlink:href="azul-20260828.xsd#azul_AccountsPayableLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AccountsPayableLineItems" xlink:to="lab_azul_AccountsPayableLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityAbstract_019fc94a-c9db-7072-a20a-f950e61d5d42_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Numerator</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityAbstract_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to ordinary equity holders of parent entity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityAbstract" xlink:to="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems_019fc94a-c9db-70f9-b9f1-74588f2c64af_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SOFRMember_019fc94a-c9dc-7f16-a565-0c412cb47aa2_terseLabel_en-US" xlink:label="lab_azul_SOFRMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exposure to SOFR</link:label>
    <link:label id="lab_azul_SOFRMember_label_en-US" xlink:label="lab_azul_SOFRMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SOFR [Member]</link:label>
    <link:label id="lab_azul_SOFRMember_documentation_en-US" xlink:label="lab_azul_SOFRMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">SOFR</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SOFRMember" xlink:href="azul-20260828.xsd#azul_SOFRMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SOFRMember" xlink:to="lab_azul_SOFRMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SecurityDepositsMember_019fc94a-c9d9-744e-aba5-421ccf056b24_terseLabel_en-US" xlink:label="lab_azul_SecurityDepositsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Security deposits</link:label>
    <link:label id="lab_azul_SecurityDepositsMember_019fc94a-c9dc-77a2-8a07-a2ad3864c1c2_verboseLabel_en-US" xlink:label="lab_azul_SecurityDepositsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deposits</link:label>
    <link:label id="lab_azul_SecurityDepositsMember_label_en-US" xlink:label="lab_azul_SecurityDepositsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Security Deposits [member]</link:label>
    <link:label id="lab_azul_SecurityDepositsMember_documentation_en-US" xlink:label="lab_azul_SecurityDepositsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Security deposits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SecurityDepositsMember" xlink:href="azul-20260828.xsd#azul_SecurityDepositsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SecurityDepositsMember" xlink:to="lab_azul_SecurityDepositsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseLiabilities_019fc94a-c9da-79db-8a19-b6f57a8d39bb_totalLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Present value of minimum lease payments</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_019fc94a-c9da-79c6-b34b-40e4c38a0d46_periodStartLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balances at the beginning of the period</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_019fc94a-c9da-7e92-af9d-25fa2bbd4168_periodEndLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balances at the end of the period</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_019fc94a-c9db-7515-893d-2e722a582b86_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Leases</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilities" xlink:to="lab_ifrs-full_LeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SecurityDepositsAndMaintenanceReservesMember_019fc94a-c9dc-7b2a-bdf0-411401b6bddc_verboseLabel_en-US" xlink:label="lab_azul_SecurityDepositsAndMaintenanceReservesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deposits</link:label>
    <link:label id="lab_azul_SecurityDepositsAndMaintenanceReservesMember_019fc94a-c9dc-72ab-818c-4d503676323c_terseLabel_en-US" xlink:label="lab_azul_SecurityDepositsAndMaintenanceReservesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Security deposits and maintenance reserve and others</link:label>
    <link:label id="lab_azul_SecurityDepositsAndMaintenanceReservesMember_label_en-US" xlink:label="lab_azul_SecurityDepositsAndMaintenanceReservesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Security deposits and maintenance reserves [member]</link:label>
    <link:label id="lab_azul_SecurityDepositsAndMaintenanceReservesMember_documentation_en-US" xlink:label="lab_azul_SecurityDepositsAndMaintenanceReservesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the Security deposits and maintenance reserves.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SecurityDepositsAndMaintenanceReservesMember" xlink:href="azul-20260828.xsd#azul_SecurityDepositsAndMaintenanceReservesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SecurityDepositsAndMaintenanceReservesMember" xlink:to="lab_azul_SecurityDepositsAndMaintenanceReservesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities_019fc94a-c9da-7354-93bf-3e295d513bdb_verboseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Write-offs</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through other changes, liabilities arising from financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_Maintenance1Member_019fc94a-c9da-77a3-a71a-ac94ed9a1e2a_terseLabel_en-US" xlink:label="lab_azul_Maintenance1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maintenance</link:label>
    <link:label id="lab_azul_Maintenance1Member_label_en-US" xlink:label="lab_azul_Maintenance1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maintenance1 [Member]</link:label>
    <link:label id="lab_azul_Maintenance1Member_documentation_en-US" xlink:label="lab_azul_Maintenance1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maintenance1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_Maintenance1Member" xlink:href="azul-20260828.xsd#azul_Maintenance1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_Maintenance1Member" xlink:to="lab_azul_Maintenance1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentProvisions_019fc94a-33e3-73c1-9dfd-fc7244b41f55_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_ifrs-full_NoncurrentProvisions_label_en-US" xlink:label="lab_ifrs-full_NoncurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentProvisions" xlink:to="lab_ifrs-full_NoncurrentProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SalariesPayableAndBenefits_019fc94a-c9db-7f57-9803-20242c3ece5b_terseLabel_en-US" xlink:label="lab_azul_SalariesPayableAndBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Salaries and benefits</link:label>
    <link:label id="lab_azul_SalariesPayableAndBenefits_label_en-US" xlink:label="lab_azul_SalariesPayableAndBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Salaries payable and Benefits</link:label>
    <link:label id="lab_azul_SalariesPayableAndBenefits_documentation_en-US" xlink:label="lab_azul_SalariesPayableAndBenefits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents salaries payable and benefits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SalariesPayableAndBenefits" xlink:href="azul-20260828.xsd#azul_SalariesPayableAndBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SalariesPayableAndBenefits" xlink:to="lab_azul_SalariesPayableAndBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_PlatformOperatorCryptoAssetTable_019fc94a-c9db-7d15-a36e-1bd72c3b13c6_terseLabel_en-US" xlink:label="lab_srt_PlatformOperatorCryptoAssetTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Platform Operator, Crypto Asset [Table]</link:label>
    <link:label id="lab_srt_PlatformOperatorCryptoAssetTable_label_en-US" xlink:label="lab_srt_PlatformOperatorCryptoAssetTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Platform Operator, Crypto Asset [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_PlatformOperatorCryptoAssetTable" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_PlatformOperatorCryptoAssetTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_PlatformOperatorCryptoAssetTable" xlink:to="lab_srt_PlatformOperatorCryptoAssetTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain_019fc94a-c9da-7bc8-85a2-8f50c1015368_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:to="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ContractualModificationOfLeasedPropertyPlantAndEquipment_019fc94a-c9da-7a0e-b398-a75eb1680440_verboseLabel_en-US" xlink:label="lab_azul_ContractualModificationOfLeasedPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Modifications</link:label>
    <link:label id="lab_azul_ContractualModificationOfLeasedPropertyPlantAndEquipment_label_en-US" xlink:label="lab_azul_ContractualModificationOfLeasedPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual modification of leased property, plant and equipment</link:label>
    <link:label id="lab_azul_ContractualModificationOfLeasedPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_azul_ContractualModificationOfLeasedPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contractual modification of leased property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ContractualModificationOfLeasedPropertyPlantAndEquipment" xlink:href="azul-20260828.xsd#azul_ContractualModificationOfLeasedPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ContractualModificationOfLeasedPropertyPlantAndEquipment" xlink:to="lab_azul_ContractualModificationOfLeasedPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill_019fc94a-c9da-7eb6-9834-12fe750f1783_terseLabel_en-US" xlink:label="lab_ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average rate (p.a.)</link:label>
    <link:label id="lab_ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortisation rate, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CashFlowsFromUsedInFinancingActivitiesLoansAndFinancingAbstract_019fcdb1-8e32-7ddd-9cac-5e47809dcf4a_terseLabel_en-US" xlink:label="lab_azul_CashFlowsFromUsedInFinancingActivitiesLoansAndFinancingAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and financing</link:label>
    <link:label id="lab_azul_CashFlowsFromUsedInFinancingActivitiesLoansAndFinancingAbstract_label_en-US" xlink:label="lab_azul_CashFlowsFromUsedInFinancingActivitiesLoansAndFinancingAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from used in financing activities loans and financing [abstract]</link:label>
    <link:label id="lab_azul_CashFlowsFromUsedInFinancingActivitiesLoansAndFinancingAbstract_documentation_en-US" xlink:label="lab_azul_CashFlowsFromUsedInFinancingActivitiesLoansAndFinancingAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Abstract represents loans and financing.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CashFlowsFromUsedInFinancingActivitiesLoansAndFinancingAbstract" xlink:href="azul-20260828.xsd#azul_CashFlowsFromUsedInFinancingActivitiesLoansAndFinancingAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CashFlowsFromUsedInFinancingActivitiesLoansAndFinancingAbstract" xlink:to="lab_azul_CashFlowsFromUsedInFinancingActivitiesLoansAndFinancingAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesTable_019fc94a-c9da-71c2-bb96-c104a700c0e2_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Future Minimum Payments Of Lease Liabilities [Table]</link:label>
    <link:label id="lab_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesTable_label_en-US" xlink:label="lab_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Future Minimum Payments Of Lease Liabilities [Table]</link:label>
    <link:label id="lab_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesTable_documentation_en-US" xlink:label="lab_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Future Minimum Payments Of Lease Liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesTable" xlink:href="azul-20260828.xsd#azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesTable" xlink:to="lab_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_GeneralUnsecuredClaimsMember_019fc94a-c9db-77d3-a8ba-71887dcf664a_terseLabel_en-US" xlink:label="lab_azul_GeneralUnsecuredClaimsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">GUC &#8211; Chapter 11</link:label>
    <link:label id="lab_azul_GeneralUnsecuredClaimsMember_label_en-US" xlink:label="lab_azul_GeneralUnsecuredClaimsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General Unsecured Claims [Member]</link:label>
    <link:label id="lab_azul_GeneralUnsecuredClaimsMember_documentation_en-US" xlink:label="lab_azul_GeneralUnsecuredClaimsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">General Unsecured Claims</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_GeneralUnsecuredClaimsMember" xlink:href="azul-20260828.xsd#azul_GeneralUnsecuredClaimsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_GeneralUnsecuredClaimsMember" xlink:to="lab_azul_GeneralUnsecuredClaimsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssuedCapital_019fc94a-33e3-787f-a187-bf816be95748_verboseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Issued capital</link:label>
    <link:label id="lab_ifrs-full_IssuedCapital_019ffb7b-e25e-7230-b844-87352359074b_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued capital</link:label>
    <link:label id="lab_ifrs-full_IssuedCapital_019fc94a-c9db-7c45-a8ca-027a6a28228d_periodStartLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Issued capital beginning balance</link:label>
    <link:label id="lab_ifrs-full_IssuedCapital_019fc94a-c9db-7821-9d95-4f13adb29c00_periodEndLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Issued capital ending balance</link:label>
    <link:label id="lab_ifrs-full_IssuedCapital_label_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssuedCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapital" xlink:to="lab_ifrs-full_IssuedCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems_019fc94a-c9da-75ae-9710-8dc6284482e5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory_019fc94a-c9da-74ad-8f6f-304c5585cb8d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">INTANGIBLE ASSETS</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of intangible assets and goodwill [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised_019fc94a-c9da-74e3-94c6-1c35bdd49924_verboseLabel_en-US" xlink:label="lab_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Tax losses and negative bases</link:label>
    <link:label id="lab_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised_label_en-US" xlink:label="lab_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unused tax losses for which no deferred tax asset recognised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xlink:to="lab_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DebentureRestructuringOfConvertible_019ffb68-6e9f-7f03-84db-6e9b3afc68ec_negatedLabel_en-US" xlink:label="lab_azul_DebentureRestructuringOfConvertible" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Debentures restructuring of convertible</link:label>
    <link:label id="lab_azul_DebentureRestructuringOfConvertible_label_en-US" xlink:label="lab_azul_DebentureRestructuringOfConvertible" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debenture Restructuring Of Convertible</link:label>
    <link:label id="lab_azul_DebentureRestructuringOfConvertible_documentation_en-US" xlink:label="lab_azul_DebentureRestructuringOfConvertible" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debenture Restructuring Of Convertible</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DebentureRestructuringOfConvertible" xlink:href="azul-20260828.xsd#azul_DebentureRestructuringOfConvertible"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DebentureRestructuringOfConvertible" xlink:to="lab_azul_DebentureRestructuringOfConvertible" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SeniorNotesMember_019fef27-7e6f-7af3-8169-454124e8fcce_terseLabel_en-US" xlink:label="lab_azul_SeniorNotesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior Notes</link:label>
    <link:label id="lab_azul_SeniorNotesMember_label_en-US" xlink:label="lab_azul_SeniorNotesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Notes [Member]</link:label>
    <link:label id="lab_azul_SeniorNotesMember_documentation_en-US" xlink:label="lab_azul_SeniorNotesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior Notes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SeniorNotesMember" xlink:href="azul-20260828.xsd#azul_SeniorNotesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SeniorNotesMember" xlink:to="lab_azul_SeniorNotesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAxis_019fc94a-c9d9-71b6-a7b4-43f1b2e235a1_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfJointOperationsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfJointOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of joint operations [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfJointOperationsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfJointOperationsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfJointOperationsAbstract" xlink:to="lab_ifrs-full_DisclosureOfJointOperationsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherInterestPaid_019fcdb1-8e32-723e-815c-88cf0942f49b_negatedTerseLabel_en-US" xlink:label="lab_azul_OtherInterestPaid" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_azul_OtherInterestPaid_label_en-US" xlink:label="lab_azul_OtherInterestPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other interest paid</link:label>
    <link:label id="lab_azul_OtherInterestPaid_documentation_en-US" xlink:label="lab_azul_OtherInterestPaid" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other interest paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherInterestPaid" xlink:href="azul-20260828.xsd#azul_OtherInterestPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherInterestPaid" xlink:to="lab_azul_OtherInterestPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InterestOnConvertibleDebtInstruments_019fc94a-c9dc-7fea-8289-04ac61fa6fc1_negatedLabel_en-US" xlink:label="lab_azul_InterestOnConvertibleDebtInstruments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest on convertible instruments</link:label>
    <link:label id="lab_azul_InterestOnConvertibleDebtInstruments_label_en-US" xlink:label="lab_azul_InterestOnConvertibleDebtInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest on convertible debt instruments</link:label>
    <link:label id="lab_azul_InterestOnConvertibleDebtInstruments_documentation_en-US" xlink:label="lab_azul_InterestOnConvertibleDebtInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest on fianance lease.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InterestOnConvertibleDebtInstruments" xlink:href="azul-20260828.xsd#azul_InterestOnConvertibleDebtInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InterestOnConvertibleDebtInstruments" xlink:to="lab_azul_InterestOnConvertibleDebtInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InventoryMember_019fc94a-c9dc-752a-8f76-bf6e3b918adb_terseLabel_en-US" xlink:label="lab_azul_InventoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_azul_InventoryMember_label_en-US" xlink:label="lab_azul_InventoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory [Member]</link:label>
    <link:label id="lab_azul_InventoryMember_documentation_en-US" xlink:label="lab_azul_InventoryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inventory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InventoryMember" xlink:href="azul-20260828.xsd#azul_InventoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InventoryMember" xlink:to="lab_azul_InventoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherProvisions_019fc94a-c9db-7601-b80d-836b26e033dc_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Probable loss</link:label>
    <link:label id="lab_ifrs-full_OtherProvisions_label_en-US" xlink:label="lab_ifrs-full_OtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherProvisions" xlink:to="lab_ifrs-full_OtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_019fc94a-c9d9-75f6-aaf3-0335154e4e0c_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in trade accounts payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilities_019fc94a-c9dc-7eca-af6a-5aeed5d261cc_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilities" xlink:to="lab_ifrs-full_FinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SecurityDeposits_019fc94a-c9db-77c2-a4a3-da264e99d995_terseLabel_en-US" xlink:label="lab_azul_SecurityDeposits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Security deposits</link:label>
    <link:label id="lab_azul_SecurityDeposits_label_en-US" xlink:label="lab_azul_SecurityDeposits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Security deposits</link:label>
    <link:label id="lab_azul_SecurityDeposits_documentation_en-US" xlink:label="lab_azul_SecurityDeposits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Security deposits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SecurityDeposits" xlink:href="azul-20260828.xsd#azul_SecurityDeposits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SecurityDeposits" xlink:to="lab_azul_SecurityDeposits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember_019fc94a-c9da-781a-8544-1f05a1e9a244_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember_label_en-US" xlink:label="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other property, plant and equipment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherPropertyPlantAndEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:to="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_019fc94a-c9da-7dae-b369-40445b114df2_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total income tax and social contribution expenses</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_019fc94a-c9dc-7c61-85c6-5297286cda49_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SUBSEQUENT EVENTS</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of events after reporting period [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CurrentIncomeTaxAndSocialContribution_019fc94a-33e3-7d8e-90d1-048473c93881_negatedTerseLabel_en-US" xlink:label="lab_azul_CurrentIncomeTaxAndSocialContribution" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Current income tax and social contribution</link:label>
    <link:label id="lab_azul_CurrentIncomeTaxAndSocialContribution_label_en-US" xlink:label="lab_azul_CurrentIncomeTaxAndSocialContribution" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current income tax and social contribution</link:label>
    <link:label id="lab_azul_CurrentIncomeTaxAndSocialContribution_documentation_en-US" xlink:label="lab_azul_CurrentIncomeTaxAndSocialContribution" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current income tax and social contribution</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CurrentIncomeTaxAndSocialContribution" xlink:href="azul-20260828.xsd#azul_CurrentIncomeTaxAndSocialContribution"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CurrentIncomeTaxAndSocialContribution" xlink:to="lab_azul_CurrentIncomeTaxAndSocialContribution" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherReceivables_019fc94a-c9d9-7817-9623-87d3db432461_totalLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total net</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherReceivables_019fc94a-c9d9-7846-9660-31fc13918535_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total net</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherReceivables_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherReceivables" xlink:to="lab_ifrs-full_TradeAndOtherReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_BRL_019fc94a-c9da-7f18-a5fd-41003b6452cd_verboseLabel_en-US" xlink:label="lab_currency_BRL" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Brazil, Brazil Real</link:label>
    <link:label id="lab_currency_BRL_label_en-US" xlink:label="lab_currency_BRL" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Brazil, Brazil Real</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_BRL" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_BRL"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_BRL" xlink:to="lab_currency_BRL" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_019fcdb1-8e31-7c8c-9f6b-28adcaef4a8c_verboseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from operating activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) operating activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AirportFee_019fc94a-c9db-77f4-9e59-a42cd9148837_terseLabel_en-US" xlink:label="lab_azul_AirportFee" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Airport fees</link:label>
    <link:label id="lab_azul_AirportFee_label_en-US" xlink:label="lab_azul_AirportFee" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Airport fee</link:label>
    <link:label id="lab_azul_AirportFee_documentation_en-US" xlink:label="lab_azul_AirportFee" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information about Airport fee.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AirportFee" xlink:href="azul-20260828.xsd#azul_AirportFee"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AirportFee" xlink:to="lab_azul_AirportFee" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ScheduleOfLeaseRenegotiationsTableTextBlock_019fc94a-c9da-7ca6-a5f3-b5c1336b3420_terseLabel_en-US" xlink:label="lab_azul_ScheduleOfLeaseRenegotiationsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Lease Renegotiations</link:label>
    <link:label id="lab_azul_ScheduleOfLeaseRenegotiationsTableTextBlock_label_en-US" xlink:label="lab_azul_ScheduleOfLeaseRenegotiationsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Lease Renegotiations [Table Text Block]</link:label>
    <link:label id="lab_azul_ScheduleOfLeaseRenegotiationsTableTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleOfLeaseRenegotiationsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Lease Renegotiations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleOfLeaseRenegotiationsTableTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleOfLeaseRenegotiationsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleOfLeaseRenegotiationsTableTextBlock" xlink:to="lab_azul_ScheduleOfLeaseRenegotiationsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_WriteOffOfProvisionDueToRestructuring_019fc94a-c9db-7dfe-8cab-0584f41e1d64_terseLabel_en-US" xlink:label="lab_azul_WriteOffOfProvisionDueToRestructuring" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Movements</link:label>
    <link:label id="lab_azul_WriteOffOfProvisionDueToRestructuring_label_en-US" xlink:label="lab_azul_WriteOffOfProvisionDueToRestructuring" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Write Off Of Provision Due To Restructuring</link:label>
    <link:label id="lab_azul_WriteOffOfProvisionDueToRestructuring_documentation_en-US" xlink:label="lab_azul_WriteOffOfProvisionDueToRestructuring" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Write Off Of Provision Due To Restructuring</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_WriteOffOfProvisionDueToRestructuring" xlink:href="azul-20260828.xsd#azul_WriteOffOfProvisionDueToRestructuring"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_WriteOffOfProvisionDueToRestructuring" xlink:to="lab_azul_WriteOffOfProvisionDueToRestructuring" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_019fc94a-c9d9-7c3b-a0e9-3d9ee0cf398b_terseLabel_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period</link:label>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_label_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:to="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_019fc94a-c9db-729b-a8b5-9a0187e4ae81_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotLaterThanThreeMonthsMember_019fc94a-c9d9-7f03-b8e8-8be983a2a6e2_terseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanThreeMonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Up to 90 days</link:label>
    <link:label id="lab_ifrs-full_NotLaterThanThreeMonthsMember_label_en-US" xlink:label="lab_ifrs-full_NotLaterThanThreeMonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Not later than three months [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotLaterThanThreeMonthsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotLaterThanThreeMonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotLaterThanThreeMonthsMember" xlink:to="lab_ifrs-full_NotLaterThanThreeMonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityAxis_019fc94a-c9d9-7dad-a0e1-9e0fabdae486_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity [axis]</link:label>
    <link:label id="lab_ifrs-full_MaturityAxis_label_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAxis" xlink:to="lab_ifrs-full_MaturityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_NotDesignatedAsHedgingInstrument1Member_019fc94a-c9da-7e27-8433-3f439bdeaa55_terseLabel_en-US" xlink:label="lab_azul_NotDesignatedAsHedgingInstrument1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Not designated as hedging instrument</link:label>
    <link:label id="lab_azul_NotDesignatedAsHedgingInstrument1Member_label_en-US" xlink:label="lab_azul_NotDesignatedAsHedgingInstrument1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Not designated as hedging instrument1 [Member]</link:label>
    <link:label id="lab_azul_NotDesignatedAsHedgingInstrument1Member_documentation_en-US" xlink:label="lab_azul_NotDesignatedAsHedgingInstrument1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Not designated as hedging instrument1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_NotDesignatedAsHedgingInstrument1Member" xlink:href="azul-20260828.xsd#azul_NotDesignatedAsHedgingInstrument1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_NotDesignatedAsHedgingInstrument1Member" xlink:to="lab_azul_NotDesignatedAsHedgingInstrument1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis_019fc94a-c9dc-769d-8036-717a55c25005_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentType_019ff1b0-391d-7365-a6b4-085daad2a952_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_label_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType" xlink:to="lab_dei_DocumentType" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ValueAbstract_019fc94a-c9db-7d56-85e6-0a99820a7f1b_terseLabel_en-US" xlink:label="lab_azul_ValueAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value</link:label>
    <link:label id="lab_azul_ValueAbstract_label_en-US" xlink:label="lab_azul_ValueAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Value [Abstract]</link:label>
    <link:label id="lab_azul_ValueAbstract_documentation_en-US" xlink:label="lab_azul_ValueAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ValueAbstract" xlink:href="azul-20260828.xsd#azul_ValueAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ValueAbstract" xlink:to="lab_azul_ValueAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments_019fee42-8d13-7069-ba78-5aa4e9ed8bcb_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term investments</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) decrease (increase) in short-term deposits and investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:to="lab_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_019fed4c-01c6-7a40-836b-3ef254aed42d_negatedLabel_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Share-based incentive</link:label>
    <link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_label_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expense from share-based payment transactions with employees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:to="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ProductOrServiceAxis_019fc94a-c9dc-7f0f-8073-066c46291fe5_terseLabel_en-US" xlink:label="lab_srt_ProductOrServiceAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product and Service [Axis]</link:label>
    <link:label id="lab_srt_ProductOrServiceAxis_label_en-US" xlink:label="lab_srt_ProductOrServiceAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product and Service [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductOrServiceAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductOrServiceAxis" xlink:to="lab_srt_ProductOrServiceAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsAxis_019fc94a-c9d9-7973-9663-3aa9d946e193_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BuildingsAndLeaseholdImprovementsMember_019fc94a-c9da-7c3d-aecf-6ddc0db03d3c_terseLabel_en-US" xlink:label="lab_azul_BuildingsAndLeaseholdImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Improvements</link:label>
    <link:label id="lab_azul_BuildingsAndLeaseholdImprovementsMember_label_en-US" xlink:label="lab_azul_BuildingsAndLeaseholdImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Buildings and leasehold improvements [Member]</link:label>
    <link:label id="lab_azul_BuildingsAndLeaseholdImprovementsMember_documentation_en-US" xlink:label="lab_azul_BuildingsAndLeaseholdImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Buildings and leasehold improvements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BuildingsAndLeaseholdImprovementsMember" xlink:href="azul-20260828.xsd#azul_BuildingsAndLeaseholdImprovementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BuildingsAndLeaseholdImprovementsMember" xlink:to="lab_azul_BuildingsAndLeaseholdImprovementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossLeaseLiabilities_019fc94a-c9da-7cac-bcb8-23b6be321c0a_terseLabel_en-US" xlink:label="lab_ifrs-full_GrossLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum lease payments</link:label>
    <link:label id="lab_ifrs-full_GrossLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_GrossLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossLeaseLiabilities" xlink:to="lab_ifrs-full_GrossLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RiskExposuresAxis_019fc94a-c9dc-71f3-a218-35ca75339035_terseLabel_en-US" xlink:label="lab_ifrs-full_RiskExposuresAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk exposures [axis]</link:label>
    <link:label id="lab_ifrs-full_RiskExposuresAxis_label_en-US" xlink:label="lab_ifrs-full_RiskExposuresAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk variables [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RiskExposuresAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RiskExposuresAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RiskExposuresAxis" xlink:to="lab_ifrs-full_RiskExposuresAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdvancesToSuppliersAxis_019fc94a-c9d9-79fc-9e27-cc07849d91a7_terseLabel_en-US" xlink:label="lab_azul_AdvancesToSuppliersAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances to suppliers [Axis]</link:label>
    <link:label id="lab_azul_AdvancesToSuppliersAxis_label_en-US" xlink:label="lab_azul_AdvancesToSuppliersAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances to suppliers [Axis]</link:label>
    <link:label id="lab_azul_AdvancesToSuppliersAxis_documentation_en-US" xlink:label="lab_azul_AdvancesToSuppliersAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advances to suppliers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdvancesToSuppliersAxis" xlink:href="azul-20260828.xsd#azul_AdvancesToSuppliersAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdvancesToSuppliersAxis" xlink:to="lab_azul_AdvancesToSuppliersAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BorrowingsPaymentsOfInterest_019fc94a-c9da-7ed8-8625-89e18596b08f_terseLabel_en-US" xlink:label="lab_azul_BorrowingsPaymentsOfInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest payment</link:label>
    <link:label id="lab_azul_BorrowingsPaymentsOfInterest_label_en-US" xlink:label="lab_azul_BorrowingsPaymentsOfInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, payments of interest</link:label>
    <link:label id="lab_azul_BorrowingsPaymentsOfInterest_documentation_en-US" xlink:label="lab_azul_BorrowingsPaymentsOfInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, payments of interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BorrowingsPaymentsOfInterest" xlink:href="azul-20260828.xsd#azul_BorrowingsPaymentsOfInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BorrowingsPaymentsOfInterest" xlink:to="lab_azul_BorrowingsPaymentsOfInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SecurityDepositsAndMaintenanceReservesExcludingImpairmentLossMember_019fc94a-c9d9-738a-8d0d-84d0534270d4_terseLabel_en-US" xlink:label="lab_azul_SecurityDepositsAndMaintenanceReservesExcludingImpairmentLossMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_azul_SecurityDepositsAndMaintenanceReservesExcludingImpairmentLossMember_label_en-US" xlink:label="lab_azul_SecurityDepositsAndMaintenanceReservesExcludingImpairmentLossMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Security deposits and maintenance reserves excluding impairment loss [Member]</link:label>
    <link:label id="lab_azul_SecurityDepositsAndMaintenanceReservesExcludingImpairmentLossMember_documentation_en-US" xlink:label="lab_azul_SecurityDepositsAndMaintenanceReservesExcludingImpairmentLossMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Security deposits and maintenance reserves excluding impairment loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SecurityDepositsAndMaintenanceReservesExcludingImpairmentLossMember" xlink:href="azul-20260828.xsd#azul_SecurityDepositsAndMaintenanceReservesExcludingImpairmentLossMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SecurityDepositsAndMaintenanceReservesExcludingImpairmentLossMember" xlink:to="lab_azul_SecurityDepositsAndMaintenanceReservesExcludingImpairmentLossMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InterestAccountsPayable_019fc94a-c9dc-7689-be6b-0a96cb4a6d67_negatedTerseLabel_en-US" xlink:label="lab_azul_InterestAccountsPayable" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Interest on accounts payable</link:label>
    <link:label id="lab_azul_InterestAccountsPayable_label_en-US" xlink:label="lab_azul_InterestAccountsPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest accounts payable</link:label>
    <link:label id="lab_azul_InterestAccountsPayable_documentation_en-US" xlink:label="lab_azul_InterestAccountsPayable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest accounts payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InterestAccountsPayable" xlink:href="azul-20260828.xsd#azul_InterestAccountsPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InterestAccountsPayable" xlink:to="lab_azul_InterestAccountsPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareTable_019fc94a-33e3-7398-9e7f-ceb69ea38f6c_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share [table]</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareTable_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per share [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareTable" xlink:to="lab_ifrs-full_EarningsPerShareTable" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_StockRepurchaseProgramAuthorizedAmount1_019ff112-9f3e-7827-a3e7-c0ab093f9f50_terseLabel_en-US" xlink:label="lab_srt_StockRepurchaseProgramAuthorizedAmount1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in shares capital authorized</link:label>
    <link:label id="lab_srt_StockRepurchaseProgramAuthorizedAmount1_label_en-US" xlink:label="lab_srt_StockRepurchaseProgramAuthorizedAmount1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Repurchase Program, Authorized, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StockRepurchaseProgramAuthorizedAmount1" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StockRepurchaseProgramAuthorizedAmount1" xlink:to="lab_srt_StockRepurchaseProgramAuthorizedAmount1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfAssetsAxis_019fc94a-c9d9-77db-8809-af5bdee9bd24_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of assets [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfAssetsAxis" xlink:to="lab_ifrs-full_ClassesOfAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentProvisions_019fc94a-33e3-7657-9565-0d94d835046a_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_ifrs-full_CurrentProvisions_label_en-US" xlink:label="lab_ifrs-full_CurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentProvisions" xlink:to="lab_ifrs-full_CurrentProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_019fc94a-c9dc-7e78-8721-1f3acfe4e6c1_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements</link:label>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:to="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseCapitalAmount_019fef36-b050-732e-9d50-501d2b070b15_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseCapitalAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) capital amount</link:label>
    <link:label id="lab_azul_IncreaseDecreaseCapitalAmount_label_en-US" xlink:label="lab_azul_IncreaseDecreaseCapitalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Capital Amount</link:label>
    <link:label id="lab_azul_IncreaseDecreaseCapitalAmount_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseCapitalAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Capital Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseCapitalAmount" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseCapitalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseCapitalAmount" xlink:to="lab_azul_IncreaseDecreaseCapitalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareAbstract_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per share [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareAbstract" xlink:to="lab_ifrs-full_EarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RangeAxis_019fc94a-c9da-79a2-8df8-77bd9706c7f0_terseLabel_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [axis]</link:label>
    <link:label id="lab_ifrs-full_RangeAxis_label_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangeAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangeAxis" xlink:to="lab_ifrs-full_RangeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherAssetsVendorCredits_019fc94a-c9da-7d40-9d1a-4e7cfbea27dc_terseLabel_en-US" xlink:label="lab_azul_OtherAssetsVendorCredits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vendor credits</link:label>
    <link:label id="lab_azul_OtherAssetsVendorCredits_label_en-US" xlink:label="lab_azul_OtherAssetsVendorCredits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other assets, vendor credits</link:label>
    <link:label id="lab_azul_OtherAssetsVendorCredits_documentation_en-US" xlink:label="lab_azul_OtherAssetsVendorCredits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other assets, vendor credits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherAssetsVendorCredits" xlink:href="azul-20260828.xsd#azul_OtherAssetsVendorCredits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherAssetsVendorCredits" xlink:to="lab_azul_OtherAssetsVendorCredits" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ContractualCashFlowsFinancialLiabilities_019fc94a-c9dc-7fee-adda-c90061f1952c_terseLabel_en-US" xlink:label="lab_azul_ContractualCashFlowsFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual cash flow</link:label>
    <link:label id="lab_azul_ContractualCashFlowsFinancialLiabilities_label_en-US" xlink:label="lab_azul_ContractualCashFlowsFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual cash flows, Financial liabilities</link:label>
    <link:label id="lab_azul_ContractualCashFlowsFinancialLiabilities_documentation_en-US" xlink:label="lab_azul_ContractualCashFlowsFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contractual cash flows, Financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ContractualCashFlowsFinancialLiabilities" xlink:href="azul-20260828.xsd#azul_ContractualCashFlowsFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ContractualCashFlowsFinancialLiabilities" xlink:to="lab_azul_ContractualCashFlowsFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfEquityAxis_019fc94a-33e4-754c-b676-f05d426bbc60_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of equity [axis]</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfEquityAxis_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of equity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis" xlink:to="lab_ifrs-full_ComponentsOfEquityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_NumberOfPropertyPlantAndEquipmentCommittedToAcquire_019fc94a-c9dc-7ef7-813a-3e44ab6a623a_terseLabel_en-US" xlink:label="lab_azul_NumberOfPropertyPlantAndEquipmentCommittedToAcquire" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of aircraft committed to acquire</link:label>
    <link:label id="lab_azul_NumberOfPropertyPlantAndEquipmentCommittedToAcquire_label_en-US" xlink:label="lab_azul_NumberOfPropertyPlantAndEquipmentCommittedToAcquire" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of property, plant and equipment committed to acquire</link:label>
    <link:label id="lab_azul_NumberOfPropertyPlantAndEquipmentCommittedToAcquire_documentation_en-US" xlink:label="lab_azul_NumberOfPropertyPlantAndEquipmentCommittedToAcquire" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of property, plant and equipment committed to acquire</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_NumberOfPropertyPlantAndEquipmentCommittedToAcquire" xlink:href="azul-20260828.xsd#azul_NumberOfPropertyPlantAndEquipmentCommittedToAcquire"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_NumberOfPropertyPlantAndEquipmentCommittedToAcquire" xlink:to="lab_azul_NumberOfPropertyPlantAndEquipmentCommittedToAcquire" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_019fc94a-33e3-76d1-8433-a6793dbcfe69_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Profit (loss) before IR and CSLL</link:label>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_019fc94a-c9da-7295-8d44-74000527dd6c_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit (loss) before income tax and social contribution</link:label>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_label_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) before tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossBeforeTax" xlink:to="lab_ifrs-full_ProfitLossBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ForeignCurrencyExchangeDefferedAssetsMember_019fc94a-c9da-77f8-8211-b76775e7693d_terseLabel_en-US" xlink:label="lab_azul_ForeignCurrencyExchangeDefferedAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency exchange</link:label>
    <link:label id="lab_azul_ForeignCurrencyExchangeDefferedAssetsMember_label_en-US" xlink:label="lab_azul_ForeignCurrencyExchangeDefferedAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign currency exchange deffered assets [Member]</link:label>
    <link:label id="lab_azul_ForeignCurrencyExchangeDefferedAssetsMember_documentation_en-US" xlink:label="lab_azul_ForeignCurrencyExchangeDefferedAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign currency exchange deffered assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ForeignCurrencyExchangeDefferedAssetsMember" xlink:href="azul-20260828.xsd#azul_ForeignCurrencyExchangeDefferedAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ForeignCurrencyExchangeDefferedAssetsMember" xlink:to="lab_azul_ForeignCurrencyExchangeDefferedAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ProfitOrLossOfBreakdownOfDeferredTaxes_019fc94a-c9da-735f-bfbf-ca588c4d5f91_negatedTerseLabel_en-US" xlink:label="lab_azul_ProfitOrLossOfBreakdownOfDeferredTaxes" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Result</link:label>
    <link:label id="lab_azul_ProfitOrLossOfBreakdownOfDeferredTaxes_label_en-US" xlink:label="lab_azul_ProfitOrLossOfBreakdownOfDeferredTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit or loss of breakdown of deferred taxes</link:label>
    <link:label id="lab_azul_ProfitOrLossOfBreakdownOfDeferredTaxes_documentation_en-US" xlink:label="lab_azul_ProfitOrLossOfBreakdownOfDeferredTaxes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Profit or loss of breakdown of deferred taxes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ProfitOrLossOfBreakdownOfDeferredTaxes" xlink:href="azul-20260828.xsd#azul_ProfitOrLossOfBreakdownOfDeferredTaxes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ProfitOrLossOfBreakdownOfDeferredTaxes" xlink:to="lab_azul_ProfitOrLossOfBreakdownOfDeferredTaxes" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_019fc94a-c9db-760d-97a0-66ef3c26ad1c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EQUITY</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of share capital, reserves and other equity interest [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:to="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TypeOfAwardDateDomain_019fc94a-c9dc-7008-bcf6-cdad049f19a8_terseLabel_en-US" xlink:label="lab_azul_TypeOfAwardDateDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type of award date [Domain]</link:label>
    <link:label id="lab_azul_TypeOfAwardDateDomain_label_en-US" xlink:label="lab_azul_TypeOfAwardDateDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type of award date [Domain]</link:label>
    <link:label id="lab_azul_TypeOfAwardDateDomain_documentation_en-US" xlink:label="lab_azul_TypeOfAwardDateDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Type of award date [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TypeOfAwardDateDomain" xlink:href="azul-20260828.xsd#azul_TypeOfAwardDateDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TypeOfAwardDateDomain" xlink:to="lab_azul_TypeOfAwardDateDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_FinancialAssetLiability_019fc94a-c9dc-7a64-9593-5b55fb769302_terseLabel_en-US" xlink:label="lab_azul_FinancialAssetLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exposed assets (liabilities), net</link:label>
    <link:label id="lab_azul_FinancialAssetLiability_label_en-US" xlink:label="lab_azul_FinancialAssetLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Asset (Liability)</link:label>
    <link:label id="lab_azul_FinancialAssetLiability_documentation_en-US" xlink:label="lab_azul_FinancialAssetLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Asset (Liability)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_FinancialAssetLiability" xlink:href="azul-20260828.xsd#azul_FinancialAssetLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_FinancialAssetLiability" xlink:to="lab_azul_FinancialAssetLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesDomain_019fc94a-c9db-7c9b-8e25-7dd135a2e861_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of related parties</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesDomain_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of related parties [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:to="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherCurrentAssets_019fc94a-33e3-7320-b0eb-930b914effba_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_ifrs-full_OtherCurrentAssets_019fc94a-c9da-7062-ac85-6cc52f2b2ef7_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_OtherCurrentAssets_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentAssets" xlink:to="lab_ifrs-full_OtherCurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ExecutedDerivativesMember_019fc94a-c9da-758d-b604-082fe0f82796_terseLabel_en-US" xlink:label="lab_azul_ExecutedDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Executed derivatives</link:label>
    <link:label id="lab_azul_ExecutedDerivativesMember_label_en-US" xlink:label="lab_azul_ExecutedDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Executed derivatives [Member]</link:label>
    <link:label id="lab_azul_ExecutedDerivativesMember_documentation_en-US" xlink:label="lab_azul_ExecutedDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Executed derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ExecutedDerivativesMember" xlink:href="azul-20260828.xsd#azul_ExecutedDerivativesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ExecutedDerivativesMember" xlink:to="lab_azul_ExecutedDerivativesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsTable_019fc94a-c9db-7129-a269-69c245bb203d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ProvisionsForPostEmploymentBenefitMember_019fc94a-c9db-71d3-b64f-b183d9f8c010_terseLabel_en-US" xlink:label="lab_azul_ProvisionsForPostEmploymentBenefitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Post-employment benefit</link:label>
    <link:label id="lab_azul_ProvisionsForPostEmploymentBenefitMember_label_en-US" xlink:label="lab_azul_ProvisionsForPostEmploymentBenefitMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions for post-employment benefit [Member]</link:label>
    <link:label id="lab_azul_ProvisionsForPostEmploymentBenefitMember_documentation_en-US" xlink:label="lab_azul_ProvisionsForPostEmploymentBenefitMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provisions for post-employment benefit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ProvisionsForPostEmploymentBenefitMember" xlink:href="azul-20260828.xsd#azul_ProvisionsForPostEmploymentBenefitMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ProvisionsForPostEmploymentBenefitMember" xlink:to="lab_azul_ProvisionsForPostEmploymentBenefitMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipment_019fc94a-c9da-7f94-840a-a48f8045cf91_negatedLabel_en-US" xlink:label="lab_ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Write-offs</link:label>
    <link:label id="lab_ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposals and retirements, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_FinancialExpensesAbstract_019fc94a-c9dc-7f74-956c-399928ba5ed7_terseLabel_en-US" xlink:label="lab_azul_FinancialExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial expenses</link:label>
    <link:label id="lab_azul_FinancialExpensesAbstract_label_en-US" xlink:label="lab_azul_FinancialExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Expenses [abstract]</link:label>
    <link:label id="lab_azul_FinancialExpensesAbstract_documentation_en-US" xlink:label="lab_azul_FinancialExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial expenses [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_FinancialExpensesAbstract" xlink:href="azul-20260828.xsd#azul_FinancialExpensesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_FinancialExpensesAbstract" xlink:to="lab_azul_FinancialExpensesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock_019fc94a-c9d9-759c-980b-e34c21a3c516_terseLabel_en-US" xlink:label="lab_azul_BreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Deposits</link:label>
    <link:label id="lab_azul_BreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock_label_en-US" xlink:label="lab_azul_BreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Breakdown of security deposits and maintenance reserves [Table Text Block]</link:label>
    <link:label id="lab_azul_BreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock_documentation_en-US" xlink:label="lab_azul_BreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Breakdown of security deposits and maintenance reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock" xlink:href="azul-20260828.xsd#azul_BreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock" xlink:to="lab_azul_BreakdownOfSecurityDepositsAndMaintenanceReservesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain_019fc94a-c9dc-7728-b0c4-63a8465635a4_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ScheduleOfEntitysShareholdingStructureTextBlock_019fc94a-c9db-7899-bf5b-a5d39ef8b838_terseLabel_en-US" xlink:label="lab_azul_ScheduleOfEntitysShareholdingStructureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Company Shareholding Structure</link:label>
    <link:label id="lab_azul_ScheduleOfEntitysShareholdingStructureTextBlock_label_en-US" xlink:label="lab_azul_ScheduleOfEntitysShareholdingStructureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of entity's shareholding structure [Text Block]</link:label>
    <link:label id="lab_azul_ScheduleOfEntitysShareholdingStructureTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleOfEntitysShareholdingStructureTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of entity's shareholding structure</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleOfEntitysShareholdingStructureTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleOfEntitysShareholdingStructureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleOfEntitysShareholdingStructureTextBlock" xlink:to="lab_azul_ScheduleOfEntitysShareholdingStructureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityLineItems_019fc94a-c9d9-79cc-811b-37f2d487d574_terseLabel_en-US" xlink:label="lab_srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing Receivable, before Allowance for Credit Loss, Maturity [Line Items]</link:label>
    <link:label id="lab_srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityLineItems_label_en-US" xlink:label="lab_srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, before Allowance for Credit Loss, Maturity [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityLineItems" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityLineItems" xlink:to="lab_srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ConversionIntoSharesDIPMember_019ffba6-13a3-716f-bc54-fbbccfc94913_terseLabel_en-US" xlink:label="lab_azul_ConversionIntoSharesDIPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion into shares &#8211; DIP</link:label>
    <link:label id="lab_azul_ConversionIntoSharesDIPMember_label_en-US" xlink:label="lab_azul_ConversionIntoSharesDIPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Conversion into shares &#8211; DIP [Member]</link:label>
    <link:label id="lab_azul_ConversionIntoSharesDIPMember_documentation_en-US" xlink:label="lab_azul_ConversionIntoSharesDIPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Conversion into shares &#8211; DIP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ConversionIntoSharesDIPMember" xlink:href="azul-20260828.xsd#azul_ConversionIntoSharesDIPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ConversionIntoSharesDIPMember" xlink:to="lab_azul_ConversionIntoSharesDIPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageShares_019fc94a-c9db-7089-af9f-301f1e1ece3c_verboseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted average number of common shares (in shares)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageShares_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average number of ordinary shares used in calculating basic earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageShares" xlink:to="lab_ifrs-full_WeightedAverageShares" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_GeneralUnsecuredClaims_019fef3c-940d-7b8e-9db5-f88284f4c49c_negatedTerseLabel_en-US" xlink:label="lab_azul_GeneralUnsecuredClaims" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">GUC</link:label>
    <link:label id="lab_azul_GeneralUnsecuredClaims_019fc94a-c9da-7c02-a42b-1905b92f1d97_terseLabel_en-US" xlink:label="lab_azul_GeneralUnsecuredClaims" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">GUC</link:label>
    <link:label id="lab_azul_GeneralUnsecuredClaims_label_en-US" xlink:label="lab_azul_GeneralUnsecuredClaims" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General Unsecured Claims</link:label>
    <link:label id="lab_azul_GeneralUnsecuredClaims_documentation_en-US" xlink:label="lab_azul_GeneralUnsecuredClaims" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">General Unsecured Claims</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_GeneralUnsecuredClaims" xlink:href="azul-20260828.xsd#azul_GeneralUnsecuredClaims"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_GeneralUnsecuredClaims" xlink:to="lab_azul_GeneralUnsecuredClaims" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_019fc94a-c9db-7ca9-8884-ec5b2f42a192_terseLabel_en-US" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Post-employment benefit</link:label>
    <link:label id="lab_ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Post-employment benefit expense in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:to="lab_ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_WeightedAverageNumberOfPresumedConversions_019fc94a-c9db-73bc-bd37-759e645fc1b9_terseLabel_en-US" xlink:label="lab_azul_WeightedAverageNumberOfPresumedConversions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average number of presumed conversions (in shares)</link:label>
    <link:label id="lab_azul_WeightedAverageNumberOfPresumedConversions_label_en-US" xlink:label="lab_azul_WeightedAverageNumberOfPresumedConversions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average number of presumed conversions</link:label>
    <link:label id="lab_azul_WeightedAverageNumberOfPresumedConversions_documentation_en-US" xlink:label="lab_azul_WeightedAverageNumberOfPresumedConversions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted average number of presumed conversions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_WeightedAverageNumberOfPresumedConversions" xlink:href="azul-20260828.xsd#azul_WeightedAverageNumberOfPresumedConversions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_WeightedAverageNumberOfPresumedConversions" xlink:to="lab_azul_WeightedAverageNumberOfPresumedConversions" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SettlementOfOutstandingReceivableMember_019fc94a-c9d9-7e00-9fb4-b796e0a2d4c8_terseLabel_en-US" xlink:label="lab_azul_SettlementOfOutstandingReceivableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Settlement Of Outstanding Receivable</link:label>
    <link:label id="lab_azul_SettlementOfOutstandingReceivableMember_label_en-US" xlink:label="lab_azul_SettlementOfOutstandingReceivableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Settlement Of Outstanding Receivable [Member]</link:label>
    <link:label id="lab_azul_SettlementOfOutstandingReceivableMember_documentation_en-US" xlink:label="lab_azul_SettlementOfOutstandingReceivableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Settlement Of Outstanding Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SettlementOfOutstandingReceivableMember" xlink:href="azul-20260828.xsd#azul_SettlementOfOutstandingReceivableMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SettlementOfOutstandingReceivableMember" xlink:to="lab_azul_SettlementOfOutstandingReceivableMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfTaxesRecoverableTextBlock_019fc94a-c9d9-7611-a6d5-06c3b43455ab_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfTaxesRecoverableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TAXES RECOVERABLE</link:label>
    <link:label id="lab_azul_DisclosureOfTaxesRecoverableTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfTaxesRecoverableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of taxes recoverable [Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfTaxesRecoverableTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfTaxesRecoverableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of taxes recoverable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfTaxesRecoverableTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfTaxesRecoverableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfTaxesRecoverableTextBlock" xlink:to="lab_azul_DisclosureOfTaxesRecoverableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_March29Member_019fce6c-3bf6-771e-a25a-dff4b2fe4a9f_terseLabel_en-US" xlink:label="lab_azul_March29Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">March 29</link:label>
    <link:label id="lab_azul_March29Member_label_en-US" xlink:label="lab_azul_March29Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">March 29 [Member]</link:label>
    <link:label id="lab_azul_March29Member_documentation_en-US" xlink:label="lab_azul_March29Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">March 29</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_March29Member" xlink:href="azul-20260828.xsd#azul_March29Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_March29Member" xlink:to="lab_azul_March29Member" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_NumberOfTreasuryShares_019fc94a-c9db-7992-8e07-89643ee8ac75_periodStartLabel_en-US" xlink:label="lab_azul_NumberOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Number of shares, beginning balance (in shares)</link:label>
    <link:label id="lab_azul_NumberOfTreasuryShares_019fc94a-c9db-75a4-ba78-b394e7267ffb_periodEndLabel_en-US" xlink:label="lab_azul_NumberOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Number of shares, ending balance (in shares)</link:label>
    <link:label id="lab_azul_NumberOfTreasuryShares_label_en-US" xlink:label="lab_azul_NumberOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of treasury shares</link:label>
    <link:label id="lab_azul_NumberOfTreasuryShares_documentation_en-US" xlink:label="lab_azul_NumberOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of treasury shares.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_NumberOfTreasuryShares" xlink:href="azul-20260828.xsd#azul_NumberOfTreasuryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_NumberOfTreasuryShares" xlink:to="lab_azul_NumberOfTreasuryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory_019fc94a-c9da-783f-81e3-fb2bd2b129aa_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Deferred Income Tax and Social Contribution Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAdvancesToSuppliers_019fc94a-33e3-710f-88bb-974032ce085d_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances to suppliers</link:label>
    <link:label id="lab_ifrs-full_CurrentAdvancesToSuppliers_label_en-US" xlink:label="lab_ifrs-full_CurrentAdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current advances to suppliers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAdvancesToSuppliers" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAdvancesToSuppliers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAdvancesToSuppliers" xlink:to="lab_ifrs-full_CurrentAdvancesToSuppliers" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TaxesRecoverableAbstract_label_en-US" xlink:label="lab_azul_TaxesRecoverableAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Taxes Recoverable [Abstract]</link:label>
    <link:label id="lab_azul_TaxesRecoverableAbstract_documentation_en-US" xlink:label="lab_azul_TaxesRecoverableAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Taxes Recoverable [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TaxesRecoverableAbstract" xlink:href="azul-20260828.xsd#azul_TaxesRecoverableAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TaxesRecoverableAbstract" xlink:to="lab_azul_TaxesRecoverableAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesArisingFromSaleAndLeasebackTransactions_019fcdb1-8e31-73d7-9e4b-af73e74036eb_negatedLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesArisingFromSaleAndLeasebackTransactions" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Result of sale and sale and leaseback</link:label>
    <link:label id="lab_ifrs-full_GainsLossesArisingFromSaleAndLeasebackTransactions_label_en-US" xlink:label="lab_ifrs-full_GainsLossesArisingFromSaleAndLeasebackTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) arising from sale and leaseback transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesArisingFromSaleAndLeasebackTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesArisingFromSaleAndLeasebackTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesArisingFromSaleAndLeasebackTransactions" xlink:to="lab_ifrs-full_GainsLossesArisingFromSaleAndLeasebackTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DebtRestructuringCost_019fc94a-c9dc-72f5-a4d2-a5a140abefdb_negatedTerseLabel_en-US" xlink:label="lab_azul_DebtRestructuringCost" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Restructuring of loans and financing</link:label>
    <link:label id="lab_azul_DebtRestructuringCost_label_en-US" xlink:label="lab_azul_DebtRestructuringCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Restructuring Cost</link:label>
    <link:label id="lab_azul_DebtRestructuringCost_documentation_en-US" xlink:label="lab_azul_DebtRestructuringCost" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents debt restructuring cost.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DebtRestructuringCost" xlink:href="azul-20260828.xsd#azul_DebtRestructuringCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DebtRestructuringCost" xlink:to="lab_azul_DebtRestructuringCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Borrowings_019fc94a-c9da-7ca9-a8e0-e78b88f936a5_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance in the beginning of the period</link:label>
    <link:label id="lab_ifrs-full_Borrowings_019fc94a-c9da-779a-bff1-1df52f02a57c_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance at the end of the period</link:label>
    <link:label id="lab_ifrs-full_Borrowings_label_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Borrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Borrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Borrowings" xlink:to="lab_ifrs-full_Borrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents_019fc94a-c9d9-75f3-9315-db0fc953867e_terseLabel_en-US" xlink:label="lab_ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase agreements</link:label>
    <link:label id="lab_ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term investments, classified as cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents" xlink:to="lab_ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionExplanatory_019fc94a-c9db-7fbb-b8b9-5c3affdaedad_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SALARIES AND BENEFITS</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of attribution of expenses by nature to their function [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionExplanatory" xlink:to="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_PurchaseAndTransferOfShares_019ff1a2-b147-7205-92e0-42c775077ad9_negatedTerseLabel_en-US" xlink:label="lab_azul_PurchaseAndTransferOfShares" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Shares disporal of</link:label>
    <link:label id="lab_azul_PurchaseAndTransferOfShares_label_en-US" xlink:label="lab_azul_PurchaseAndTransferOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase and Transfer Of Shares</link:label>
    <link:label id="lab_azul_PurchaseAndTransferOfShares_documentation_en-US" xlink:label="lab_azul_PurchaseAndTransferOfShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase and Transfer Of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_PurchaseAndTransferOfShares" xlink:href="azul-20260828.xsd#azul_PurchaseAndTransferOfShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_PurchaseAndTransferOfShares" xlink:to="lab_azul_PurchaseAndTransferOfShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CountryOfDomicileMember_019fc94a-c9dc-7d70-8b38-6005aaf279f9_terseLabel_en-US" xlink:label="lab_ifrs-full_CountryOfDomicileMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Domestic revenue</link:label>
    <link:label id="lab_ifrs-full_CountryOfDomicileMember_label_en-US" xlink:label="lab_ifrs-full_CountryOfDomicileMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Country of domicile [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CountryOfDomicileMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CountryOfDomicileMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CountryOfDomicileMember" xlink:to="lab_ifrs-full_CountryOfDomicileMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_019fcdb1-8e32-7dca-a03c-499a19450342_totalLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Increase in cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in cash and cash equivalents after effect of exchange rate changes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CurrentInvestmentLoss_019fc94a-c9d9-7542-b1ed-1378c6c16f1e_periodStartLabel_en-US" xlink:label="lab_azul_CurrentInvestmentLoss" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balances at the beginning of the period</link:label>
    <link:label id="lab_azul_CurrentInvestmentLoss_019fc94a-c9d9-7d3d-babd-9df0e01eb028_periodEndLabel_en-US" xlink:label="lab_azul_CurrentInvestmentLoss" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balances at the end of the period</link:label>
    <link:label id="lab_azul_CurrentInvestmentLoss_label_en-US" xlink:label="lab_azul_CurrentInvestmentLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Investment Loss</link:label>
    <link:label id="lab_azul_CurrentInvestmentLoss_documentation_en-US" xlink:label="lab_azul_CurrentInvestmentLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current Investment Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CurrentInvestmentLoss" xlink:href="azul-20260828.xsd#azul_CurrentInvestmentLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CurrentInvestmentLoss" xlink:to="lab_azul_CurrentInvestmentLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTextBlock_019fc94a-c9d9-7511-8df7-dde0d535f84c_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">DEPOSITS</link:label>
    <link:label id="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of security deposits and maintenance reserves [Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure of security deposits and maintenance reserves.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTextBlock" xlink:to="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_019fcdb1-8e32-7e09-830e-0451b5c4c677_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash generated by financing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_FairValueOfFinancialIncomeOfTAPBond_019fc94a-c9dc-7566-9059-25279f976369_terseLabel_en-US" xlink:label="lab_azul_FairValueOfFinancialIncomeOfTAPBond" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of the TAP Bond</link:label>
    <link:label id="lab_azul_FairValueOfFinancialIncomeOfTAPBond_label_en-US" xlink:label="lab_azul_FairValueOfFinancialIncomeOfTAPBond" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair value of Financial income of TAP Bond</link:label>
    <link:label id="lab_azul_FairValueOfFinancialIncomeOfTAPBond_documentation_en-US" xlink:label="lab_azul_FairValueOfFinancialIncomeOfTAPBond" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value of Financial income of TAP Bond</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_FairValueOfFinancialIncomeOfTAPBond" xlink:href="azul-20260828.xsd#azul_FairValueOfFinancialIncomeOfTAPBond"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_FairValueOfFinancialIncomeOfTAPBond" xlink:to="lab_azul_FairValueOfFinancialIncomeOfTAPBond" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_VariationOfForeignCurrencyTransactionsAverageRate_019fc94a-c9d9-74a1-86f5-0b28621e8671_terseLabel_en-US" xlink:label="lab_azul_VariationOfForeignCurrencyTransactionsAverageRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variation %</link:label>
    <link:label id="lab_azul_VariationOfForeignCurrencyTransactionsAverageRate_label_en-US" xlink:label="lab_azul_VariationOfForeignCurrencyTransactionsAverageRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variation of foreign currency transactions average rate</link:label>
    <link:label id="lab_azul_VariationOfForeignCurrencyTransactionsAverageRate_documentation_en-US" xlink:label="lab_azul_VariationOfForeignCurrencyTransactionsAverageRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Variation of foreign currency transactions average rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_VariationOfForeignCurrencyTransactionsAverageRate" xlink:href="azul-20260828.xsd#azul_VariationOfForeignCurrencyTransactionsAverageRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_VariationOfForeignCurrencyTransactionsAverageRate" xlink:to="lab_azul_VariationOfForeignCurrencyTransactionsAverageRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory_019fc94a-c9dc-7081-995f-ed970f41ca3e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Foreign Exchange Risk</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_019fc94a-c9da-7c82-a0fc-bb470d65c99a_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization</link:label>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated depreciation, amortisation and impairment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:to="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TreasuryShares_019fc94a-33e3-7d29-abcf-afd37a289e76_negatedLabel_en-US" xlink:label="lab_ifrs-full_TreasuryShares" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Treasury shares</link:label>
    <link:label id="lab_ifrs-full_TreasuryShares_019fc94a-c9db-7742-8286-242850c65ef2_periodStartLabel_en-US" xlink:label="lab_ifrs-full_TreasuryShares" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning Balance</link:label>
    <link:label id="lab_ifrs-full_TreasuryShares_019fc94a-c9db-75be-ad86-6bc8fa635646_periodEndLabel_en-US" xlink:label="lab_ifrs-full_TreasuryShares" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending Balance</link:label>
    <link:label id="lab_ifrs-full_TreasuryShares_label_en-US" xlink:label="lab_ifrs-full_TreasuryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TreasuryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TreasuryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TreasuryShares" xlink:to="lab_ifrs-full_TreasuryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_UpTo360DaysMember_019fed7c-ccf2-7b18-a896-fb7c689c8e7b_terseLabel_en-US" xlink:label="lab_azul_UpTo360DaysMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Up to 360 days</link:label>
    <link:label id="lab_azul_UpTo360DaysMember_label_en-US" xlink:label="lab_azul_UpTo360DaysMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Up to 360 days [Member]</link:label>
    <link:label id="lab_azul_UpTo360DaysMember_documentation_en-US" xlink:label="lab_azul_UpTo360DaysMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Up to 360 days</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_UpTo360DaysMember" xlink:href="azul-20260828.xsd#azul_UpTo360DaysMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_UpTo360DaysMember" xlink:to="lab_azul_UpTo360DaysMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory_019fc94a-c9da-7b22-9622-360dfd65ab49_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Deferred Taxes</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of deferred taxes [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDeferredTaxesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_019fc94a-33e4-7832-beb2-720561060759_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [table]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:to="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_RepaymentOfOperatingAndFinanceLease_019fcdb1-8e32-7d7b-b75c-2d15b58c8edc_negatedLabel_en-US" xlink:label="lab_azul_RepaymentOfOperatingAndFinanceLease" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Costs</link:label>
    <link:label id="lab_azul_RepaymentOfOperatingAndFinanceLease_label_en-US" xlink:label="lab_azul_RepaymentOfOperatingAndFinanceLease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayment of operating and finance lease</link:label>
    <link:label id="lab_azul_RepaymentOfOperatingAndFinanceLease_documentation_en-US" xlink:label="lab_azul_RepaymentOfOperatingAndFinanceLease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repayment of operating and finance lease.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_RepaymentOfOperatingAndFinanceLease" xlink:href="azul-20260828.xsd#azul_RepaymentOfOperatingAndFinanceLease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_RepaymentOfOperatingAndFinanceLease" xlink:to="lab_azul_RepaymentOfOperatingAndFinanceLease" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember_019fc94a-c9db-7b93-a5bf-7aaaa5687ef6_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Key management personnel</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel of entity or parent [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelOfEntityOrParentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:to="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AirportTaxesAndFees_019fc94a-c9db-70bd-ad49-90b83d253690_totalLabel_en-US" xlink:label="lab_azul_AirportTaxesAndFees" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_azul_AirportTaxesAndFees_label_en-US" xlink:label="lab_azul_AirportTaxesAndFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Airport taxes and fees</link:label>
    <link:label id="lab_azul_AirportTaxesAndFees_documentation_en-US" xlink:label="lab_azul_AirportTaxesAndFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information about Airport taxes and fees.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AirportTaxesAndFees" xlink:href="azul-20260828.xsd#azul_AirportTaxesAndFees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AirportTaxesAndFees" xlink:to="lab_azul_AirportTaxesAndFees" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_UnpaidCapitalMember_019fc94a-33e4-73c3-9955-2dec471b68c3_terseLabel_en-US" xlink:label="lab_azul_UnpaidCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unpaid capital</link:label>
    <link:label id="lab_azul_UnpaidCapitalMember_label_en-US" xlink:label="lab_azul_UnpaidCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unpaid capital [Member]</link:label>
    <link:label id="lab_azul_UnpaidCapitalMember_documentation_en-US" xlink:label="lab_azul_UnpaidCapitalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unpaid capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_UnpaidCapitalMember" xlink:href="azul-20260828.xsd#azul_UnpaidCapitalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_UnpaidCapitalMember" xlink:to="lab_azul_UnpaidCapitalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CashCashEquivalentsAndShortTermInvestmentsMember_019fc94a-c9dc-7c72-8612-8b1911301505_terseLabel_en-US" xlink:label="lab_azul_CashCashEquivalentsAndShortTermInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_azul_CashCashEquivalentsAndShortTermInvestmentsMember_label_en-US" xlink:label="lab_azul_CashCashEquivalentsAndShortTermInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash cash equivalents and short term investments [Member]</link:label>
    <link:label id="lab_azul_CashCashEquivalentsAndShortTermInvestmentsMember_documentation_en-US" xlink:label="lab_azul_CashCashEquivalentsAndShortTermInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash cash equivalents and short term investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CashCashEquivalentsAndShortTermInvestmentsMember" xlink:href="azul-20260828.xsd#azul_CashCashEquivalentsAndShortTermInvestmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CashCashEquivalentsAndShortTermInvestmentsMember" xlink:to="lab_azul_CashCashEquivalentsAndShortTermInvestmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_PurchasingPeriodUpToYears_019fc94a-c9dc-7466-84fd-acbc0d9bc6e8_terseLabel_en-US" xlink:label="lab_azul_PurchasingPeriodUpToYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchasing period up to (years)</link:label>
    <link:label id="lab_azul_PurchasingPeriodUpToYears_label_en-US" xlink:label="lab_azul_PurchasingPeriodUpToYears" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchasing period up to (years)</link:label>
    <link:label id="lab_azul_PurchasingPeriodUpToYears_documentation_en-US" xlink:label="lab_azul_PurchasingPeriodUpToYears" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchasing period up to (years)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_PurchasingPeriodUpToYears" xlink:href="azul-20260828.xsd#azul_PurchasingPeriodUpToYears"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_PurchasingPeriodUpToYears" xlink:to="lab_azul_PurchasingPeriodUpToYears" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_019fc94a-33e3-77c5-ae4b-9e4825a298b9_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loans and financing</link:label>
    <link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_019fc94a-c9d9-799e-b212-4bc06022ab2b_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_019fc94a-c9da-791d-abe4-93206533d099_netLabel_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_label_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current borrowings and current portion of non-current borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:to="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ImportTaxesMember_019fc94a-c9db-7751-8098-93dcc513b8b4_terseLabel_en-US" xlink:label="lab_azul_ImportTaxesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Import taxes</link:label>
    <link:label id="lab_azul_ImportTaxesMember_label_en-US" xlink:label="lab_azul_ImportTaxesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Import taxes [Member]</link:label>
    <link:label id="lab_azul_ImportTaxesMember_documentation_en-US" xlink:label="lab_azul_ImportTaxesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Import taxes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ImportTaxesMember" xlink:href="azul-20260828.xsd#azul_ImportTaxesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ImportTaxesMember" xlink:to="lab_azul_ImportTaxesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfAssetsDomain_019fc94a-c9d9-7c3e-91a6-299e3d4d3dbc_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of assets</link:label>
    <link:label id="lab_ifrs-full_ClassesOfAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfAssetsDomain" xlink:to="lab_ifrs-full_ClassesOfAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BasisForPreparationAndPresentationOfTheFinancialStatementsAbstract_label_en-US" xlink:label="lab_azul_BasisForPreparationAndPresentationOfTheFinancialStatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis for preparation and presentation of the financial statements [Abstract]</link:label>
    <link:label id="lab_azul_BasisForPreparationAndPresentationOfTheFinancialStatementsAbstract_documentation_en-US" xlink:label="lab_azul_BasisForPreparationAndPresentationOfTheFinancialStatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Basis for preparation and presentation of the financial statements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BasisForPreparationAndPresentationOfTheFinancialStatementsAbstract" xlink:href="azul-20260828.xsd#azul_BasisForPreparationAndPresentationOfTheFinancialStatementsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BasisForPreparationAndPresentationOfTheFinancialStatementsAbstract" xlink:to="lab_azul_BasisForPreparationAndPresentationOfTheFinancialStatementsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpenseOnBankLoansAndOverdrafts_019fc94a-c9dc-7e33-b39a-0274479f41ae_negatedLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnBankLoansAndOverdrafts" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest on loans and financing</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseOnBankLoansAndOverdrafts_label_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnBankLoansAndOverdrafts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense on bank loans and overdrafts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpenseOnBankLoansAndOverdrafts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpenseOnBankLoansAndOverdrafts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpenseOnBankLoansAndOverdrafts" xlink:to="lab_ifrs-full_InterestExpenseOnBankLoansAndOverdrafts" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentDescription_019ff1b9-dc6f-7649-9437-2c572e7e5764_terseLabel_en-US" xlink:label="lab_dei_AmendmentDescription" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amendment Description</link:label>
    <link:label id="lab_dei_AmendmentDescription_label_en-US" xlink:label="lab_dei_AmendmentDescription" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment Description</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentDescription" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentDescription"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentDescription" xlink:to="lab_dei_AmendmentDescription" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_WriteOffOfUncollectibleAmounts_019fc94a-c9d9-77f9-b109-e1d285e9f7ca_terseLabel_en-US" xlink:label="lab_azul_WriteOffOfUncollectibleAmounts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Write-off of uncollectible amounts</link:label>
    <link:label id="lab_azul_WriteOffOfUncollectibleAmounts_label_en-US" xlink:label="lab_azul_WriteOffOfUncollectibleAmounts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Write-off of uncollectible amounts</link:label>
    <link:label id="lab_azul_WriteOffOfUncollectibleAmounts_documentation_en-US" xlink:label="lab_azul_WriteOffOfUncollectibleAmounts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Write-off of uncollectible amounts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_WriteOffOfUncollectibleAmounts" xlink:href="azul-20260828.xsd#azul_WriteOffOfUncollectibleAmounts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_WriteOffOfUncollectibleAmounts" xlink:to="lab_azul_WriteOffOfUncollectibleAmounts" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ScheduleOfLettersOfCreditTableTextBlock_019fc94a-c9dc-7c3d-90e2-56d680c7ccff_terseLabel_en-US" xlink:label="lab_azul_ScheduleOfLettersOfCreditTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Letters of Credit</link:label>
    <link:label id="lab_azul_ScheduleOfLettersOfCreditTableTextBlock_label_en-US" xlink:label="lab_azul_ScheduleOfLettersOfCreditTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Letters of credit [Table Text Block]</link:label>
    <link:label id="lab_azul_ScheduleOfLettersOfCreditTableTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleOfLettersOfCreditTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Letters of credit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleOfLettersOfCreditTableTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleOfLettersOfCreditTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleOfLettersOfCreditTableTextBlock" xlink:to="lab_azul_ScheduleOfLettersOfCreditTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BottomOfRangeMember_019fc94a-c9da-7464-8e28-b3d5b98c27f7_terseLabel_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bottom of range</link:label>
    <link:label id="lab_ifrs-full_BottomOfRangeMember_label_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bottom of range [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BottomOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BottomOfRangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BottomOfRangeMember" xlink:to="lab_ifrs-full_BottomOfRangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BorrowingsProceeds_019fc94a-c9da-7f8e-aa1e-173448cc54ec_terseLabel_en-US" xlink:label="lab_azul_BorrowingsProceeds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Funding (&#8211;) costs</link:label>
    <link:label id="lab_azul_BorrowingsProceeds_label_en-US" xlink:label="lab_azul_BorrowingsProceeds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, proceeds</link:label>
    <link:label id="lab_azul_BorrowingsProceeds_documentation_en-US" xlink:label="lab_azul_BorrowingsProceeds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, proceeds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BorrowingsProceeds" xlink:href="azul-20260828.xsd#azul_BorrowingsProceeds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BorrowingsProceeds" xlink:to="lab_azul_BorrowingsProceeds" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AircraftAcquisitionAdvancePaymentsMember_019fc94a-c9da-72d6-873b-b05848a6946d_terseLabel_en-US" xlink:label="lab_azul_AircraftAcquisitionAdvancePaymentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advance payments for acquisition of aircraft</link:label>
    <link:label id="lab_azul_AircraftAcquisitionAdvancePaymentsMember_label_en-US" xlink:label="lab_azul_AircraftAcquisitionAdvancePaymentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aircraft acquisition, advance payments [Member]</link:label>
    <link:label id="lab_azul_AircraftAcquisitionAdvancePaymentsMember_documentation_en-US" xlink:label="lab_azul_AircraftAcquisitionAdvancePaymentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aircraft acquisition, advance payments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AircraftAcquisitionAdvancePaymentsMember" xlink:href="azul-20260828.xsd#azul_AircraftAcquisitionAdvancePaymentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AircraftAcquisitionAdvancePaymentsMember" xlink:to="lab_azul_AircraftAcquisitionAdvancePaymentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AcquisitionsThroughBusinessCombinationsAndAmortizationIntangibleAssetsAndGoodwill_019fc94a-c9da-756f-ab52-bb5d807af598_terseLabel_en-US" xlink:label="lab_azul_AcquisitionsThroughBusinessCombinationsAndAmortizationIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_azul_AcquisitionsThroughBusinessCombinationsAndAmortizationIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_azul_AcquisitionsThroughBusinessCombinationsAndAmortizationIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Acquisitions Through Business Combinations And Amortization, Intangible Assets And Goodwill</link:label>
    <link:label id="lab_azul_AcquisitionsThroughBusinessCombinationsAndAmortizationIntangibleAssetsAndGoodwill_documentation_en-US" xlink:label="lab_azul_AcquisitionsThroughBusinessCombinationsAndAmortizationIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Acquisitions Through Business Combinations And Amortization, Intangible Assets And Goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AcquisitionsThroughBusinessCombinationsAndAmortizationIntangibleAssetsAndGoodwill" xlink:href="azul-20260828.xsd#azul_AcquisitionsThroughBusinessCombinationsAndAmortizationIntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AcquisitionsThroughBusinessCombinationsAndAmortizationIntangibleAssetsAndGoodwill" xlink:to="lab_azul_AcquisitionsThroughBusinessCombinationsAndAmortizationIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesAxis_019fc94a-c9db-7c74-92e3-7ee87aa020f4_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of related parties [axis]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of related parties [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ShortTermInvestmentsClassifiedAsAutomaticApplication_019fc94a-c9d9-7271-ab61-f595f331fb48_terseLabel_en-US" xlink:label="lab_azul_ShortTermInvestmentsClassifiedAsAutomaticApplication" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Automatic application</link:label>
    <link:label id="lab_azul_ShortTermInvestmentsClassifiedAsAutomaticApplication_label_en-US" xlink:label="lab_azul_ShortTermInvestmentsClassifiedAsAutomaticApplication" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term investments, classified as automatic application</link:label>
    <link:label id="lab_azul_ShortTermInvestmentsClassifiedAsAutomaticApplication_documentation_en-US" xlink:label="lab_azul_ShortTermInvestmentsClassifiedAsAutomaticApplication" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Short-term investments, classified as automatic application</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ShortTermInvestmentsClassifiedAsAutomaticApplication" xlink:href="azul-20260828.xsd#azul_ShortTermInvestmentsClassifiedAsAutomaticApplication"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ShortTermInvestmentsClassifiedAsAutomaticApplication" xlink:to="lab_azul_ShortTermInvestmentsClassifiedAsAutomaticApplication" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_019fc94a-c9da-79fa-a32f-8d62ed5b3ffc_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DetailedInformationAboutRSUTableTextBlock_019fc94a-c9dc-7c23-8702-e22e47158abe_terseLabel_en-US" xlink:label="lab_azul_DetailedInformationAboutRSUTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Detailed Information About RSU</link:label>
    <link:label id="lab_azul_DetailedInformationAboutRSUTableTextBlock_label_en-US" xlink:label="lab_azul_DetailedInformationAboutRSUTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Detailed information about RSU [Table Text Block]</link:label>
    <link:label id="lab_azul_DetailedInformationAboutRSUTableTextBlock_documentation_en-US" xlink:label="lab_azul_DetailedInformationAboutRSUTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Detailed information about RSU</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DetailedInformationAboutRSUTableTextBlock" xlink:href="azul-20260828.xsd#azul_DetailedInformationAboutRSUTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DetailedInformationAboutRSUTableTextBlock" xlink:to="lab_azul_DetailedInformationAboutRSUTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract_019fc94a-c9da-781a-b062-2c1529a65d74_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of accounting profit multiplied by applicable tax rates [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of accounting profit multiplied by applicable tax rates [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:to="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLoss_019fc94a-33e3-7618-8bf5-a4b32fe3fa2e_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Profit (loss) for the period</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_019fc94a-33e3-75f9-820d-9a246ad50b20_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit (loss) for the period</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_019fc94a-c9db-7129-8711-9deadcfb2ec9_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Profit (loss) for the period</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_label_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLoss" xlink:to="lab_ifrs-full_ProfitLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_FinancialIncomeDebtIntoEquityConversion_019fc94a-c9dc-7977-bd49-6b4de0a999a6_terseLabel_en-US" xlink:label="lab_azul_FinancialIncomeDebtIntoEquityConversion" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt to equity conversion</link:label>
    <link:label id="lab_azul_FinancialIncomeDebtIntoEquityConversion_label_en-US" xlink:label="lab_azul_FinancialIncomeDebtIntoEquityConversion" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Income, Debt Into Equity Conversion</link:label>
    <link:label id="lab_azul_FinancialIncomeDebtIntoEquityConversion_documentation_en-US" xlink:label="lab_azul_FinancialIncomeDebtIntoEquityConversion" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Income, Debt Into Equity Conversion</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_FinancialIncomeDebtIntoEquityConversion" xlink:href="azul-20260828.xsd#azul_FinancialIncomeDebtIntoEquityConversion"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_FinancialIncomeDebtIntoEquityConversion" xlink:to="lab_azul_FinancialIncomeDebtIntoEquityConversion" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfAirTrafficLiabilityTextBlock_019fc94a-c9db-756b-b5d2-c8aef0e3fbae_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfAirTrafficLiabilityTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AIR TRAFFIC LIABILITY SERVICES AND LOYALTY PROGRAM</link:label>
    <link:label id="lab_azul_DisclosureOfAirTrafficLiabilityTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfAirTrafficLiabilityTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Air Traffic Liability [Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfAirTrafficLiabilityTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfAirTrafficLiabilityTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure of air traffic liability.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfAirTrafficLiabilityTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfAirTrafficLiabilityTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfAirTrafficLiabilityTextBlock" xlink:to="lab_azul_DisclosureOfAirTrafficLiabilityTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DevaluationBy25Member_019fc94a-c9dc-7dbb-89d9-62913dfaa1aa_terseLabel_en-US" xlink:label="lab_azul_DevaluationBy25Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate devaluation by -25%</link:label>
    <link:label id="lab_azul_DevaluationBy25Member_label_en-US" xlink:label="lab_azul_DevaluationBy25Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Devaluation by 25% [Member]</link:label>
    <link:label id="lab_azul_DevaluationBy25Member_documentation_en-US" xlink:label="lab_azul_DevaluationBy25Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Devaluation by 25%</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DevaluationBy25Member" xlink:href="azul-20260828.xsd#azul_DevaluationBy25Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DevaluationBy25Member" xlink:to="lab_azul_DevaluationBy25Member" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InterestIncomeShortTermInvestments_019fc94a-c9dc-701d-a13b-af90fb3a2a3a_terseLabel_en-US" xlink:label="lab_azul_InterestIncomeShortTermInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest on short and long-term investments</link:label>
    <link:label id="lab_azul_InterestIncomeShortTermInvestments_label_en-US" xlink:label="lab_azul_InterestIncomeShortTermInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest income short term investments</link:label>
    <link:label id="lab_azul_InterestIncomeShortTermInvestments_documentation_en-US" xlink:label="lab_azul_InterestIncomeShortTermInvestments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of interest income on short-term investments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InterestIncomeShortTermInvestments" xlink:href="azul-20260828.xsd#azul_InterestIncomeShortTermInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InterestIncomeShortTermInvestments" xlink:to="lab_azul_InterestIncomeShortTermInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLiabilities_019fc94a-33e3-7102-ac84-56be0b893ac5_totalLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total non-current liabilities</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLiabilities" xlink:to="lab_ifrs-full_NoncurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClosingForeignExchangeRate_019fc94a-c9d9-7776-ac07-7a84cede9536_terseLabel_en-US" xlink:label="lab_ifrs-full_ClosingForeignExchangeRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Final rate</link:label>
    <link:label id="lab_ifrs-full_ClosingForeignExchangeRate_label_en-US" xlink:label="lab_ifrs-full_ClosingForeignExchangeRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Closing foreign exchange rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClosingForeignExchangeRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClosingForeignExchangeRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClosingForeignExchangeRate" xlink:to="lab_ifrs-full_ClosingForeignExchangeRate" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AmountPaidAbstract_019fc94a-c9db-754a-9293-42a08b35f931_terseLabel_en-US" xlink:label="lab_azul_AmountPaidAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value</link:label>
    <link:label id="lab_azul_AmountPaidAbstract_label_en-US" xlink:label="lab_azul_AmountPaidAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount Paid [Abstract]</link:label>
    <link:label id="lab_azul_AmountPaidAbstract_documentation_en-US" xlink:label="lab_azul_AmountPaidAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AmountPaidAbstract" xlink:href="azul-20260828.xsd#azul_AmountPaidAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AmountPaidAbstract" xlink:to="lab_azul_AmountPaidAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashCompensationOfAccountsPayable_019fc94a-c9dc-70ad-b49f-ddae77801910_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashCompensationOfAccountsPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compensation of accounts payable</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashCompensationOfAccountsPayable_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashCompensationOfAccountsPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Compensation Of Accounts Payable</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashCompensationOfAccountsPayable_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashCompensationOfAccountsPayable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Compensation Of Accounts Payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughNoncashCompensationOfAccountsPayable" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughNoncashCompensationOfAccountsPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughNoncashCompensationOfAccountsPayable" xlink:to="lab_azul_IncreaseDecreaseThroughNoncashCompensationOfAccountsPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_019fef0c-dda0-7546-96bc-d25b9c60e66b_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares issued</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_019fc94a-c9db-734b-b686-7790f167a20b_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Shares issued beginning balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_019fc94a-c9db-7d4b-aa54-9f06bb6116ce_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Shares issued ending balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_label_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of shares issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesIssued" xlink:to="lab_ifrs-full_NumberOfSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AllowanceForWithheldTaxesLosses_019fc94a-c9d9-75c0-86b0-ed1a0ddc51b3_terseLabel_en-US" xlink:label="lab_azul_AllowanceForWithheldTaxesLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for loss</link:label>
    <link:label id="lab_azul_AllowanceForWithheldTaxesLosses_label_en-US" xlink:label="lab_azul_AllowanceForWithheldTaxesLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance for withheld taxes losses</link:label>
    <link:label id="lab_azul_AllowanceForWithheldTaxesLosses_documentation_en-US" xlink:label="lab_azul_AllowanceForWithheldTaxesLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Allowance for withheld taxes losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AllowanceForWithheldTaxesLosses" xlink:href="azul-20260828.xsd#azul_AllowanceForWithheldTaxesLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AllowanceForWithheldTaxesLosses" xlink:to="lab_azul_AllowanceForWithheldTaxesLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain_019fc94a-c9da-74c8-804a-1b7df913e472_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits</link:label>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:to="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_GrossCarryingAmountNetOfAccumulatedDepreciationAndAmortisationMember_019fc94a-c9da-745c-98f7-caf64f1973d6_verboseLabel_en-US" xlink:label="lab_azul_GrossCarryingAmountNetOfAccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Right-of-use assets, net</link:label>
    <link:label id="lab_azul_GrossCarryingAmountNetOfAccumulatedDepreciationAndAmortisationMember_label_en-US" xlink:label="lab_azul_GrossCarryingAmountNetOfAccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross carrying amount, net of accumulated depreciation and amortisation [Member]</link:label>
    <link:label id="lab_azul_GrossCarryingAmountNetOfAccumulatedDepreciationAndAmortisationMember_documentation_en-US" xlink:label="lab_azul_GrossCarryingAmountNetOfAccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gross carrying amount, net of accumulated depreciation and amortisation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_GrossCarryingAmountNetOfAccumulatedDepreciationAndAmortisationMember" xlink:href="azul-20260828.xsd#azul_GrossCarryingAmountNetOfAccumulatedDepreciationAndAmortisationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_GrossCarryingAmountNetOfAccumulatedDepreciationAndAmortisationMember" xlink:to="lab_azul_GrossCarryingAmountNetOfAccumulatedDepreciationAndAmortisationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember_019fc94a-c9da-7853-94fb-ece21509054a_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</link:label>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated depreciation and amortisation [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedDepreciationAndAmortisationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:to="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetainedEarningsMember_019fc94a-33e4-7bef-a982-656de306cdbc_terseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated losses</link:label>
    <link:label id="lab_ifrs-full_RetainedEarningsMember_label_en-US" xlink:label="lab_ifrs-full_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained earnings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarningsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarningsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarningsMember" xlink:to="lab_ifrs-full_RetainedEarningsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_MarkToMarketConvertibleInstrumentsTaxRateEffect_019feefc-95f9-7f3c-a395-35f6ff311ff6_terseLabel_en-US" xlink:label="lab_azul_MarkToMarketConvertibleInstrumentsTaxRateEffect" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mark to market of convertible instruments</link:label>
    <link:label id="lab_azul_MarkToMarketConvertibleInstrumentsTaxRateEffect_label_en-US" xlink:label="lab_azul_MarkToMarketConvertibleInstrumentsTaxRateEffect" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mark To Market Convertible Instruments, Tax Rate Effect</link:label>
    <link:label id="lab_azul_MarkToMarketConvertibleInstrumentsTaxRateEffect_documentation_en-US" xlink:label="lab_azul_MarkToMarketConvertibleInstrumentsTaxRateEffect" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mark To Market Convertible Instruments, Tax Rate Effect</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_MarkToMarketConvertibleInstrumentsTaxRateEffect" xlink:href="azul-20260828.xsd#azul_MarkToMarketConvertibleInstrumentsTaxRateEffect"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_MarkToMarketConvertibleInstrumentsTaxRateEffect" xlink:to="lab_azul_MarkToMarketConvertibleInstrumentsTaxRateEffect" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_019fc94a-c9dc-7ac7-8612-251662137dc6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">FINANCIAL RESULT</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of finance income (cost) [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_019fc94a-c9d9-7233-9f4c-b4325548265c_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2027</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_019fc94a-c9dc-77cd-8ec6-acb15fe8e2a0_verboseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Until 1 year</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one year and not later than two years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:to="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdvancesToSuppliersTable_019fc94a-c9d9-79ac-bbc8-68f439d5f9dc_terseLabel_en-US" xlink:label="lab_azul_AdvancesToSuppliersTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances to suppliers [Table]</link:label>
    <link:label id="lab_azul_AdvancesToSuppliersTable_label_en-US" xlink:label="lab_azul_AdvancesToSuppliersTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances to suppliers [Table]</link:label>
    <link:label id="lab_azul_AdvancesToSuppliersTable_documentation_en-US" xlink:label="lab_azul_AdvancesToSuppliersTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advances to suppliers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdvancesToSuppliersTable" xlink:href="azul-20260828.xsd#azul_AdvancesToSuppliersTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdvancesToSuppliersTable" xlink:to="lab_azul_AdvancesToSuppliersTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdjustmentsForDecreaseIncreaseInSecurityDepositsAndMaintenanceReserves_019fcdb1-8e31-752f-8762-391a6acd5990_terseLabel_en-US" xlink:label="lab_azul_AdjustmentsForDecreaseIncreaseInSecurityDepositsAndMaintenanceReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits</link:label>
    <link:label id="lab_azul_AdjustmentsForDecreaseIncreaseInSecurityDepositsAndMaintenanceReserves_label_en-US" xlink:label="lab_azul_AdjustmentsForDecreaseIncreaseInSecurityDepositsAndMaintenanceReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease increase in security deposits and maintenance reserves</link:label>
    <link:label id="lab_azul_AdjustmentsForDecreaseIncreaseInSecurityDepositsAndMaintenanceReserves_documentation_en-US" xlink:label="lab_azul_AdjustmentsForDecreaseIncreaseInSecurityDepositsAndMaintenanceReserves" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in security deposits and maintenance reserves to reconcile profit (loss) to net cash flow from (used in) operating activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdjustmentsForDecreaseIncreaseInSecurityDepositsAndMaintenanceReserves" xlink:href="azul-20260828.xsd#azul_AdjustmentsForDecreaseIncreaseInSecurityDepositsAndMaintenanceReserves"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdjustmentsForDecreaseIncreaseInSecurityDepositsAndMaintenanceReserves" xlink:to="lab_azul_AdjustmentsForDecreaseIncreaseInSecurityDepositsAndMaintenanceReserves" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Analysis of income and expense [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AnalysisOfIncomeAndExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:to="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_019fc94a-33e3-7060-a34a-553ddebb628f_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation and amortisation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationAndAmortisationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:to="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesLineItems_019fc94a-c9d9-7527-8a81-7a72b4a1c510_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of security deposits and maintenance reserves [Line Items]</link:label>
    <link:label id="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesLineItems_label_en-US" xlink:label="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of security deposits and maintenance reserves [Line Items]</link:label>
    <link:label id="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesLineItems_documentation_en-US" xlink:label="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of security deposits and maintenance reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesLineItems" xlink:href="azul-20260828.xsd#azul_DisclosureOfSecurityDepositsAndMaintenanceReservesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesLineItems" xlink:to="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_NumberOfSharesAbstract_019fc94a-c9db-7aae-98b1-00eaa4373e9a_terseLabel_en-US" xlink:label="lab_azul_NumberOfSharesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares</link:label>
    <link:label id="lab_azul_NumberOfSharesAbstract_label_en-US" xlink:label="lab_azul_NumberOfSharesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Shares [Abstract]</link:label>
    <link:label id="lab_azul_NumberOfSharesAbstract_documentation_en-US" xlink:label="lab_azul_NumberOfSharesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_NumberOfSharesAbstract" xlink:href="azul-20260828.xsd#azul_NumberOfSharesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_NumberOfSharesAbstract" xlink:to="lab_azul_NumberOfSharesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ProportionOfOwnershipInterestInEntityByParticipatingShareholder_019fc94a-c9db-7670-b26e-0ea2594b1352_terseLabel_en-US" xlink:label="lab_azul_ProportionOfOwnershipInterestInEntityByParticipatingShareholder" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proportion of ownership interest in entity by participating shareholder</link:label>
    <link:label id="lab_azul_ProportionOfOwnershipInterestInEntityByParticipatingShareholder_label_en-US" xlink:label="lab_azul_ProportionOfOwnershipInterestInEntityByParticipatingShareholder" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion of ownership interest in entity by participating shareholder</link:label>
    <link:label id="lab_azul_ProportionOfOwnershipInterestInEntityByParticipatingShareholder_documentation_en-US" xlink:label="lab_azul_ProportionOfOwnershipInterestInEntityByParticipatingShareholder" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proportion of ownership interest in entity by participating shareholder</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ProportionOfOwnershipInterestInEntityByParticipatingShareholder" xlink:href="azul-20260828.xsd#azul_ProportionOfOwnershipInterestInEntityByParticipatingShareholder"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ProportionOfOwnershipInterestInEntityByParticipatingShareholder" xlink:to="lab_azul_ProportionOfOwnershipInterestInEntityByParticipatingShareholder" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ConversionOfPreferredShares_019fef23-a3e1-7f15-b0ce-fe70cbb156dd_terseLabel_en-US" xlink:label="lab_azul_ConversionOfPreferredShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion of preferred shares</link:label>
    <link:label id="lab_azul_ConversionOfPreferredShares_label_en-US" xlink:label="lab_azul_ConversionOfPreferredShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Conversion of Preferred Shares</link:label>
    <link:label id="lab_azul_ConversionOfPreferredShares_documentation_en-US" xlink:label="lab_azul_ConversionOfPreferredShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Conversion of Preferred Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ConversionOfPreferredShares" xlink:href="azul-20260828.xsd#azul_ConversionOfPreferredShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ConversionOfPreferredShares" xlink:to="lab_azul_ConversionOfPreferredShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsDomain_019fc94a-c9d9-707a-a0a5-9d85a19ad5d3_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial assets [domain]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProvisionsAbstract_label_en-US" xlink:label="lab_ifrs-full_ProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProvisionsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProvisionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionsAbstract" xlink:to="lab_ifrs-full_ProvisionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CarryingAmountMember_019fc94a-c9d9-75d3-9a2d-2bef5325cfd9_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Book value</link:label>
    <link:label id="lab_ifrs-full_CarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Carrying amount [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountMember" xlink:to="lab_ifrs-full_CarryingAmountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ProvisionForInventoryLosses_019fc94a-c9d9-7097-a8b6-21b62f29bcb5_negatedTerseLabel_en-US" xlink:label="lab_azul_ProvisionForInventoryLosses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Provision for loss</link:label>
    <link:label id="lab_azul_ProvisionForInventoryLosses_019fc94a-c9d9-74ab-97c0-3a7c9a11f15f_negatedPeriodStartLabel_en-US" xlink:label="lab_azul_ProvisionForInventoryLosses" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xml:lang="en-US">Balances at the beginning of the period</link:label>
    <link:label id="lab_azul_ProvisionForInventoryLosses_019fc94a-c9d9-7743-b563-6929eaa9b545_negatedPeriodEndLabel_en-US" xlink:label="lab_azul_ProvisionForInventoryLosses" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xml:lang="en-US">Balances at the end of the period</link:label>
    <link:label id="lab_azul_ProvisionForInventoryLosses_label_en-US" xlink:label="lab_azul_ProvisionForInventoryLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for inventory losses</link:label>
    <link:label id="lab_azul_ProvisionForInventoryLosses_documentation_en-US" xlink:label="lab_azul_ProvisionForInventoryLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision for inventory losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ProvisionForInventoryLosses" xlink:href="azul-20260828.xsd#azul_ProvisionForInventoryLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ProvisionForInventoryLosses" xlink:to="lab_azul_ProvisionForInventoryLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialAssets_019fed38-8a71-7357-8513-1f9967ff5d54_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments</link:label>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current derivative financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentDerivativeFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentDerivativeFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentDerivativeFinancialAssets" xlink:to="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_EquityRollForward_019fc94a-c9db-7c14-be73-82b067f4880b_terseLabel_en-US" xlink:label="lab_azul_EquityRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity [Roll Forward]</link:label>
    <link:label id="lab_azul_EquityRollForward_label_en-US" xlink:label="lab_azul_EquityRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity [Roll Forward]</link:label>
    <link:label id="lab_azul_EquityRollForward_documentation_en-US" xlink:label="lab_azul_EquityRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_EquityRollForward" xlink:href="azul-20260828.xsd#azul_EquityRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_EquityRollForward" xlink:to="lab_azul_EquityRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TypeOfDeferredTaxesDomain_019fc94a-c9da-7924-a71a-a39d3abd1f46_terseLabel_en-US" xlink:label="lab_azul_TypeOfDeferredTaxesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type of deferred taxes [Domain]</link:label>
    <link:label id="lab_azul_TypeOfDeferredTaxesDomain_label_en-US" xlink:label="lab_azul_TypeOfDeferredTaxesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type of deferred taxes [Domain]</link:label>
    <link:label id="lab_azul_TypeOfDeferredTaxesDomain_documentation_en-US" xlink:label="lab_azul_TypeOfDeferredTaxesDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Type of deferred taxes [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TypeOfDeferredTaxesDomain" xlink:href="azul-20260828.xsd#azul_TypeOfDeferredTaxesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TypeOfDeferredTaxesDomain" xlink:to="lab_azul_TypeOfDeferredTaxesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromNoncurrentBorrowings_019fc94a-c9dc-78ef-bf69-060cfda55882_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from non-current borrowings</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromNoncurrentBorrowings_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from non-current borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromNoncurrentBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromNoncurrentBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromNoncurrentBorrowings" xlink:to="lab_ifrs-full_ProceedsFromNoncurrentBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherTaxesPayableMember_019fc94a-c9db-764e-bc09-6cd2c0566b32_terseLabel_en-US" xlink:label="lab_azul_OtherTaxesPayableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_azul_OtherTaxesPayableMember_label_en-US" xlink:label="lab_azul_OtherTaxesPayableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other taxes payable [Member]</link:label>
    <link:label id="lab_azul_OtherTaxesPayableMember_documentation_en-US" xlink:label="lab_azul_OtherTaxesPayableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other taxes payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherTaxesPayableMember" xlink:href="azul-20260828.xsd#azul_OtherTaxesPayableMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherTaxesPayableMember" xlink:to="lab_azul_OtherTaxesPayableMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_VariationOfForeignCurrencyTransactionsFinalRate_019fc94a-c9d9-7dda-8370-7ef6edead34f_terseLabel_en-US" xlink:label="lab_azul_VariationOfForeignCurrencyTransactionsFinalRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variation %</link:label>
    <link:label id="lab_azul_VariationOfForeignCurrencyTransactionsFinalRate_label_en-US" xlink:label="lab_azul_VariationOfForeignCurrencyTransactionsFinalRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variation of foreign currency transactions final rate</link:label>
    <link:label id="lab_azul_VariationOfForeignCurrencyTransactionsFinalRate_documentation_en-US" xlink:label="lab_azul_VariationOfForeignCurrencyTransactionsFinalRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Variation of foreign currency transactions final rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_VariationOfForeignCurrencyTransactionsFinalRate" xlink:href="azul-20260828.xsd#azul_VariationOfForeignCurrencyTransactionsFinalRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_VariationOfForeignCurrencyTransactionsFinalRate" xlink:to="lab_azul_VariationOfForeignCurrencyTransactionsFinalRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AppreciationBy10Member_019fc94a-c9dc-7167-9ac4-174233e79aa1_terseLabel_en-US" xlink:label="lab_azul_AppreciationBy10Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate appreciation by 10%</link:label>
    <link:label id="lab_azul_AppreciationBy10Member_label_en-US" xlink:label="lab_azul_AppreciationBy10Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Appreciation by 10% [Member]</link:label>
    <link:label id="lab_azul_AppreciationBy10Member_documentation_en-US" xlink:label="lab_azul_AppreciationBy10Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Appreciation by 10%</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AppreciationBy10Member" xlink:href="azul-20260828.xsd#azul_AppreciationBy10Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AppreciationBy10Member" xlink:to="lab_azul_AppreciationBy10Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RightofuseAssets_019fc94a-33e3-7c9f-b592-49634e1f8dbe_terseLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Right-of-use assets</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RightofuseAssets" xlink:to="lab_ifrs-full_RightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CapitalReserveMember_019fc94a-33e4-7881-af1c-6d9a68b959b8_terseLabel_en-US" xlink:label="lab_ifrs-full_CapitalReserveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital reserve</link:label>
    <link:label id="lab_ifrs-full_CapitalReserveMember_label_en-US" xlink:label="lab_ifrs-full_CapitalReserveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital reserve [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CapitalReserveMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CapitalReserveMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CapitalReserveMember" xlink:to="lab_ifrs-full_CapitalReserveMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfTreasuryShares_019fc94a-33e4-7ca0-8b7a-8f33fc17060c_negatedLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Shares disporal of</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfTreasuryShares_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase of treasury shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfTreasuryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfTreasuryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfTreasuryShares" xlink:to="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OperatingExpenseAbstract_019fc94a-33e3-70ac-a0cd-991dbae3a098_verboseLabel_en-US" xlink:label="lab_azul_OperatingExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Operating expenses</link:label>
    <link:label id="lab_azul_OperatingExpenseAbstract_label_en-US" xlink:label="lab_azul_OperatingExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Expense [abstract]</link:label>
    <link:label id="lab_azul_OperatingExpenseAbstract_documentation_en-US" xlink:label="lab_azul_OperatingExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating Expense [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OperatingExpenseAbstract" xlink:href="azul-20260828.xsd#azul_OperatingExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OperatingExpenseAbstract" xlink:to="lab_azul_OperatingExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents_019fc94a-c9d9-7be1-8b33-1c6bf7d584e3_terseLabel_en-US" xlink:label="lab_ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank Deposit Certificate &#8211; CDB</link:label>
    <link:label id="lab_ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term deposits, classified as cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents" xlink:to="lab_ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentInvestments_019fc94a-33e3-7017-b342-0f012761ac15_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term investments</link:label>
    <link:label id="lab_ifrs-full_CurrentInvestments_label_en-US" xlink:label="lab_ifrs-full_CurrentInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentInvestments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentInvestments" xlink:to="lab_ifrs-full_CurrentInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetAssetsLiabilities_019fc94a-c9dc-7c2f-b4a2-9191440c668a_totalLabel_en-US" xlink:label="lab_ifrs-full_NetAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net exposure</link:label>
    <link:label id="lab_ifrs-full_NetAssetsLiabilities_019fc94a-c9dc-7624-a563-90d935531b35_terseLabel_en-US" xlink:label="lab_ifrs-full_NetAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exposed assets (liabilities), net</link:label>
    <link:label id="lab_ifrs-full_NetAssetsLiabilities_label_en-US" xlink:label="lab_ifrs-full_NetAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets (liabilities)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetAssetsLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetAssetsLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetAssetsLiabilities" xlink:to="lab_ifrs-full_NetAssetsLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CreditCardCompaniesMember_019fc94a-c9d9-79cc-b92c-443700ad5d07_terseLabel_en-US" xlink:label="lab_azul_CreditCardCompaniesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit card companies</link:label>
    <link:label id="lab_azul_CreditCardCompaniesMember_label_en-US" xlink:label="lab_azul_CreditCardCompaniesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit card companies [Member]</link:label>
    <link:label id="lab_azul_CreditCardCompaniesMember_documentation_en-US" xlink:label="lab_azul_CreditCardCompaniesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit card companies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CreditCardCompaniesMember" xlink:href="azul-20260828.xsd#azul_CreditCardCompaniesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CreditCardCompaniesMember" xlink:to="lab_azul_CreditCardCompaniesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AirTrafficCargoToBeExecutedMember_019fc94a-c9db-7e90-b820-160e4041e561_terseLabel_en-US" xlink:label="lab_azul_AirTrafficCargoToBeExecutedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Air traffic cargo</link:label>
    <link:label id="lab_azul_AirTrafficCargoToBeExecutedMember_label_en-US" xlink:label="lab_azul_AirTrafficCargoToBeExecutedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Air traffic cargo to be executed [Member]</link:label>
    <link:label id="lab_azul_AirTrafficCargoToBeExecutedMember_documentation_en-US" xlink:label="lab_azul_AirTrafficCargoToBeExecutedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Air traffic cargo to be executed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AirTrafficCargoToBeExecutedMember" xlink:href="azul-20260828.xsd#azul_AirTrafficCargoToBeExecutedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AirTrafficCargoToBeExecutedMember" xlink:to="lab_azul_AirTrafficCargoToBeExecutedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember_019fc94a-c9dc-7ad9-abb4-3865040875a0_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets other than goodwill [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:to="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughWriteOffs_019fede4-b46e-7588-a8ba-431d224366a7_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughWriteOffs" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Write-offs</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughWriteOffs_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughWriteOffs" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Write-Offs</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughWriteOffs_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughWriteOffs" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Write-Offs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughWriteOffs" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughWriteOffs"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughWriteOffs" xlink:to="lab_azul_IncreaseDecreaseThroughWriteOffs" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesTable_019fc94a-c9d9-7a3f-ae01-abbdc6987ee2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of changes in accounting estimates [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of changes in accounting estimates [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfChangesInAccountingEstimatesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfChangesInAccountingEstimatesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfChangesInAccountingEstimatesTable" xlink:to="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory_019fc94a-c9dc-7e08-9c78-fc4341ce138a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Revenue by Geographical Location</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of geographical areas [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGeographicalAreasExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:to="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_019fc94a-33e3-7781-84b1-faa23def8399_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income to be reclassified to profit or loss in subsequent periods:</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:to="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativesMember_019fc94a-c9dc-727e-9783-4e701a51bd55_terseLabel_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible debt instruments</link:label>
    <link:label id="lab_ifrs-full_DerivativesMember_019fc94a-c9dc-7b1e-9f26-f622f8f2e027_verboseLabel_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments</link:label>
    <link:label id="lab_ifrs-full_DerivativesMember_label_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativesMember" xlink:to="lab_ifrs-full_DerivativesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValue_019fc94a-c9d9-7782-97a2-6dd4645a1e5d_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment funds</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValue_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets, at fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValue" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_RestorationMember_019fc94a-c9da-7af8-9e62-0857aaa07c1f_terseLabel_en-US" xlink:label="lab_azul_RestorationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restorations</link:label>
    <link:label id="lab_azul_RestorationMember_label_en-US" xlink:label="lab_azul_RestorationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restoration [Member]</link:label>
    <link:label id="lab_azul_RestorationMember_documentation_en-US" xlink:label="lab_azul_RestorationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restoration</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_RestorationMember" xlink:href="azul-20260828.xsd#azul_RestorationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_RestorationMember" xlink:to="lab_azul_RestorationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfSubsequentEventsAbstract_label_en-US" xlink:label="lab_azul_DisclosureOfSubsequentEventsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of subsequent events [Abstract]</link:label>
    <link:label id="lab_azul_DisclosureOfSubsequentEventsAbstract_documentation_en-US" xlink:label="lab_azul_DisclosureOfSubsequentEventsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of subsequent events</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfSubsequentEventsAbstract" xlink:href="azul-20260828.xsd#azul_DisclosureOfSubsequentEventsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfSubsequentEventsAbstract" xlink:to="lab_azul_DisclosureOfSubsequentEventsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashCapitalIncrease_019fc94a-c9dc-781f-99cf-f15b04c7533e_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashCapitalIncrease" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital increase</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashCapitalIncrease_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashCapitalIncrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Capital Increase</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashCapitalIncrease_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashCapitalIncrease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Capital Increase</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughNoncashCapitalIncrease" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughNoncashCapitalIncrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughNoncashCapitalIncrease" xlink:to="lab_azul_IncreaseDecreaseThroughNoncashCapitalIncrease" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_019fc94a-c9da-75d4-b773-c38c2a74c4bc_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities [axis]</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:to="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AveragePriceOfHedgingInstrument_019fc94a-c9dc-7724-bd5c-03494d1eb895_terseLabel_en-US" xlink:label="lab_ifrs-full_AveragePriceOfHedgingInstrument" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Price (in usd per share)</link:label>
    <link:label id="lab_ifrs-full_AveragePriceOfHedgingInstrument_label_en-US" xlink:label="lab_ifrs-full_AveragePriceOfHedgingInstrument" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average price of hedging instrument</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AveragePriceOfHedgingInstrument" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AveragePriceOfHedgingInstrument"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AveragePriceOfHedgingInstrument" xlink:to="lab_ifrs-full_AveragePriceOfHedgingInstrument" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ShareholdersDomain_019fc94a-c9db-7eb4-a678-9161369045d0_terseLabel_en-US" xlink:label="lab_azul_ShareholdersDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shareholders [Domain]</link:label>
    <link:label id="lab_azul_ShareholdersDomain_label_en-US" xlink:label="lab_azul_ShareholdersDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shareholders [Domain]</link:label>
    <link:label id="lab_azul_ShareholdersDomain_documentation_en-US" xlink:label="lab_azul_ShareholdersDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shareholders [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ShareholdersDomain" xlink:href="azul-20260828.xsd#azul_ShareholdersDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ShareholdersDomain" xlink:to="lab_azul_ShareholdersDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherAssetsInsurances_019fc94a-c9da-7a3b-8930-da93874c5f84_terseLabel_en-US" xlink:label="lab_azul_OtherAssetsInsurances" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insurance</link:label>
    <link:label id="lab_azul_OtherAssetsInsurances_label_en-US" xlink:label="lab_azul_OtherAssetsInsurances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other assets, insurances</link:label>
    <link:label id="lab_azul_OtherAssetsInsurances_documentation_en-US" xlink:label="lab_azul_OtherAssetsInsurances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other assets, insurances</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherAssetsInsurances" xlink:href="azul-20260828.xsd#azul_OtherAssetsInsurances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherAssetsInsurances" xlink:to="lab_azul_OtherAssetsInsurances" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TheMovementOfTheProvisionForLossesOnAdvancesFromSuppliersTableTextBlock_019fc94a-c9d9-7b3e-9274-defb4718364a_terseLabel_en-US" xlink:label="lab_azul_TheMovementOfTheProvisionForLossesOnAdvancesFromSuppliersTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Provision for Losses on Advances From Suppliers</link:label>
    <link:label id="lab_azul_TheMovementOfTheProvisionForLossesOnAdvancesFromSuppliersTableTextBlock_label_en-US" xlink:label="lab_azul_TheMovementOfTheProvisionForLossesOnAdvancesFromSuppliersTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The movement of the provision for losses on advances from suppliers [Table Text Block]</link:label>
    <link:label id="lab_azul_TheMovementOfTheProvisionForLossesOnAdvancesFromSuppliersTableTextBlock_documentation_en-US" xlink:label="lab_azul_TheMovementOfTheProvisionForLossesOnAdvancesFromSuppliersTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The movement of the provision for losses on advances from suppliers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TheMovementOfTheProvisionForLossesOnAdvancesFromSuppliersTableTextBlock" xlink:href="azul-20260828.xsd#azul_TheMovementOfTheProvisionForLossesOnAdvancesFromSuppliersTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TheMovementOfTheProvisionForLossesOnAdvancesFromSuppliersTableTextBlock" xlink:to="lab_azul_TheMovementOfTheProvisionForLossesOnAdvancesFromSuppliersTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OperatingExpense_019fc94a-33e3-7a8d-82fd-34d2dc281cfa_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_OperatingExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total operating expenses</link:label>
    <link:label id="lab_ifrs-full_OperatingExpense_label_en-US" xlink:label="lab_ifrs-full_OperatingExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OperatingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OperatingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingExpense" xlink:to="lab_ifrs-full_OperatingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_019fc94a-33e3-71fe-9a0c-640affbe3ad5_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of share capital [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of share capital [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:to="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable_019fc94a-c9db-7412-8faf-f608da1397cc_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of fair value measurement of liabilities [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fair value measurement of liabilities [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IssuanceOfSharesEROCapitalReserveMember_019ffba6-b64c-7106-a766-c8e87caff423_terseLabel_en-US" xlink:label="lab_azul_IssuanceOfSharesEROCapitalReserveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance of shares &#8211; ERO &#8211; Capital reserve</link:label>
    <link:label id="lab_azul_IssuanceOfSharesEROCapitalReserveMember_label_en-US" xlink:label="lab_azul_IssuanceOfSharesEROCapitalReserveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issuance of shares &#8211; ERO &#8211; Capital reserve [Member]</link:label>
    <link:label id="lab_azul_IssuanceOfSharesEROCapitalReserveMember_documentation_en-US" xlink:label="lab_azul_IssuanceOfSharesEROCapitalReserveMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Issuance of shares &#8211; ERO &#8211; Capital reserve</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IssuanceOfSharesEROCapitalReserveMember" xlink:href="azul-20260828.xsd#azul_IssuanceOfSharesEROCapitalReserveMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IssuanceOfSharesEROCapitalReserveMember" xlink:to="lab_azul_IssuanceOfSharesEROCapitalReserveMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfConsolidationExplanatory_019fc94a-c9d9-777c-9740-462eb61ebd7a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfConsolidationExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidation</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfConsolidationExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfConsolidationExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of basis of consolidation [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBasisOfConsolidationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBasisOfConsolidationExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBasisOfConsolidationExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBasisOfConsolidationExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Equity_019fcd7a-d87a-7759-bf0e-bf6caffabe6c_totalLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_ifrs-full_Equity_019fc94a-33e4-72f3-b3c9-37fe3f78a843_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_Equity_019fc94a-33e4-764e-a26c-d369a1ee5697_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_ifrs-full_Equity_019fc94a-c9d9-7d0f-9cf9-ddc618628234_terseLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_ifrs-full_Equity_label_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Equity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Equity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Equity" xlink:to="lab_ifrs-full_Equity" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseInCommodityPriceVariationDueToReasonablyPossibleIncreaseInDesignatedRiskComponent_019fc94a-c9dc-718d-a0df-6794946c3479_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseInCommodityPriceVariationDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect on profit or loss</link:label>
    <link:label id="lab_azul_IncreaseDecreaseInCommodityPriceVariationDueToReasonablyPossibleIncreaseInDesignatedRiskComponent_label_en-US" xlink:label="lab_azul_IncreaseDecreaseInCommodityPriceVariationDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in commodity price variation due to reasonably possible increase in designated risk component</link:label>
    <link:label id="lab_azul_IncreaseDecreaseInCommodityPriceVariationDueToReasonablyPossibleIncreaseInDesignatedRiskComponent_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseInCommodityPriceVariationDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (decrease) in commodity price variation due to reasonably possible increase in designated risk component</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseInCommodityPriceVariationDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseInCommodityPriceVariationDueToReasonablyPossibleIncreaseInDesignatedRiskComponent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseInCommodityPriceVariationDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" xlink:to="lab_azul_IncreaseDecreaseInCommodityPriceVariationDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TaxTransaction_019fc94a-c9db-7b72-a368-2ca459c8f8d8_terseLabel_en-US" xlink:label="lab_azul_TaxTransaction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax transaction</link:label>
    <link:label id="lab_azul_TaxTransaction_label_en-US" xlink:label="lab_azul_TaxTransaction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax transaction</link:label>
    <link:label id="lab_azul_TaxTransaction_documentation_en-US" xlink:label="lab_azul_TaxTransaction" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax transaction</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TaxTransaction" xlink:href="azul-20260828.xsd#azul_TaxTransaction"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TaxTransaction" xlink:to="lab_azul_TaxTransaction" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_019fc94a-33e3-742c-b79b-3452741ae2b5_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property and equipment</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_019fc94a-c9da-7677-9508-5bcd80cd12a7_periodStartLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance, beginning of period</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_019fc94a-c9da-725e-acaa-6dd91c45fb0a_periodEndLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance, end of period</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="lab_ifrs-full_PropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCommitmentsExplanatory_019fc94a-c9dc-75e2-8697-52eda4f498ca_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">COMMITMENTS</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCommitmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of commitments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCommitmentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughFairValueOfSharesIssued_019fc94a-33e4-7047-a246-8ffd64af1ef0_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughFairValueOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect of fair value of shares issued</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughFairValueOfSharesIssued_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughFairValueOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Fair Value Of Shares Issued</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughFairValueOfSharesIssued_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughFairValueOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Fair Value Of Shares Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughFairValueOfSharesIssued" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughFairValueOfSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughFairValueOfSharesIssued" xlink:to="lab_azul_IncreaseDecreaseThroughFairValueOfSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DerivativeFinancialInstrumentsMember_019fc94a-c9da-781c-a3d2-cbe586a289a7_terseLabel_en-US" xlink:label="lab_azul_DerivativeFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial instruments</link:label>
    <link:label id="lab_azul_DerivativeFinancialInstrumentsMember_label_en-US" xlink:label="lab_azul_DerivativeFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative financial instruments [Member]</link:label>
    <link:label id="lab_azul_DerivativeFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_azul_DerivativeFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative financial instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DerivativeFinancialInstrumentsMember" xlink:href="azul-20260828.xsd#azul_DerivativeFinancialInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DerivativeFinancialInstrumentsMember" xlink:to="lab_azul_DerivativeFinancialInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TotalOfGrantedShares_019fc94a-c9dc-73fa-8f30-c9ed0fc62de7_terseLabel_en-US" xlink:label="lab_azul_TotalOfGrantedShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total granted (in shares)</link:label>
    <link:label id="lab_azul_TotalOfGrantedShares_label_en-US" xlink:label="lab_azul_TotalOfGrantedShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total of Granted Shares</link:label>
    <link:label id="lab_azul_TotalOfGrantedShares_documentation_en-US" xlink:label="lab_azul_TotalOfGrantedShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total of Granted Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TotalOfGrantedShares" xlink:href="azul-20260828.xsd#azul_TotalOfGrantedShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TotalOfGrantedShares" xlink:to="lab_azul_TotalOfGrantedShares" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TotalOfBreakdownOfSecurity_019fc94a-c9d9-7535-b80b-66ecace63558_periodStartLabel_en-US" xlink:label="lab_azul_TotalOfBreakdownOfSecurity" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balances at the beginning of the period</link:label>
    <link:label id="lab_azul_TotalOfBreakdownOfSecurity_019fc94a-c9d9-7285-9531-691d2eca7627_periodEndLabel_en-US" xlink:label="lab_azul_TotalOfBreakdownOfSecurity" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balances at the end of the period</link:label>
    <link:label id="lab_azul_TotalOfBreakdownOfSecurity_label_en-US" xlink:label="lab_azul_TotalOfBreakdownOfSecurity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total of breakdown of security</link:label>
    <link:label id="lab_azul_TotalOfBreakdownOfSecurity_documentation_en-US" xlink:label="lab_azul_TotalOfBreakdownOfSecurity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total of breakdown of security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TotalOfBreakdownOfSecurity" xlink:href="azul-20260828.xsd#azul_TotalOfBreakdownOfSecurity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TotalOfBreakdownOfSecurity" xlink:to="lab_azul_TotalOfBreakdownOfSecurity" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ShortTermTimeDepositClassifiedAsCashEquivalents_019fc94a-c9d9-787f-bd03-f34dadef2c28_terseLabel_en-US" xlink:label="lab_azul_ShortTermTimeDepositClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Time Deposit</link:label>
    <link:label id="lab_azul_ShortTermTimeDepositClassifiedAsCashEquivalents_label_en-US" xlink:label="lab_azul_ShortTermTimeDepositClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term time deposit, classified as cash equivalents</link:label>
    <link:label id="lab_azul_ShortTermTimeDepositClassifiedAsCashEquivalents_documentation_en-US" xlink:label="lab_azul_ShortTermTimeDepositClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Short-term time deposit, classified as cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ShortTermTimeDepositClassifiedAsCashEquivalents" xlink:href="azul-20260828.xsd#azul_ShortTermTimeDepositClassifiedAsCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ShortTermTimeDepositClassifiedAsCashEquivalents" xlink:to="lab_azul_ShortTermTimeDepositClassifiedAsCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherCurrentLiabilities_019fc94a-33e3-73ba-8138-c83d34ec6dbd_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_ifrs-full_OtherCurrentLiabilities_019fc94a-c9db-740b-9425-7a64207207d7_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_OtherCurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentLiabilities" xlink:to="lab_ifrs-full_OtherCurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherAssets_019fc94a-c9da-7902-a84e-40cf1942f8c6_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_OtherAssets_label_en-US" xlink:label="lab_ifrs-full_OtherAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAssets" xlink:to="lab_ifrs-full_OtherAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_019fc94a-c9da-7781-8594-c95de8b4892b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property and equipment [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ContractualModifications_019fef1b-92ee-7046-8aca-b492aa9da968_terseLabel_en-US" xlink:label="lab_azul_ContractualModifications" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Modifications</link:label>
    <link:label id="lab_azul_ContractualModifications_label_en-US" xlink:label="lab_azul_ContractualModifications" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Modifications</link:label>
    <link:label id="lab_azul_ContractualModifications_documentation_en-US" xlink:label="lab_azul_ContractualModifications" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contractual Modifications</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ContractualModifications" xlink:href="azul-20260828.xsd#azul_ContractualModifications"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ContractualModifications" xlink:to="lab_azul_ContractualModifications" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ApplicableTaxRateSocialContributionTaxCSLL_019ff2b0-4036-7516-8540-fd9862ade772_negatedTerseLabel_en-US" xlink:label="lab_azul_ApplicableTaxRateSocialContributionTaxCSLL" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Applicable tax rate, social contribution tax CSLL</link:label>
    <link:label id="lab_azul_ApplicableTaxRateSocialContributionTaxCSLL_019fc94a-c9da-7579-8391-8139fedfa33e_terseLabel_en-US" xlink:label="lab_azul_ApplicableTaxRateSocialContributionTaxCSLL" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Applicable tax rate, social contribution tax CSLL</link:label>
    <link:label id="lab_azul_ApplicableTaxRateSocialContributionTaxCSLL_label_en-US" xlink:label="lab_azul_ApplicableTaxRateSocialContributionTaxCSLL" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Applicable tax rate, social contribution tax CSLL</link:label>
    <link:label id="lab_azul_ApplicableTaxRateSocialContributionTaxCSLL_documentation_en-US" xlink:label="lab_azul_ApplicableTaxRateSocialContributionTaxCSLL" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Applicable tax rate, social contribution tax CSLL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ApplicableTaxRateSocialContributionTaxCSLL" xlink:href="azul-20260828.xsd#azul_ApplicableTaxRateSocialContributionTaxCSLL"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ApplicableTaxRateSocialContributionTaxCSLL" xlink:to="lab_azul_ApplicableTaxRateSocialContributionTaxCSLL" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LeaseWithoutPurchaseOptionOthersMember_019fc94a-c9da-7466-a20e-39490a68e140_terseLabel_en-US" xlink:label="lab_azul_LeaseWithoutPurchaseOptionOthersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_azul_LeaseWithoutPurchaseOptionOthersMember_label_en-US" xlink:label="lab_azul_LeaseWithoutPurchaseOptionOthersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease without purchase option: Others [Member]</link:label>
    <link:label id="lab_azul_LeaseWithoutPurchaseOptionOthersMember_documentation_en-US" xlink:label="lab_azul_LeaseWithoutPurchaseOptionOthersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lease without purchase option: Others</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LeaseWithoutPurchaseOptionOthersMember" xlink:href="azul-20260828.xsd#azul_LeaseWithoutPurchaseOptionOthersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LeaseWithoutPurchaseOptionOthersMember" xlink:to="lab_azul_LeaseWithoutPurchaseOptionOthersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CurrentInvestmentLossWriteOffs_019feef8-afee-7a01-8609-1c5e9a83bc58_negatedTerseLabel_en-US" xlink:label="lab_azul_CurrentInvestmentLossWriteOffs" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Write-offs</link:label>
    <link:label id="lab_azul_CurrentInvestmentLossWriteOffs_label_en-US" xlink:label="lab_azul_CurrentInvestmentLossWriteOffs" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Investment Loss, Write-offs</link:label>
    <link:label id="lab_azul_CurrentInvestmentLossWriteOffs_documentation_en-US" xlink:label="lab_azul_CurrentInvestmentLossWriteOffs" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current Investment Loss, Write-offs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CurrentInvestmentLossWriteOffs" xlink:href="azul-20260828.xsd#azul_CurrentInvestmentLossWriteOffs"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CurrentInvestmentLossWriteOffs" xlink:to="lab_azul_CurrentInvestmentLossWriteOffs" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level2OfFairValueHierarchyMember_019fc94a-c9dc-7643-b328-62169dac81f1_terseLabel_en-US" xlink:label="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 2</link:label>
    <link:label id="lab_ifrs-full_Level2OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Level 2 of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level2OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level2OfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level2OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TemporaryDifferencesLiabilitiesMember_019fc94a-c9da-70e8-a5db-35cf91a44c58_terseLabel_en-US" xlink:label="lab_azul_TemporaryDifferencesLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_azul_TemporaryDifferencesLiabilitiesMember_label_en-US" xlink:label="lab_azul_TemporaryDifferencesLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary differences liabilities [Member]</link:label>
    <link:label id="lab_azul_TemporaryDifferencesLiabilitiesMember_documentation_en-US" xlink:label="lab_azul_TemporaryDifferencesLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Temporary differences liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TemporaryDifferencesLiabilitiesMember" xlink:href="azul-20260828.xsd#azul_TemporaryDifferencesLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TemporaryDifferencesLiabilitiesMember" xlink:to="lab_azul_TemporaryDifferencesLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SalesAndMarketingExpense_019fc94a-33e3-71fd-97a1-a8e068b01c89_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_SalesAndMarketingExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Selling expenses</link:label>
    <link:label id="lab_ifrs-full_SalesAndMarketingExpense_label_en-US" xlink:label="lab_ifrs-full_SalesAndMarketingExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales and marketing expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SalesAndMarketingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SalesAndMarketingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SalesAndMarketingExpense" xlink:to="lab_ifrs-full_SalesAndMarketingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForProvisions_019fcdb1-8e31-7a51-8344-3f0649e245d7_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions, net</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForProvisions_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForProvisions" xlink:to="lab_ifrs-full_AdjustmentsForProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_PaymentsToAcquireOrRedeemEntitysSharesAdjusted_019ffb7f-fd25-74c7-9e09-83f55a920cc5_negatedTerseLabel_en-US" xlink:label="lab_azul_PaymentsToAcquireOrRedeemEntitysSharesAdjusted" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Treasury shares</link:label>
    <link:label id="lab_azul_PaymentsToAcquireOrRedeemEntitysSharesAdjusted_label_en-US" xlink:label="lab_azul_PaymentsToAcquireOrRedeemEntitysSharesAdjusted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments To Acquire Or Redeem Entity's Shares, Adjusted</link:label>
    <link:label id="lab_azul_PaymentsToAcquireOrRedeemEntitysSharesAdjusted_documentation_en-US" xlink:label="lab_azul_PaymentsToAcquireOrRedeemEntitysSharesAdjusted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payments To Acquire Or Redeem Entity's Shares, Adjusted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_PaymentsToAcquireOrRedeemEntitysSharesAdjusted" xlink:href="azul-20260828.xsd#azul_PaymentsToAcquireOrRedeemEntitysSharesAdjusted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_PaymentsToAcquireOrRedeemEntitysSharesAdjusted" xlink:to="lab_azul_PaymentsToAcquireOrRedeemEntitysSharesAdjusted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems_019fc94a-c9d9-7144-9444-3860276bbae7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of changes in accounting estimates [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of changes in accounting estimates [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" xlink:to="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_019fc94a-c9da-79ca-a337-84a4176e329c_periodStartLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance in the beginning of the period</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_019fc94a-c9da-74e6-8b64-dd2f3fccd33a_periodEndLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balances at the end of the period</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_019ff130-4e23-7986-ac83-9c7808448600_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax liability (asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxLiabilityAsset" xlink:to="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DefferedLiabilitiesMember_019fc94a-c9da-770c-92f6-80e4471f96d5_terseLabel_en-US" xlink:label="lab_azul_DefferedLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred liabilities</link:label>
    <link:label id="lab_azul_DefferedLiabilitiesMember_label_en-US" xlink:label="lab_azul_DefferedLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deffered liabilities [Member]</link:label>
    <link:label id="lab_azul_DefferedLiabilitiesMember_documentation_en-US" xlink:label="lab_azul_DefferedLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deffered liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DefferedLiabilitiesMember" xlink:href="azul-20260828.xsd#azul_DefferedLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DefferedLiabilitiesMember" xlink:to="lab_azul_DefferedLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLiabilities_019fc94a-33e3-7097-8300-a1678476372a_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilities" xlink:to="lab_ifrs-full_CurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_MaintenanceReserveReceivableMember_019fc94a-c9d9-7a0b-96ef-428f7459a1a7_terseLabel_en-US" xlink:label="lab_azul_MaintenanceReserveReceivableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reimbursement receivable for maintenance reserves</link:label>
    <link:label id="lab_azul_MaintenanceReserveReceivableMember_label_en-US" xlink:label="lab_azul_MaintenanceReserveReceivableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maintenance reserve receivable [Member]</link:label>
    <link:label id="lab_azul_MaintenanceReserveReceivableMember_documentation_en-US" xlink:label="lab_azul_MaintenanceReserveReceivableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maintenance reserve receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_MaintenanceReserveReceivableMember" xlink:href="azul-20260828.xsd#azul_MaintenanceReserveReceivableMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_MaintenanceReserveReceivableMember" xlink:to="lab_azul_MaintenanceReserveReceivableMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherReceivablesAbstract_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherReceivablesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other receivables [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherReceivablesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherReceivablesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherReceivablesAbstract" xlink:to="lab_ifrs-full_TradeAndOtherReceivablesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InterestPaidLease_019fcdb1-8e32-7499-930e-a1ce93488ba6_negatedTerseLabel_en-US" xlink:label="lab_azul_InterestPaidLease" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Leases</link:label>
    <link:label id="lab_azul_InterestPaidLease_label_en-US" xlink:label="lab_azul_InterestPaidLease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest paid, lease</link:label>
    <link:label id="lab_azul_InterestPaidLease_documentation_en-US" xlink:label="lab_azul_InterestPaidLease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest paid, lease</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InterestPaidLease" xlink:href="azul-20260828.xsd#azul_InterestPaidLease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InterestPaidLease" xlink:to="lab_azul_InterestPaidLease" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_UtilizationInBreakdownOfSecurity_019fc94a-c9d9-7c40-8db5-9c5202817ef8_terseLabel_en-US" xlink:label="lab_azul_UtilizationInBreakdownOfSecurity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Utilization</link:label>
    <link:label id="lab_azul_UtilizationInBreakdownOfSecurity_label_en-US" xlink:label="lab_azul_UtilizationInBreakdownOfSecurity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Utilization in breakdown of security</link:label>
    <link:label id="lab_azul_UtilizationInBreakdownOfSecurity_documentation_en-US" xlink:label="lab_azul_UtilizationInBreakdownOfSecurity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Utilization in breakdown of security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_UtilizationInBreakdownOfSecurity" xlink:href="azul-20260828.xsd#azul_UtilizationInBreakdownOfSecurity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_UtilizationInBreakdownOfSecurity" xlink:to="lab_azul_UtilizationInBreakdownOfSecurity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Inventories_019fc94a-33e3-7a84-b234-ac35da2d711d_terseLabel_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_Inventories_019fc94a-c9d9-7ebc-9f78-a1065bc5f849_totalLabel_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total net</link:label>
    <link:label id="lab_ifrs-full_Inventories_label_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Inventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Inventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Inventories" xlink:to="lab_ifrs-full_Inventories" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLossLocalCurrency_019fc94a-c9d9-7f17-92d3-2623ad3679d4_terseLabel_en-US" xlink:label="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLossLocalCurrency" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total local currency</link:label>
    <link:label id="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLossLocalCurrency_label_en-US" xlink:label="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLossLocalCurrency" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade And Other Receivables Before Provision For Loss, Local Currency</link:label>
    <link:label id="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLossLocalCurrency_documentation_en-US" xlink:label="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLossLocalCurrency" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trade And Other Receivables Before Provision For Loss, Local Currency</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TradeAndOtherReceivablesBeforeProvisionForLossLocalCurrency" xlink:href="azul-20260828.xsd#azul_TradeAndOtherReceivablesBeforeProvisionForLossLocalCurrency"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TradeAndOtherReceivablesBeforeProvisionForLossLocalCurrency" xlink:to="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLossLocalCurrency" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationRatePropertyPlantAndEquipment_019fc94a-c9da-7b1b-be0a-b2c009d675f9_terseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationRatePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average rate (p.a.)</link:label>
    <link:label id="lab_ifrs-full_DepreciationRatePropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_DepreciationRatePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation rate, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationRatePropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationRatePropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationRatePropertyPlantAndEquipment" xlink:to="lab_ifrs-full_DepreciationRatePropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_019fc94a-c9da-78f2-9d73-4f079fc1b404_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ValueOfImmediateLiquidity_019fc94a-c9da-7faf-bbfa-cedfaa760776_terseLabel_en-US" xlink:label="lab_azul_ValueOfImmediateLiquidity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value of immediate liquidity</link:label>
    <link:label id="lab_azul_ValueOfImmediateLiquidity_label_en-US" xlink:label="lab_azul_ValueOfImmediateLiquidity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Value of immediate liquidity</link:label>
    <link:label id="lab_azul_ValueOfImmediateLiquidity_documentation_en-US" xlink:label="lab_azul_ValueOfImmediateLiquidity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Value of immediate liquidity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ValueOfImmediateLiquidity" xlink:href="azul-20260828.xsd#azul_ValueOfImmediateLiquidity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ValueOfImmediateLiquidity" xlink:to="lab_azul_ValueOfImmediateLiquidity" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_UnrecognisedDeferredTax_019fef02-d087-7c34-9648-3505cb268cef_terseLabel_en-US" xlink:label="lab_azul_UnrecognisedDeferredTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized deferred tax asset</link:label>
    <link:label id="lab_azul_UnrecognisedDeferredTax_label_en-US" xlink:label="lab_azul_UnrecognisedDeferredTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecognised Deferred Tax</link:label>
    <link:label id="lab_azul_UnrecognisedDeferredTax_documentation_en-US" xlink:label="lab_azul_UnrecognisedDeferredTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unrecognised Deferred Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_UnrecognisedDeferredTax" xlink:href="azul-20260828.xsd#azul_UnrecognisedDeferredTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_UnrecognisedDeferredTax" xlink:to="lab_azul_UnrecognisedDeferredTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:to="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BlackBarnMember_019fd8c3-d545-796b-9ee0-b22e1e13bbb9_terseLabel_en-US" xlink:label="lab_azul_BlackBarnMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BlackBarn</link:label>
    <link:label id="lab_azul_BlackBarnMember_label_en-US" xlink:label="lab_azul_BlackBarnMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BlackBarn [Member]</link:label>
    <link:label id="lab_azul_BlackBarnMember_documentation_en-US" xlink:label="lab_azul_BlackBarnMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BlackBarn</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BlackBarnMember" xlink:href="azul-20260828.xsd#azul_BlackBarnMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BlackBarnMember" xlink:to="lab_azul_BlackBarnMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetainedEarnings_019fc94a-33e3-7d23-9be4-7862c3b5c8b7_terseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated losses</link:label>
    <link:label id="lab_ifrs-full_RetainedEarnings_label_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarnings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarnings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarnings" xlink:to="lab_ifrs-full_RetainedEarnings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MeasurementDomain_019fc94a-c9dc-7565-a9a7-69a047eca47c_terseLabel_en-US" xlink:label="lab_ifrs-full_MeasurementDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement [domain]</link:label>
    <link:label id="lab_ifrs-full_MeasurementDomain_label_en-US" xlink:label="lab_ifrs-full_MeasurementDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MeasurementDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MeasurementDomain" xlink:to="lab_ifrs-full_MeasurementDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AzulLinhasAereasBrasileirasSAMember_019fc94a-c9db-7e57-84d8-77fa45ff734e_verboseLabel_en-US" xlink:label="lab_azul_AzulLinhasAereasBrasileirasSAMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">ALAB</link:label>
    <link:label id="lab_azul_AzulLinhasAereasBrasileirasSAMember_label_en-US" xlink:label="lab_azul_AzulLinhasAereasBrasileirasSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Azul Linhas Aereas Brasileiras S.A. [Member]</link:label>
    <link:label id="lab_azul_AzulLinhasAereasBrasileirasSAMember_documentation_en-US" xlink:label="lab_azul_AzulLinhasAereasBrasileirasSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Azul Linhas Aereas Brasileiras S.A. (ALAB).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AzulLinhasAereasBrasileirasSAMember" xlink:href="azul-20260828.xsd#azul_AzulLinhasAereasBrasileirasSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AzulLinhasAereasBrasileirasSAMember" xlink:to="lab_azul_AzulLinhasAereasBrasileirasSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ForeignExchangeRatesAbstract_label_en-US" xlink:label="lab_ifrs-full_ForeignExchangeRatesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign exchange rates [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ForeignExchangeRatesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ForeignExchangeRatesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ForeignExchangeRatesAbstract" xlink:to="lab_ifrs-full_ForeignExchangeRatesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_NonaircraftEquipmentMember_019fc94a-c9da-75b1-be9f-6a65c745eb94_terseLabel_en-US" xlink:label="lab_azul_NonaircraftEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non&#8209;aircraft equipment</link:label>
    <link:label id="lab_azul_NonaircraftEquipmentMember_label_en-US" xlink:label="lab_azul_NonaircraftEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non&#8209;aircraft equipment [Member]</link:label>
    <link:label id="lab_azul_NonaircraftEquipmentMember_documentation_en-US" xlink:label="lab_azul_NonaircraftEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non&#8209;aircraft equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_NonaircraftEquipmentMember" xlink:href="azul-20260828.xsd#azul_NonaircraftEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_NonaircraftEquipmentMember" xlink:to="lab_azul_NonaircraftEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AirportTaxesAndFeesMember_019fc94a-c9d9-721e-9b61-b6ec5c670d49_terseLabel_en-US" xlink:label="lab_azul_AirportTaxesAndFeesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Airport taxes and fees</link:label>
    <link:label id="lab_azul_AirportTaxesAndFeesMember_label_en-US" xlink:label="lab_azul_AirportTaxesAndFeesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Airport taxes and fees [Member]</link:label>
    <link:label id="lab_azul_AirportTaxesAndFeesMember_documentation_en-US" xlink:label="lab_azul_AirportTaxesAndFeesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Airport taxes and fees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AirportTaxesAndFeesMember" xlink:href="azul-20260828.xsd#azul_AirportTaxesAndFeesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AirportTaxesAndFeesMember" xlink:to="lab_azul_AirportTaxesAndFeesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems_019fc94a-c9dc-7548-aade-2c6e4e915030_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems_019fc94a-c9dc-79e0-a2ae-49bfaeba4bf0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LettersOfCreditAbstract_019fc94a-c9dc-7ede-b689-5bbef73a7be2_terseLabel_en-US" xlink:label="lab_azul_LettersOfCreditAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letters of credit [Abstract]</link:label>
    <link:label id="lab_azul_LettersOfCreditAbstract_label_en-US" xlink:label="lab_azul_LettersOfCreditAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters of credit [Abstract]</link:label>
    <link:label id="lab_azul_LettersOfCreditAbstract_documentation_en-US" xlink:label="lab_azul_LettersOfCreditAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Letters of credit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LettersOfCreditAbstract" xlink:href="azul-20260828.xsd#azul_LettersOfCreditAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LettersOfCreditAbstract" xlink:to="lab_azul_LettersOfCreditAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfAirTraficLiabilityTable_019fc94a-c9db-71c7-ac1f-f72e7ebe16a2_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfAirTraficLiabilityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of air traffic liability [Table]</link:label>
    <link:label id="lab_azul_DisclosureOfAirTraficLiabilityTable_label_en-US" xlink:label="lab_azul_DisclosureOfAirTraficLiabilityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of air trafic liability [Table]</link:label>
    <link:label id="lab_azul_DisclosureOfAirTraficLiabilityTable_documentation_en-US" xlink:label="lab_azul_DisclosureOfAirTraficLiabilityTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of air trafic liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfAirTraficLiabilityTable" xlink:href="azul-20260828.xsd#azul_DisclosureOfAirTraficLiabilityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfAirTraficLiabilityTable" xlink:to="lab_azul_DisclosureOfAirTraficLiabilityTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfRisksDomain_019fc94a-c9dc-7367-b35b-f16d643b807e_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of risks [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfRisksDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of risks [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfRisksDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksDomain" xlink:to="lab_ifrs-full_TypesOfRisksDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LaterThanFourYearsMember_019fd382-a28b-79e5-9cb0-2b6c960d27df_terseLabel_en-US" xlink:label="lab_azul_LaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">After 2029</link:label>
    <link:label id="lab_azul_LaterThanFourYearsMember_label_en-US" xlink:label="lab_azul_LaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than four years [Member]</link:label>
    <link:label id="lab_azul_LaterThanFourYearsMember_documentation_en-US" xlink:label="lab_azul_LaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Later than five years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LaterThanFourYearsMember" xlink:href="azul-20260828.xsd#azul_LaterThanFourYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LaterThanFourYearsMember" xlink:to="lab_azul_LaterThanFourYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables_019fcdb1-8e31-7ad5-bbf9-821207131f41_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in trade and other receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ClassesOfTaxesPayableAxis_019fc94a-c9db-7b01-a92d-90b303890532_terseLabel_en-US" xlink:label="lab_azul_ClassesOfTaxesPayableAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of taxes payable [Axis]</link:label>
    <link:label id="lab_azul_ClassesOfTaxesPayableAxis_label_en-US" xlink:label="lab_azul_ClassesOfTaxesPayableAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of taxes payable [Axis]</link:label>
    <link:label id="lab_azul_ClassesOfTaxesPayableAxis_documentation_en-US" xlink:label="lab_azul_ClassesOfTaxesPayableAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Classes of taxes payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ClassesOfTaxesPayableAxis" xlink:href="azul-20260828.xsd#azul_ClassesOfTaxesPayableAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ClassesOfTaxesPayableAxis" xlink:to="lab_azul_ClassesOfTaxesPayableAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TypeOfIssuanceOfSharesAxis_019fc94a-c9db-7c74-9d95-8cafdda61764_terseLabel_en-US" xlink:label="lab_azul_TypeOfIssuanceOfSharesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type Of Issuance Of Shares [Axis]</link:label>
    <link:label id="lab_azul_TypeOfIssuanceOfSharesAxis_label_en-US" xlink:label="lab_azul_TypeOfIssuanceOfSharesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type Of Issuance Of Shares [Axis]</link:label>
    <link:label id="lab_azul_TypeOfIssuanceOfSharesAxis_documentation_en-US" xlink:label="lab_azul_TypeOfIssuanceOfSharesAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Type Of Issuance Of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TypeOfIssuanceOfSharesAxis" xlink:href="azul-20260828.xsd#azul_TypeOfIssuanceOfSharesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TypeOfIssuanceOfSharesAxis" xlink:to="lab_azul_TypeOfIssuanceOfSharesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities_019fcdb1-8e32-7bbc-8a78-9c3aefce8940_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Interest paid, classified as operating activities</link:label>
    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest paid, classified as operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestPaidClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_SegmentGeographicalDomain_019fc94a-c9dc-7320-9475-555073063835_terseLabel_en-US" xlink:label="lab_srt_SegmentGeographicalDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:label id="lab_srt_SegmentGeographicalDomain_label_en-US" xlink:label="lab_srt_SegmentGeographicalDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_SegmentGeographicalDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_SegmentGeographicalDomain" xlink:to="lab_srt_SegmentGeographicalDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityTable_019fc94a-c9d9-7e53-a595-058551baab02_terseLabel_en-US" xlink:label="lab_srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing Receivable, before Allowance for Credit Loss, Maturity [Table]</link:label>
    <link:label id="lab_srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityTable_label_en-US" xlink:label="lab_srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, before Allowance for Credit Loss, Maturity [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityTable" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityTable" xlink:to="lab_srt_FinancingReceivableBeforeAllowanceForCreditLossMaturityTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdjustmentsForIncreaseDecreaseSalariesWagesAndEmployeeBenefits_019fcdb1-8e31-7ffe-b842-a97e363e94a9_terseLabel_en-US" xlink:label="lab_azul_AdjustmentsForIncreaseDecreaseSalariesWagesAndEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Salaries and social charges</link:label>
    <link:label id="lab_azul_AdjustmentsForIncreaseDecreaseSalariesWagesAndEmployeeBenefits_label_en-US" xlink:label="lab_azul_AdjustmentsForIncreaseDecreaseSalariesWagesAndEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for increase decrease salaries wages and employee benefits</link:label>
    <link:label id="lab_azul_AdjustmentsForIncreaseDecreaseSalariesWagesAndEmployeeBenefits_documentation_en-US" xlink:label="lab_azul_AdjustmentsForIncreaseDecreaseSalariesWagesAndEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of increase (decrease) in salaries, wages and employee benefits to reconcile profit (loss) to net cash flow from (used in) operating activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdjustmentsForIncreaseDecreaseSalariesWagesAndEmployeeBenefits" xlink:href="azul-20260828.xsd#azul_AdjustmentsForIncreaseDecreaseSalariesWagesAndEmployeeBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdjustmentsForIncreaseDecreaseSalariesWagesAndEmployeeBenefits" xlink:to="lab_azul_AdjustmentsForIncreaseDecreaseSalariesWagesAndEmployeeBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AirportTaxesAndFeesNonCurrentLiabilities_019fc94a-33e3-7b30-aecf-7ce2fb117f43_terseLabel_en-US" xlink:label="lab_azul_AirportTaxesAndFeesNonCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Airport taxes and fees</link:label>
    <link:label id="lab_azul_AirportTaxesAndFeesNonCurrentLiabilities_019fc94a-c9db-7c7b-9fab-def655fa0c0a_verboseLabel_en-US" xlink:label="lab_azul_AirportTaxesAndFeesNonCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_azul_AirportTaxesAndFeesNonCurrentLiabilities_label_en-US" xlink:label="lab_azul_AirportTaxesAndFeesNonCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Airport taxes and fees, non-current liabilities</link:label>
    <link:label id="lab_azul_AirportTaxesAndFeesNonCurrentLiabilities_documentation_en-US" xlink:label="lab_azul_AirportTaxesAndFeesNonCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Airport taxes and fees, non-current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AirportTaxesAndFeesNonCurrentLiabilities" xlink:href="azul-20260828.xsd#azul_AirportTaxesAndFeesNonCurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AirportTaxesAndFeesNonCurrentLiabilities" xlink:to="lab_azul_AirportTaxesAndFeesNonCurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ScheduleOfTaxesRecoverableTableTextBlock_019fc94a-c9d9-7e4a-ac21-e57a300b5d6b_terseLabel_en-US" xlink:label="lab_azul_ScheduleOfTaxesRecoverableTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Taxes Recoverable</link:label>
    <link:label id="lab_azul_ScheduleOfTaxesRecoverableTableTextBlock_label_en-US" xlink:label="lab_azul_ScheduleOfTaxesRecoverableTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of taxes recoverable [Table Text Block]</link:label>
    <link:label id="lab_azul_ScheduleOfTaxesRecoverableTableTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleOfTaxesRecoverableTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of taxes recoverable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleOfTaxesRecoverableTableTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleOfTaxesRecoverableTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleOfTaxesRecoverableTableTextBlock" xlink:to="lab_azul_ScheduleOfTaxesRecoverableTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdvancesForFutureCapitalIncrease_019fcdb1-8e32-7d8f-9ac1-6dcfd9b83683_terseLabel_en-US" xlink:label="lab_azul_AdvancesForFutureCapitalIncrease" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advance for future capital increase</link:label>
    <link:label id="lab_azul_AdvancesForFutureCapitalIncrease_label_en-US" xlink:label="lab_azul_AdvancesForFutureCapitalIncrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances for future capital increase</link:label>
    <link:label id="lab_azul_AdvancesForFutureCapitalIncrease_documentation_en-US" xlink:label="lab_azul_AdvancesForFutureCapitalIncrease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advances for future capital increase</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdvancesForFutureCapitalIncrease" xlink:href="azul-20260828.xsd#azul_AdvancesForFutureCapitalIncrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdvancesForFutureCapitalIncrease" xlink:to="lab_azul_AdvancesForFutureCapitalIncrease" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ScheduleOfAircraftAcquisitionTableTextBlock_019fc94a-c9dc-798c-ac25-0075fe0b3474_terseLabel_en-US" xlink:label="lab_azul_ScheduleOfAircraftAcquisitionTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Aircraft Acquisition</link:label>
    <link:label id="lab_azul_ScheduleOfAircraftAcquisitionTableTextBlock_label_en-US" xlink:label="lab_azul_ScheduleOfAircraftAcquisitionTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of aircraft acquisition [Table Text Block]</link:label>
    <link:label id="lab_azul_ScheduleOfAircraftAcquisitionTableTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleOfAircraftAcquisitionTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of aircraft acquisition</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleOfAircraftAcquisitionTableTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleOfAircraftAcquisitionTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleOfAircraftAcquisitionTableTextBlock" xlink:to="lab_azul_ScheduleOfAircraftAcquisitionTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_NonCashTransactionLineItems_019fc94a-c9dc-736b-9e1b-14f514ebff70_terseLabel_en-US" xlink:label="lab_azul_NonCashTransactionLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-cash transaction [Line Items]</link:label>
    <link:label id="lab_azul_NonCashTransactionLineItems_label_en-US" xlink:label="lab_azul_NonCashTransactionLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-cash transaction [Line Items]</link:label>
    <link:label id="lab_azul_NonCashTransactionLineItems_documentation_en-US" xlink:label="lab_azul_NonCashTransactionLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-cash transaction</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_NonCashTransactionLineItems" xlink:href="azul-20260828.xsd#azul_NonCashTransactionLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_NonCashTransactionLineItems" xlink:to="lab_azul_NonCashTransactionLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdvancesToSuppliersMember_019fc94a-c9d9-7346-b061-0ab417ac532c_terseLabel_en-US" xlink:label="lab_azul_AdvancesToSuppliersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances to suppliers</link:label>
    <link:label id="lab_azul_AdvancesToSuppliersMember_label_en-US" xlink:label="lab_azul_AdvancesToSuppliersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances To Suppliers [Member]</link:label>
    <link:label id="lab_azul_AdvancesToSuppliersMember_documentation_en-US" xlink:label="lab_azul_AdvancesToSuppliersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advances To Suppliers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdvancesToSuppliersMember" xlink:href="azul-20260828.xsd#azul_AdvancesToSuppliersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdvancesToSuppliersMember" xlink:to="lab_azul_AdvancesToSuppliersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ScheduleOfLeaseAmortizationTextBlock_019fc94a-c9da-7608-b11e-67e8f7328ef9_terseLabel_en-US" xlink:label="lab_azul_ScheduleOfLeaseAmortizationTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Lease Amortization</link:label>
    <link:label id="lab_azul_ScheduleOfLeaseAmortizationTextBlock_label_en-US" xlink:label="lab_azul_ScheduleOfLeaseAmortizationTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of lease amortization [Text Block]</link:label>
    <link:label id="lab_azul_ScheduleOfLeaseAmortizationTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleOfLeaseAmortizationTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of lease amortization</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleOfLeaseAmortizationTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleOfLeaseAmortizationTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleOfLeaseAmortizationTextBlock" xlink:to="lab_azul_ScheduleOfLeaseAmortizationTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage_019fc94a-c9dc-72e8-ba40-8aa57a6501bd_terseLabel_en-US" xlink:label="lab_azul_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rate p.a.</link:label>
    <link:label id="lab_azul_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage_label_en-US" xlink:label="lab_azul_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Exposure Associated With Instruments Sharing Characteristic, Concentration Percentage</link:label>
    <link:label id="lab_azul_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage_documentation_en-US" xlink:label="lab_azul_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Exposure Associated With Instruments Sharing Characteristic, Concentration Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage" xlink:href="azul-20260828.xsd#azul_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage" xlink:to="lab_azul_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_019fcdb1-8e31-7a82-9110-2590a3dbc8f2_negatedLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Result from modification of lease and provision</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through modification of contractual cash flows, exposure to credit risk on loan commitments and financial guarantee contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_019fc94a-33e3-721f-ac91-7e8a42cf9ad0_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leases</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_019fc94a-c9da-7aca-b5cf-1a1af85fcb6f_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLeaseLiabilities" xlink:to="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdjustmentsForIncreaseDecreaseInTaxesPayable_019fc94a-c9d9-7179-9ebe-2690e7c49e90_terseLabel_en-US" xlink:label="lab_azul_AdjustmentsForIncreaseDecreaseInTaxesPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taxes payable</link:label>
    <link:label id="lab_azul_AdjustmentsForIncreaseDecreaseInTaxesPayable_label_en-US" xlink:label="lab_azul_AdjustmentsForIncreaseDecreaseInTaxesPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Increase Decrease In Taxes Payable</link:label>
    <link:label id="lab_azul_AdjustmentsForIncreaseDecreaseInTaxesPayable_documentation_en-US" xlink:label="lab_azul_AdjustmentsForIncreaseDecreaseInTaxesPayable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for increase decrease in taxes payable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdjustmentsForIncreaseDecreaseInTaxesPayable" xlink:href="azul-20260828.xsd#azul_AdjustmentsForIncreaseDecreaseInTaxesPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdjustmentsForIncreaseDecreaseInTaxesPayable" xlink:to="lab_azul_AdjustmentsForIncreaseDecreaseInTaxesPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TemporaryProvisionsMember_019fc94a-c9da-7cdd-8d76-e625ff873180_terseLabel_en-US" xlink:label="lab_azul_TemporaryProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary provisions</link:label>
    <link:label id="lab_azul_TemporaryProvisionsMember_label_en-US" xlink:label="lab_azul_TemporaryProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary provisions [Member]</link:label>
    <link:label id="lab_azul_TemporaryProvisionsMember_documentation_en-US" xlink:label="lab_azul_TemporaryProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Temporary provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TemporaryProvisionsMember" xlink:href="azul-20260828.xsd#azul_TemporaryProvisionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TemporaryProvisionsMember" xlink:to="lab_azul_TemporaryProvisionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InterestCDIRateAverage_019ff12d-c393-7b04-8d95-22456d097e07_terseLabel_en-US" xlink:label="lab_azul_InterestCDIRateAverage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">interest average rate</link:label>
    <link:label id="lab_azul_InterestCDIRateAverage_label_en-US" xlink:label="lab_azul_InterestCDIRateAverage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest, CDI Rate Average</link:label>
    <link:label id="lab_azul_InterestCDIRateAverage_documentation_en-US" xlink:label="lab_azul_InterestCDIRateAverage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest, CDI Rate Average</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InterestCDIRateAverage" xlink:href="azul-20260828.xsd#azul_InterestCDIRateAverage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InterestCDIRateAverage" xlink:to="lab_azul_InterestCDIRateAverage" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TypeOfSecurityDepositsAndMaintenanceDomain_019fc94a-c9d9-76d8-9f92-7fbea02d018a_terseLabel_en-US" xlink:label="lab_azul_TypeOfSecurityDepositsAndMaintenanceDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type of security deposits and maintenance [Domain]</link:label>
    <link:label id="lab_azul_TypeOfSecurityDepositsAndMaintenanceDomain_label_en-US" xlink:label="lab_azul_TypeOfSecurityDepositsAndMaintenanceDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type of security deposits and maintenance [Domain]</link:label>
    <link:label id="lab_azul_TypeOfSecurityDepositsAndMaintenanceDomain_documentation_en-US" xlink:label="lab_azul_TypeOfSecurityDepositsAndMaintenanceDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Type of security deposits and maintenance [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TypeOfSecurityDepositsAndMaintenanceDomain" xlink:href="azul-20260828.xsd#azul_TypeOfSecurityDepositsAndMaintenanceDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TypeOfSecurityDepositsAndMaintenanceDomain" xlink:to="lab_azul_TypeOfSecurityDepositsAndMaintenanceDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TaxLossCarryforwardsMaximumRateAsOffsetAgainstTaxableProfit_019fc94a-c9da-7c96-968c-13905c2076d7_terseLabel_en-US" xlink:label="lab_azul_TaxLossCarryforwardsMaximumRateAsOffsetAgainstTaxableProfit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax loss carry forwards up to annual taxable income</link:label>
    <link:label id="lab_azul_TaxLossCarryforwardsMaximumRateAsOffsetAgainstTaxableProfit_label_en-US" xlink:label="lab_azul_TaxLossCarryforwardsMaximumRateAsOffsetAgainstTaxableProfit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax loss carryforwards, maximum rate as offset against taxable profit</link:label>
    <link:label id="lab_azul_TaxLossCarryforwardsMaximumRateAsOffsetAgainstTaxableProfit_documentation_en-US" xlink:label="lab_azul_TaxLossCarryforwardsMaximumRateAsOffsetAgainstTaxableProfit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax loss carryforwards, maximum rate as offset against taxable profit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TaxLossCarryforwardsMaximumRateAsOffsetAgainstTaxableProfit" xlink:href="azul-20260828.xsd#azul_TaxLossCarryforwardsMaximumRateAsOffsetAgainstTaxableProfit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TaxLossCarryforwardsMaximumRateAsOffsetAgainstTaxableProfit" xlink:to="lab_azul_TaxLossCarryforwardsMaximumRateAsOffsetAgainstTaxableProfit" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ProceedsFromSalesAndLeaseback_019fc94a-c9d9-78f7-ba8b-8f11c83323c1_terseLabel_en-US" xlink:label="lab_azul_ProceedsFromSalesAndLeaseback" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale and leaseback</link:label>
    <link:label id="lab_azul_ProceedsFromSalesAndLeaseback_label_en-US" xlink:label="lab_azul_ProceedsFromSalesAndLeaseback" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from sales and leaseback</link:label>
    <link:label id="lab_azul_ProceedsFromSalesAndLeaseback_documentation_en-US" xlink:label="lab_azul_ProceedsFromSalesAndLeaseback" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of cash inflow recognized from sale and leaseback transaction.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ProceedsFromSalesAndLeaseback" xlink:href="azul-20260828.xsd#azul_ProceedsFromSalesAndLeaseback"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ProceedsFromSalesAndLeaseback" xlink:to="lab_azul_ProceedsFromSalesAndLeaseback" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember_019fc94a-33e4-7fc4-8b5c-92796fc87f0e_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated other comprehensive income [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:to="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019fc94a-33e3-7c8d-b487-6d1e328dadc3_terseLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019fcdb1-8e32-7720-acbe-934ed6e9e723_periodStartLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at the beginning of the period</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019fcdb1-8e32-7790-927a-67b1996ee42f_periodEndLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at the end of the period</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019feeee-345d-767e-8b1f-31922b659efd_totalLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalents" xlink:to="lab_ifrs-full_CashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LetterOfCreditIssuance_019fc94a-c9dc-747a-8203-e10a8d8c90eb_terseLabel_en-US" xlink:label="lab_azul_LetterOfCreditIssuance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letter of credit issuance</link:label>
    <link:label id="lab_azul_LetterOfCreditIssuance_label_en-US" xlink:label="lab_azul_LetterOfCreditIssuance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letter of credit issuance</link:label>
    <link:label id="lab_azul_LetterOfCreditIssuance_documentation_en-US" xlink:label="lab_azul_LetterOfCreditIssuance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Letter of credit issuance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LetterOfCreditIssuance" xlink:href="azul-20260828.xsd#azul_LetterOfCreditIssuance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LetterOfCreditIssuance" xlink:to="lab_azul_LetterOfCreditIssuance" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLossForeignCurrency_019fc94a-c9d9-7675-9741-64c61a1d4171_terseLabel_en-US" xlink:label="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLossForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total foreign currency</link:label>
    <link:label id="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLossForeignCurrency_label_en-US" xlink:label="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLossForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade And Other Receivables Before Provision For Loss, Foreign Currency</link:label>
    <link:label id="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLossForeignCurrency_documentation_en-US" xlink:label="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLossForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trade And Other Receivables Before Provision For Loss, Foreign Currency</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TradeAndOtherReceivablesBeforeProvisionForLossForeignCurrency" xlink:href="azul-20260828.xsd#azul_TradeAndOtherReceivablesBeforeProvisionForLossForeignCurrency"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TradeAndOtherReceivablesBeforeProvisionForLossForeignCurrency" xlink:to="lab_azul_TradeAndOtherReceivablesBeforeProvisionForLossForeignCurrency" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_Payments_019fc94a-c9db-7474-be15-59c3af9f96a4_terseLabel_en-US" xlink:label="lab_azul_Payments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Write-offs</link:label>
    <link:label id="lab_azul_Payments_label_en-US" xlink:label="lab_azul_Payments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments</link:label>
    <link:label id="lab_azul_Payments_documentation_en-US" xlink:label="lab_azul_Payments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_Payments" xlink:href="azul-20260828.xsd#azul_Payments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_Payments" xlink:to="lab_azul_Payments" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ProvisionForTaxCivilAndLaborRisksTextBlock_019fc94a-c9db-7936-93e2-58fba09053b5_terseLabel_en-US" xlink:label="lab_azul_ProvisionForTaxCivilAndLaborRisksTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Estimates of Probable and Possible Losses</link:label>
    <link:label id="lab_azul_ProvisionForTaxCivilAndLaborRisksTextBlock_label_en-US" xlink:label="lab_azul_ProvisionForTaxCivilAndLaborRisksTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for tax civil and labor risks [Text Block]</link:label>
    <link:label id="lab_azul_ProvisionForTaxCivilAndLaborRisksTextBlock_documentation_en-US" xlink:label="lab_azul_ProvisionForTaxCivilAndLaborRisksTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision for tax civil and labor risks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ProvisionForTaxCivilAndLaborRisksTextBlock" xlink:href="azul-20260828.xsd#azul_ProvisionForTaxCivilAndLaborRisksTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ProvisionForTaxCivilAndLaborRisksTextBlock" xlink:to="lab_azul_ProvisionForTaxCivilAndLaborRisksTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ConversionRightDebenturesMember_019fc94a-c9db-7e5e-978b-8d40a68d2437_terseLabel_en-US" xlink:label="lab_azul_ConversionRightDebenturesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion right debentures</link:label>
    <link:label id="lab_azul_ConversionRightDebenturesMember_label_en-US" xlink:label="lab_azul_ConversionRightDebenturesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Conversion right debentures [Member]</link:label>
    <link:label id="lab_azul_ConversionRightDebenturesMember_documentation_en-US" xlink:label="lab_azul_ConversionRightDebenturesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Conversion right debentures</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ConversionRightDebenturesMember" xlink:href="azul-20260828.xsd#azul_ConversionRightDebenturesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ConversionRightDebenturesMember" xlink:to="lab_azul_ConversionRightDebenturesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_019fc94a-c9db-7f1d-b925-ae2b899cf067_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Transactions Between Related Parties</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_019fc94a-c9da-7b8d-800d-4d05f42fae64_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Measures Restrictive Clauses</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAndLiabilities_019fc94a-33e3-76c7-a66b-81d12465a54e_totalLabel_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities and equity</link:label>
    <link:label id="lab_ifrs-full_EquityAndLiabilities_label_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity and liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAndLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAndLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAndLiabilities" xlink:to="lab_ifrs-full_EquityAndLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions_019fc94a-c9db-7eac-9f37-c4d8d9c6f59b_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency exchange</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through net exchange differences, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentAbstract_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:to="lab_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Provisions_019fd829-e953-7d5b-9acb-022c33202b1e_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Provisions" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Provisions, beginning balance</link:label>
    <link:label id="lab_ifrs-full_Provisions_019fd829-c3db-7339-81a0-6eb450c720a5_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Provisions" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Provisions, ending balance</link:label>
    <link:label id="lab_ifrs-full_Provisions_label_en-US" xlink:label="lab_ifrs-full_Provisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Provisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Provisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Provisions" xlink:to="lab_ifrs-full_Provisions" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AverageMonthlyRateOnAccountsReceivableFromCreditCardCompanies_019fc94a-c9d9-79a7-8812-749a5150b833_terseLabel_en-US" xlink:label="lab_azul_AverageMonthlyRateOnAccountsReceivableFromCreditCardCompanies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average monthly rate on accounts receivable from credit card companies</link:label>
    <link:label id="lab_azul_AverageMonthlyRateOnAccountsReceivableFromCreditCardCompanies_label_en-US" xlink:label="lab_azul_AverageMonthlyRateOnAccountsReceivableFromCreditCardCompanies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average monthly rate on accounts receivable from credit card companies</link:label>
    <link:label id="lab_azul_AverageMonthlyRateOnAccountsReceivableFromCreditCardCompanies_documentation_en-US" xlink:label="lab_azul_AverageMonthlyRateOnAccountsReceivableFromCreditCardCompanies" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Average monthly rate on accounts receivable from credit card companies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AverageMonthlyRateOnAccountsReceivableFromCreditCardCompanies" xlink:href="azul-20260828.xsd#azul_AverageMonthlyRateOnAccountsReceivableFromCreditCardCompanies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AverageMonthlyRateOnAccountsReceivableFromCreditCardCompanies" xlink:to="lab_azul_AverageMonthlyRateOnAccountsReceivableFromCreditCardCompanies" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ProvisionForInventoryLossesMovement_019fc94a-c9d9-75aa-b26e-82d6df65e9ff_negatedLabel_en-US" xlink:label="lab_azul_ProvisionForInventoryLossesMovement" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Movement, net</link:label>
    <link:label id="lab_azul_ProvisionForInventoryLossesMovement_label_en-US" xlink:label="lab_azul_ProvisionForInventoryLossesMovement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision For Inventory Losses, Movement</link:label>
    <link:label id="lab_azul_ProvisionForInventoryLossesMovement_documentation_en-US" xlink:label="lab_azul_ProvisionForInventoryLossesMovement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision For Inventory Losses, Movement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ProvisionForInventoryLossesMovement" xlink:href="azul-20260828.xsd#azul_ProvisionForInventoryLossesMovement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ProvisionForInventoryLossesMovement" xlink:to="lab_azul_ProvisionForInventoryLossesMovement" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ProvisionForAdvancesToSuppliersLosses_019fc94a-c9da-7626-8e0a-f22fed127ed3_periodStartLabel_en-US" xlink:label="lab_azul_ProvisionForAdvancesToSuppliersLosses" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balances at the beginning of the period</link:label>
    <link:label id="lab_azul_ProvisionForAdvancesToSuppliersLosses_019fc94a-c9da-7d9b-bc42-3dbd2ae8ae4b_periodEndLabel_en-US" xlink:label="lab_azul_ProvisionForAdvancesToSuppliersLosses" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balances at the end of the period</link:label>
    <link:label id="lab_azul_ProvisionForAdvancesToSuppliersLosses_label_en-US" xlink:label="lab_azul_ProvisionForAdvancesToSuppliersLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for advances to suppliers losses</link:label>
    <link:label id="lab_azul_ProvisionForAdvancesToSuppliersLosses_documentation_en-US" xlink:label="lab_azul_ProvisionForAdvancesToSuppliersLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents provision for advances to suppliers losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ProvisionForAdvancesToSuppliersLosses" xlink:href="azul-20260828.xsd#azul_ProvisionForAdvancesToSuppliersLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ProvisionForAdvancesToSuppliersLosses" xlink:to="lab_azul_ProvisionForAdvancesToSuppliersLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FuelExpense_019fc94a-33e3-79de-a81f-0ed45afbb6cc_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_FuelExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Aircraft fuel</link:label>
    <link:label id="lab_ifrs-full_FuelExpense_label_en-US" xlink:label="lab_ifrs-full_FuelExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fuel expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FuelExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FuelExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FuelExpense" xlink:to="lab_ifrs-full_FuelExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CurrentConvertibleInstruments_019fc94a-33e3-7dac-9ee0-e679af1390ba_terseLabel_en-US" xlink:label="lab_azul_CurrentConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible debt instruments</link:label>
    <link:label id="lab_azul_CurrentConvertibleInstruments_019fc94a-c9da-7226-b7c7-9399918fc208_verboseLabel_en-US" xlink:label="lab_azul_CurrentConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_azul_CurrentConvertibleInstruments_label_en-US" xlink:label="lab_azul_CurrentConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current convertible instruments</link:label>
    <link:label id="lab_azul_CurrentConvertibleInstruments_documentation_en-US" xlink:label="lab_azul_CurrentConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current convertible instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CurrentConvertibleInstruments" xlink:href="azul-20260828.xsd#azul_CurrentConvertibleInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CurrentConvertibleInstruments" xlink:to="lab_azul_CurrentConvertibleInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_NonCashTransactionTable_019fc94a-c9dc-7e01-acd7-66046bf993c5_terseLabel_en-US" xlink:label="lab_azul_NonCashTransactionTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-cash transaction [Table]</link:label>
    <link:label id="lab_azul_NonCashTransactionTable_label_en-US" xlink:label="lab_azul_NonCashTransactionTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-cash transaction [Table]</link:label>
    <link:label id="lab_azul_NonCashTransactionTable_documentation_en-US" xlink:label="lab_azul_NonCashTransactionTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-cash transaction</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_NonCashTransactionTable" xlink:href="azul-20260828.xsd#azul_NonCashTransactionTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_NonCashTransactionTable" xlink:to="lab_azul_NonCashTransactionTable" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ProductsAndServicesDomain_019fc94a-c9dc-739e-8f8d-4eaa04e89779_terseLabel_en-US" xlink:label="lab_srt_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product and Service [Domain]</link:label>
    <link:label id="lab_srt_ProductsAndServicesDomain_label_en-US" xlink:label="lab_srt_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product and Service [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductsAndServicesDomain" xlink:to="lab_srt_ProductsAndServicesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherShareholdersMember_019fc94a-c9db-7d0c-a2e2-6f34d1d09561_terseLabel_en-US" xlink:label="lab_azul_OtherShareholdersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_azul_OtherShareholdersMember_label_en-US" xlink:label="lab_azul_OtherShareholdersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other shareholders [Member]</link:label>
    <link:label id="lab_azul_OtherShareholdersMember_documentation_en-US" xlink:label="lab_azul_OtherShareholdersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other shareholders</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherShareholdersMember" xlink:href="azul-20260828.xsd#azul_OtherShareholdersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherShareholdersMember" xlink:to="lab_azul_OtherShareholdersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LongtermBorrowingsMember_019fc94a-c9dc-71e2-a35d-79ac6d5fc135_terseLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and financing</link:label>
    <link:label id="lab_ifrs-full_LongtermBorrowingsMember_label_en-US" xlink:label="lab_ifrs-full_LongtermBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term borrowings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermBorrowingsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LongtermBorrowingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermBorrowingsMember" xlink:to="lab_ifrs-full_LongtermBorrowingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CategoriesOfTradeReceivablesDomain_019fc94a-c9d9-73e9-86ba-c30d5ffe818e_terseLabel_en-US" xlink:label="lab_azul_CategoriesOfTradeReceivablesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of trade receivables [Domain]</link:label>
    <link:label id="lab_azul_CategoriesOfTradeReceivablesDomain_label_en-US" xlink:label="lab_azul_CategoriesOfTradeReceivablesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of trade receivables [Domain]</link:label>
    <link:label id="lab_azul_CategoriesOfTradeReceivablesDomain_documentation_en-US" xlink:label="lab_azul_CategoriesOfTradeReceivablesDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Categories of trade receivabels</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CategoriesOfTradeReceivablesDomain" xlink:href="azul-20260828.xsd#azul_CategoriesOfTradeReceivablesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CategoriesOfTradeReceivablesDomain" xlink:to="lab_azul_CategoriesOfTradeReceivablesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities_019fc94a-c9dc-7c1d-a39a-99ae8b54d482_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Maturity of Non-Derivative Financial Liabilities</link:label>
    <link:label id="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:to="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_MaintenanceReserve_019fc94a-c9db-76e8-854e-5d9e9c1634de_terseLabel_en-US" xlink:label="lab_azul_MaintenanceReserve" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maintenance reserves</link:label>
    <link:label id="lab_azul_MaintenanceReserve_label_en-US" xlink:label="lab_azul_MaintenanceReserve" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maintenance reserve</link:label>
    <link:label id="lab_azul_MaintenanceReserve_documentation_en-US" xlink:label="lab_azul_MaintenanceReserve" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maintenance reserve</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_MaintenanceReserve" xlink:href="azul-20260828.xsd#azul_MaintenanceReserve"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_MaintenanceReserve" xlink:to="lab_azul_MaintenanceReserve" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities_019fc94a-c9da-7102-b04f-370fd9b98c1e_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency exchange</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through effect of changes in foreign exchange rates, liabilities arising from financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SummaryOfConvertibleInstrumentsTableTextBlock_019fc94a-c9da-70c0-be59-922f99f7ae13_terseLabel_en-US" xlink:label="lab_azul_SummaryOfConvertibleInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Convertible Instruments</link:label>
    <link:label id="lab_azul_SummaryOfConvertibleInstrumentsTableTextBlock_label_en-US" xlink:label="lab_azul_SummaryOfConvertibleInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary of convertible instruments [Table Text Block]</link:label>
    <link:label id="lab_azul_SummaryOfConvertibleInstrumentsTableTextBlock_documentation_en-US" xlink:label="lab_azul_SummaryOfConvertibleInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Summary of convertible instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SummaryOfConvertibleInstrumentsTableTextBlock" xlink:href="azul-20260828.xsd#azul_SummaryOfConvertibleInstrumentsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SummaryOfConvertibleInstrumentsTableTextBlock" xlink:to="lab_azul_SummaryOfConvertibleInstrumentsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestRateRiskMember_019fc94a-c9dc-7dc1-afde-fa13dbb269f1_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRateRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate risk</link:label>
    <link:label id="lab_ifrs-full_InterestRateRiskMember_label_en-US" xlink:label="lab_ifrs-full_InterestRateRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest rate risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRateRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestRateRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRateRiskMember" xlink:to="lab_ifrs-full_InterestRateRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ContractualGuaranteesReceivableMember_019fc94a-c9d9-72e7-a9c5-72c50ddb09ff_terseLabel_en-US" xlink:label="lab_azul_ContractualGuaranteesReceivableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reimbursement receivable for contractual guarantees</link:label>
    <link:label id="lab_azul_ContractualGuaranteesReceivableMember_label_en-US" xlink:label="lab_azul_ContractualGuaranteesReceivableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual guarantees receivable [Member]</link:label>
    <link:label id="lab_azul_ContractualGuaranteesReceivableMember_documentation_en-US" xlink:label="lab_azul_ContractualGuaranteesReceivableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contractual guarantees receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ContractualGuaranteesReceivableMember" xlink:href="azul-20260828.xsd#azul_ContractualGuaranteesReceivableMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ContractualGuaranteesReceivableMember" xlink:to="lab_azul_ContractualGuaranteesReceivableMember" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_USD_019fc94a-c9d9-74b1-b588-b582e3adb771_terseLabel_en-US" xlink:label="lab_currency_USD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">U.S. dollar</link:label>
    <link:label id="lab_currency_USD_019fc94a-c9da-7431-a037-0270db984c6d_verboseLabel_en-US" xlink:label="lab_currency_USD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">United States of America, Dollars</link:label>
    <link:label id="lab_currency_USD_019fc94a-c9dc-77d2-8db8-1a51a8c322af_netLabel_en-US" xlink:label="lab_currency_USD" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Exposure to US$</link:label>
    <link:label id="lab_currency_USD_label_en-US" xlink:label="lab_currency_USD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">United States of America, Dollars</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_USD" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_USD"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_USD" xlink:to="lab_currency_USD" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutedEarningsPerShareAbstract_019fc94a-c9dc-7875-8c3d-cbc773175c9c_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted earnings per share</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsPerShareAbstract_label_en-US" xlink:label="lab_ifrs-full_DilutedEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diluted earnings per share [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsPerShareAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutedEarningsPerShareAbstract" xlink:to="lab_ifrs-full_DilutedEarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TypeOfAwardDateAxis_019fc94a-c9dc-7139-8679-d8f68df0686e_terseLabel_en-US" xlink:label="lab_azul_TypeOfAwardDateAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award date [Axis]</link:label>
    <link:label id="lab_azul_TypeOfAwardDateAxis_label_en-US" xlink:label="lab_azul_TypeOfAwardDateAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type of award date [Axis]</link:label>
    <link:label id="lab_azul_TypeOfAwardDateAxis_documentation_en-US" xlink:label="lab_azul_TypeOfAwardDateAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Type of award date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TypeOfAwardDateAxis" xlink:href="azul-20260828.xsd#azul_TypeOfAwardDateAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TypeOfAwardDateAxis" xlink:to="lab_azul_TypeOfAwardDateAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_June1520261Member_019ff2c0-4c01-7311-8a21-4783d8378c1b_terseLabel_en-US" xlink:label="lab_azul_June1520261Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">June 15, 2026</link:label>
    <link:label id="lab_azul_June1520261Member_label_en-US" xlink:label="lab_azul_June1520261Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">June 15, 2026 1 [Member]</link:label>
    <link:label id="lab_azul_June1520261Member_documentation_en-US" xlink:label="lab_azul_June1520261Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">June 15, 2026 1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_June1520261Member" xlink:href="azul-20260828.xsd#azul_June1520261Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_June1520261Member" xlink:to="lab_azul_June1520261Member" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfCashAndCashEquivalentsTextBlock_019fc94a-c9d9-7f9f-b3cd-82559896d648_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfCashAndCashEquivalentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Cash and Cash Equivalents</link:label>
    <link:label id="lab_azul_DisclosureOfCashAndCashEquivalentsTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfCashAndCashEquivalentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of cash and cash equivalents [Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfCashAndCashEquivalentsTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfCashAndCashEquivalentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of cash and cash equivalents.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfCashAndCashEquivalentsTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfCashAndCashEquivalentsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfCashAndCashEquivalentsTextBlock" xlink:to="lab_azul_DisclosureOfCashAndCashEquivalentsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanFiveYearsMember_019fc94a-c9dc-7f70-b6ef-e15bcd26ae2e_verboseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">After 5 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueFromRenderingOfPassengerTransportServices_019fc94a-33e3-7e1a-abc5-6d8197dabac5_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromRenderingOfPassengerTransportServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Passenger revenue</link:label>
    <link:label id="lab_ifrs-full_RevenueFromRenderingOfPassengerTransportServices_label_en-US" xlink:label="lab_ifrs-full_RevenueFromRenderingOfPassengerTransportServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from rendering of passenger transport services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromRenderingOfPassengerTransportServices" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromRenderingOfPassengerTransportServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromRenderingOfPassengerTransportServices" xlink:to="lab_ifrs-full_RevenueFromRenderingOfPassengerTransportServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_019fc94a-c9db-7010-9af6-a2dabd0f2b89_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">RELATED PARTY TRANSACTIONS</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of related party [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfRelatedPartyExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsDomain_019fc94a-c9d9-7147-81ff-289a919b1785_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial assets [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_PaymentsReceiptsInCashOfDerivativeInstruments_019fc94a-c9db-7307-826d-727a94b0ec03_terseLabel_en-US" xlink:label="lab_azul_PaymentsReceiptsInCashOfDerivativeInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payments (receipts), net</link:label>
    <link:label id="lab_azul_PaymentsReceiptsInCashOfDerivativeInstruments_label_en-US" xlink:label="lab_azul_PaymentsReceiptsInCashOfDerivativeInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments (receipts) in cash of derivative instruments</link:label>
    <link:label id="lab_azul_PaymentsReceiptsInCashOfDerivativeInstruments_documentation_en-US" xlink:label="lab_azul_PaymentsReceiptsInCashOfDerivativeInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payments (receipts) in cash of derivative instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_PaymentsReceiptsInCashOfDerivativeInstruments" xlink:href="azul-20260828.xsd#azul_PaymentsReceiptsInCashOfDerivativeInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_PaymentsReceiptsInCashOfDerivativeInstruments" xlink:to="lab_azul_PaymentsReceiptsInCashOfDerivativeInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AirportTaxesAndFeesAbstractAbstract_label_en-US" xlink:label="lab_azul_AirportTaxesAndFeesAbstractAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Airport taxes and fees abstract [Abstract]</link:label>
    <link:label id="lab_azul_AirportTaxesAndFeesAbstractAbstract_documentation_en-US" xlink:label="lab_azul_AirportTaxesAndFeesAbstractAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Airport taxes and fees abstract [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AirportTaxesAndFeesAbstractAbstract" xlink:href="azul-20260828.xsd#azul_AirportTaxesAndFeesAbstractAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AirportTaxesAndFeesAbstractAbstract" xlink:to="lab_azul_AirportTaxesAndFeesAbstractAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LeaseWithPurchaseOptionAircraftEnginesAndSimulatorsMember_019fc94a-c9da-73f1-bfcb-08d19e7354e7_terseLabel_en-US" xlink:label="lab_azul_LeaseWithPurchaseOptionAircraftEnginesAndSimulatorsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aircraft, engines and simulators</link:label>
    <link:label id="lab_azul_LeaseWithPurchaseOptionAircraftEnginesAndSimulatorsMember_label_en-US" xlink:label="lab_azul_LeaseWithPurchaseOptionAircraftEnginesAndSimulatorsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease with purchase option: Aircraft, engines and simulators [Member]</link:label>
    <link:label id="lab_azul_LeaseWithPurchaseOptionAircraftEnginesAndSimulatorsMember_documentation_en-US" xlink:label="lab_azul_LeaseWithPurchaseOptionAircraftEnginesAndSimulatorsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lease with purchase option: Aircraft, engines and simulators</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LeaseWithPurchaseOptionAircraftEnginesAndSimulatorsMember" xlink:href="azul-20260828.xsd#azul_LeaseWithPurchaseOptionAircraftEnginesAndSimulatorsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LeaseWithPurchaseOptionAircraftEnginesAndSimulatorsMember" xlink:to="lab_azul_LeaseWithPurchaseOptionAircraftEnginesAndSimulatorsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ScheduleOfBreakdownOfAdvancesToSuppliersTableTextBlock_019fc94a-c9d9-73db-8d34-38595bed1681_terseLabel_en-US" xlink:label="lab_azul_ScheduleOfBreakdownOfAdvancesToSuppliersTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Advances to Suppliers</link:label>
    <link:label id="lab_azul_ScheduleOfBreakdownOfAdvancesToSuppliersTableTextBlock_label_en-US" xlink:label="lab_azul_ScheduleOfBreakdownOfAdvancesToSuppliersTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of breakdown of advances to suppliers [Table Text Block]</link:label>
    <link:label id="lab_azul_ScheduleOfBreakdownOfAdvancesToSuppliersTableTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleOfBreakdownOfAdvancesToSuppliersTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of breakdown of advances to suppliers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleOfBreakdownOfAdvancesToSuppliersTableTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleOfBreakdownOfAdvancesToSuppliersTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleOfBreakdownOfAdvancesToSuppliersTableTextBlock" xlink:to="lab_azul_ScheduleOfBreakdownOfAdvancesToSuppliersTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ExpensesShareOptionGranted_019ff160-7301-7c84-b22c-49924dc6ea90_terseLabel_en-US" xlink:label="lab_azul_ExpensesShareOptionGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenses</link:label>
    <link:label id="lab_azul_ExpensesShareOptionGranted_label_en-US" xlink:label="lab_azul_ExpensesShareOptionGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expenses, Share Option Granted</link:label>
    <link:label id="lab_azul_ExpensesShareOptionGranted_documentation_en-US" xlink:label="lab_azul_ExpensesShareOptionGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expenses, Share Option Granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ExpensesShareOptionGranted" xlink:href="azul-20260828.xsd#azul_ExpensesShareOptionGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ExpensesShareOptionGranted" xlink:to="lab_azul_ExpensesShareOptionGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable_019fc94a-c9da-7bdd-b5d7-9dbf16907178_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in intangible assets and goodwill [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in intangible assets and goodwill [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ClassesOfHedgingDesignationDomain_019fc94a-c9da-7994-b1bd-f04cbfe643da_terseLabel_en-US" xlink:label="lab_azul_ClassesOfHedgingDesignationDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of hedging designation [Domain]</link:label>
    <link:label id="lab_azul_ClassesOfHedgingDesignationDomain_label_en-US" xlink:label="lab_azul_ClassesOfHedgingDesignationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of hedging designation [Domain]</link:label>
    <link:label id="lab_azul_ClassesOfHedgingDesignationDomain_documentation_en-US" xlink:label="lab_azul_ClassesOfHedgingDesignationDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Classes of hedging designation [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ClassesOfHedgingDesignationDomain" xlink:href="azul-20260828.xsd#azul_ClassesOfHedgingDesignationDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ClassesOfHedgingDesignationDomain" xlink:to="lab_azul_ClassesOfHedgingDesignationDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ScheduleOfRightOfUseAssetsTableTextBlock_019fc94a-c9da-7e30-8031-52d1b20cd881_terseLabel_en-US" xlink:label="lab_azul_ScheduleOfRightOfUseAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Right-of-Use Assets</link:label>
    <link:label id="lab_azul_ScheduleOfRightOfUseAssetsTableTextBlock_label_en-US" xlink:label="lab_azul_ScheduleOfRightOfUseAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Right-of-use Assets [Table Text Block]</link:label>
    <link:label id="lab_azul_ScheduleOfRightOfUseAssetsTableTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleOfRightOfUseAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Right-of-use Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleOfRightOfUseAssetsTableTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleOfRightOfUseAssetsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleOfRightOfUseAssetsTableTextBlock" xlink:to="lab_azul_ScheduleOfRightOfUseAssetsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_019fc94a-c9da-7f0f-98e0-3325599cb083_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest incurred</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_019fc94a-c9dc-7009-971d-5aa507afeb36_negatedLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest on lease</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense on lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpenseOnLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:to="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentOfFinancialAssetsAxis_019fc94a-c9d9-7119-8164-9c11abe7b40b_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_ImpairmentOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ImpairmentOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment of financial assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentOfFinancialAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_ImpairmentOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherPayables_019fc94a-c9db-7d62-8fe1-e57a26a7413d_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherPayables_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherPayables" xlink:to="lab_ifrs-full_TradeAndOtherPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosoureOfAdvancesToSuppliersTextBlock_019fc94a-c9d9-740d-af3d-3650e41ed6cc_terseLabel_en-US" xlink:label="lab_azul_DisclosoureOfAdvancesToSuppliersTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ADVANCES TO SUPPLIERS</link:label>
    <link:label id="lab_azul_DisclosoureOfAdvancesToSuppliersTextBlock_label_en-US" xlink:label="lab_azul_DisclosoureOfAdvancesToSuppliersTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosoure of advances to suppliers [Text Block]</link:label>
    <link:label id="lab_azul_DisclosoureOfAdvancesToSuppliersTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosoureOfAdvancesToSuppliersTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosoure of advances to suppliers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosoureOfAdvancesToSuppliersTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosoureOfAdvancesToSuppliersTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosoureOfAdvancesToSuppliersTextBlock" xlink:to="lab_azul_DisclosoureOfAdvancesToSuppliersTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable_019fc94a-c9db-7dd8-b362-261899ec6275_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherLiabilities1Member_019fc94a-c9db-785f-9745-39a8f35b7f96_terseLabel_en-US" xlink:label="lab_azul_OtherLiabilities1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_azul_OtherLiabilities1Member_label_en-US" xlink:label="lab_azul_OtherLiabilities1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other liabilities1 [Member]</link:label>
    <link:label id="lab_azul_OtherLiabilities1Member_documentation_en-US" xlink:label="lab_azul_OtherLiabilities1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other liabilities1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherLiabilities1Member" xlink:href="azul-20260828.xsd#azul_OtherLiabilities1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherLiabilities1Member" xlink:to="lab_azul_OtherLiabilities1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentOfFinancialAssetsDomain_019fc94a-c9d9-75c8-b1f9-dc545b047d1f_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment of financial assets [domain]</link:label>
    <link:label id="lab_ifrs-full_ImpairmentOfFinancialAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_ImpairmentOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment of financial assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentOfFinancialAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentOfFinancialAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_ImpairmentOfFinancialAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ForeignCurrencyTransactionsTextBlock_019fed73-5acd-7f40-9bb2-24cc02ac8bd5_terseLabel_en-US" xlink:label="lab_azul_ForeignCurrencyTransactionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">FOREIGN CURRENCY TRANSACTIONS</link:label>
    <link:label id="lab_azul_ForeignCurrencyTransactionsTextBlock_label_en-US" xlink:label="lab_azul_ForeignCurrencyTransactionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Currency Transactions [Text Block]</link:label>
    <link:label id="lab_azul_ForeignCurrencyTransactionsTextBlock_documentation_en-US" xlink:label="lab_azul_ForeignCurrencyTransactionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Currency Transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ForeignCurrencyTransactionsTextBlock" xlink:href="azul-20260828.xsd#azul_ForeignCurrencyTransactionsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ForeignCurrencyTransactionsTextBlock" xlink:to="lab_azul_ForeignCurrencyTransactionsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclsureOfCapitalCommitmentsLineItems_019fc94a-c9dc-77ac-a8d3-1c8eb6f5c29b_terseLabel_en-US" xlink:label="lab_azul_DisclsureOfCapitalCommitmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclsure of capital commitments [Line Items]</link:label>
    <link:label id="lab_azul_DisclsureOfCapitalCommitmentsLineItems_label_en-US" xlink:label="lab_azul_DisclsureOfCapitalCommitmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclsure of capital commitments [Line Items]</link:label>
    <link:label id="lab_azul_DisclsureOfCapitalCommitmentsLineItems_documentation_en-US" xlink:label="lab_azul_DisclsureOfCapitalCommitmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclsure of capital commitments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclsureOfCapitalCommitmentsLineItems" xlink:href="azul-20260828.xsd#azul_DisclsureOfCapitalCommitmentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclsureOfCapitalCommitmentsLineItems" xlink:to="lab_azul_DisclsureOfCapitalCommitmentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_019fc94a-c9dc-79d5-b378-999281e63e03_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_NetAdjustmentsToReconcileProfitLoss_019fcdb1-8e31-7027-91fe-63498fde602a_totalLabel_en-US" xlink:label="lab_azul_NetAdjustmentsToReconcileProfitLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Reconciled result</link:label>
    <link:label id="lab_azul_NetAdjustmentsToReconcileProfitLoss_label_en-US" xlink:label="lab_azul_NetAdjustmentsToReconcileProfitLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net adjustments to reconcile profit (loss)</link:label>
    <link:label id="lab_azul_NetAdjustmentsToReconcileProfitLoss_documentation_en-US" xlink:label="lab_azul_NetAdjustmentsToReconcileProfitLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net adjustments to reconcile profit (loss) to net cash flow from (used in) operating activities. This value includes Profit (Loss) in addition to reconciliation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_NetAdjustmentsToReconcileProfitLoss" xlink:href="azul-20260828.xsd#azul_NetAdjustmentsToReconcileProfitLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_NetAdjustmentsToReconcileProfitLoss" xlink:to="lab_azul_NetAdjustmentsToReconcileProfitLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory_019fc94a-c9d9-700c-9f50-8f0eae16c680_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ACCOUNTS RECEIVABLE</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of trade and other receivables [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AirportOperatingLicensesMember_019fc94a-c9da-7737-ac87-52c6be734c25_terseLabel_en-US" xlink:label="lab_azul_AirportOperatingLicensesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Slots</link:label>
    <link:label id="lab_azul_AirportOperatingLicensesMember_label_en-US" xlink:label="lab_azul_AirportOperatingLicensesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Airport operating licenses [Member]</link:label>
    <link:label id="lab_azul_AirportOperatingLicensesMember_documentation_en-US" xlink:label="lab_azul_AirportOperatingLicensesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a class of intangible assets representing airport operating licenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AirportOperatingLicensesMember" xlink:href="azul-20260828.xsd#azul_AirportOperatingLicensesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AirportOperatingLicensesMember" xlink:to="lab_azul_AirportOperatingLicensesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PastDueStatusAxis_019fc94a-c9d9-776e-8880-944305889194_terseLabel_en-US" xlink:label="lab_ifrs-full_PastDueStatusAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Past due status [axis]</link:label>
    <link:label id="lab_ifrs-full_PastDueStatusAxis_label_en-US" xlink:label="lab_ifrs-full_PastDueStatusAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Past due status [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PastDueStatusAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PastDueStatusAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastDueStatusAxis" xlink:to="lab_ifrs-full_PastDueStatusAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_FairValueOfConversionOfSharesLoss_019fef10-3a60-73df-bc3f-b8a3d1cae06d_terseLabel_en-US" xlink:label="lab_azul_FairValueOfConversionOfSharesLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of conversion of shares, loss</link:label>
    <link:label id="lab_azul_FairValueOfConversionOfSharesLoss_label_en-US" xlink:label="lab_azul_FairValueOfConversionOfSharesLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Of Conversion Of Shares, Loss</link:label>
    <link:label id="lab_azul_FairValueOfConversionOfSharesLoss_documentation_en-US" xlink:label="lab_azul_FairValueOfConversionOfSharesLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value Of Conversion Of Shares, Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_FairValueOfConversionOfSharesLoss" xlink:href="azul-20260828.xsd#azul_FairValueOfConversionOfSharesLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_FairValueOfConversionOfSharesLoss" xlink:to="lab_azul_FairValueOfConversionOfSharesLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GoodwillMember_019fc94a-c9da-71bb-a5ca-5cafb82b19a7_terseLabel_en-US" xlink:label="lab_ifrs-full_GoodwillMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:label id="lab_ifrs-full_GoodwillMember_label_en-US" xlink:label="lab_ifrs-full_GoodwillMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GoodwillMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GoodwillMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GoodwillMember" xlink:to="lab_ifrs-full_GoodwillMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_019fcdb1-8e32-713e-8afe-bab09013806f_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by operating activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_019fc94a-c9dc-7a96-8544-25c7cc967c1c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AircraftFinancingMember_019fc94a-c9da-75b3-8d44-594441a3639b_terseLabel_en-US" xlink:label="lab_azul_AircraftFinancingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aircraft Financing</link:label>
    <link:label id="lab_azul_AircraftFinancingMember_label_en-US" xlink:label="lab_azul_AircraftFinancingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aircraft Financing [Member]</link:label>
    <link:label id="lab_azul_AircraftFinancingMember_documentation_en-US" xlink:label="lab_azul_AircraftFinancingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aircraft financing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AircraftFinancingMember" xlink:href="azul-20260828.xsd#azul_AircraftFinancingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AircraftFinancingMember" xlink:to="lab_azul_AircraftFinancingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLiabilitiesAbstract_019fc94a-33e3-70a9-907d-e9bc5c227e43_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:to="lab_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_019fc94a-c9dc-7ae9-850b-7a766da140c6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SHARE-BASED INCENTIVE</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of share-based payment arrangements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IssuanceOfSharesMIPMember_01a03439-534e-7cc7-a854-1212c738cd05_terseLabel_en-US" xlink:label="lab_azul_IssuanceOfSharesMIPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance of shares &#8211; MIP</link:label>
    <link:label id="lab_azul_IssuanceOfSharesMIPMember_label_en-US" xlink:label="lab_azul_IssuanceOfSharesMIPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issuance of shares &#8211; MIP [Member]</link:label>
    <link:label id="lab_azul_IssuanceOfSharesMIPMember_documentation_en-US" xlink:label="lab_azul_IssuanceOfSharesMIPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Issuance of shares &#8211; MIP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IssuanceOfSharesMIPMember" xlink:href="azul-20260828.xsd#azul_IssuanceOfSharesMIPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IssuanceOfSharesMIPMember" xlink:to="lab_azul_IssuanceOfSharesMIPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ReconciliationOfChangesInDeferredTaxLiabilityAssetsMember_019fc94a-c9da-7d84-a848-e0915f5d1748_terseLabel_en-US" xlink:label="lab_azul_ReconciliationOfChangesInDeferredTaxLiabilityAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_azul_ReconciliationOfChangesInDeferredTaxLiabilityAssetsMember_label_en-US" xlink:label="lab_azul_ReconciliationOfChangesInDeferredTaxLiabilityAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in deferred tax liability (assets) [Member]</link:label>
    <link:label id="lab_azul_ReconciliationOfChangesInDeferredTaxLiabilityAssetsMember_documentation_en-US" xlink:label="lab_azul_ReconciliationOfChangesInDeferredTaxLiabilityAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in deferred tax liability (assets)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ReconciliationOfChangesInDeferredTaxLiabilityAssetsMember" xlink:href="azul-20260828.xsd#azul_ReconciliationOfChangesInDeferredTaxLiabilityAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ReconciliationOfChangesInDeferredTaxLiabilityAssetsMember" xlink:to="lab_azul_ReconciliationOfChangesInDeferredTaxLiabilityAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_NonCashTransactionAbstract_label_en-US" xlink:label="lab_azul_NonCashTransactionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-cash transaction [Abstract]</link:label>
    <link:label id="lab_azul_NonCashTransactionAbstract_documentation_en-US" xlink:label="lab_azul_NonCashTransactionAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-cash transaction [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_NonCashTransactionAbstract" xlink:href="azul-20260828.xsd#azul_NonCashTransactionAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_NonCashTransactionAbstract" xlink:to="lab_azul_NonCashTransactionAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract_019fcdb1-8e31-7bde-ba1c-1a05f9cb4f4f_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Result reconciliation items</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile profit (loss) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForReconcileProfitLossAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:to="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneYearMember_019fc94a-c9d9-7dbc-8ea0-656d61cf4bd0_verboseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Over 360 days</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearMember_019fc94a-c9da-7e97-b706-bd11bc354078_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2026</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one year [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanOneYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearMember" xlink:to="lab_ifrs-full_LaterThanOneYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BoardingTax_019fc94a-c9db-72cf-a0cc-8b9d8ed27a8a_terseLabel_en-US" xlink:label="lab_azul_BoardingTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Boarding fees</link:label>
    <link:label id="lab_azul_BoardingTax_label_en-US" xlink:label="lab_azul_BoardingTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Boarding tax</link:label>
    <link:label id="lab_azul_BoardingTax_documentation_en-US" xlink:label="lab_azul_BoardingTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information about boarding tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BoardingTax" xlink:href="azul-20260828.xsd#azul_BoardingTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BoardingTax" xlink:to="lab_azul_BoardingTax" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherAssetsSalaries_019fed8d-4c4e-7151-8f2e-1811c2c762c1_terseLabel_en-US" xlink:label="lab_azul_OtherAssetsSalaries" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Salaries</link:label>
    <link:label id="lab_azul_OtherAssetsSalaries_label_en-US" xlink:label="lab_azul_OtherAssetsSalaries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets, Salaries</link:label>
    <link:label id="lab_azul_OtherAssetsSalaries_documentation_en-US" xlink:label="lab_azul_OtherAssetsSalaries" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Assets, Salaries</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherAssetsSalaries" xlink:href="azul-20260828.xsd#azul_OtherAssetsSalaries"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherAssetsSalaries" xlink:to="lab_azul_OtherAssetsSalaries" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems_019fc94a-c9da-7479-baa4-a55041d974cc_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_StockholdersEquityNoteStockSplitDenominator_019fc94a-c9dc-7751-ad60-4a8c5b41e89a_terseLabel_en-US" xlink:label="lab_azul_StockholdersEquityNoteStockSplitDenominator" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stockholders equity note, stock split, denominator (in shares)</link:label>
    <link:label id="lab_azul_StockholdersEquityNoteStockSplitDenominator_label_en-US" xlink:label="lab_azul_StockholdersEquityNoteStockSplitDenominator" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders Equity Note, Stock Split, Denominator</link:label>
    <link:label id="lab_azul_StockholdersEquityNoteStockSplitDenominator_documentation_en-US" xlink:label="lab_azul_StockholdersEquityNoteStockSplitDenominator" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stockholders Equity Note, Stock Split, Denominator</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_StockholdersEquityNoteStockSplitDenominator" xlink:href="azul-20260828.xsd#azul_StockholdersEquityNoteStockSplitDenominator"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_StockholdersEquityNoteStockSplitDenominator" xlink:to="lab_azul_StockholdersEquityNoteStockSplitDenominator" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ProceedsFromPropertyAndEquipment_019fcdb1-8e32-71c5-942f-bb0ab9304eed_terseLabel_en-US" xlink:label="lab_azul_ProceedsFromPropertyAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash received on sale of property and equipment</link:label>
    <link:label id="lab_azul_ProceedsFromPropertyAndEquipment_label_en-US" xlink:label="lab_azul_ProceedsFromPropertyAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from property and equipment</link:label>
    <link:label id="lab_azul_ProceedsFromPropertyAndEquipment_documentation_en-US" xlink:label="lab_azul_ProceedsFromPropertyAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proceeds from property and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ProceedsFromPropertyAndEquipment" xlink:href="azul-20260828.xsd#azul_ProceedsFromPropertyAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ProceedsFromPropertyAndEquipment" xlink:to="lab_azul_ProceedsFromPropertyAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AzorraMember_019fc94a-c9db-79ff-a077-c5605e8515d5_terseLabel_en-US" xlink:label="lab_azul_AzorraMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Azorra</link:label>
    <link:label id="lab_azul_AzorraMember_label_en-US" xlink:label="lab_azul_AzorraMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Azorra [Member]</link:label>
    <link:label id="lab_azul_AzorraMember_documentation_en-US" xlink:label="lab_azul_AzorraMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Azorra</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AzorraMember" xlink:href="azul-20260828.xsd#azul_AzorraMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AzorraMember" xlink:to="lab_azul_AzorraMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ProvisionForAdvancesToSuppliersLossesAbstract_019fc94a-c9da-75bc-8ef4-817241c995d2_terseLabel_en-US" xlink:label="lab_azul_ProvisionForAdvancesToSuppliersLossesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision For Advances To Suppliers Losses [Abstract]</link:label>
    <link:label id="lab_azul_ProvisionForAdvancesToSuppliersLossesAbstract_label_en-US" xlink:label="lab_azul_ProvisionForAdvancesToSuppliersLossesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision For Advances To Suppliers Losses [Abstract]</link:label>
    <link:label id="lab_azul_ProvisionForAdvancesToSuppliersLossesAbstract_documentation_en-US" xlink:label="lab_azul_ProvisionForAdvancesToSuppliersLossesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision For Advances To Suppliers Losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ProvisionForAdvancesToSuppliersLossesAbstract" xlink:href="azul-20260828.xsd#azul_ProvisionForAdvancesToSuppliersLossesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ProvisionForAdvancesToSuppliersLossesAbstract" xlink:to="lab_azul_ProvisionForAdvancesToSuppliersLossesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherAssetsMember_019fc94a-c9dc-752a-839b-22d961acdd5b_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_ifrs-full_OtherAssetsMember_label_en-US" xlink:label="lab_ifrs-full_OtherAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAssetsMember" xlink:to="lab_ifrs-full_OtherAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AircraftROUMember_019fc94a-c9dc-79fa-b533-423b286baa80_terseLabel_en-US" xlink:label="lab_azul_AircraftROUMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessors</link:label>
    <link:label id="lab_azul_AircraftROUMember_label_en-US" xlink:label="lab_azul_AircraftROUMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aircraft ROU [Member]</link:label>
    <link:label id="lab_azul_AircraftROUMember_documentation_en-US" xlink:label="lab_azul_AircraftROUMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aircraft ROU</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AircraftROUMember" xlink:href="azul-20260828.xsd#azul_AircraftROUMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AircraftROUMember" xlink:to="lab_azul_AircraftROUMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesDomain_019fc94a-c9dc-731e-b7bb-caedd89a8e75_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of interest rates</link:label>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of interest rates [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfInterestRatesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfInterestRatesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfInterestRatesDomain" xlink:to="lab_ifrs-full_TypesOfInterestRatesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_VRGlobalMember_019fd8c4-3194-7e72-a7b7-e31a9bf3a283_terseLabel_en-US" xlink:label="lab_azul_VRGlobalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">VR Global</link:label>
    <link:label id="lab_azul_VRGlobalMember_label_en-US" xlink:label="lab_azul_VRGlobalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">VR Global [Member]</link:label>
    <link:label id="lab_azul_VRGlobalMember_documentation_en-US" xlink:label="lab_azul_VRGlobalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">VR Global</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_VRGlobalMember" xlink:href="azul-20260828.xsd#azul_VRGlobalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_VRGlobalMember" xlink:to="lab_azul_VRGlobalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AircraftAcquisitionMember_019fc94a-c9dc-749a-8000-28bb6d3e3f9e_terseLabel_en-US" xlink:label="lab_azul_AircraftAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Manufacturers</link:label>
    <link:label id="lab_azul_AircraftAcquisitionMember_label_en-US" xlink:label="lab_azul_AircraftAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aircraft Acquisition [Member]</link:label>
    <link:label id="lab_azul_AircraftAcquisitionMember_documentation_en-US" xlink:label="lab_azul_AircraftAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aircraft acquisition member.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AircraftAcquisitionMember" xlink:href="azul-20260828.xsd#azul_AircraftAcquisitionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AircraftAcquisitionMember" xlink:to="lab_azul_AircraftAcquisitionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfProvisionsAxis_019fc94a-c9db-7535-b39f-85f74b2eb0e0_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of other provisions [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfProvisionsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of other provisions [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfProvisionsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfProvisionsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfProvisionsAxis" xlink:to="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AirTrafficLiabilityAbstract_label_en-US" xlink:label="lab_azul_AirTrafficLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Air traffic liability [Abstract]</link:label>
    <link:label id="lab_azul_AirTrafficLiabilityAbstract_documentation_en-US" xlink:label="lab_azul_AirTrafficLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Air traffic liability abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AirTrafficLiabilityAbstract" xlink:href="azul-20260828.xsd#azul_AirTrafficLiabilityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AirTrafficLiabilityAbstract" xlink:to="lab_azul_AirTrafficLiabilityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDebtSecuritiesExplanatory_019fc94a-c9da-7258-8d65-18cd88b1d835_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loans and Financing</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDebtSecuritiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of debt instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDebtSecuritiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_FinancialCovenantsFrequencyOfMeasurementQuarterlyMember_019fc94a-c9da-7eda-b14b-02ab4755ca17_terseLabel_en-US" xlink:label="lab_azul_FinancialCovenantsFrequencyOfMeasurementQuarterlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial covenants, frequency of measurement, quarterly</link:label>
    <link:label id="lab_azul_FinancialCovenantsFrequencyOfMeasurementQuarterlyMember_label_en-US" xlink:label="lab_azul_FinancialCovenantsFrequencyOfMeasurementQuarterlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial covenants, frequency of measurement, quarterly [Member]</link:label>
    <link:label id="lab_azul_FinancialCovenantsFrequencyOfMeasurementQuarterlyMember_documentation_en-US" xlink:label="lab_azul_FinancialCovenantsFrequencyOfMeasurementQuarterlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial covenants, frequency of measurement, quarterly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_FinancialCovenantsFrequencyOfMeasurementQuarterlyMember" xlink:href="azul-20260828.xsd#azul_FinancialCovenantsFrequencyOfMeasurementQuarterlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_FinancialCovenantsFrequencyOfMeasurementQuarterlyMember" xlink:to="lab_azul_FinancialCovenantsFrequencyOfMeasurementQuarterlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ForwardForeignCurrencyMember_019fd7d8-3c2a-7f51-8df8-a4c2a3a26d36_terseLabel_en-US" xlink:label="lab_azul_ForwardForeignCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forward - Foreign Currency</link:label>
    <link:label id="lab_azul_ForwardForeignCurrencyMember_label_en-US" xlink:label="lab_azul_ForwardForeignCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward - Foreign Currency [Member]</link:label>
    <link:label id="lab_azul_ForwardForeignCurrencyMember_documentation_en-US" xlink:label="lab_azul_ForwardForeignCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forward - Foreign Currency</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ForwardForeignCurrencyMember" xlink:href="azul-20260828.xsd#azul_ForwardForeignCurrencyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ForwardForeignCurrencyMember" xlink:to="lab_azul_ForwardForeignCurrencyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_019ff111-18a6-79d0-ab4d-ecd24f49db11_terseLabel_en-US" xlink:label="lab_srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares buyback plan (in shares)</link:label>
    <link:label id="lab_srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_label_en-US" xlink:label="lab_srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Repurchase Program, Authorized, Number of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:to="lab_srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_WeightedAverageMember_019fc94a-c9da-794e-b54c-00cf5b01257c_terseLabel_en-US" xlink:label="lab_srt_WeightedAverageMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average rate (p.a.)</link:label>
    <link:label id="lab_srt_WeightedAverageMember_label_en-US" xlink:label="lab_srt_WeightedAverageMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_WeightedAverageMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_WeightedAverageMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_WeightedAverageMember" xlink:to="lab_srt_WeightedAverageMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfIntangibles_019fc94a-c9dc-703b-82c8-de4833acdde9_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfIntangibles" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition of intangible</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfIntangibles_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfIntangibles" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Acquisition of Intangibles</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfIntangibles_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfIntangibles" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Acquisition of Intangibles</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughNoncashAcquisitionOfIntangibles" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughNoncashAcquisitionOfIntangibles"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughNoncashAcquisitionOfIntangibles" xlink:to="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfIntangibles" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ConvertibleDebtInstrumentsMember_019fc94a-c9dc-7402-98f5-75fb708f89b7_terseLabel_en-US" xlink:label="lab_azul_ConvertibleDebtInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible debt instruments</link:label>
    <link:label id="lab_azul_ConvertibleDebtInstrumentsMember_label_en-US" xlink:label="lab_azul_ConvertibleDebtInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Debt Instruments [Member]</link:label>
    <link:label id="lab_azul_ConvertibleDebtInstrumentsMember_documentation_en-US" xlink:label="lab_azul_ConvertibleDebtInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Convertible Debt Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ConvertibleDebtInstrumentsMember" xlink:href="azul-20260828.xsd#azul_ConvertibleDebtInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ConvertibleDebtInstrumentsMember" xlink:to="lab_azul_ConvertibleDebtInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract_019fc94a-c9da-7802-9539-2990ae46612f_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments to determine the effective rate</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax expense (income) and adjustments for current tax of prior periods [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:to="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SeniorNotes2LDue2030Member_019fc94a-c9da-7400-a21a-78667ed5bc63_terseLabel_en-US" xlink:label="lab_azul_SeniorNotes2LDue2030Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior notes 2L &#8211; 2030</link:label>
    <link:label id="lab_azul_SeniorNotes2LDue2030Member_label_en-US" xlink:label="lab_azul_SeniorNotes2LDue2030Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior notes 2L due 2030 [Member]</link:label>
    <link:label id="lab_azul_SeniorNotes2LDue2030Member_documentation_en-US" xlink:label="lab_azul_SeniorNotes2LDue2030Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior notes 2L due 2030</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SeniorNotes2LDue2030Member" xlink:href="azul-20260828.xsd#azul_SeniorNotes2LDue2030Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SeniorNotes2LDue2030Member" xlink:to="lab_azul_SeniorNotes2LDue2030Member" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SeniorNotes2029Member_019fc94a-c9da-7066-8c12-cb28914ac730_terseLabel_en-US" xlink:label="lab_azul_SeniorNotes2029Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior notes &#8211; 2029</link:label>
    <link:label id="lab_azul_SeniorNotes2029Member_label_en-US" xlink:label="lab_azul_SeniorNotes2029Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior notes 2029 [Member]</link:label>
    <link:label id="lab_azul_SeniorNotes2029Member_documentation_en-US" xlink:label="lab_azul_SeniorNotes2029Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior notes 2029</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SeniorNotes2029Member" xlink:href="azul-20260828.xsd#azul_SeniorNotes2029Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SeniorNotes2029Member" xlink:to="lab_azul_SeniorNotes2029Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk_019fc94a-c9dc-7538-9f95-95d3c37d6f50_terseLabel_en-US" xlink:label="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Sensitivity Analysis of Financial Instruments</link:label>
    <link:label id="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk_label_en-US" xlink:label="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity analysis for types of market risk [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:to="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_019fc94a-c9db-77af-95be-51ee0285bd03_totalLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total compensation</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensation" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensation" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ExecutedLettersOfCreditMember_019fc94a-c9da-7b36-bad4-2a978d3137ba_terseLabel_en-US" xlink:label="lab_azul_ExecutedLettersOfCreditMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Executed letters of credit</link:label>
    <link:label id="lab_azul_ExecutedLettersOfCreditMember_label_en-US" xlink:label="lab_azul_ExecutedLettersOfCreditMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Executed letters of credit [Member]</link:label>
    <link:label id="lab_azul_ExecutedLettersOfCreditMember_documentation_en-US" xlink:label="lab_azul_ExecutedLettersOfCreditMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Executed letters of credit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ExecutedLettersOfCreditMember" xlink:href="azul-20260828.xsd#azul_ExecutedLettersOfCreditMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ExecutedLettersOfCreditMember" xlink:to="lab_azul_ExecutedLettersOfCreditMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashCostsOfDIP_019fc94a-c9dc-707f-9717-5b64296585f2_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashCostsOfDIP" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">DIP Costs</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashCostsOfDIP_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashCostsOfDIP" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Costs Of DIP</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashCostsOfDIP_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashCostsOfDIP" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Costs Of DIP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughNoncashCostsOfDIP" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughNoncashCostsOfDIP"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughNoncashCostsOfDIP" xlink:to="lab_azul_IncreaseDecreaseThroughNoncashCostsOfDIP" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ReversalsInBreakdownOfSecurity_019fc94a-c9d9-77f8-924c-ada80508071f_terseLabel_en-US" xlink:label="lab_azul_ReversalsInBreakdownOfSecurity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reversals</link:label>
    <link:label id="lab_azul_ReversalsInBreakdownOfSecurity_label_en-US" xlink:label="lab_azul_ReversalsInBreakdownOfSecurity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reversals in breakdown of security</link:label>
    <link:label id="lab_azul_ReversalsInBreakdownOfSecurity_documentation_en-US" xlink:label="lab_azul_ReversalsInBreakdownOfSecurity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reversals in breakdown of security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ReversalsInBreakdownOfSecurity" xlink:href="azul-20260828.xsd#azul_ReversalsInBreakdownOfSecurity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ReversalsInBreakdownOfSecurity" xlink:to="lab_azul_ReversalsInBreakdownOfSecurity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfInventoriesAbstract_label_en-US" xlink:label="lab_ifrs-full_ClassesOfInventoriesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of current inventories [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfInventoriesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfInventoriesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfInventoriesAbstract" xlink:to="lab_ifrs-full_ClassesOfInventoriesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherFinanceCost_019fc94a-c9dc-77c4-9b43-1361c193668b_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_OtherFinanceCost" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_ifrs-full_OtherFinanceCost_label_en-US" xlink:label="lab_ifrs-full_OtherFinanceCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other finance cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherFinanceCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherFinanceCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherFinanceCost" xlink:to="lab_ifrs-full_OtherFinanceCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable_019fc94a-c9da-7173-8376-aac62bf1bad7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for amortisation of long term debit [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanSixMonthsMember_019fc94a-c9d9-7da9-8d47-958ce9f8cd76_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanSixMonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">91 to 180 days</link:label>
    <link:label id="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanSixMonthsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanSixMonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than three months and not later than six months [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanThreeMonthsAndNotLaterThanSixMonthsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanThreeMonthsAndNotLaterThanSixMonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanThreeMonthsAndNotLaterThanSixMonthsMember" xlink:to="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanSixMonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets_019fc94a-c9d9-7a4d-afad-d5f0f5d45fd2_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in other assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OrdinarySharesMember_019fc94a-33e3-7945-9492-b012ce02b08a_terseLabel_en-US" xlink:label="lab_ifrs-full_OrdinarySharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common shares</link:label>
    <link:label id="lab_ifrs-full_OrdinarySharesMember_label_en-US" xlink:label="lab_ifrs-full_OrdinarySharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ordinary shares [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OrdinarySharesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OrdinarySharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OrdinarySharesMember" xlink:to="lab_ifrs-full_OrdinarySharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherAssetsInformationTechnology_019fed8d-cff6-756a-9ba1-8fc9e7f1e915_terseLabel_en-US" xlink:label="lab_azul_OtherAssetsInformationTechnology" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Information technology</link:label>
    <link:label id="lab_azul_OtherAssetsInformationTechnology_label_en-US" xlink:label="lab_azul_OtherAssetsInformationTechnology" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets, Information Technology</link:label>
    <link:label id="lab_azul_OtherAssetsInformationTechnology_documentation_en-US" xlink:label="lab_azul_OtherAssetsInformationTechnology" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Assets, Information Technology</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherAssetsInformationTechnology" xlink:href="azul-20260828.xsd#azul_OtherAssetsInformationTechnology"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherAssetsInformationTechnology" xlink:to="lab_azul_OtherAssetsInformationTechnology" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CompositionOfOtherAssetsTableTextBlock_019fc94a-c9da-745c-b9b7-723e6817e5fc_terseLabel_en-US" xlink:label="lab_azul_CompositionOfOtherAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Composition of Other Assets</link:label>
    <link:label id="lab_azul_CompositionOfOtherAssetsTableTextBlock_label_en-US" xlink:label="lab_azul_CompositionOfOtherAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Composition of other assets [Table Text Block]</link:label>
    <link:label id="lab_azul_CompositionOfOtherAssetsTableTextBlock_documentation_en-US" xlink:label="lab_azul_CompositionOfOtherAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Composition of other assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CompositionOfOtherAssetsTableTextBlock" xlink:href="azul-20260828.xsd#azul_CompositionOfOtherAssetsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CompositionOfOtherAssetsTableTextBlock" xlink:to="lab_azul_CompositionOfOtherAssetsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfCapitalizedMaintenance_019fc94a-c9dc-7025-964e-5d791ae64b9d_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfCapitalizedMaintenance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition of capitalized maintenance</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfCapitalizedMaintenance_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfCapitalizedMaintenance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Acquisition Of Capitalized Maintenance</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfCapitalizedMaintenance_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfCapitalizedMaintenance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Acquisition Of Capitalized Maintenance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughNoncashAcquisitionOfCapitalizedMaintenance" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughNoncashAcquisitionOfCapitalizedMaintenance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughNoncashAcquisitionOfCapitalizedMaintenance" xlink:to="lab_azul_IncreaseDecreaseThroughNoncashAcquisitionOfCapitalizedMaintenance" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory_019fc94a-c9db-7538-bbea-32e8cc6c6d06_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EARNINGS PER SHARE</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of earnings per share [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEarningsPerShareExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_019fc94a-c9d9-7d87-b342-5153087062de_verboseLabel_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount</link:label>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_019fc94a-c9da-764c-b171-832acdc72d33_terseLabel_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost</link:label>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross carrying amount [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossCarryingAmountMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossCarryingAmountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossCarryingAmountMember" xlink:to="lab_ifrs-full_GrossCarryingAmountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayables_019fc94a-33e3-7a62-8d4d-7553f81daf75_verboseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayables_019fc94a-c9db-77ef-912a-872776318661_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayables_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other current payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentPayables" xlink:to="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInventoriesExplanatory_019fc94a-c9d9-7b2c-bd37-7fc5dcb76ba2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">INVENTORIES</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInventoriesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of inventories [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInventoriesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities_019fc94a-c9d9-7033-9d2c-5b20998981d6_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in other liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_FinancialCovenantsDomain_019fc94a-c9da-7d26-a5f6-dfbac97cb599_terseLabel_en-US" xlink:label="lab_azul_FinancialCovenantsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial covenants [Domain]</link:label>
    <link:label id="lab_azul_FinancialCovenantsDomain_label_en-US" xlink:label="lab_azul_FinancialCovenantsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial covenants [Domain]</link:label>
    <link:label id="lab_azul_FinancialCovenantsDomain_documentation_en-US" xlink:label="lab_azul_FinancialCovenantsDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial covenants [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_FinancialCovenantsDomain" xlink:href="azul-20260828.xsd#azul_FinancialCovenantsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_FinancialCovenantsDomain" xlink:to="lab_azul_FinancialCovenantsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_019fc94a-c9d9-74f7-bb98-038ae0a0b44b_terseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2026</link:label>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_019fc94a-c9da-79a9-a4f0-f10e98af66d1_verboseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2025</link:label>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_label_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Not later than one year [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotLaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotLaterThanOneYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotLaterThanOneYearMember" xlink:to="lab_ifrs-full_NotLaterThanOneYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AirportTaxesAndFeesTableTextBlock_019fc94a-c9db-7058-85f6-97bf93459594_terseLabel_en-US" xlink:label="lab_azul_AirportTaxesAndFeesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Break Down of Airport Taxes and Fees</link:label>
    <link:label id="lab_azul_AirportTaxesAndFeesTableTextBlock_label_en-US" xlink:label="lab_azul_AirportTaxesAndFeesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Airport taxes and fees [Table Text Block]</link:label>
    <link:label id="lab_azul_AirportTaxesAndFeesTableTextBlock_documentation_en-US" xlink:label="lab_azul_AirportTaxesAndFeesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents tabular disclosure of airport taxes and fees.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AirportTaxesAndFeesTableTextBlock" xlink:href="azul-20260828.xsd#azul_AirportTaxesAndFeesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AirportTaxesAndFeesTableTextBlock" xlink:to="lab_azul_AirportTaxesAndFeesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilities_019fc94a-c9db-7851-9251-b55a2664f810_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current tax liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxLiabilities" xlink:to="lab_ifrs-full_CurrentTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ExitNotesMember_019fce71-a1af-7ef4-a95f-3b6601cf9217_terseLabel_en-US" xlink:label="lab_azul_ExitNotesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exit notes</link:label>
    <link:label id="lab_azul_ExitNotesMember_label_en-US" xlink:label="lab_azul_ExitNotesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exit Notes [Member]</link:label>
    <link:label id="lab_azul_ExitNotesMember_documentation_en-US" xlink:label="lab_azul_ExitNotesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exit Notes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ExitNotesMember" xlink:href="azul-20260828.xsd#azul_ExitNotesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ExitNotesMember" xlink:to="lab_azul_ExitNotesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DiscountedAccountsFromAccountsReceivableFromCreditCardCompanies_019fc94a-c9d9-726f-b633-540a9e85da02_terseLabel_en-US" xlink:label="lab_azul_DiscountedAccountsFromAccountsReceivableFromCreditCardCompanies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discounted accounts from accounts receivable from credit card companies</link:label>
    <link:label id="lab_azul_DiscountedAccountsFromAccountsReceivableFromCreditCardCompanies_label_en-US" xlink:label="lab_azul_DiscountedAccountsFromAccountsReceivableFromCreditCardCompanies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discounted accounts from accounts receivable from credit card companies</link:label>
    <link:label id="lab_azul_DiscountedAccountsFromAccountsReceivableFromCreditCardCompanies_documentation_en-US" xlink:label="lab_azul_DiscountedAccountsFromAccountsReceivableFromCreditCardCompanies" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Discounted accounts from accounts receivable from credit card companies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DiscountedAccountsFromAccountsReceivableFromCreditCardCompanies" xlink:href="azul-20260828.xsd#azul_DiscountedAccountsFromAccountsReceivableFromCreditCardCompanies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DiscountedAccountsFromAccountsReceivableFromCreditCardCompanies" xlink:to="lab_azul_DiscountedAccountsFromAccountsReceivableFromCreditCardCompanies" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_FinancialIncomeAbstract_019fc94a-c9dc-7c4b-b3ce-249d38deca74_terseLabel_en-US" xlink:label="lab_azul_FinancialIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial income</link:label>
    <link:label id="lab_azul_FinancialIncomeAbstract_label_en-US" xlink:label="lab_azul_FinancialIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Income [abstract]</link:label>
    <link:label id="lab_azul_FinancialIncomeAbstract_documentation_en-US" xlink:label="lab_azul_FinancialIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial income [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_FinancialIncomeAbstract" xlink:href="azul-20260828.xsd#azul_FinancialIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_FinancialIncomeAbstract" xlink:to="lab_azul_FinancialIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ScheduleShortTermInvestmentsMeasuredAtFairValueThroughProfitOrLossTableTextBlock_019fc94a-c9d9-708d-85ac-f441e3e07dc7_terseLabel_en-US" xlink:label="lab_azul_ScheduleShortTermInvestmentsMeasuredAtFairValueThroughProfitOrLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Short and Long-Term Investments</link:label>
    <link:label id="lab_azul_ScheduleShortTermInvestmentsMeasuredAtFairValueThroughProfitOrLossTableTextBlock_label_en-US" xlink:label="lab_azul_ScheduleShortTermInvestmentsMeasuredAtFairValueThroughProfitOrLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule short-term investments measured at fair value through profit or loss [Table Text Block]</link:label>
    <link:label id="lab_azul_ScheduleShortTermInvestmentsMeasuredAtFairValueThroughProfitOrLossTableTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleShortTermInvestmentsMeasuredAtFairValueThroughProfitOrLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule short-term investments measured at fair value through profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleShortTermInvestmentsMeasuredAtFairValueThroughProfitOrLossTableTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleShortTermInvestmentsMeasuredAtFairValueThroughProfitOrLossTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleShortTermInvestmentsMeasuredAtFairValueThroughProfitOrLossTableTextBlock" xlink:to="lab_azul_ScheduleShortTermInvestmentsMeasuredAtFairValueThroughProfitOrLossTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SecurityDepositsAndMaintenanceMember_019fc94a-c9d9-719f-bcd3-92ab28e6886c_terseLabel_en-US" xlink:label="lab_azul_SecurityDepositsAndMaintenanceMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Security deposits and maintenance</link:label>
    <link:label id="lab_azul_SecurityDepositsAndMaintenanceMember_label_en-US" xlink:label="lab_azul_SecurityDepositsAndMaintenanceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Security deposits and maintenance [Member]</link:label>
    <link:label id="lab_azul_SecurityDepositsAndMaintenanceMember_documentation_en-US" xlink:label="lab_azul_SecurityDepositsAndMaintenanceMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Security deposits and maintenance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SecurityDepositsAndMaintenanceMember" xlink:href="azul-20260828.xsd#azul_SecurityDepositsAndMaintenanceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SecurityDepositsAndMaintenanceMember" xlink:to="lab_azul_SecurityDepositsAndMaintenanceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LongtermBorrowings_019fc94a-33e3-77e9-ae92-359d49f0fdb9_terseLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and financing</link:label>
    <link:label id="lab_ifrs-full_LongtermBorrowings_019fc94a-c9da-7e2e-90d3-8293d6c8d219_verboseLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_LongtermBorrowings_019fc94a-c9da-7441-ac95-ee4cafac8cf3_netLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_LongtermBorrowings_label_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current portion of non-current borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LongtermBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermBorrowings" xlink:to="lab_ifrs-full_LongtermBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_019fcdb1-8e31-7599-9358-b377e2aae16e_verboseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInInventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentMember_019fc94a-c9da-758b-a216-776d0fa7f230_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property and equipment</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentMember_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="lab_ifrs-full_PropertyPlantAndEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems_019fc94a-c9d9-75ae-9dc3-fc7151cbebaa_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of short and long term investments [Line Items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems_019fc94a-c9d9-72c3-8dee-d82c74afe795_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProvisionForTaxesOtherThanIncomeTaxMember_019fc94a-c9db-7aba-9d97-8dab49356ce8_terseLabel_en-US" xlink:label="lab_ifrs-full_ProvisionForTaxesOtherThanIncomeTaxMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax</link:label>
    <link:label id="lab_ifrs-full_ProvisionForTaxesOtherThanIncomeTaxMember_label_en-US" xlink:label="lab_ifrs-full_ProvisionForTaxesOtherThanIncomeTaxMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for taxes other than income tax [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProvisionForTaxesOtherThanIncomeTaxMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProvisionForTaxesOtherThanIncomeTaxMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionForTaxesOtherThanIncomeTaxMember" xlink:to="lab_ifrs-full_ProvisionForTaxesOtherThanIncomeTaxMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_019fcdb1-8e32-7c10-affd-795b81273253_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Funding</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from borrowings, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_August2026Member_019fce6b-fca9-79ab-8737-a1ab584cc558_terseLabel_en-US" xlink:label="lab_azul_August2026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aug-26</link:label>
    <link:label id="lab_azul_August2026Member_label_en-US" xlink:label="lab_azul_August2026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">August 2026 [Member]</link:label>
    <link:label id="lab_azul_August2026Member_documentation_en-US" xlink:label="lab_azul_August2026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">August 2026</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_August2026Member" xlink:href="azul-20260828.xsd#azul_August2026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_August2026Member" xlink:to="lab_azul_August2026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherAssetsOthers_019fc94a-c9da-7a9e-b3a7-bbb7574e77cf_terseLabel_en-US" xlink:label="lab_azul_OtherAssetsOthers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_azul_OtherAssetsOthers_label_en-US" xlink:label="lab_azul_OtherAssetsOthers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other assets, others</link:label>
    <link:label id="lab_azul_OtherAssetsOthers_documentation_en-US" xlink:label="lab_azul_OtherAssetsOthers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other assets, others</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherAssetsOthers" xlink:href="azul-20260828.xsd#azul_OtherAssetsOthers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherAssetsOthers" xlink:to="lab_azul_OtherAssetsOthers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_019fcdb1-8e32-72fb-9e16-540d47554dbd_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Leases</link:label>
    <link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of lease liabilities, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_WriteOffsOfDerivativeInstruments_019fef19-5c98-713b-966f-0b912ed61e8a_terseLabel_en-US" xlink:label="lab_azul_WriteOffsOfDerivativeInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Write-offs</link:label>
    <link:label id="lab_azul_WriteOffsOfDerivativeInstruments_label_en-US" xlink:label="lab_azul_WriteOffsOfDerivativeInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Write-Offs Of Derivative Instruments</link:label>
    <link:label id="lab_azul_WriteOffsOfDerivativeInstruments_documentation_en-US" xlink:label="lab_azul_WriteOffsOfDerivativeInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Write-Offs Of Derivative Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_WriteOffsOfDerivativeInstruments" xlink:href="azul-20260828.xsd#azul_WriteOffsOfDerivativeInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_WriteOffsOfDerivativeInstruments" xlink:to="lab_azul_WriteOffsOfDerivativeInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_December2035Member_019fce72-4803-7522-b062-ad57598f48e2_terseLabel_en-US" xlink:label="lab_azul_December2035Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dec-35</link:label>
    <link:label id="lab_azul_December2035Member_label_en-US" xlink:label="lab_azul_December2035Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">December 2035 [Member]</link:label>
    <link:label id="lab_azul_December2035Member_documentation_en-US" xlink:label="lab_azul_December2035Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">December 2035</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_December2035Member" xlink:href="azul-20260828.xsd#azul_December2035Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_December2035Member" xlink:to="lab_azul_December2035Member" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LeaseRenegotiationNotesInTheEquivalentValueMember_019fc94a-c9da-7f84-ad66-dac61b477aab_terseLabel_en-US" xlink:label="lab_azul_LeaseRenegotiationNotesInTheEquivalentValueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leases &#8211; Notes</link:label>
    <link:label id="lab_azul_LeaseRenegotiationNotesInTheEquivalentValueMember_label_en-US" xlink:label="lab_azul_LeaseRenegotiationNotesInTheEquivalentValueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease renegotiation, notes in the equivalent value [Member]</link:label>
    <link:label id="lab_azul_LeaseRenegotiationNotesInTheEquivalentValueMember_documentation_en-US" xlink:label="lab_azul_LeaseRenegotiationNotesInTheEquivalentValueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lease renegotiation, notes in the equivalent value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LeaseRenegotiationNotesInTheEquivalentValueMember" xlink:href="azul-20260828.xsd#azul_LeaseRenegotiationNotesInTheEquivalentValueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LeaseRenegotiationNotesInTheEquivalentValueMember" xlink:to="lab_azul_LeaseRenegotiationNotesInTheEquivalentValueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ScheduleOfFinancialDisbursementsOfContractualCommitmentsTextBlock_019fc94a-c9dc-741c-a13c-b2ae21d5188b_terseLabel_en-US" xlink:label="lab_azul_ScheduleOfFinancialDisbursementsOfContractualCommitmentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Disbursements of Contractual Commitments</link:label>
    <link:label id="lab_azul_ScheduleOfFinancialDisbursementsOfContractualCommitmentsTextBlock_label_en-US" xlink:label="lab_azul_ScheduleOfFinancialDisbursementsOfContractualCommitmentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of financial disbursements of contractual commitments [Text Block]</link:label>
    <link:label id="lab_azul_ScheduleOfFinancialDisbursementsOfContractualCommitmentsTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleOfFinancialDisbursementsOfContractualCommitmentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of financial disbursements of contractual commitments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleOfFinancialDisbursementsOfContractualCommitmentsTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleOfFinancialDisbursementsOfContractualCommitmentsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleOfFinancialDisbursementsOfContractualCommitmentsTextBlock" xlink:to="lab_azul_ScheduleOfFinancialDisbursementsOfContractualCommitmentsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityRegistrantName_019ff1b0-ac5a-7baa-8080-c67cdefa75e7_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_label_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName" xlink:to="lab_dei_EntityRegistrantName" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_019fc94a-33e3-70a3-992a-0f500b1c6240_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic income (loss) per common share &#8211; R$ (in brazilian real per share)</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_019fc94a-c9dc-7eaa-aa52-843662010236_verboseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Basic income (loss) per common and preferred share (in brazilian real per share)</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_label_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic earnings (loss) per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsLossPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsLossPerShare" xlink:to="lab_ifrs-full_BasicEarningsLossPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherTaxesRecoverable_019fc94a-c9d9-75bc-93ba-8b0e9c8989d2_terseLabel_en-US" xlink:label="lab_azul_OtherTaxesRecoverable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_azul_OtherTaxesRecoverable_label_en-US" xlink:label="lab_azul_OtherTaxesRecoverable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other taxes recoverable</link:label>
    <link:label id="lab_azul_OtherTaxesRecoverable_documentation_en-US" xlink:label="lab_azul_OtherTaxesRecoverable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other taxes recoverable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherTaxesRecoverable" xlink:href="azul-20260828.xsd#azul_OtherTaxesRecoverable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherTaxesRecoverable" xlink:to="lab_azul_OtherTaxesRecoverable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_019fcdb1-8e31-79d1-917e-cf309e145484_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency exchange, net</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for unrealised foreign exchange losses (gains)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:to="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiquidityRiskMember_019fc94a-c9dc-7292-8d4b-fd00ebaa5711_terseLabel_en-US" xlink:label="lab_ifrs-full_LiquidityRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liquidity risk</link:label>
    <link:label id="lab_ifrs-full_LiquidityRiskMember_label_en-US" xlink:label="lab_ifrs-full_LiquidityRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liquidity risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiquidityRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiquidityRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiquidityRiskMember" xlink:to="lab_ifrs-full_LiquidityRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MeasurementAxis_019fc94a-c9dc-7fd1-9430-c116fa9f399f_terseLabel_en-US" xlink:label="lab_ifrs-full_MeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement [axis]</link:label>
    <link:label id="lab_ifrs-full_MeasurementAxis_label_en-US" xlink:label="lab_ifrs-full_MeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MeasurementAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MeasurementAxis" xlink:to="lab_ifrs-full_MeasurementAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseInIssuedCapital_019fcdb1-8e32-710e-8a78-6ddaa180f059_negatedLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseInIssuedCapital" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Capital increase</link:label>
    <link:label id="lab_azul_IncreaseDecreaseInIssuedCapital_label_en-US" xlink:label="lab_azul_IncreaseDecreaseInIssuedCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in issued capital</link:label>
    <link:label id="lab_azul_IncreaseDecreaseInIssuedCapital_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseInIssuedCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (decrease) in issued capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseInIssuedCapital" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseInIssuedCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseInIssuedCapital" xlink:to="lab_azul_IncreaseDecreaseInIssuedCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ScheduleOfAccountsReceivablePastDueTableTextBlock_019fc94a-c9d9-7b45-a9c4-b8f570745620_terseLabel_en-US" xlink:label="lab_azul_ScheduleOfAccountsReceivablePastDueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Accounts Receivable Past Due</link:label>
    <link:label id="lab_azul_ScheduleOfAccountsReceivablePastDueTableTextBlock_label_en-US" xlink:label="lab_azul_ScheduleOfAccountsReceivablePastDueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Accounts receivable past due [Table Text Block]</link:label>
    <link:label id="lab_azul_ScheduleOfAccountsReceivablePastDueTableTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleOfAccountsReceivablePastDueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Accounts receivable past due</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleOfAccountsReceivablePastDueTableTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleOfAccountsReceivablePastDueTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleOfAccountsReceivablePastDueTableTextBlock" xlink:to="lab_azul_ScheduleOfAccountsReceivablePastDueTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ShortTermInvestmentsClassifiedAsAutomaticApplicationDIP_019feeec-62db-7213-b048-cfc7080cc51d_terseLabel_en-US" xlink:label="lab_azul_ShortTermInvestmentsClassifiedAsAutomaticApplicationDIP" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Automatic application - DIP</link:label>
    <link:label id="lab_azul_ShortTermInvestmentsClassifiedAsAutomaticApplicationDIP_label_en-US" xlink:label="lab_azul_ShortTermInvestmentsClassifiedAsAutomaticApplicationDIP" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term investments, classified as automatic application, DIP</link:label>
    <link:label id="lab_azul_ShortTermInvestmentsClassifiedAsAutomaticApplicationDIP_documentation_en-US" xlink:label="lab_azul_ShortTermInvestmentsClassifiedAsAutomaticApplicationDIP" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Short-term investments, classified as automatic application, DIP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ShortTermInvestmentsClassifiedAsAutomaticApplicationDIP" xlink:href="azul-20260828.xsd#azul_ShortTermInvestmentsClassifiedAsAutomaticApplicationDIP"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ShortTermInvestmentsClassifiedAsAutomaticApplicationDIP" xlink:to="lab_azul_ShortTermInvestmentsClassifiedAsAutomaticApplicationDIP" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ScheduleOfAirTrafficLiabilityExplanatoryTextBlock_019fc94a-c9db-7408-b31f-c65edbb2e9e3_terseLabel_en-US" xlink:label="lab_azul_ScheduleOfAirTrafficLiabilityExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Air Traffic Liability</link:label>
    <link:label id="lab_azul_ScheduleOfAirTrafficLiabilityExplanatoryTextBlock_label_en-US" xlink:label="lab_azul_ScheduleOfAirTrafficLiabilityExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Air Traffic Liability Explanatory [Text Block]</link:label>
    <link:label id="lab_azul_ScheduleOfAirTrafficLiabilityExplanatoryTextBlock_documentation_en-US" xlink:label="lab_azul_ScheduleOfAirTrafficLiabilityExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of air traffic liability.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ScheduleOfAirTrafficLiabilityExplanatoryTextBlock" xlink:href="azul-20260828.xsd#azul_ScheduleOfAirTrafficLiabilityExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ScheduleOfAirTrafficLiabilityExplanatoryTextBlock" xlink:to="lab_azul_ScheduleOfAirTrafficLiabilityExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory_019fc94a-c9da-7ea8-b8a3-7b3a92fb3d27_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Roll forward of Lease Liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of additional information about leasing activities for lessee [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory" xlink:to="lab_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForSharebasedPayments_019fcdb1-8e31-7bc8-89d6-60a012f15068_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based incentive</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForSharebasedPayments_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for share-based payments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForSharebasedPayments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForSharebasedPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForSharebasedPayments" xlink:to="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SeniorNotes2028Member_019fc94a-c9da-7d76-81ea-3bc907f9f185_terseLabel_en-US" xlink:label="lab_azul_SeniorNotes2028Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior notes &#8211; 2028</link:label>
    <link:label id="lab_azul_SeniorNotes2028Member_label_en-US" xlink:label="lab_azul_SeniorNotes2028Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior notes - 2028 [Member]</link:label>
    <link:label id="lab_azul_SeniorNotes2028Member_documentation_en-US" xlink:label="lab_azul_SeniorNotes2028Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior notes - 2028</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SeniorNotes2028Member" xlink:href="azul-20260828.xsd#azul_SeniorNotes2028Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SeniorNotes2028Member" xlink:to="lab_azul_SeniorNotes2028Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities_019fc94a-c9db-7d06-a42c-63e7db7f2bbf_terseLabel_en-US" xlink:label="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Possible loss</link:label>
    <link:label id="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities_label_en-US" xlink:label="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Estimated financial effect of contingent liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EstimatedFinancialEffectOfContingentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:to="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis_019fc94a-c9da-7457-b0aa-8ad0c70c6af6_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of intangible assets and goodwill [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of intangible assets and goodwill [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Major components of tax expense (income) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:to="lab_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_UnitedAirlinesIncMember_019fc94a-c9db-7356-a279-50639b797dac_terseLabel_en-US" xlink:label="lab_azul_UnitedAirlinesIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">United Airlines Inc</link:label>
    <link:label id="lab_azul_UnitedAirlinesIncMember_label_en-US" xlink:label="lab_azul_UnitedAirlinesIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">United Airlines Inc [Member]</link:label>
    <link:label id="lab_azul_UnitedAirlinesIncMember_documentation_en-US" xlink:label="lab_azul_UnitedAirlinesIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">United Airlines Inc</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_UnitedAirlinesIncMember" xlink:href="azul-20260828.xsd#azul_UnitedAirlinesIncMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_UnitedAirlinesIncMember" xlink:to="lab_azul_UnitedAirlinesIncMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ShortTermExclusiveInvestmentFundsClassifiedAsCashEquivalents_019fc94a-c9d9-77d1-a769-16b4cf0f60c5_terseLabel_en-US" xlink:label="lab_azul_ShortTermExclusiveInvestmentFundsClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_azul_ShortTermExclusiveInvestmentFundsClassifiedAsCashEquivalents_label_en-US" xlink:label="lab_azul_ShortTermExclusiveInvestmentFundsClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term exclusive investment funds, classified as cash equivalents</link:label>
    <link:label id="lab_azul_ShortTermExclusiveInvestmentFundsClassifiedAsCashEquivalents_documentation_en-US" xlink:label="lab_azul_ShortTermExclusiveInvestmentFundsClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Short-term exclusive investment funds, classified as cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ShortTermExclusiveInvestmentFundsClassifiedAsCashEquivalents" xlink:href="azul-20260828.xsd#azul_ShortTermExclusiveInvestmentFundsClassifiedAsCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ShortTermExclusiveInvestmentFundsClassifiedAsCashEquivalents" xlink:to="lab_azul_ShortTermExclusiveInvestmentFundsClassifiedAsCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_GoingConcernAbstract_label_en-US" xlink:label="lab_azul_GoingConcernAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Going concern [Abstract]</link:label>
    <link:label id="lab_azul_GoingConcernAbstract_documentation_en-US" xlink:label="lab_azul_GoingConcernAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Going concern</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_GoingConcernAbstract" xlink:href="azul-20260828.xsd#azul_GoingConcernAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_GoingConcernAbstract" xlink:to="lab_azul_GoingConcernAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfAirTraficLiabilityLineItems_019fc94a-c9db-7323-82db-4af46a9ee2e1_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfAirTraficLiabilityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of air trafic liability [Line Items]</link:label>
    <link:label id="lab_azul_DisclosureOfAirTraficLiabilityLineItems_label_en-US" xlink:label="lab_azul_DisclosureOfAirTraficLiabilityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of air trafic liability [Line Items]</link:label>
    <link:label id="lab_azul_DisclosureOfAirTraficLiabilityLineItems_documentation_en-US" xlink:label="lab_azul_DisclosureOfAirTraficLiabilityLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of air trafic liability [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfAirTraficLiabilityLineItems" xlink:href="azul-20260828.xsd#azul_DisclosureOfAirTraficLiabilityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfAirTraficLiabilityLineItems" xlink:to="lab_azul_DisclosureOfAirTraficLiabilityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory_019fc94a-c9da-7d1d-9b55-e6d35a6ef0d7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Intangible Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in intangible assets and goodwill [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AirTrafficLiabilityToBeExecutedMember_019fc94a-c9db-7227-b66d-bae71ff368dd_terseLabel_en-US" xlink:label="lab_azul_AirTrafficLiabilityToBeExecutedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Air traffic liability</link:label>
    <link:label id="lab_azul_AirTrafficLiabilityToBeExecutedMember_label_en-US" xlink:label="lab_azul_AirTrafficLiabilityToBeExecutedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Air traffic liability to be executed [Member]</link:label>
    <link:label id="lab_azul_AirTrafficLiabilityToBeExecutedMember_documentation_en-US" xlink:label="lab_azul_AirTrafficLiabilityToBeExecutedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Air traffic liability to be executed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AirTrafficLiabilityToBeExecutedMember" xlink:href="azul-20260828.xsd#azul_AirTrafficLiabilityToBeExecutedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AirTrafficLiabilityToBeExecutedMember" xlink:to="lab_azul_AirTrafficLiabilityToBeExecutedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_AllCurrenciesDomain_019fc94a-c9d9-7e92-a456-57de4ffced87_terseLabel_en-US" xlink:label="lab_currency_AllCurrenciesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">All Currencies</link:label>
    <link:label id="lab_currency_AllCurrenciesDomain_label_en-US" xlink:label="lab_currency_AllCurrenciesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">All Currencies [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_AllCurrenciesDomain" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_AllCurrenciesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_AllCurrenciesDomain" xlink:to="lab_currency_AllCurrenciesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAbstract_019fc94a-33e3-7583-949e-7c116f20cfdf_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_ifrs-full_EquityAbstract_label_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAbstract" xlink:to="lab_ifrs-full_EquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_019fc94a-c9dc-7af8-94db-3a35fd6a19ad_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract_019feddf-2fcb-7f3d-954a-bf3e8cb651b7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashMaintenanceReserves_019fc94a-c9dc-7cb6-8820-97292a862be6_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashMaintenanceReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maintenance reserves</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashMaintenanceReserves_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashMaintenanceReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Maintenance Reserves</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashMaintenanceReserves_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashMaintenanceReserves" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Maintenance Reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughNoncashMaintenanceReserves" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughNoncashMaintenanceReserves"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughNoncashMaintenanceReserves" xlink:to="lab_azul_IncreaseDecreaseThroughNoncashMaintenanceReserves" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfDetailedInformationAboutInventoriesTextBlock_019fc94a-c9d9-7f4e-8226-2a8943e0f9de_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfDetailedInformationAboutInventoriesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Inventories</link:label>
    <link:label id="lab_azul_DisclosureOfDetailedInformationAboutInventoriesTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfDetailedInformationAboutInventoriesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about inventories [Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfDetailedInformationAboutInventoriesTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfDetailedInformationAboutInventoriesTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about inventories.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfDetailedInformationAboutInventoriesTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfDetailedInformationAboutInventoriesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfDetailedInformationAboutInventoriesTextBlock" xlink:to="lab_azul_DisclosureOfDetailedInformationAboutInventoriesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdjustmentsForInterestIncomeExpenses_019fcdb1-8e31-7bbe-98cb-f989845fcc74_negatedLabel_en-US" xlink:label="lab_azul_AdjustmentsForInterestIncomeExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Financial result</link:label>
    <link:label id="lab_azul_AdjustmentsForInterestIncomeExpenses_label_en-US" xlink:label="lab_azul_AdjustmentsForInterestIncomeExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for interest income expenses</link:label>
    <link:label id="lab_azul_AdjustmentsForInterestIncomeExpenses_documentation_en-US" xlink:label="lab_azul_AdjustmentsForInterestIncomeExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for interest income expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdjustmentsForInterestIncomeExpenses" xlink:href="azul-20260828.xsd#azul_AdjustmentsForInterestIncomeExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdjustmentsForInterestIncomeExpenses" xlink:to="lab_azul_AdjustmentsForInterestIncomeExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AllowanceForCreditLossesAbstract_019fc94a-c9d9-7f92-9851-580e8f753ffe_terseLabel_en-US" xlink:label="lab_azul_AllowanceForCreditLossesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance For Credit Losses [Abstract]</link:label>
    <link:label id="lab_azul_AllowanceForCreditLossesAbstract_label_en-US" xlink:label="lab_azul_AllowanceForCreditLossesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance For Credit Losses [Abstract]</link:label>
    <link:label id="lab_azul_AllowanceForCreditLossesAbstract_documentation_en-US" xlink:label="lab_azul_AllowanceForCreditLossesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Allowance For Credit Losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AllowanceForCreditLossesAbstract" xlink:href="azul-20260828.xsd#azul_AllowanceForCreditLossesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AllowanceForCreditLossesAbstract" xlink:to="lab_azul_AllowanceForCreditLossesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_NominalDiscountRate_019fc94a-c9db-7596-a679-456f75dac1a3_terseLabel_en-US" xlink:label="lab_azul_NominalDiscountRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nominal discount rate</link:label>
    <link:label id="lab_azul_NominalDiscountRate_label_en-US" xlink:label="lab_azul_NominalDiscountRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nominal discount rate</link:label>
    <link:label id="lab_azul_NominalDiscountRate_documentation_en-US" xlink:label="lab_azul_NominalDiscountRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nominal discount rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_NominalDiscountRate" xlink:href="azul-20260828.xsd#azul_NominalDiscountRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_NominalDiscountRate" xlink:to="lab_azul_NominalDiscountRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subclassifications of assets, liabilities and equities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:to="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IssuanceOfSharesEROCashMember_019ffba6-80fb-70e4-bbd6-b1825ec6f8b9_terseLabel_en-US" xlink:label="lab_azul_IssuanceOfSharesEROCashMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance of shares &#8211; ERO &#8211; Cash</link:label>
    <link:label id="lab_azul_IssuanceOfSharesEROCashMember_label_en-US" xlink:label="lab_azul_IssuanceOfSharesEROCashMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issuance of shares &#8211; ERO &#8211; Cash [Member]</link:label>
    <link:label id="lab_azul_IssuanceOfSharesEROCashMember_documentation_en-US" xlink:label="lab_azul_IssuanceOfSharesEROCashMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Issuance of shares &#8211; ERO &#8211; Cash</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IssuanceOfSharesEROCashMember" xlink:href="azul-20260828.xsd#azul_IssuanceOfSharesEROCashMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IssuanceOfSharesEROCashMember" xlink:to="lab_azul_IssuanceOfSharesEROCashMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncomeTaxAndDeferredSocialContributionMember_019fc94a-c9da-7835-a367-b4218e19b57c_terseLabel_en-US" xlink:label="lab_azul_IncomeTaxAndDeferredSocialContributionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_azul_IncomeTaxAndDeferredSocialContributionMember_label_en-US" xlink:label="lab_azul_IncomeTaxAndDeferredSocialContributionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax and deferred social contribution [Member]</link:label>
    <link:label id="lab_azul_IncomeTaxAndDeferredSocialContributionMember_documentation_en-US" xlink:label="lab_azul_IncomeTaxAndDeferredSocialContributionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income tax and deferred social contribution</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncomeTaxAndDeferredSocialContributionMember" xlink:href="azul-20260828.xsd#azul_IncomeTaxAndDeferredSocialContributionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncomeTaxAndDeferredSocialContributionMember" xlink:to="lab_azul_IncomeTaxAndDeferredSocialContributionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdditionalProvisionForAccountsReceivable_019fc94a-c9d9-74ca-ad13-a62f53f56113_negatedTerseLabel_en-US" xlink:label="lab_azul_AdditionalProvisionForAccountsReceivable" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_azul_AdditionalProvisionForAccountsReceivable_label_en-US" xlink:label="lab_azul_AdditionalProvisionForAccountsReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional provision for accounts receivable</link:label>
    <link:label id="lab_azul_AdditionalProvisionForAccountsReceivable_documentation_en-US" xlink:label="lab_azul_AdditionalProvisionForAccountsReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additional provision for accounts receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdditionalProvisionForAccountsReceivable" xlink:href="azul-20260828.xsd#azul_AdditionalProvisionForAccountsReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdditionalProvisionForAccountsReceivable" xlink:to="lab_azul_AdditionalProvisionForAccountsReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_December2026Member_019fce6a-e4fa-7120-852b-8ca21e88c4d3_terseLabel_en-US" xlink:label="lab_azul_December2026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dec-26</link:label>
    <link:label id="lab_azul_December2026Member_label_en-US" xlink:label="lab_azul_December2026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">December 2026 [Member]</link:label>
    <link:label id="lab_azul_December2026Member_documentation_en-US" xlink:label="lab_azul_December2026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">December 2026</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_December2026Member" xlink:href="azul-20260828.xsd#azul_December2026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_December2026Member" xlink:to="lab_azul_December2026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory_019fc94a-c9db-7c57-8486-98e2e1946e13_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Changes in Taxes, Civil and Labor Provisions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdvancesToSuppliersDomain_019fcdec-24fa-7f83-af21-1018fffc0e51_terseLabel_en-US" xlink:label="lab_azul_AdvancesToSuppliersDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances to suppliers [Domain]</link:label>
    <link:label id="lab_azul_AdvancesToSuppliersDomain_label_en-US" xlink:label="lab_azul_AdvancesToSuppliersDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances to suppliers [Domain]</link:label>
    <link:label id="lab_azul_AdvancesToSuppliersDomain_documentation_en-US" xlink:label="lab_azul_AdvancesToSuppliersDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advances to suppliers [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdvancesToSuppliersDomain" xlink:href="azul-20260828.xsd#azul_AdvancesToSuppliersDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdvancesToSuppliersDomain" xlink:to="lab_azul_AdvancesToSuppliersDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_UndiscountedExcessAmountOnLeaseLiabilities_019fc94a-c9da-7691-87e8-5dfde9cad4c2_negatedTerseLabel_en-US" xlink:label="lab_azul_UndiscountedExcessAmountOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Financial charges</link:label>
    <link:label id="lab_azul_UndiscountedExcessAmountOnLeaseLiabilities_label_en-US" xlink:label="lab_azul_UndiscountedExcessAmountOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Undiscounted Excess Amount On Lease Liabilities</link:label>
    <link:label id="lab_azul_UndiscountedExcessAmountOnLeaseLiabilities_documentation_en-US" xlink:label="lab_azul_UndiscountedExcessAmountOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Undiscounted excess amount on lease liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_UndiscountedExcessAmountOnLeaseLiabilities" xlink:href="azul-20260828.xsd#azul_UndiscountedExcessAmountOnLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_UndiscountedExcessAmountOnLeaseLiabilities" xlink:to="lab_azul_UndiscountedExcessAmountOnLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ConversionIntoSharesSeniorNotesMember_019ffba5-25bd-7802-b3c8-b2544226cd2e_terseLabel_en-US" xlink:label="lab_azul_ConversionIntoSharesSeniorNotesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion into shares &#8211; Senior notes</link:label>
    <link:label id="lab_azul_ConversionIntoSharesSeniorNotesMember_label_en-US" xlink:label="lab_azul_ConversionIntoSharesSeniorNotesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Conversion into shares &#8211; Senior notes [Member]</link:label>
    <link:label id="lab_azul_ConversionIntoSharesSeniorNotesMember_documentation_en-US" xlink:label="lab_azul_ConversionIntoSharesSeniorNotesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Conversion into shares &#8211; Senior notes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ConversionIntoSharesSeniorNotesMember" xlink:href="azul-20260828.xsd#azul_ConversionIntoSharesSeniorNotesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ConversionIntoSharesSeniorNotesMember" xlink:to="lab_azul_ConversionIntoSharesSeniorNotesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable_019fc94a-c9da-729b-a45c-32762b3fdcb4_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InterestRateReferringToTheDIPMember_019fc94a-c9da-7859-ac91-33ce6d125d80_terseLabel_en-US" xlink:label="lab_azul_InterestRateReferringToTheDIPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">DIP &#8211; 2026</link:label>
    <link:label id="lab_azul_InterestRateReferringToTheDIPMember_label_en-US" xlink:label="lab_azul_InterestRateReferringToTheDIPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest rate referring to the DIP [Member]</link:label>
    <link:label id="lab_azul_InterestRateReferringToTheDIPMember_documentation_en-US" xlink:label="lab_azul_InterestRateReferringToTheDIPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest rate referring to the DIP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InterestRateReferringToTheDIPMember" xlink:href="azul-20260828.xsd#azul_InterestRateReferringToTheDIPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InterestRateReferringToTheDIPMember" xlink:to="lab_azul_InterestRateReferringToTheDIPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ChangeInFutureCapital_019fef4f-3776-7800-b251-e62f87833127_negatedTerseLabel_en-US" xlink:label="lab_azul_ChangeInFutureCapital" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Advance for future capital increase</link:label>
    <link:label id="lab_azul_ChangeInFutureCapital_label_en-US" xlink:label="lab_azul_ChangeInFutureCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Future Capital</link:label>
    <link:label id="lab_azul_ChangeInFutureCapital_documentation_en-US" xlink:label="lab_azul_ChangeInFutureCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change In Future Capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ChangeInFutureCapital" xlink:href="azul-20260828.xsd#azul_ChangeInFutureCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ChangeInFutureCapital" xlink:to="lab_azul_ChangeInFutureCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisposalOfShareAverageCostPerShare_019ff107-d976-7ad1-8a4b-db69919766d4_terseLabel_en-US" xlink:label="lab_azul_DisposalOfShareAverageCostPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disposal of shares resulting from a share consolidation (in brazilian real per share)</link:label>
    <link:label id="lab_azul_DisposalOfShareAverageCostPerShare_label_en-US" xlink:label="lab_azul_DisposalOfShareAverageCostPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposal Of Share Average Cost Per Share</link:label>
    <link:label id="lab_azul_DisposalOfShareAverageCostPerShare_documentation_en-US" xlink:label="lab_azul_DisposalOfShareAverageCostPerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disposal Of Share Average Cost Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisposalOfShareAverageCostPerShare" xlink:href="azul-20260828.xsd#azul_DisposalOfShareAverageCostPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisposalOfShareAverageCostPerShare" xlink:to="lab_azul_DisposalOfShareAverageCostPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AircraftMember_019fc94a-c9d9-711c-9697-9295e8dc953e_terseLabel_en-US" xlink:label="lab_ifrs-full_AircraftMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aircraft</link:label>
    <link:label id="lab_ifrs-full_AircraftMember_label_en-US" xlink:label="lab_ifrs-full_AircraftMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aircraft [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AircraftMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AircraftMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AircraftMember" xlink:to="lab_ifrs-full_AircraftMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueFromRenderingOfCargoAndMailTransportServices_019fc94a-33e3-791c-8f4d-2f5012f1b2e7_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromRenderingOfCargoAndMailTransportServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other revenues</link:label>
    <link:label id="lab_ifrs-full_RevenueFromRenderingOfCargoAndMailTransportServices_label_en-US" xlink:label="lab_ifrs-full_RevenueFromRenderingOfCargoAndMailTransportServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from rendering of cargo and mail transport services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromRenderingOfCargoAndMailTransportServices" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromRenderingOfCargoAndMailTransportServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromRenderingOfCargoAndMailTransportServices" xlink:to="lab_ifrs-full_RevenueFromRenderingOfCargoAndMailTransportServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseToProfitLossToReflectDilutiveEffectResultingFromAssumedConversionOfPotentialOrdinaryShares_019ff121-a49d-763e-945b-c945ff1adf13_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseToProfitLossToReflectDilutiveEffectResultingFromAssumedConversionOfPotentialOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) to profit (loss) to reflect dilutive effect resulting from assumed conversion of potential ordinary shares</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseToProfitLossToReflectDilutiveEffectResultingFromAssumedConversionOfPotentialOrdinaryShares_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseToProfitLossToReflectDilutiveEffectResultingFromAssumedConversionOfPotentialOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) to profit (loss) to reflect dilutive effect resulting from assumed conversion of potential ordinary shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseToProfitLossToReflectDilutiveEffectResultingFromAssumedConversionOfPotentialOrdinaryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseToProfitLossToReflectDilutiveEffectResultingFromAssumedConversionOfPotentialOrdinaryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseToProfitLossToReflectDilutiveEffectResultingFromAssumedConversionOfPotentialOrdinaryShares" xlink:to="lab_ifrs-full_IncreaseDecreaseToProfitLossToReflectDilutiveEffectResultingFromAssumedConversionOfPotentialOrdinaryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory_019fc94a-c9dc-75aa-803d-0d8d27ede1ae_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Disaggregation of Revenue From Contracts with Customers</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TotalNotExercisedShares_019fc94a-c9dc-7a37-8b7b-fdb797aedb3a_terseLabel_en-US" xlink:label="lab_azul_TotalNotExercisedShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total not exercised (in shares)</link:label>
    <link:label id="lab_azul_TotalNotExercisedShares_label_en-US" xlink:label="lab_azul_TotalNotExercisedShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total not exercised shares</link:label>
    <link:label id="lab_azul_TotalNotExercisedShares_documentation_en-US" xlink:label="lab_azul_TotalNotExercisedShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total not exercised shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TotalNotExercisedShares" xlink:href="azul-20260828.xsd#azul_TotalNotExercisedShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TotalNotExercisedShares" xlink:to="lab_azul_TotalNotExercisedShares" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_PlatformOperatorCryptoAssetAbstract_label_en-US" xlink:label="lab_srt_PlatformOperatorCryptoAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Platform Operator, Crypto Asset [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_PlatformOperatorCryptoAssetAbstract" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_PlatformOperatorCryptoAssetAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_PlatformOperatorCryptoAssetAbstract" xlink:to="lab_srt_PlatformOperatorCryptoAssetAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_PassengerRevenueMember_019fc94a-c9dc-76f6-b35b-48ec950cc1b6_terseLabel_en-US" xlink:label="lab_azul_PassengerRevenueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Passenger revenue</link:label>
    <link:label id="lab_azul_PassengerRevenueMember_label_en-US" xlink:label="lab_azul_PassengerRevenueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Passenger revenue [Member]</link:label>
    <link:label id="lab_azul_PassengerRevenueMember_documentation_en-US" xlink:label="lab_azul_PassengerRevenueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Passenger revenue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_PassengerRevenueMember" xlink:href="azul-20260828.xsd#azul_PassengerRevenueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_PassengerRevenueMember" xlink:to="lab_azul_PassengerRevenueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashCompensationOfLease_019fc94a-c9dc-7aa8-86d3-546afdbabc70_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashCompensationOfLease" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compensation of lease</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashCompensationOfLease_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashCompensationOfLease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Compensation Of Lease</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashCompensationOfLease_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashCompensationOfLease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Compensation Of Lease</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughNoncashCompensationOfLease" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughNoncashCompensationOfLease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughNoncashCompensationOfLease" xlink:to="lab_azul_IncreaseDecreaseThroughNoncashCompensationOfLease" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_PISAndCOFINSRecoverable_019fc94a-c9d9-7a4f-9310-5cbfa9e7b947_terseLabel_en-US" xlink:label="lab_azul_PISAndCOFINSRecoverable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PIS and COFINS</link:label>
    <link:label id="lab_azul_PISAndCOFINSRecoverable_label_en-US" xlink:label="lab_azul_PISAndCOFINSRecoverable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PIS and COFINS recoverable</link:label>
    <link:label id="lab_azul_PISAndCOFINSRecoverable_documentation_en-US" xlink:label="lab_azul_PISAndCOFINSRecoverable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">PIS and COFINS recoverable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_PISAndCOFINSRecoverable" xlink:href="azul-20260828.xsd#azul_PISAndCOFINSRecoverable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_PISAndCOFINSRecoverable" xlink:to="lab_azul_PISAndCOFINSRecoverable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RepairsAndMaintenanceExpense_019fc94a-33e3-7cb6-8ce0-20951e5201de_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_RepairsAndMaintenanceExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Maintenance</link:label>
    <link:label id="lab_ifrs-full_RepairsAndMaintenanceExpense_label_en-US" xlink:label="lab_ifrs-full_RepairsAndMaintenanceExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repairs and maintenance expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepairsAndMaintenanceExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RepairsAndMaintenanceExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepairsAndMaintenanceExpense" xlink:to="lab_ifrs-full_RepairsAndMaintenanceExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradingIncomeExpenseOnDerivativeFinancialInstruments_019fc94a-c9dc-712b-9c81-71d5dc442d0f_terseLabel_en-US" xlink:label="lab_ifrs-full_TradingIncomeExpenseOnDerivativeFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments, net</link:label>
    <link:label id="lab_ifrs-full_TradingIncomeExpenseOnDerivativeFinancialInstruments_label_en-US" xlink:label="lab_ifrs-full_TradingIncomeExpenseOnDerivativeFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading income (expense) on derivative financial instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradingIncomeExpenseOnDerivativeFinancialInstruments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradingIncomeExpenseOnDerivativeFinancialInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradingIncomeExpenseOnDerivativeFinancialInstruments" xlink:to="lab_ifrs-full_TradingIncomeExpenseOnDerivativeFinancialInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Liabilities_019fc94a-c9dc-752e-88f5-0f9078af5df6_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:label id="lab_ifrs-full_Liabilities_label_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Liabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Liabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Liabilities" xlink:to="lab_ifrs-full_Liabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughExerciseOfWarrantsEquityShares_019ff117-82c0-7023-bb59-03680727c980_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughExerciseOfWarrantsEquityShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrants distributed free (in shares)</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughExerciseOfWarrantsEquityShares_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughExerciseOfWarrantsEquityShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Exercise Of Warrants, Equity, Shares</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughExerciseOfWarrantsEquityShares_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughExerciseOfWarrantsEquityShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Exercise Of Warrants, Equity, Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughExerciseOfWarrantsEquityShares" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughExerciseOfWarrantsEquityShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughExerciseOfWarrantsEquityShares" xlink:to="lab_azul_IncreaseDecreaseThroughExerciseOfWarrantsEquityShares" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherLiabilitiesAxis_019fc94a-c9db-73f0-8668-9e42f2d1e3f1_terseLabel_en-US" xlink:label="lab_azul_OtherLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Liabilities [Axis]</link:label>
    <link:label id="lab_azul_OtherLiabilitiesAxis_label_en-US" xlink:label="lab_azul_OtherLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities [Axis]</link:label>
    <link:label id="lab_azul_OtherLiabilitiesAxis_documentation_en-US" xlink:label="lab_azul_OtherLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherLiabilitiesAxis" xlink:href="azul-20260828.xsd#azul_OtherLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherLiabilitiesAxis" xlink:to="lab_azul_OtherLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities_019fc94a-c9dc-719c-b93d-792db178f0ad_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Maturity of Derivative Financial Liabilities</link:label>
    <link:label id="lab_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for derivative financial liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DIP2026Member_019ff122-3ae7-7bf1-88a1-ef9c5961662e_terseLabel_en-US" xlink:label="lab_azul_DIP2026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">DIP 2026</link:label>
    <link:label id="lab_azul_DIP2026Member_label_en-US" xlink:label="lab_azul_DIP2026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">DIP 2026 [Member]</link:label>
    <link:label id="lab_azul_DIP2026Member_documentation_en-US" xlink:label="lab_azul_DIP2026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">DIP 2026</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DIP2026Member" xlink:href="azul-20260828.xsd#azul_DIP2026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DIP2026Member" xlink:to="lab_azul_DIP2026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseInAirportFees_019fcdb1-8e31-7852-990b-0d60ee7774d1_terseLabel_en-US" xlink:label="lab_azul_IncreaseInAirportFees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Airport taxes and fees</link:label>
    <link:label id="lab_azul_IncreaseInAirportFees_label_en-US" xlink:label="lab_azul_IncreaseInAirportFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase in Airport fees</link:label>
    <link:label id="lab_azul_IncreaseInAirportFees_documentation_en-US" xlink:label="lab_azul_IncreaseInAirportFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase in Airport fees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseInAirportFees" xlink:href="azul-20260828.xsd#azul_IncreaseInAirportFees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseInAirportFees" xlink:to="lab_azul_IncreaseInAirportFees" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable_019fc94a-c9db-74df-889e-08020510287f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable" xlink:to="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_WithholdingIncomeTax_019fc94a-c9d9-7571-a74d-0aba12beac8f_terseLabel_en-US" xlink:label="lab_azul_WithholdingIncomeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taxes withheld</link:label>
    <link:label id="lab_azul_WithholdingIncomeTax_label_en-US" xlink:label="lab_azul_WithholdingIncomeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Withholding income tax</link:label>
    <link:label id="lab_azul_WithholdingIncomeTax_documentation_en-US" xlink:label="lab_azul_WithholdingIncomeTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Withholding income tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_WithholdingIncomeTax" xlink:href="azul-20260828.xsd#azul_WithholdingIncomeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_WithholdingIncomeTax" xlink:to="lab_azul_WithholdingIncomeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilitiesCurrent_019fc94a-33e3-76a5-bd3e-a5c06da46f32_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taxes payable</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilitiesCurrent_019fc94a-c9db-7fac-b416-faaaf4e67752_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilitiesCurrent_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax liabilities, current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxLiabilitiesCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:to="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_FairValueOfFinancialExpensesOfTAPBond_019fc94a-c9dc-788d-9408-32d69b2435cb_negatedTerseLabel_en-US" xlink:label="lab_azul_FairValueOfFinancialExpensesOfTAPBond" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Fair value of the TAP Bond</link:label>
    <link:label id="lab_azul_FairValueOfFinancialExpensesOfTAPBond_label_en-US" xlink:label="lab_azul_FairValueOfFinancialExpensesOfTAPBond" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair value of Financial expenses of TAP Bond</link:label>
    <link:label id="lab_azul_FairValueOfFinancialExpensesOfTAPBond_documentation_en-US" xlink:label="lab_azul_FairValueOfFinancialExpensesOfTAPBond" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value of Financial expenses of TAP Bond</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_FairValueOfFinancialExpensesOfTAPBond" xlink:href="azul-20260828.xsd#azul_FairValueOfFinancialExpensesOfTAPBond"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_FairValueOfFinancialExpensesOfTAPBond" xlink:to="lab_azul_FairValueOfFinancialExpensesOfTAPBond" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DefferedAssetsMember_019fc94a-c9da-7243-b712-1fbbb6ceaff2_terseLabel_en-US" xlink:label="lab_azul_DefferedAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax asset</link:label>
    <link:label id="lab_azul_DefferedAssetsMember_label_en-US" xlink:label="lab_azul_DefferedAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deffered assets [Member]</link:label>
    <link:label id="lab_azul_DefferedAssetsMember_documentation_en-US" xlink:label="lab_azul_DefferedAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deffered assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DefferedAssetsMember" xlink:href="azul-20260828.xsd#azul_DefferedAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DefferedAssetsMember" xlink:to="lab_azul_DefferedAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_PISAndCOFINSMember_019fedb5-dd0f-7364-a586-628aa9bf64a7_terseLabel_en-US" xlink:label="lab_azul_PISAndCOFINSMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PIS and COFINS</link:label>
    <link:label id="lab_azul_PISAndCOFINSMember_label_en-US" xlink:label="lab_azul_PISAndCOFINSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PIS and COFINS [Member]</link:label>
    <link:label id="lab_azul_PISAndCOFINSMember_documentation_en-US" xlink:label="lab_azul_PISAndCOFINSMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">PIS and COFINS</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_PISAndCOFINSMember" xlink:href="azul-20260828.xsd#azul_PISAndCOFINSMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_PISAndCOFINSMember" xlink:to="lab_azul_PISAndCOFINSMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BreakageMember_019fc94a-c9da-7c1f-b862-1a66ac84cc74_verboseLabel_en-US" xlink:label="lab_azul_BreakageMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Breakage</link:label>
    <link:label id="lab_azul_BreakageMember_label_en-US" xlink:label="lab_azul_BreakageMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Breakage [Member]</link:label>
    <link:label id="lab_azul_BreakageMember_documentation_en-US" xlink:label="lab_azul_BreakageMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Breakage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BreakageMember" xlink:href="azul-20260828.xsd#azul_BreakageMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BreakageMember" xlink:to="lab_azul_BreakageMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory_019fc94a-c9dc-70d3-b19f-ac80373a36ca_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value Hierarchy of Financial Instruments</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fair value measurement [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherAssetsExplanatory_019fc94a-c9da-7757-ac31-fe7dab3ee80c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OTHER ASSETS</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_019fc94a-c9dc-7ffb-9831-e8d40a139729_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTable_019fc94a-c9d9-7e37-980d-e4514074260e_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of security deposits and maintenance reserves [Table]</link:label>
    <link:label id="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTable_label_en-US" xlink:label="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of security deposits and maintenance reserves [Table]</link:label>
    <link:label id="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTable_documentation_en-US" xlink:label="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of security deposits and maintenance reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTable" xlink:href="azul-20260828.xsd#azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTable" xlink:to="lab_azul_DisclosureOfSecurityDepositsAndMaintenanceReservesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_019fc94a-c9da-7c66-aa58-1d846730053b_terseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leases</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_019fc94a-c9db-7104-b2a7-8d99d2e80004_verboseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_label_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease liabilities [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilitiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilitiesMember" xlink:to="lab_ifrs-full_LeaseLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DecreaseThroughPaymentsLiabilitiesArisingFromFinancingActivities_019fc94a-c9da-7f11-9520-f906cda8c89f_negatedLabel_en-US" xlink:label="lab_azul_DecreaseThroughPaymentsLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments</link:label>
    <link:label id="lab_azul_DecreaseThroughPaymentsLiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_azul_DecreaseThroughPaymentsLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease through payments, liabilities arising from financing activities</link:label>
    <link:label id="lab_azul_DecreaseThroughPaymentsLiabilitiesArisingFromFinancingActivities_documentation_en-US" xlink:label="lab_azul_DecreaseThroughPaymentsLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Decrease through payments, liabilities arising from financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DecreaseThroughPaymentsLiabilitiesArisingFromFinancingActivities" xlink:href="azul-20260828.xsd#azul_DecreaseThroughPaymentsLiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DecreaseThroughPaymentsLiabilitiesArisingFromFinancingActivities" xlink:to="lab_azul_DecreaseThroughPaymentsLiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OthersAirportTaxesAndFees_019fc94a-c9db-7888-b0f5-3e4b3527d120_terseLabel_en-US" xlink:label="lab_azul_OthersAirportTaxesAndFees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other fees</link:label>
    <link:label id="lab_azul_OthersAirportTaxesAndFees_label_en-US" xlink:label="lab_azul_OthersAirportTaxesAndFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Others airport taxes and fees</link:label>
    <link:label id="lab_azul_OthersAirportTaxesAndFees_documentation_en-US" xlink:label="lab_azul_OthersAirportTaxesAndFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information about others airport taxes and fees.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OthersAirportTaxesAndFees" xlink:href="azul-20260828.xsd#azul_OthersAirportTaxesAndFees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OthersAirportTaxesAndFees" xlink:to="lab_azul_OthersAirportTaxesAndFees" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IssuanceOfSharesSeniorNotesCashMember_019ffba5-6b80-7d24-8ac6-d4c23e35bf47_terseLabel_en-US" xlink:label="lab_azul_IssuanceOfSharesSeniorNotesCashMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance of shares &#8211; Senior notes &#8211; Cash</link:label>
    <link:label id="lab_azul_IssuanceOfSharesSeniorNotesCashMember_label_en-US" xlink:label="lab_azul_IssuanceOfSharesSeniorNotesCashMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issuance of shares &#8211; Senior notes &#8211; Cash [Member]</link:label>
    <link:label id="lab_azul_IssuanceOfSharesSeniorNotesCashMember_documentation_en-US" xlink:label="lab_azul_IssuanceOfSharesSeniorNotesCashMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Issuance of shares &#8211; Senior notes &#8211; Cash</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IssuanceOfSharesSeniorNotesCashMember" xlink:href="azul-20260828.xsd#azul_IssuanceOfSharesSeniorNotesCashMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IssuanceOfSharesSeniorNotesCashMember" xlink:to="lab_azul_IssuanceOfSharesSeniorNotesCashMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BorrowingEffectOfRestriction_019fc94a-c9da-7a10-950c-abbc91808186_terseLabel_en-US" xlink:label="lab_azul_BorrowingEffectOfRestriction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restructuring effect</link:label>
    <link:label id="lab_azul_BorrowingEffectOfRestriction_label_en-US" xlink:label="lab_azul_BorrowingEffectOfRestriction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing effect of restriction</link:label>
    <link:label id="lab_azul_BorrowingEffectOfRestriction_documentation_en-US" xlink:label="lab_azul_BorrowingEffectOfRestriction" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents borrowing effect of restriction.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BorrowingEffectOfRestriction" xlink:href="azul-20260828.xsd#azul_BorrowingEffectOfRestriction"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BorrowingEffectOfRestriction" xlink:to="lab_azul_BorrowingEffectOfRestriction" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LoansAndFinancingMember_019fc94a-c9dc-7b88-a859-ff58443d0a46_verboseLabel_en-US" xlink:label="lab_azul_LoansAndFinancingMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loans and financing</link:label>
    <link:label id="lab_azul_LoansAndFinancingMember_019fc94a-c9db-7893-8229-734d1b596536_terseLabel_en-US" xlink:label="lab_azul_LoansAndFinancingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and financing</link:label>
    <link:label id="lab_azul_LoansAndFinancingMember_label_en-US" xlink:label="lab_azul_LoansAndFinancingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and financing [Member]</link:label>
    <link:label id="lab_azul_LoansAndFinancingMember_documentation_en-US" xlink:label="lab_azul_LoansAndFinancingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans and financing.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LoansAndFinancingMember" xlink:href="azul-20260828.xsd#azul_LoansAndFinancingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LoansAndFinancingMember" xlink:to="lab_azul_LoansAndFinancingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_019fc94a-c9d9-7f8c-86e1-7944c9ff85f0_terseLabel_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [axis]</link:label>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_label_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:to="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CurrentDeposits_019fc94a-33e3-7216-83d6-723948776cc7_terseLabel_en-US" xlink:label="lab_azul_CurrentDeposits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits</link:label>
    <link:label id="lab_azul_CurrentDeposits_019fc94a-c9d9-71e5-8974-0366e169b429_verboseLabel_en-US" xlink:label="lab_azul_CurrentDeposits" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_azul_CurrentDeposits_label_en-US" xlink:label="lab_azul_CurrentDeposits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current deposits</link:label>
    <link:label id="lab_azul_CurrentDeposits_documentation_en-US" xlink:label="lab_azul_CurrentDeposits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current deposits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CurrentDeposits" xlink:href="azul-20260828.xsd#azul_CurrentDeposits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CurrentDeposits" xlink:to="lab_azul_CurrentDeposits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_019fc94a-c9d9-7964-827f-3bc31917d352_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of exchange |rates</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of effect of changes in foreign exchange rates [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_GeneralUnsecuredClaimsBreakage_019fc94a-33e3-7212-8aad-ffc450d88a49_negatedTerseLabel_en-US" xlink:label="lab_azul_GeneralUnsecuredClaimsBreakage" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Breakage &#8211; GUC</link:label>
    <link:label id="lab_azul_GeneralUnsecuredClaimsBreakage_label_en-US" xlink:label="lab_azul_GeneralUnsecuredClaimsBreakage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General Unsecured Claims, Breakage</link:label>
    <link:label id="lab_azul_GeneralUnsecuredClaimsBreakage_documentation_en-US" xlink:label="lab_azul_GeneralUnsecuredClaimsBreakage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">General Unsecured Claims, Breakage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_GeneralUnsecuredClaimsBreakage" xlink:href="azul-20260828.xsd#azul_GeneralUnsecuredClaimsBreakage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_GeneralUnsecuredClaimsBreakage" xlink:to="lab_azul_GeneralUnsecuredClaimsBreakage" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashMaintenancePrepayment_019fc94a-c9dc-7062-b47d-59bad2bf76f9_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashMaintenancePrepayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maintenance prepayment</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashMaintenancePrepayment_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashMaintenancePrepayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Maintenance Prepayment</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashMaintenancePrepayment_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashMaintenancePrepayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Maintenance Prepayment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughNoncashMaintenancePrepayment" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughNoncashMaintenancePrepayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughNoncashMaintenancePrepayment" xlink:to="lab_azul_IncreaseDecreaseThroughNoncashMaintenancePrepayment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TopOfRangeMember_019fc94a-c9da-773a-a26f-a15e8ff45de7_terseLabel_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Top of range</link:label>
    <link:label id="lab_ifrs-full_TopOfRangeMember_label_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Top of range [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TopOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TopOfRangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TopOfRangeMember" xlink:to="lab_ifrs-full_TopOfRangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareLineItems_019fc94a-33e3-707f-86e0-73c967c2d209_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share [line items]</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareLineItems_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per share [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareLineItems" xlink:to="lab_ifrs-full_EarningsPerShareLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets and goodwill [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsAndGoodwillAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:to="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherNoncurrentAssets_019fc94a-33e3-7854-94cd-c1f8c458fa9b_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentAssets_019fc94a-c9d9-7b34-9c47-a9001dee126e_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentAssets_label_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other non-current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNoncurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherNoncurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentAssets" xlink:to="lab_ifrs-full_OtherNoncurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AircraftEnginesAndOthersMember_019fc94a-c9da-7d48-a778-33904a6d2a3c_terseLabel_en-US" xlink:label="lab_azul_AircraftEnginesAndOthersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aircraft, engines and others</link:label>
    <link:label id="lab_azul_AircraftEnginesAndOthersMember_label_en-US" xlink:label="lab_azul_AircraftEnginesAndOthersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aircraft, engines and others [Member]</link:label>
    <link:label id="lab_azul_AircraftEnginesAndOthersMember_documentation_en-US" xlink:label="lab_azul_AircraftEnginesAndOthersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aircraft, engines and others</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AircraftEnginesAndOthersMember" xlink:href="azul-20260828.xsd#azul_AircraftEnginesAndOthersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AircraftEnginesAndOthersMember" xlink:to="lab_azul_AircraftEnginesAndOthersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ChangesInOperatingAssetsAndLiability_019fcdb1-8e32-7507-9bc8-ba9767eb5ec5_totalLabel_en-US" xlink:label="lab_azul_ChangesInOperatingAssetsAndLiability" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total changes in operating assets and liabilities</link:label>
    <link:label id="lab_azul_ChangesInOperatingAssetsAndLiability_label_en-US" xlink:label="lab_azul_ChangesInOperatingAssetsAndLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes in operating assets and liability</link:label>
    <link:label id="lab_azul_ChangesInOperatingAssetsAndLiability_documentation_en-US" xlink:label="lab_azul_ChangesInOperatingAssetsAndLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Changes in operating assets and liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ChangesInOperatingAssetsAndLiability" xlink:href="azul-20260828.xsd#azul_ChangesInOperatingAssetsAndLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ChangesInOperatingAssetsAndLiability" xlink:to="lab_azul_ChangesInOperatingAssetsAndLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LegalProceedingsProvisionMember_019fc94a-c9db-744c-b231-240983065a8e_terseLabel_en-US" xlink:label="lab_ifrs-full_LegalProceedingsProvisionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Civil</link:label>
    <link:label id="lab_ifrs-full_LegalProceedingsProvisionMember_label_en-US" xlink:label="lab_ifrs-full_LegalProceedingsProvisionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal proceedings provision [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LegalProceedingsProvisionMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LegalProceedingsProvisionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LegalProceedingsProvisionMember" xlink:to="lab_ifrs-full_LegalProceedingsProvisionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TaxTransactionMember_019fc94a-c9db-7af6-b94e-78a69d8acb48_terseLabel_en-US" xlink:label="lab_azul_TaxTransactionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax transaction</link:label>
    <link:label id="lab_azul_TaxTransactionMember_label_en-US" xlink:label="lab_azul_TaxTransactionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax transaction [Member]</link:label>
    <link:label id="lab_azul_TaxTransactionMember_documentation_en-US" xlink:label="lab_azul_TaxTransactionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax transaction</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TaxTransactionMember" xlink:href="azul-20260828.xsd#azul_TaxTransactionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TaxTransactionMember" xlink:to="lab_azul_TaxTransactionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_019fc94a-c9da-790f-8502-0c32eca2c41d_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2029</link:label>
    <link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_019fc94a-c9da-7c62-9883-de1a5e8b530e_verboseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2028</link:label>
    <link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than three years and not later than four years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:to="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclsureOfCapitalCommitmentsTable_019fc94a-c9dc-7b80-8c49-6c0fafa6214c_terseLabel_en-US" xlink:label="lab_azul_DisclsureOfCapitalCommitmentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclsure of capital commitments [Table]</link:label>
    <link:label id="lab_azul_DisclsureOfCapitalCommitmentsTable_label_en-US" xlink:label="lab_azul_DisclsureOfCapitalCommitmentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclsure of capital commitments [Table]</link:label>
    <link:label id="lab_azul_DisclsureOfCapitalCommitmentsTable_documentation_en-US" xlink:label="lab_azul_DisclsureOfCapitalCommitmentsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclsure of capital commitments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclsureOfCapitalCommitmentsTable" xlink:href="azul-20260828.xsd#azul_DisclsureOfCapitalCommitmentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclsureOfCapitalCommitmentsTable" xlink:to="lab_azul_DisclsureOfCapitalCommitmentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DiferrendLiabilitiesAssetsMember_019fc94a-c9da-714e-a9a7-7cf7418f16c7_terseLabel_en-US" xlink:label="lab_azul_DiferrendLiabilitiesAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_azul_DiferrendLiabilitiesAssetsMember_label_en-US" xlink:label="lab_azul_DiferrendLiabilitiesAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diferrend liabilities (assets) [Member]</link:label>
    <link:label id="lab_azul_DiferrendLiabilitiesAssetsMember_documentation_en-US" xlink:label="lab_azul_DiferrendLiabilitiesAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Diferrend liabilities (assets)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DiferrendLiabilitiesAssetsMember" xlink:href="azul-20260828.xsd#azul_DiferrendLiabilitiesAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DiferrendLiabilitiesAssetsMember" xlink:to="lab_azul_DiferrendLiabilitiesAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_RemainingRecoveryPeriodOfRegulatoryDeferralAccount_019fc94a-c9d9-74dc-8ede-1ef4975cd5ad_terseLabel_en-US" xlink:label="lab_azul_RemainingRecoveryPeriodOfRegulatoryDeferralAccount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Past&#8209;due balances over</link:label>
    <link:label id="lab_azul_RemainingRecoveryPeriodOfRegulatoryDeferralAccount_label_en-US" xlink:label="lab_azul_RemainingRecoveryPeriodOfRegulatoryDeferralAccount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Remaining recovery period of regulatory deferral account</link:label>
    <link:label id="lab_azul_RemainingRecoveryPeriodOfRegulatoryDeferralAccount_documentation_en-US" xlink:label="lab_azul_RemainingRecoveryPeriodOfRegulatoryDeferralAccount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Remaining recovery period of regulatory deferral account</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_RemainingRecoveryPeriodOfRegulatoryDeferralAccount" xlink:href="azul-20260828.xsd#azul_RemainingRecoveryPeriodOfRegulatoryDeferralAccount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_RemainingRecoveryPeriodOfRegulatoryDeferralAccount" xlink:to="lab_azul_RemainingRecoveryPeriodOfRegulatoryDeferralAccount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ForeignCountriesMember_019fc94a-c9dc-7232-8d06-23caa22b157e_terseLabel_en-US" xlink:label="lab_ifrs-full_ForeignCountriesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign revenue</link:label>
    <link:label id="lab_ifrs-full_ForeignCountriesMember_label_en-US" xlink:label="lab_ifrs-full_ForeignCountriesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign countries [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ForeignCountriesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ForeignCountriesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ForeignCountriesMember" xlink:to="lab_ifrs-full_ForeignCountriesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdjustmentForFairValueOfSharesConversion_019fee33-cdbf-76d0-8d6a-c2ce0e0cf69f_negatedTerseLabel_en-US" xlink:label="lab_azul_AdjustmentForFairValueOfSharesConversion" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Fair value adjustment on conversion into shares</link:label>
    <link:label id="lab_azul_AdjustmentForFairValueOfSharesConversion_019fee33-9459-7ce0-8917-cd50fe9b87fd_terseLabel_en-US" xlink:label="lab_azul_AdjustmentForFairValueOfSharesConversion" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value adjustment on conversion into shares</link:label>
    <link:label id="lab_azul_AdjustmentForFairValueOfSharesConversion_label_en-US" xlink:label="lab_azul_AdjustmentForFairValueOfSharesConversion" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment For Fair Value of Shares Conversion</link:label>
    <link:label id="lab_azul_AdjustmentForFairValueOfSharesConversion_documentation_en-US" xlink:label="lab_azul_AdjustmentForFairValueOfSharesConversion" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustment For Fair Value of Shares Conversion</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdjustmentForFairValueOfSharesConversion" xlink:href="azul-20260828.xsd#azul_AdjustmentForFairValueOfSharesConversion"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdjustmentForFairValueOfSharesConversion" xlink:to="lab_azul_AdjustmentForFairValueOfSharesConversion" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxRateEffectOfTaxLosses_019fc94a-c9da-7fa2-a33c-bac35ff84354_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxRateEffectOfTaxLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Combined nominal tax rate</link:label>
    <link:label id="lab_ifrs-full_TaxRateEffectOfTaxLosses_label_en-US" xlink:label="lab_ifrs-full_TaxRateEffectOfTaxLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax rate effect of tax losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxRateEffectOfTaxLosses" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxRateEffectOfTaxLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxRateEffectOfTaxLosses" xlink:to="lab_ifrs-full_TaxRateEffectOfTaxLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_019fc94a-c9d9-7974-90c2-f6cd67ee6926_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</link:label>
    <link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdditionsToProvisionForAdvancesToSuppliers_019fc94a-c9da-75c2-a737-36b5212c4d9f_terseLabel_en-US" xlink:label="lab_azul_AdditionsToProvisionForAdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_azul_AdditionsToProvisionForAdvancesToSuppliers_label_en-US" xlink:label="lab_azul_AdditionsToProvisionForAdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions to provision for advances to suppliers</link:label>
    <link:label id="lab_azul_AdditionsToProvisionForAdvancesToSuppliers_documentation_en-US" xlink:label="lab_azul_AdditionsToProvisionForAdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents provision for advances to suppliers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdditionsToProvisionForAdvancesToSuppliers" xlink:href="azul-20260828.xsd#azul_AdditionsToProvisionForAdvancesToSuppliers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdditionsToProvisionForAdvancesToSuppliers" xlink:to="lab_azul_AdditionsToProvisionForAdvancesToSuppliers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsByNameDomain_019fc94a-c9da-71d5-8159-7a1ba51c6bfa_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings by name</link:label>
    <link:label id="lab_ifrs-full_BorrowingsByNameDomain_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings by name [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByNameDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsByNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameDomain" xlink:to="lab_ifrs-full_BorrowingsByNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrencyRiskMember_019fc94a-c9dc-7324-9cc3-b2076c0486d8_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency risk</link:label>
    <link:label id="lab_ifrs-full_CurrencyRiskMember_label_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrencyRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrencyRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrencyRiskMember" xlink:to="lab_ifrs-full_CurrencyRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeReceivablesMember_019fc94a-c9d9-7d13-a488-05ad34851268_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable</link:label>
    <link:label id="lab_ifrs-full_TradeReceivablesMember_label_en-US" xlink:label="lab_ifrs-full_TradeReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade receivables [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeReceivablesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeReceivablesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeReceivablesMember" xlink:to="lab_ifrs-full_TradeReceivablesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdjustmentsForIncreaseDecreaseInServicesExecution_019fcdb1-8e31-7a00-8137-6e2a047394c1_terseLabel_en-US" xlink:label="lab_azul_AdjustmentsForIncreaseDecreaseInServicesExecution" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Air traffic liability, services and loyalty program</link:label>
    <link:label id="lab_azul_AdjustmentsForIncreaseDecreaseInServicesExecution_label_en-US" xlink:label="lab_azul_AdjustmentsForIncreaseDecreaseInServicesExecution" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in services execution</link:label>
    <link:label id="lab_azul_AdjustmentsForIncreaseDecreaseInServicesExecution_documentation_en-US" xlink:label="lab_azul_AdjustmentsForIncreaseDecreaseInServicesExecution" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in services execution</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdjustmentsForIncreaseDecreaseInServicesExecution" xlink:href="azul-20260828.xsd#azul_AdjustmentsForIncreaseDecreaseInServicesExecution"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdjustmentsForIncreaseDecreaseInServicesExecution" xlink:to="lab_azul_AdjustmentsForIncreaseDecreaseInServicesExecution" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_019fc94a-c9dc-777e-bf07-6087441fb698_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_label_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from contracts with customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromContractsWithCustomers" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromContractsWithCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromContractsWithCustomers" xlink:to="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestCostsIncurred_019fc94a-c9da-7b0a-9b43-fc9b15fe98c1_verboseLabel_en-US" xlink:label="lab_ifrs-full_InterestCostsIncurred" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest incurred</link:label>
    <link:label id="lab_ifrs-full_InterestCostsIncurred_label_en-US" xlink:label="lab_ifrs-full_InterestCostsIncurred" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest costs incurred</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestCostsIncurred" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestCostsIncurred"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestCostsIncurred" xlink:to="lab_ifrs-full_InterestCostsIncurred" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseInExchangeRateVariationDueToReasonablyPossibleIncreaseInExchangeRates_019fc94a-c9dc-74bd-8773-74bfd4b3e02e_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseInExchangeRateVariationDueToReasonablyPossibleIncreaseInExchangeRates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect on profit or loss</link:label>
    <link:label id="lab_azul_IncreaseDecreaseInExchangeRateVariationDueToReasonablyPossibleIncreaseInExchangeRates_label_en-US" xlink:label="lab_azul_IncreaseDecreaseInExchangeRateVariationDueToReasonablyPossibleIncreaseInExchangeRates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in exchange rate variation due to reasonably possible increase in exchange rates</link:label>
    <link:label id="lab_azul_IncreaseDecreaseInExchangeRateVariationDueToReasonablyPossibleIncreaseInExchangeRates_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseInExchangeRateVariationDueToReasonablyPossibleIncreaseInExchangeRates" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (decrease) on exchange rate variation as a result of a reasonably possible increase in exchange rates at the end of the reporting period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseInExchangeRateVariationDueToReasonablyPossibleIncreaseInExchangeRates" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseInExchangeRateVariationDueToReasonablyPossibleIncreaseInExchangeRates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseInExchangeRateVariationDueToReasonablyPossibleIncreaseInExchangeRates" xlink:to="lab_azul_IncreaseDecreaseInExchangeRateVariationDueToReasonablyPossibleIncreaseInExchangeRates" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ConvertibleDebentureInstrumentMember_019fc94a-c9da-78af-8c74-6c86e356a792_terseLabel_en-US" xlink:label="lab_azul_ConvertibleDebentureInstrumentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible debenture instrument</link:label>
    <link:label id="lab_azul_ConvertibleDebentureInstrumentMember_label_en-US" xlink:label="lab_azul_ConvertibleDebentureInstrumentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Debenture Instrument [Member]</link:label>
    <link:label id="lab_azul_ConvertibleDebentureInstrumentMember_documentation_en-US" xlink:label="lab_azul_ConvertibleDebentureInstrumentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Convertible Debenture Instrument</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ConvertibleDebentureInstrumentMember" xlink:href="azul-20260828.xsd#azul_ConvertibleDebentureInstrumentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ConvertibleDebentureInstrumentMember" xlink:to="lab_azul_ConvertibleDebentureInstrumentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_StatementGeographicalAxis_019fc94a-c9dc-78a5-a272-96238d93c582_terseLabel_en-US" xlink:label="lab_srt_StatementGeographicalAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:label id="lab_srt_StatementGeographicalAxis_label_en-US" xlink:label="lab_srt_StatementGeographicalAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StatementGeographicalAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StatementGeographicalAxis" xlink:to="lab_srt_StatementGeographicalAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesAxis_019fc94a-c9db-711e-98d5-35233ac3012f_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TreasurySharesMember_019fc94a-33e4-74f9-bb5c-6cf9092246ad_terseLabel_en-US" xlink:label="lab_ifrs-full_TreasurySharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Treasury shares</link:label>
    <link:label id="lab_ifrs-full_TreasurySharesMember_label_en-US" xlink:label="lab_ifrs-full_TreasurySharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury shares [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TreasurySharesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TreasurySharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TreasurySharesMember" xlink:to="lab_ifrs-full_TreasurySharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PastDueStatusDomain_019fc94a-c9d9-77fa-a8d0-54e05cf2c0ce_terseLabel_en-US" xlink:label="lab_ifrs-full_PastDueStatusDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Past due status</link:label>
    <link:label id="lab_ifrs-full_PastDueStatusDomain_label_en-US" xlink:label="lab_ifrs-full_PastDueStatusDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Past due status [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PastDueStatusDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PastDueStatusDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastDueStatusDomain" xlink:to="lab_ifrs-full_PastDueStatusDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ConvertibleInstrumentsMember_019fc94a-c9dc-7fc2-bb9c-bc7c56fc586b_terseLabel_en-US" xlink:label="lab_ifrs-full_ConvertibleInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible debt instruments</link:label>
    <link:label id="lab_ifrs-full_ConvertibleInstrumentsMember_label_en-US" xlink:label="lab_ifrs-full_ConvertibleInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible instruments [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ConvertibleInstrumentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ConvertibleInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ConvertibleInstrumentsMember" xlink:to="lab_ifrs-full_ConvertibleInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_019fc94a-c9dc-7b26-9763-ce71ff32fc40_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:to="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_019fcdb1-8e31-7f41-86b9-2b7cae7a4b5c_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for depreciation and amortisation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:to="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashAdditionToARO_019fc94a-c9dc-77b2-8184-98303ab1fa83_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashAdditionToARO" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Addition the ARO</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashAdditionToARO_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashAdditionToARO" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Addition To ARO</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashAdditionToARO_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashAdditionToARO" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Addition To ARO</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughNoncashAdditionToARO" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughNoncashAdditionToARO"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughNoncashAdditionToARO" xlink:to="lab_azul_IncreaseDecreaseThroughNoncashAdditionToARO" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ClassesOfCapitalCommitmentsDomain_019fc94a-c9dc-7e0b-864d-51075b0cda7e_terseLabel_en-US" xlink:label="lab_azul_ClassesOfCapitalCommitmentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of capital commitments [Domain]</link:label>
    <link:label id="lab_azul_ClassesOfCapitalCommitmentsDomain_label_en-US" xlink:label="lab_azul_ClassesOfCapitalCommitmentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of capital commitments [Domain]</link:label>
    <link:label id="lab_azul_ClassesOfCapitalCommitmentsDomain_documentation_en-US" xlink:label="lab_azul_ClassesOfCapitalCommitmentsDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Classes of capital commitments [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ClassesOfCapitalCommitmentsDomain" xlink:href="azul-20260828.xsd#azul_ClassesOfCapitalCommitmentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ClassesOfCapitalCommitmentsDomain" xlink:to="lab_azul_ClassesOfCapitalCommitmentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesLineItems_019fc94a-c9da-709f-9fbc-9a17079e3f97_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Future Minimum Payments Of Lease Liabilities [Line Items]</link:label>
    <link:label id="lab_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesLineItems_label_en-US" xlink:label="lab_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Future Minimum Payments Of Lease Liabilities [Line Items]</link:label>
    <link:label id="lab_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesLineItems_documentation_en-US" xlink:label="lab_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Future Minimum Payments Of Lease Liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesLineItems" xlink:href="azul-20260828.xsd#azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesLineItems" xlink:to="lab_azul_DisclosureOfDetailedInformationAboutFutureMinimumPaymentsOfLeaseLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssueOfEquity_019fc94a-33e4-71ea-bac7-def43c112adb_terseLabel_en-US" xlink:label="lab_ifrs-full_IssueOfEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost of issuing shares</link:label>
    <link:label id="lab_ifrs-full_IssueOfEquity_019ffbb0-895c-7943-807e-5b161e827c29_verboseLabel_en-US" xlink:label="lab_ifrs-full_IssueOfEquity" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Capital increase</link:label>
    <link:label id="lab_ifrs-full_IssueOfEquity_label_en-US" xlink:label="lab_ifrs-full_IssueOfEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issue of equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssueOfEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssueOfEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssueOfEquity" xlink:to="lab_ifrs-full_IssueOfEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AccountsPayable1Member_019fc94a-c9db-7e36-87ba-2aa29c37cd80_terseLabel_en-US" xlink:label="lab_azul_AccountsPayable1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</link:label>
    <link:label id="lab_azul_AccountsPayable1Member_label_en-US" xlink:label="lab_azul_AccountsPayable1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable1 [Member]</link:label>
    <link:label id="lab_azul_AccountsPayable1Member_documentation_en-US" xlink:label="lab_azul_AccountsPayable1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents accounts payable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AccountsPayable1Member" xlink:href="azul-20260828.xsd#azul_AccountsPayable1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AccountsPayable1Member" xlink:to="lab_azul_AccountsPayable1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract_019fc94a-c9da-772c-b14a-96a101617bc7_terseLabel_en-US" xlink:label="lab_ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in property, plant and equipment [abstract]</link:label>
    <link:label id="lab_ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract_label_en-US" xlink:label="lab_ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes in property, plant and equipment [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract" xlink:to="lab_ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashExecutionOfLettersOfCredit_019fc94a-c9dc-7126-bd2d-b5b505319cc4_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashExecutionOfLettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Execution of letters of credit</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashExecutionOfLettersOfCredit_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashExecutionOfLettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease Through Noncash Execution Of Letters Of Credit</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashExecutionOfLettersOfCredit_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashExecutionOfLettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase Decrease Through Noncash Execution Of Letters Of Credit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughNoncashExecutionOfLettersOfCredit" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughNoncashExecutionOfLettersOfCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughNoncashExecutionOfLettersOfCredit" xlink:to="lab_azul_IncreaseDecreaseThroughNoncashExecutionOfLettersOfCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CurrentAdvancesToSuppliersProvisionOfLossess_019fc94a-c9da-734d-b9fb-d26e804ce72b_terseLabel_en-US" xlink:label="lab_azul_CurrentAdvancesToSuppliersProvisionOfLossess" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for loss</link:label>
    <link:label id="lab_azul_CurrentAdvancesToSuppliersProvisionOfLossess_label_en-US" xlink:label="lab_azul_CurrentAdvancesToSuppliersProvisionOfLossess" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Advances To Suppliers Provision of Lossess</link:label>
    <link:label id="lab_azul_CurrentAdvancesToSuppliersProvisionOfLossess_documentation_en-US" xlink:label="lab_azul_CurrentAdvancesToSuppliersProvisionOfLossess" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current Advances To Suppliers Provision of Lossess</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CurrentAdvancesToSuppliersProvisionOfLossess" xlink:href="azul-20260828.xsd#azul_CurrentAdvancesToSuppliersProvisionOfLossess"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CurrentAdvancesToSuppliersProvisionOfLossess" xlink:to="lab_azul_CurrentAdvancesToSuppliersProvisionOfLossess" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_RateDifferentialEffectiveTaxRate_019feefd-3df0-7db0-ba4a-5c02fa1f023e_terseLabel_en-US" xlink:label="lab_azul_RateDifferentialEffectiveTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rate differential</link:label>
    <link:label id="lab_azul_RateDifferentialEffectiveTaxRate_label_en-US" xlink:label="lab_azul_RateDifferentialEffectiveTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rate Differential Effective Tax Rate</link:label>
    <link:label id="lab_azul_RateDifferentialEffectiveTaxRate_documentation_en-US" xlink:label="lab_azul_RateDifferentialEffectiveTaxRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rate Differential Effective Tax Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_RateDifferentialEffectiveTaxRate" xlink:href="azul-20260828.xsd#azul_RateDifferentialEffectiveTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_RateDifferentialEffectiveTaxRate" xlink:to="lab_azul_RateDifferentialEffectiveTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfFinancialResultTextBlock_019fc94a-c9dc-7504-9459-8873a502c77a_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfFinancialResultTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Result</link:label>
    <link:label id="lab_azul_DisclosureOfFinancialResultTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfFinancialResultTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial result [Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfFinancialResultTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfFinancialResultTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of financial result.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfFinancialResultTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfFinancialResultTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfFinancialResultTextBlock" xlink:to="lab_azul_DisclosureOfFinancialResultTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentReceivables_019fc94a-33e3-71ec-ab6f-8e60fcbb0043_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable</link:label>
    <link:label id="lab_ifrs-full_NoncurrentReceivables_019fc94a-c9d9-72e3-bdc3-4238aac096ad_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_NoncurrentReceivables_label_en-US" xlink:label="lab_ifrs-full_NoncurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other non-current receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentReceivables" xlink:to="lab_ifrs-full_NoncurrentReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_WorkingCapitalLoansMember_019fc94a-c9da-70e9-a2e9-a2a7f3c919bc_terseLabel_en-US" xlink:label="lab_azul_WorkingCapitalLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Working capital</link:label>
    <link:label id="lab_azul_WorkingCapitalLoansMember_label_en-US" xlink:label="lab_azul_WorkingCapitalLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Working capital loans [Member]</link:label>
    <link:label id="lab_azul_WorkingCapitalLoansMember_documentation_en-US" xlink:label="lab_azul_WorkingCapitalLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Working capital loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_WorkingCapitalLoansMember" xlink:href="azul-20260828.xsd#azul_WorkingCapitalLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_WorkingCapitalLoansMember" xlink:to="lab_azul_WorkingCapitalLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BreakdownOfSecurityRollForward_019fc94a-c9d9-78fc-b05a-2f4762abf59c_terseLabel_en-US" xlink:label="lab_azul_BreakdownOfSecurityRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Breakdown of Security [Roll Forward]</link:label>
    <link:label id="lab_azul_BreakdownOfSecurityRollForward_label_en-US" xlink:label="lab_azul_BreakdownOfSecurityRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Breakdown of Security [Roll Forward]</link:label>
    <link:label id="lab_azul_BreakdownOfSecurityRollForward_documentation_en-US" xlink:label="lab_azul_BreakdownOfSecurityRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Breakdown of Security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BreakdownOfSecurityRollForward" xlink:href="azul-20260828.xsd#azul_BreakdownOfSecurityRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BreakdownOfSecurityRollForward" xlink:to="lab_azul_BreakdownOfSecurityRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CurrentCateringAndUniformsInventory_019fc94a-c9d9-78af-a65f-56432523f1bd_terseLabel_en-US" xlink:label="lab_azul_CurrentCateringAndUniformsInventory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Flight attendant, uniforms and others</link:label>
    <link:label id="lab_azul_CurrentCateringAndUniformsInventory_label_en-US" xlink:label="lab_azul_CurrentCateringAndUniformsInventory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current catering and uniforms inventory</link:label>
    <link:label id="lab_azul_CurrentCateringAndUniformsInventory_documentation_en-US" xlink:label="lab_azul_CurrentCateringAndUniformsInventory" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of inventory relating to current catering and uniforms.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CurrentCateringAndUniformsInventory" xlink:href="azul-20260828.xsd#azul_CurrentCateringAndUniformsInventory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CurrentCateringAndUniformsInventory" xlink:to="lab_azul_CurrentCateringAndUniformsInventory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherAssetsCommissions_019fc94a-c9da-76e3-9208-aced5f9b01e9_terseLabel_en-US" xlink:label="lab_azul_OtherAssetsCommissions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commissions</link:label>
    <link:label id="lab_azul_OtherAssetsCommissions_label_en-US" xlink:label="lab_azul_OtherAssetsCommissions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other assets, Commissions</link:label>
    <link:label id="lab_azul_OtherAssetsCommissions_documentation_en-US" xlink:label="lab_azul_OtherAssetsCommissions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other assets, Commissions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherAssetsCommissions" xlink:href="azul-20260828.xsd#azul_OtherAssetsCommissions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherAssetsCommissions" xlink:to="lab_azul_OtherAssetsCommissions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_019fcdb1-8e32-70e0-b9ec-9cb4a3d483e8_negatedLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments</link:label>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of borrowings, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsByNameAxis_019fc94a-c9da-7dab-b3e4-62aeb07c8686_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings by name [axis]</link:label>
    <link:label id="lab_ifrs-full_BorrowingsByNameAxis_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings by name [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByNameAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsByNameAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameAxis" xlink:to="lab_ifrs-full_BorrowingsByNameAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_019fc94a-c9db-7146-83f3-f26814043ccb_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">ACCOUNTS PAYABLE</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of trade and other payables [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_019fc94a-c9db-71db-9667-73ae27dd75e0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Issued Capital</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DescriptionOfAccountingPolicyForNewOrAmendedAccountingStandardsAndPrinciplesEffectiveFrom2024OnwardsExplanatoryTextBlock_019fc94a-c9d9-7737-9a09-3634397a60ec_terseLabel_en-US" xlink:label="lab_azul_DescriptionOfAccountingPolicyForNewOrAmendedAccountingStandardsAndPrinciplesEffectiveFrom2024OnwardsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New and revised relevant accounting standards and interpretations</link:label>
    <link:label id="lab_azul_DescriptionOfAccountingPolicyForNewOrAmendedAccountingStandardsAndPrinciplesEffectiveFrom2024OnwardsExplanatoryTextBlock_label_en-US" xlink:label="lab_azul_DescriptionOfAccountingPolicyForNewOrAmendedAccountingStandardsAndPrinciplesEffectiveFrom2024OnwardsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of Accounting Policy for New or amended accounting standards and principles, effective from 2024 onwards Explanatory [Text Block]</link:label>
    <link:label id="lab_azul_DescriptionOfAccountingPolicyForNewOrAmendedAccountingStandardsAndPrinciplesEffectiveFrom2024OnwardsExplanatoryTextBlock_documentation_en-US" xlink:label="lab_azul_DescriptionOfAccountingPolicyForNewOrAmendedAccountingStandardsAndPrinciplesEffectiveFrom2024OnwardsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Description of Accounting Policy for New or amended accounting standards and principles, effective from 2024 onwards Explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DescriptionOfAccountingPolicyForNewOrAmendedAccountingStandardsAndPrinciplesEffectiveFrom2024OnwardsExplanatoryTextBlock" xlink:href="azul-20260828.xsd#azul_DescriptionOfAccountingPolicyForNewOrAmendedAccountingStandardsAndPrinciplesEffectiveFrom2024OnwardsExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DescriptionOfAccountingPolicyForNewOrAmendedAccountingStandardsAndPrinciplesEffectiveFrom2024OnwardsExplanatoryTextBlock" xlink:to="lab_azul_DescriptionOfAccountingPolicyForNewOrAmendedAccountingStandardsAndPrinciplesEffectiveFrom2024OnwardsExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_019fc94a-c9dc-7ea9-b207-93df516e5704_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">RISK MANAGEMENT</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_019fc94a-c9da-7fac-968b-16eb66602c00_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Property, Plant and Equipment</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain_019fc94a-c9da-70e8-b1d0-e0f3f0a29083_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of intangible assets and goodwill</link:label>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of intangible assets and goodwill [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsInterestRate_019fc94a-c9da-7884-bb2b-5c706184bc39_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average nominal rate p.a.</link:label>
    <link:label id="lab_ifrs-full_BorrowingsInterestRate_label_en-US" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, interest rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsInterestRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsInterestRate" xlink:to="lab_ifrs-full_BorrowingsInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_019fcdb1-8e32-766a-b21a-34041c68c30d_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by investing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_019fc94a-c9db-758c-ae11-af5c1e7420dc_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">DERIVATIVE FINANCIAL INSTRUMENTS</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of derivative financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ShortTermInvestmentTextBlock_019feef0-2750-7f0c-8f0c-e0a9bb473034_terseLabel_en-US" xlink:label="lab_azul_ShortTermInvestmentTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SHORT-TERM INVESTMENTS</link:label>
    <link:label id="lab_azul_ShortTermInvestmentTextBlock_label_en-US" xlink:label="lab_azul_ShortTermInvestmentTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-Term Investment [Text Block]</link:label>
    <link:label id="lab_azul_ShortTermInvestmentTextBlock_documentation_en-US" xlink:label="lab_azul_ShortTermInvestmentTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Short-Term Investment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ShortTermInvestmentTextBlock" xlink:href="azul-20260828.xsd#azul_ShortTermInvestmentTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ShortTermInvestmentTextBlock" xlink:to="lab_azul_ShortTermInvestmentTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AverageCostAbstract_019fc94a-c9db-798d-b3d8-3f1fdca1b403_terseLabel_en-US" xlink:label="lab_azul_AverageCostAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average cost (in R$)</link:label>
    <link:label id="lab_azul_AverageCostAbstract_label_en-US" xlink:label="lab_azul_AverageCostAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average cost [Abstract]</link:label>
    <link:label id="lab_azul_AverageCostAbstract_documentation_en-US" xlink:label="lab_azul_AverageCostAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Average cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AverageCostAbstract" xlink:href="azul-20260828.xsd#azul_AverageCostAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AverageCostAbstract" xlink:to="lab_azul_AverageCostAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CostOfFinancialOperations_019fc94a-c9dc-7a27-819e-299020613974_negatedTerseLabel_en-US" xlink:label="lab_azul_CostOfFinancialOperations" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Financial operations cost</link:label>
    <link:label id="lab_azul_CostOfFinancialOperations_label_en-US" xlink:label="lab_azul_CostOfFinancialOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of financial operations</link:label>
    <link:label id="lab_azul_CostOfFinancialOperations_documentation_en-US" xlink:label="lab_azul_CostOfFinancialOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cost of financial operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CostOfFinancialOperations" xlink:href="azul-20260828.xsd#azul_CostOfFinancialOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CostOfFinancialOperations" xlink:to="lab_azul_CostOfFinancialOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_GeneralUnsecuredClaimsBreakageMember_019fc94a-c9db-7ac9-ad93-1e419132d279_terseLabel_en-US" xlink:label="lab_azul_GeneralUnsecuredClaimsBreakageMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Breakage &#8211; GUC &#8211; Chapter 11</link:label>
    <link:label id="lab_azul_GeneralUnsecuredClaimsBreakageMember_label_en-US" xlink:label="lab_azul_GeneralUnsecuredClaimsBreakageMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General Unsecured Claims, Breakage [Member]</link:label>
    <link:label id="lab_azul_GeneralUnsecuredClaimsBreakageMember_documentation_en-US" xlink:label="lab_azul_GeneralUnsecuredClaimsBreakageMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">General Unsecured Claims, Breakage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_GeneralUnsecuredClaimsBreakageMember" xlink:href="azul-20260828.xsd#azul_GeneralUnsecuredClaimsBreakageMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_GeneralUnsecuredClaimsBreakageMember" xlink:to="lab_azul_GeneralUnsecuredClaimsBreakageMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EmployeeBenefitsExpense_019fc94a-33e3-7787-9f7d-5bf84ac93c1b_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Salaries and employee benefits</link:label>
    <link:label id="lab_ifrs-full_EmployeeBenefitsExpense_label_en-US" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee benefits expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EmployeeBenefitsExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EmployeeBenefitsExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EmployeeBenefitsExpense" xlink:to="lab_ifrs-full_EmployeeBenefitsExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ReductionInSupplierArrangementsDueToRestructuring_019fc94a-c9db-73d4-92e7-84852ed4e497_terseLabel_en-US" xlink:label="lab_azul_ReductionInSupplierArrangementsDueToRestructuring" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Renegotiations &#8211; financial - Chapter 11</link:label>
    <link:label id="lab_azul_ReductionInSupplierArrangementsDueToRestructuring_label_en-US" xlink:label="lab_azul_ReductionInSupplierArrangementsDueToRestructuring" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reduction In Supplier Arrangements Due To Restructuring</link:label>
    <link:label id="lab_azul_ReductionInSupplierArrangementsDueToRestructuring_documentation_en-US" xlink:label="lab_azul_ReductionInSupplierArrangementsDueToRestructuring" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reduction In Supplier Arrangements Due To Restructuring</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ReductionInSupplierArrangementsDueToRestructuring" xlink:href="azul-20260828.xsd#azul_ReductionInSupplierArrangementsDueToRestructuring"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ReductionInSupplierArrangementsDueToRestructuring" xlink:to="lab_azul_ReductionInSupplierArrangementsDueToRestructuring" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TypeOfIssuanceOfSharesDomain_019fc94a-c9db-73a1-b9d0-6b0ed00fbd04_terseLabel_en-US" xlink:label="lab_azul_TypeOfIssuanceOfSharesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type Of Issuance Of Shares [Domain]</link:label>
    <link:label id="lab_azul_TypeOfIssuanceOfSharesDomain_label_en-US" xlink:label="lab_azul_TypeOfIssuanceOfSharesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type Of Issuance Of Shares [Domain]</link:label>
    <link:label id="lab_azul_TypeOfIssuanceOfSharesDomain_documentation_en-US" xlink:label="lab_azul_TypeOfIssuanceOfSharesDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Type Of Issuance Of Shares [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TypeOfIssuanceOfSharesDomain" xlink:href="azul-20260828.xsd#azul_TypeOfIssuanceOfSharesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TypeOfIssuanceOfSharesDomain" xlink:to="lab_azul_TypeOfIssuanceOfSharesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInWorkingCapital_019fc94a-c9d9-76aa-a25b-9cf7b2546833_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variation</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInWorkingCapital_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in working capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInWorkingCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:to="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAssets_019fc94a-33e3-7956-8a3c-244e0c56e80a_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current assets</link:label>
    <link:label id="lab_ifrs-full_CurrentAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssets" xlink:to="lab_ifrs-full_CurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_NonCurrentConvertibleInstruments_019fc94a-33e3-719c-993f-b9dbf029c6f8_terseLabel_en-US" xlink:label="lab_azul_NonCurrentConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible debt instruments</link:label>
    <link:label id="lab_azul_NonCurrentConvertibleInstruments_019fc94a-c9db-79af-a61e-d0b765645dbb_verboseLabel_en-US" xlink:label="lab_azul_NonCurrentConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_azul_NonCurrentConvertibleInstruments_label_en-US" xlink:label="lab_azul_NonCurrentConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current convertible instruments</link:label>
    <link:label id="lab_azul_NonCurrentConvertibleInstruments_documentation_en-US" xlink:label="lab_azul_NonCurrentConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-current convertible instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_NonCurrentConvertibleInstruments" xlink:href="azul-20260828.xsd#azul_NonCurrentConvertibleInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_NonCurrentConvertibleInstruments" xlink:to="lab_azul_NonCurrentConvertibleInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TrafficAndCustomerServicing_019fc94a-33e3-7d6f-8833-8c4e2d27197b_negatedTerseLabel_en-US" xlink:label="lab_azul_TrafficAndCustomerServicing" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Auxiliary services for air transport</link:label>
    <link:label id="lab_azul_TrafficAndCustomerServicing_label_en-US" xlink:label="lab_azul_TrafficAndCustomerServicing" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Traffic and customer servicing</link:label>
    <link:label id="lab_azul_TrafficAndCustomerServicing_documentation_en-US" xlink:label="lab_azul_TrafficAndCustomerServicing" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Traffic and customer servicing.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TrafficAndCustomerServicing" xlink:href="azul-20260828.xsd#azul_TrafficAndCustomerServicing"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TrafficAndCustomerServicing" xlink:to="lab_azul_TrafficAndCustomerServicing" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LocalInterbankDepositCertificatesRateCDIMember_019fc94a-c9dc-76e3-9ed0-0993073a9a76_terseLabel_en-US" xlink:label="lab_azul_LocalInterbankDepositCertificatesRateCDIMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exposure to CDI</link:label>
    <link:label id="lab_azul_LocalInterbankDepositCertificatesRateCDIMember_label_en-US" xlink:label="lab_azul_LocalInterbankDepositCertificatesRateCDIMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Local interbank deposit certificates rate - CDI [Member]</link:label>
    <link:label id="lab_azul_LocalInterbankDepositCertificatesRateCDIMember_documentation_en-US" xlink:label="lab_azul_LocalInterbankDepositCertificatesRateCDIMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Local interbank deposit certificates rate - CDI</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LocalInterbankDepositCertificatesRateCDIMember" xlink:href="azul-20260828.xsd#azul_LocalInterbankDepositCertificatesRateCDIMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LocalInterbankDepositCertificatesRateCDIMember" xlink:to="lab_azul_LocalInterbankDepositCertificatesRateCDIMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ProvisionsOfChangesInOperatingAssetsAndLiabilities_019fcdb1-8e31-71e0-af5e-c34180c76fff_terseLabel_en-US" xlink:label="lab_azul_ProvisionsOfChangesInOperatingAssetsAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_azul_ProvisionsOfChangesInOperatingAssetsAndLiabilities_label_en-US" xlink:label="lab_azul_ProvisionsOfChangesInOperatingAssetsAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions of changes in operating assets and liabilities</link:label>
    <link:label id="lab_azul_ProvisionsOfChangesInOperatingAssetsAndLiabilities_documentation_en-US" xlink:label="lab_azul_ProvisionsOfChangesInOperatingAssetsAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provisions of changes in operating assets and liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ProvisionsOfChangesInOperatingAssetsAndLiabilities" xlink:href="azul-20260828.xsd#azul_ProvisionsOfChangesInOperatingAssetsAndLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ProvisionsOfChangesInOperatingAssetsAndLiabilities" xlink:to="lab_azul_ProvisionsOfChangesInOperatingAssetsAndLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfRisksAxis_019fc94a-c9dc-702a-ad57-da0eee353004_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of risks [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfRisksAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of risks [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfRisksAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksAxis" xlink:to="lab_ifrs-full_TypesOfRisksAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilitiesNoncurrent_019fc94a-33e3-73db-891a-df314fcf250d_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taxes payable</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilitiesNoncurrent_019fc94a-c9db-7031-b1a8-4d04668982e3_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesNoncurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilitiesNoncurrent_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax liabilities, non-current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxLiabilitiesNoncurrent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxLiabilitiesNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxLiabilitiesNoncurrent" xlink:to="lab_ifrs-full_CurrentTaxLiabilitiesNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherPayablesAbstract_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayablesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other payables [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherPayablesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherPayablesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherPayablesAbstract" xlink:to="lab_ifrs-full_TradeAndOtherPayablesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DebtIntoEquityConversion_019fef46-8fb3-7e5e-9df1-38aa7e4025be_verboseLabel_en-US" xlink:label="lab_azul_DebtIntoEquityConversion" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt into equity conversion</link:label>
    <link:label id="lab_azul_DebtIntoEquityConversion_019fc94a-c9da-7224-9df3-e07c7492c9a7_terseLabel_en-US" xlink:label="lab_azul_DebtIntoEquityConversion" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest payment</link:label>
    <link:label id="lab_azul_DebtIntoEquityConversion_label_en-US" xlink:label="lab_azul_DebtIntoEquityConversion" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt into equity conversion</link:label>
    <link:label id="lab_azul_DebtIntoEquityConversion_documentation_en-US" xlink:label="lab_azul_DebtIntoEquityConversion" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt into equity conversion</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DebtIntoEquityConversion" xlink:href="azul-20260828.xsd#azul_DebtIntoEquityConversion"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DebtIntoEquityConversion" xlink:to="lab_azul_DebtIntoEquityConversion" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ChangesInOperatingAssetsAndLiabilitiesAbstract_019fcdb1-8e31-783a-ad08-25f74149bfc7_terseLabel_en-US" xlink:label="lab_azul_ChangesInOperatingAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in operating assets and liabilities</link:label>
    <link:label id="lab_azul_ChangesInOperatingAssetsAndLiabilitiesAbstract_label_en-US" xlink:label="lab_azul_ChangesInOperatingAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes in operating assets and liabilities [Abstract]</link:label>
    <link:label id="lab_azul_ChangesInOperatingAssetsAndLiabilitiesAbstract_documentation_en-US" xlink:label="lab_azul_ChangesInOperatingAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Abstract represents changes in operating assets and liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ChangesInOperatingAssetsAndLiabilitiesAbstract" xlink:href="azul-20260828.xsd#azul_ChangesInOperatingAssetsAndLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ChangesInOperatingAssetsAndLiabilitiesAbstract" xlink:to="lab_azul_ChangesInOperatingAssetsAndLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_019fc94a-c9db-7ae0-b0fb-9ec8fc59d559_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncomeTaxLossCarryforwards_019fc94a-c9da-7245-aafe-b78363ad7ffb_verboseLabel_en-US" xlink:label="lab_azul_IncomeTaxLossCarryforwards" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Tax loss</link:label>
    <link:label id="lab_azul_IncomeTaxLossCarryforwards_label_en-US" xlink:label="lab_azul_IncomeTaxLossCarryforwards" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax loss carryforwards</link:label>
    <link:label id="lab_azul_IncomeTaxLossCarryforwards_documentation_en-US" xlink:label="lab_azul_IncomeTaxLossCarryforwards" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income tax loss carryforwards</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncomeTaxLossCarryforwards" xlink:href="azul-20260828.xsd#azul_IncomeTaxLossCarryforwards"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncomeTaxLossCarryforwards" xlink:to="lab_azul_IncomeTaxLossCarryforwards" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAbstract_019fc94a-c9d9-7bec-942c-8b6af3397a0f_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statements of Operations [Abstract]</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAbstract_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="lab_ifrs-full_ProfitLossAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TreasurySharesAverageCostPerShare_019fc94a-c9db-7666-8e23-a0752eaeb9d1_periodStartLabel_en-US" xlink:label="lab_azul_TreasurySharesAverageCostPerShare" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Average cost per share, beginning balance (in brazilian real per share)</link:label>
    <link:label id="lab_azul_TreasurySharesAverageCostPerShare_019fc94a-c9db-7a35-bb0c-73531434381f_periodEndLabel_en-US" xlink:label="lab_azul_TreasurySharesAverageCostPerShare" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Average cost per share, ending balance (in brazilian real per share)</link:label>
    <link:label id="lab_azul_TreasurySharesAverageCostPerShare_label_en-US" xlink:label="lab_azul_TreasurySharesAverageCostPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury shares Average Cost Per Share</link:label>
    <link:label id="lab_azul_TreasurySharesAverageCostPerShare_documentation_en-US" xlink:label="lab_azul_TreasurySharesAverageCostPerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Treasury shares Average Cost Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TreasurySharesAverageCostPerShare" xlink:href="azul-20260828.xsd#azul_TreasurySharesAverageCostPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TreasurySharesAverageCostPerShare" xlink:to="lab_azul_TreasurySharesAverageCostPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxAssetsCurrent_019fc94a-33e3-7484-8f6b-97484bf27a5b_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Taxes recoverable</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxAssetsCurrent_019fc94a-c9d9-7fa8-98b5-631c51aa59e8_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxAssetsCurrent_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax assets, current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxAssetsCurrent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxAssetsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxAssetsCurrent" xlink:to="lab_ifrs-full_CurrentTaxAssetsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_BorrowingsPaymentsOfPrincipal_019fc94a-c9da-7b95-8c0d-9d4c069c77d4_terseLabel_en-US" xlink:label="lab_azul_BorrowingsPaymentsOfPrincipal" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payment of principal</link:label>
    <link:label id="lab_azul_BorrowingsPaymentsOfPrincipal_label_en-US" xlink:label="lab_azul_BorrowingsPaymentsOfPrincipal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, payments of principal</link:label>
    <link:label id="lab_azul_BorrowingsPaymentsOfPrincipal_documentation_en-US" xlink:label="lab_azul_BorrowingsPaymentsOfPrincipal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, payments of principal</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_BorrowingsPaymentsOfPrincipal" xlink:href="azul-20260828.xsd#azul_BorrowingsPaymentsOfPrincipal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_BorrowingsPaymentsOfPrincipal" xlink:to="lab_azul_BorrowingsPaymentsOfPrincipal" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidRefundAbstract_019fcdb1-8e32-73ce-ab4b-2faec7b4d6b9_terseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidRefundAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest paid</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidRefundAbstract_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidRefundAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income taxes paid (refund) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxesPaidRefundAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxesPaidRefundAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxesPaidRefundAbstract" xlink:to="lab_ifrs-full_IncomeTaxesPaidRefundAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentProvisionsForEmployeeBenefits_019fc94a-33e3-77a2-84ce-30995da25eaa_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentProvisionsForEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Salaries and social charges</link:label>
    <link:label id="lab_ifrs-full_CurrentProvisionsForEmployeeBenefits_label_en-US" xlink:label="lab_ifrs-full_CurrentProvisionsForEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current provisions for employee benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentProvisionsForEmployeeBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentProvisionsForEmployeeBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentProvisionsForEmployeeBenefits" xlink:to="lab_ifrs-full_CurrentProvisionsForEmployeeBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_019fc94a-c9da-7cd1-993b-6dad98e474b2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PROPERTY AND EQUIPMENT</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_TravelPackagesToBeExecutedMember_019fc94a-c9db-7def-b233-df40a7438ff9_terseLabel_en-US" xlink:label="lab_azul_TravelPackagesToBeExecutedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Travel packages</link:label>
    <link:label id="lab_azul_TravelPackagesToBeExecutedMember_label_en-US" xlink:label="lab_azul_TravelPackagesToBeExecutedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Travel packages to be executed [Member]</link:label>
    <link:label id="lab_azul_TravelPackagesToBeExecutedMember_documentation_en-US" xlink:label="lab_azul_TravelPackagesToBeExecutedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Travel packages to be executed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_TravelPackagesToBeExecutedMember" xlink:href="azul-20260828.xsd#azul_TravelPackagesToBeExecutedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_TravelPackagesToBeExecutedMember" xlink:to="lab_azul_TravelPackagesToBeExecutedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetDeferredTaxAssets_019fed3c-0133-7925-b916-f1a8fd376094_terseLabel_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred taxes</link:label>
    <link:label id="lab_ifrs-full_NetDeferredTaxAssets_019fef4f-e264-7c11-9265-0dc193f22a07_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deferred taxes</link:label>
    <link:label id="lab_ifrs-full_NetDeferredTaxAssets_label_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net deferred tax assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetDeferredTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetDeferredTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetDeferredTaxAssets" xlink:to="lab_ifrs-full_NetDeferredTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InterestIncurred_019fc94a-c9db-7828-b09e-b05c53d23e90_terseLabel_en-US" xlink:label="lab_azul_InterestIncurred" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest incurred</link:label>
    <link:label id="lab_azul_InterestIncurred_label_en-US" xlink:label="lab_azul_InterestIncurred" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest incurred</link:label>
    <link:label id="lab_azul_InterestIncurred_documentation_en-US" xlink:label="lab_azul_InterestIncurred" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest incurred</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InterestIncurred" xlink:href="azul-20260828.xsd#azul_InterestIncurred"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InterestIncurred" xlink:to="lab_azul_InterestIncurred" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ClassesOfCapitalCommitmentsAxis_019fc94a-c9dc-79d5-856c-ca3883ccd69f_terseLabel_en-US" xlink:label="lab_azul_ClassesOfCapitalCommitmentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of capital commitments [Axis]</link:label>
    <link:label id="lab_azul_ClassesOfCapitalCommitmentsAxis_label_en-US" xlink:label="lab_azul_ClassesOfCapitalCommitmentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of capital commitments [Axis]</link:label>
    <link:label id="lab_azul_ClassesOfCapitalCommitmentsAxis_documentation_en-US" xlink:label="lab_azul_ClassesOfCapitalCommitmentsAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Classes of capital commitments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ClassesOfCapitalCommitmentsAxis" xlink:href="azul-20260828.xsd#azul_ClassesOfCapitalCommitmentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ClassesOfCapitalCommitmentsAxis" xlink:to="lab_azul_ClassesOfCapitalCommitmentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfSalesRevenueAbstract_label_en-US" xlink:label="lab_azul_DisclosureOfSalesRevenueAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of sales revenue [Abstract]</link:label>
    <link:label id="lab_azul_DisclosureOfSalesRevenueAbstract_documentation_en-US" xlink:label="lab_azul_DisclosureOfSalesRevenueAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of sales revenue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfSalesRevenueAbstract" xlink:href="azul-20260828.xsd#azul_DisclosureOfSalesRevenueAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfSalesRevenueAbstract" xlink:to="lab_azul_DisclosureOfSalesRevenueAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_019ff1bc-610b-7085-b7fe-f641c69e5899_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_label_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfEquityDomain_019fc94a-33e4-7924-88d4-5990fec16c20_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of equity</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfEquityDomain_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of equity [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain" xlink:to="lab_ifrs-full_ComponentsOfEquityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_FinancingWithLessorsMember_019fc94a-c9da-74b2-8b11-d6b9d16a0b1c_terseLabel_en-US" xlink:label="lab_azul_FinancingWithLessorsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessors</link:label>
    <link:label id="lab_azul_FinancingWithLessorsMember_label_en-US" xlink:label="lab_azul_FinancingWithLessorsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing with Lessors [Member]</link:label>
    <link:label id="lab_azul_FinancingWithLessorsMember_documentation_en-US" xlink:label="lab_azul_FinancingWithLessorsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing with Lessors</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_FinancingWithLessorsMember" xlink:href="azul-20260828.xsd#azul_FinancingWithLessorsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_FinancingWithLessorsMember" xlink:to="lab_azul_FinancingWithLessorsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DisclosureOfProvisionForInventoryLossesTableTextBlock_019fc94a-c9d9-7042-88ca-ae02d0f81896_terseLabel_en-US" xlink:label="lab_azul_DisclosureOfProvisionForInventoryLossesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Provision For Inventory Losses</link:label>
    <link:label id="lab_azul_DisclosureOfProvisionForInventoryLossesTableTextBlock_label_en-US" xlink:label="lab_azul_DisclosureOfProvisionForInventoryLossesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Provision For Inventory Losses [Table Text Block]</link:label>
    <link:label id="lab_azul_DisclosureOfProvisionForInventoryLossesTableTextBlock_documentation_en-US" xlink:label="lab_azul_DisclosureOfProvisionForInventoryLossesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Provision For Inventory Losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DisclosureOfProvisionForInventoryLossesTableTextBlock" xlink:href="azul-20260828.xsd#azul_DisclosureOfProvisionForInventoryLossesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DisclosureOfProvisionForInventoryLossesTableTextBlock" xlink:to="lab_azul_DisclosureOfProvisionForInventoryLossesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities_019fc94a-c9da-7082-9886-d5ecb822726c_verboseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities_019fc94a-c9dc-7415-95af-08693fae4383_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition of lease</link:label>
    <link:label id="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase through new leases, liabilities arising from financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxAssets_019fc94a-c9d9-7b51-bcd7-7d1d720b73b6_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Taxes recoverable</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxAssets" xlink:to="lab_ifrs-full_CurrentTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ForeignCurrencyExchange_019fc94a-c9d9-776f-bf66-00be6f1e68eb_terseLabel_en-US" xlink:label="lab_azul_ForeignCurrencyExchange" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency exchange</link:label>
    <link:label id="lab_azul_ForeignCurrencyExchange_label_en-US" xlink:label="lab_azul_ForeignCurrencyExchange" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign currency exchange</link:label>
    <link:label id="lab_azul_ForeignCurrencyExchange_documentation_en-US" xlink:label="lab_azul_ForeignCurrencyExchange" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign currency exchange</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ForeignCurrencyExchange" xlink:href="azul-20260828.xsd#azul_ForeignCurrencyExchange"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ForeignCurrencyExchange" xlink:to="lab_azul_ForeignCurrencyExchange" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RiskExposuresDomain_019fc94a-c9dc-7551-9848-0f9f11f8f3fd_terseLabel_en-US" xlink:label="lab_ifrs-full_RiskExposuresDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk exposures [member]</link:label>
    <link:label id="lab_ifrs-full_RiskExposuresDomain_label_en-US" xlink:label="lab_ifrs-full_RiskExposuresDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk variables [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RiskExposuresDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RiskExposuresDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RiskExposuresDomain" xlink:to="lab_ifrs-full_RiskExposuresDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_019fc94a-c9da-7b48-8eca-e6a96772dd71_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [axis]</link:label>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:to="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RangeDomain_019fc94a-c9da-779b-9343-3c4044b1c0a1_terseLabel_en-US" xlink:label="lab_ifrs-full_RangeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range</link:label>
    <link:label id="lab_ifrs-full_RangeDomain_label_en-US" xlink:label="lab_ifrs-full_RangeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangeDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangeDomain" xlink:to="lab_ifrs-full_RangeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_LoyaltyProgramToBeExecutedMember_019fc94a-c9db-7c9d-bf8f-9707aa24f43a_terseLabel_en-US" xlink:label="lab_azul_LoyaltyProgramToBeExecutedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loyalty program</link:label>
    <link:label id="lab_azul_LoyaltyProgramToBeExecutedMember_label_en-US" xlink:label="lab_azul_LoyaltyProgramToBeExecutedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loyalty program to be executed [Member]</link:label>
    <link:label id="lab_azul_LoyaltyProgramToBeExecutedMember_documentation_en-US" xlink:label="lab_azul_LoyaltyProgramToBeExecutedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loyalty program to be executed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_LoyaltyProgramToBeExecutedMember" xlink:href="azul-20260828.xsd#azul_LoyaltyProgramToBeExecutedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_LoyaltyProgramToBeExecutedMember" xlink:to="lab_azul_LoyaltyProgramToBeExecutedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_SalariesAndBenefitsPayable_019fc94a-c9db-7463-b5c7-cc1631025849_totalLabel_en-US" xlink:label="lab_azul_SalariesAndBenefitsPayable" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_azul_SalariesAndBenefitsPayable_label_en-US" xlink:label="lab_azul_SalariesAndBenefitsPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Salaries and benefits payable</link:label>
    <link:label id="lab_azul_SalariesAndBenefitsPayable_documentation_en-US" xlink:label="lab_azul_SalariesAndBenefitsPayable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents Salaries and benefits payable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_SalariesAndBenefitsPayable" xlink:href="azul-20260828.xsd#azul_SalariesAndBenefitsPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_SalariesAndBenefitsPayable" xlink:to="lab_azul_SalariesAndBenefitsPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of changes in accounting estimates [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfChangesInAccountingEstimatesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfChangesInAccountingEstimatesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfChangesInAccountingEstimatesAbstract" xlink:to="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity_019fc94a-c9dc-75e1-9205-530beeaa7bd9_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrants distributed free</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through exercise of warrants, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashTransfers_019fc94a-c9dc-712b-ab4e-a4bf631b6a94_terseLabel_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashTransfers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashTransfers_label_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashTransfers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Transfers</link:label>
    <link:label id="lab_azul_IncreaseDecreaseThroughNoncashTransfers_documentation_en-US" xlink:label="lab_azul_IncreaseDecreaseThroughNoncashTransfers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Noncash Transfers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_IncreaseDecreaseThroughNoncashTransfers" xlink:href="azul-20260828.xsd#azul_IncreaseDecreaseThroughNoncashTransfers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_IncreaseDecreaseThroughNoncashTransfers" xlink:to="lab_azul_IncreaseDecreaseThroughNoncashTransfers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxAssetsNoncurrent_019fc94a-33e3-7c15-95f0-5b40cdbb29ba_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taxes recoverable</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxAssetsNoncurrent_019fc94a-c9d9-77b7-91d7-c4a3baea55d0_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxAssetsNoncurrent_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax assets, non-current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxAssetsNoncurrent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxAssetsNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxAssetsNoncurrent" xlink:to="lab_ifrs-full_CurrentTaxAssetsNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_InterestOnAirportTaxesAndFees_019fef3e-9bbc-70bf-845c-49bbd5b28920_negatedTerseLabel_en-US" xlink:label="lab_azul_InterestOnAirportTaxesAndFees" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Interest on airport taxes and fees</link:label>
    <link:label id="lab_azul_InterestOnAirportTaxesAndFees_label_en-US" xlink:label="lab_azul_InterestOnAirportTaxesAndFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest On Airport Taxes And Fees</link:label>
    <link:label id="lab_azul_InterestOnAirportTaxesAndFees_documentation_en-US" xlink:label="lab_azul_InterestOnAirportTaxesAndFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest On Airport Taxes And Fees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_InterestOnAirportTaxesAndFees" xlink:href="azul-20260828.xsd#azul_InterestOnAirportTaxesAndFees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_InterestOnAirportTaxesAndFees" xlink:to="lab_azul_InterestOnAirportTaxesAndFees" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AdvancesLocalCurrencyMember_019fc94a-c9d9-71aa-a56e-097f9802a6d0_terseLabel_en-US" xlink:label="lab_azul_AdvancesLocalCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Local currency</link:label>
    <link:label id="lab_azul_AdvancesLocalCurrencyMember_label_en-US" xlink:label="lab_azul_AdvancesLocalCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances local currency [Member]</link:label>
    <link:label id="lab_azul_AdvancesLocalCurrencyMember_documentation_en-US" xlink:label="lab_azul_AdvancesLocalCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advances local currency</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AdvancesLocalCurrencyMember" xlink:href="azul-20260828.xsd#azul_AdvancesLocalCurrencyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AdvancesLocalCurrencyMember" xlink:to="lab_azul_AdvancesLocalCurrencyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherTradeReceivablesMember_019fc94a-c9d9-7455-97d6-5031e48a4064_terseLabel_en-US" xlink:label="lab_azul_OtherTradeReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_azul_OtherTradeReceivablesMember_label_en-US" xlink:label="lab_azul_OtherTradeReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other trade receivables [Member]</link:label>
    <link:label id="lab_azul_OtherTradeReceivablesMember_documentation_en-US" xlink:label="lab_azul_OtherTradeReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other trade receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherTradeReceivablesMember" xlink:href="azul-20260828.xsd#azul_OtherTradeReceivablesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherTradeReceivablesMember" xlink:to="lab_azul_OtherTradeReceivablesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLeaseLiabilities_019fc94a-33e3-7cf4-b6ac-58872797b816_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leases</link:label>
    <link:label id="lab_ifrs-full_CurrentLeaseLiabilities_019fc94a-c9da-754e-a1b5-8c98e8a873cf_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLeaseLiabilities" xlink:to="lab_ifrs-full_CurrentLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_DeferredTaxIncomeAndSocialContribution_019fcdb1-8e31-7780-9cc3-10d4c0588b88_negatedTerseLabel_en-US" xlink:label="lab_azul_DeferredTaxIncomeAndSocialContribution" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deferred income tax and social contribution</link:label>
    <link:label id="lab_azul_DeferredTaxIncomeAndSocialContribution_label_en-US" xlink:label="lab_azul_DeferredTaxIncomeAndSocialContribution" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax (income) and social contribution</link:label>
    <link:label id="lab_azul_DeferredTaxIncomeAndSocialContribution_documentation_en-US" xlink:label="lab_azul_DeferredTaxIncomeAndSocialContribution" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred tax (income) and social contribution</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_DeferredTaxIncomeAndSocialContribution" xlink:href="azul-20260828.xsd#azul_DeferredTaxIncomeAndSocialContribution"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_DeferredTaxIncomeAndSocialContribution" xlink:to="lab_azul_DeferredTaxIncomeAndSocialContribution" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_March262026Member_019ff160-7301-7f88-9151-4e45ea5ede23_terseLabel_en-US" xlink:label="lab_azul_March262026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">March 26, 2026</link:label>
    <link:label id="lab_azul_March262026Member_label_en-US" xlink:label="lab_azul_March262026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">March 26, 2026 [Member]</link:label>
    <link:label id="lab_azul_March262026Member_documentation_en-US" xlink:label="lab_azul_March262026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">March 26, 2026</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_March262026Member" xlink:href="azul-20260828.xsd#azul_March262026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_March262026Member" xlink:to="lab_azul_March262026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_CurrencyAxis_019fc94a-c9d9-711e-aa60-87d4b0424213_terseLabel_en-US" xlink:label="lab_srt_CurrencyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency [Axis]</link:label>
    <link:label id="lab_srt_CurrencyAxis_label_en-US" xlink:label="lab_srt_CurrencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CurrencyAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CurrencyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CurrencyAxis" xlink:to="lab_srt_CurrencyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_019fc94a-33e3-725e-99eb-8a5ee1e8eb27_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted income (loss) per common share &#8211; R$ (in brazilian real per share)</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_019fc94a-c9dc-7ae1-a6da-26fabd1b1297_verboseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Diluted income (loss) per common and preferred share (in brazilian real per share)</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_label_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diluted earnings (loss) per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsLossPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutedEarningsLossPerShare" xlink:to="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityDomain_019fc94a-c9d9-7faa-a429-ae82ecea2148_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity</link:label>
    <link:label id="lab_ifrs-full_MaturityDomain_label_en-US" xlink:label="lab_ifrs-full_MaturityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityDomain" xlink:to="lab_ifrs-full_MaturityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_WithholdingIncomeTaxMember_019fc94a-c9db-73d1-bd90-ef525cc71ee7_terseLabel_en-US" xlink:label="lab_azul_WithholdingIncomeTaxMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taxes withheld</link:label>
    <link:label id="lab_azul_WithholdingIncomeTaxMember_label_en-US" xlink:label="lab_azul_WithholdingIncomeTaxMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Withholding income tax [Member]</link:label>
    <link:label id="lab_azul_WithholdingIncomeTaxMember_documentation_en-US" xlink:label="lab_azul_WithholdingIncomeTaxMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Withholding income tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_WithholdingIncomeTaxMember" xlink:href="azul-20260828.xsd#azul_WithholdingIncomeTaxMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_WithholdingIncomeTaxMember" xlink:to="lab_azul_WithholdingIncomeTaxMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_019fc94a-c9dc-7344-9279-0f40fabe6332_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilities_019fc94a-c9da-7f5b-8dbf-6fd2881b23cc_verboseLabel_en-US" xlink:label="lab_azul_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted average rate p.a.</link:label>
    <link:label id="lab_azul_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilities_label_en-US" xlink:label="lab_azul_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average lessee's incremental borrowing rate applied to lease liabilities</link:label>
    <link:label id="lab_azul_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilities_documentation_en-US" xlink:label="lab_azul_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted average lessee's incremental borrowing rate applied to lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilities" xlink:href="azul-20260828.xsd#azul_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilities" xlink:to="lab_azul_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_AllowanceForExpectedCreditLosses_019fc94a-c9d9-735e-b8e0-0b55c0be4071_negatedTerseLabel_en-US" xlink:label="lab_azul_AllowanceForExpectedCreditLosses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Provision for loss</link:label>
    <link:label id="lab_azul_AllowanceForExpectedCreditLosses_019fc94a-c9d9-7898-b480-3d889210563a_negatedPeriodStartLabel_en-US" xlink:label="lab_azul_AllowanceForExpectedCreditLosses" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xml:lang="en-US">Balances at the beginning of the year</link:label>
    <link:label id="lab_azul_AllowanceForExpectedCreditLosses_019fc94a-c9d9-7161-9aaa-e96fa8e39bc6_negatedPeriodEndLabel_en-US" xlink:label="lab_azul_AllowanceForExpectedCreditLosses" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xml:lang="en-US">Balances at the end of the year</link:label>
    <link:label id="lab_azul_AllowanceForExpectedCreditLosses_label_en-US" xlink:label="lab_azul_AllowanceForExpectedCreditLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance for expected credit losses</link:label>
    <link:label id="lab_azul_AllowanceForExpectedCreditLosses_documentation_en-US" xlink:label="lab_azul_AllowanceForExpectedCreditLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of an allowance account used to record impairments to financial assets due to credit losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_AllowanceForExpectedCreditLosses" xlink:href="azul-20260828.xsd#azul_AllowanceForExpectedCreditLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_AllowanceForExpectedCreditLosses" xlink:to="lab_azul_AllowanceForExpectedCreditLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_NumberOfSharesIssuedForDIP_019fef2d-b3ef-7394-b059-9b3d3709f6f3_terseLabel_en-US" xlink:label="lab_azul_NumberOfSharesIssuedForDIP" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion into shares &#8211; DIP (in shares)</link:label>
    <link:label id="lab_azul_NumberOfSharesIssuedForDIP_label_en-US" xlink:label="lab_azul_NumberOfSharesIssuedForDIP" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Shares Issued For DIP</link:label>
    <link:label id="lab_azul_NumberOfSharesIssuedForDIP_documentation_en-US" xlink:label="lab_azul_NumberOfSharesIssuedForDIP" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Shares Issued For DIP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_NumberOfSharesIssuedForDIP" xlink:href="azul-20260828.xsd#azul_NumberOfSharesIssuedForDIP"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_NumberOfSharesIssuedForDIP" xlink:to="lab_azul_NumberOfSharesIssuedForDIP" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable_019fc94a-c9da-70ad-a176-21985ed0f498_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_FairValueOfOtherInvestmentsMember_019fc94a-c9da-7002-b3bf-9d67c4b5311d_terseLabel_en-US" xlink:label="lab_azul_FairValueOfOtherInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_azul_FairValueOfOtherInvestmentsMember_label_en-US" xlink:label="lab_azul_FairValueOfOtherInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair value of other investments [Member]</link:label>
    <link:label id="lab_azul_FairValueOfOtherInvestmentsMember_documentation_en-US" xlink:label="lab_azul_FairValueOfOtherInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value of other investments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_FairValueOfOtherInvestmentsMember" xlink:href="azul-20260828.xsd#azul_FairValueOfOtherInvestmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_FairValueOfOtherInvestmentsMember" xlink:to="lab_azul_FairValueOfOtherInvestmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AtFairValueMember_019fc94a-c9dc-76b4-8107-3dc4e3d3c929_terseLabel_en-US" xlink:label="lab_ifrs-full_AtFairValueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value</link:label>
    <link:label id="lab_ifrs-full_AtFairValueMember_label_en-US" xlink:label="lab_ifrs-full_AtFairValueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">At fair value [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AtFairValueMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AtFairValueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AtFairValueMember" xlink:to="lab_ifrs-full_AtFairValueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareExplanatory_019fc94a-c9db-770f-9f92-507494447d79_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Income or Loss Per Common and Preferred Share</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per share [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareExplanatory" xlink:to="lab_ifrs-full_EarningsPerShareExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_CostOfNonCurrentProceedsBorrowing_019ff12d-c393-7355-a7c9-7a670c44df70_terseLabel_en-US" xlink:label="lab_azul_CostOfNonCurrentProceedsBorrowing" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost of non-current proceeds borrowing</link:label>
    <link:label id="lab_azul_CostOfNonCurrentProceedsBorrowing_label_en-US" xlink:label="lab_azul_CostOfNonCurrentProceedsBorrowing" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Non-Current Proceeds Borrowing</link:label>
    <link:label id="lab_azul_CostOfNonCurrentProceedsBorrowing_documentation_en-US" xlink:label="lab_azul_CostOfNonCurrentProceedsBorrowing" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cost Of Non-Current Proceeds Borrowing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_CostOfNonCurrentProceedsBorrowing" xlink:href="azul-20260828.xsd#azul_CostOfNonCurrentProceedsBorrowing"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_CostOfNonCurrentProceedsBorrowing" xlink:to="lab_azul_CostOfNonCurrentProceedsBorrowing" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_ClassesOfTaxesPayableDomain_019fc94a-c9db-71cb-8aa9-d607a3d74016_terseLabel_en-US" xlink:label="lab_azul_ClassesOfTaxesPayableDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of taxes payable [Domain]</link:label>
    <link:label id="lab_azul_ClassesOfTaxesPayableDomain_label_en-US" xlink:label="lab_azul_ClassesOfTaxesPayableDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of taxes payable [Domain]</link:label>
    <link:label id="lab_azul_ClassesOfTaxesPayableDomain_documentation_en-US" xlink:label="lab_azul_ClassesOfTaxesPayableDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Classes of taxes payable [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_ClassesOfTaxesPayableDomain" xlink:href="azul-20260828.xsd#azul_ClassesOfTaxesPayableDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_ClassesOfTaxesPayableDomain" xlink:to="lab_azul_ClassesOfTaxesPayableDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_azul_OtherRestructuringCosts1_019fc94a-c9dc-77b7-9c64-968105ceffe7_negatedLabel_en-US" xlink:label="lab_azul_OtherRestructuringCosts1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other restructuring costs</link:label>
    <link:label id="lab_azul_OtherRestructuringCosts1_label_en-US" xlink:label="lab_azul_OtherRestructuringCosts1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Restructuring Costs1</link:label>
    <link:label id="lab_azul_OtherRestructuringCosts1_documentation_en-US" xlink:label="lab_azul_OtherRestructuringCosts1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Restructuring Costs1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_azul_OtherRestructuringCosts1" xlink:href="azul-20260828.xsd#azul_OtherRestructuringCosts1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_azul_OtherRestructuringCosts1" xlink:to="lab_azul_OtherRestructuringCosts1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_019fc94a-c9da-7fa3-9e6a-b8f47c49a24a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property and equipment [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [table]</link:label>
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