Document and Entity Information Document Information [Table] Classes of share capital [axis] Classes of share capital [domain] ADR [Member] American Depository Securities Ordinary shares [member] Ordinary shares Entity Addresses, Address Type [Axis] Address Type [Domain] Business Contact [Member] Business contact Document Information [Line Items] Document Type Document Registration Statement Document Annual Report Document Period End Date Document Transition Report Document Shell Company Report Securities Act File Number Entity Registrant Name Contact Personnel Name City Area Code Local Phone Number Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, City or Town Entity Address, Postal Zip Code Entity Address, Country Title of 12(b) Security Trading Symbol Security Exchange Name Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Emerging Growth Company ICFR Auditor Attestation Flag Document Financial Statement Error Correction [Flag] Document Accounting Standard Entity Shell Company Entity Central Index Key Current Fiscal Year End Date Document Fiscal Period Focus Document Fiscal Year Focus Amendment Flag Auditor Name Auditor Firm ID Auditor Location Consolidated Balance Sheet Non-current assets [abstract] Non-current assets Property, plant and equipment Balance at end of period Balance at beginning of period Property, plant and equipment Property, plant and equipment long-lived assets Right-of-use assets Ending balance Beginning balance Right of use assets Intangible assets other than goodwill Balance at end of year Balance at beginning of year Intangible assets Non-current derivative financial assets Derivative financial instruments Other non-current assets Other assets Deferred tax assets Deferred tax assets Deferred tax Non-current assets Total non-current assets Current assets [abstract] Current assets Current inventories Inventories Other current assets Other assets Current trade receivables Trade receivables Current derivative financial assets Derivative financial instruments Current derivative assets Restricted cash and cash equivalents Restricted cash Short-term deposits, not classified as cash equivalents Financial assets: cash > 3 months Cash and cash equivalents Cash and cash equivalents at end of year Cash and cash equivalents at beginning of year Cash and cash equivalents Current assets Total current assets Assets Total assets Reportable segment assets Current liabilities [abstract] Current liabilities Current provisions Provisions Current trade payables Trade payables Trade payables - Current Current accrued expenses and other current liabilities Accrued expenses and other liabilities Total accrued expenses and other liabilities Current lease liabilities Current lease liability Current portion of non-current borrowings Current maturities of debt Current tax liabilities, current Current tax Current derivative financial liabilities Derivative financial instruments Current liabilities Total current liabilities Non-current liabilities [abstract] Non-current liabilities Non-current provisions Provisions Non-current derivative financial liabilities Derivative financial instruments Deferred tax liabilities Deferred tax Non-current lease liabilities Non-current lease liability Non-current portion of non-current borrowings Non-current maturities of debt Non-current liabilities Total non-current liabilities Equity [abstract] Shareholders' equity Issued capital Issued capital Issued share capital Share premium Balance at end of year Balance at beginning of year Share premium account Other equity interest Other undenominated capital Retained earnings Retained earnings Other reserves Equity Ending Balance Beginning Balance Shareholders' equity Equity and liabilities Total liabilities and shareholders' equity Consolidated Income Statement Revenue [abstract] Operating revenues Revenue from rendering of passenger transport services Scheduled revenues Other revenue Ancillary revenues Revenue Total operating revenues - continuing operations Total operating revenues Segment revenues Expenses by nature [abstract] Operating expenses Fuel expense Fuel and oil Employee benefits expense Staff costs Total payroll costs The amount of airport and handling charges. Airport and Handling Charges Airport and handling charges Depreciation expense Depreciation The amount of route charges. Route charges Route charges Sales and marketing expense Marketing, distribution and other Repairs and maintenance expense Maintenance, materials and repairs Operating expense Total operating expenses Profit (loss) from operating activities Operating profit Finance costs Finance expense Finance expense Finance expense Finance and other income. Finance and other income Foreign exchange gain (loss) Foreign exchange (loss)/gain Other income (expense). Other income (expense) Total other income Profit (loss) before tax Profit before tax Tax expense (income) Tax expense Tax expense Profit (loss) Profit for the year Profit for the year - all attributable to equity holders of parent Profit after tax Basic earnings (loss) per share Basic earnings/(loss) per ordinary share (in euro per share) Basic earnings per ordinary share Diluted earnings (loss) per share Diluted earnings/(loss) per ordinary share (in euro per share) Diluted earnings per ordinary share Weighted average number of ordinary shares used in calculating basic earnings per share Number of weighted average ordinary shares (in Ms) Basic Weighted average number of ordinary shares used in calculating diluted earnings per share Number of weighted average diluted shares (in Ms) Diluted Consolidated Statement of Comprehensive Income Other comprehensive income [abstract] Other comprehensive income/(loss): Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] Items that will not be reclassified subsequently to profit or loss: Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans Net actuarial gains from retirement benefit plan Net actuarial gain Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] Items that are or may be reclassified subsequently to profit or loss: Cash flow hedges [abstract] Movements in hedging reserve, net of tax: Gains (losses) on cash flow hedges, net of tax Effective portion of changes in fair value of cash-flow hedges Other comprehensive income, net change in fair value of cash-flow hedges transferred to property, plant and equipment Other comprehensive income, net change in fair value of cash-flow hedges transferred to property, plant and equipment Net change in fair value of cash-flow hedges transferred to property, plant and equipment Reclassification adjustments on cash flow hedges, net of tax Net other changes in fair value of cash-flow hedges transferred to profit or loss Other comprehensive income, net of tax, cash flow hedges Net movements in cash-flow reserve Net movements in cash-flow hedge reserve Other comprehensive income Total other comprehensive income/(loss) for the year, net of income tax Comprehensive income Total comprehensive income for the year - all attributable to equity holders of parent Consolidated Statement of Changes in Shareholders' Equity Statement of changes in equity [table] Components of equity [axis] Components of equity [domain] Issued capital [member] Issued Share Capital Share premium [member] Share Premium Account Retained earnings [member] Retained Earnings Other equity interest [member] Other Undominated Capital Other reserves [member] Other reserves, total Reserve of cash flow hedges [member] Other Reserves - Hedging Cash flow hedge reserve Miscellaneous other reserves [member] Other reserves Statement of changes in equity [line items] Consolidated Statement of Changes in Shareholders' Equity Number of shares outstanding Ending Balance, Shares Beginning Balance, Shares Transactions with owners of the company recognized directly in equity Transactions with owners of the company recognized directly in equity [Abstract] Transactions with owners of the Company, recognized directly in equity Issue of equity Issue of ordinary equity shares The increase in number of shares through issue of equity. Increase in Number of Shares Through Issue of Equity Issue of ordinary equity shares (in shares) Purchase of treasury shares Repurchase of ordinary equity shares Repurchase of ordinary equity shares Share buybacks Cancellation of treasury shares Cancellation of repurchased shares Number of shares of common and preferred stock cancelled from treasury during the period. Treasury Shares Cancelled Cancellation of repurchased shares (Shares) Number of shares cancelled during the year Dividends recognised as distributions to owners Dividends paid Shareholder returns Increase (decrease) through share-based payment transactions, equity Share-based payments Increase (decrease) through exercise of options, equity Transfer of exercised and expired share based awards Consolidated Statement of Cash Flows Cash flows from (used in) operating activities [abstract] Operating activities Adjustments to reconcile profit (loss) [abstract] Adjustments to reconcile profit after tax to net cash from operating activities Adjustments for depreciation expense Depreciation Adjustments for decrease (increase) in inventories (Increase)/decrease in inventories Adjustments for income tax expense Tax expense Adjustments for share-based payments Share based payments Adjustments for decrease (increase) in trade accounts receivable Decrease/(increase) in trade receivables Adjustments for decrease (increase) in other current assets (Increase) in other assets Adjustments for increase (decrease) in trade accounts payable (Decrease)/increase in trade payables Adjustments for increase (decrease) in other liabilities Increase in accrued expenses and other liabilities Adjustments for provisions (Decrease) in provisions Finance income received, classified as operating activities Increase in finance income Adjustments for increase (decrease) in finance expense Adjustments for increase (decrease) in finance expense (Decrease)/increase in finance expense Adjustments for unrealised foreign exchange losses (gains) Foreign exchange Income taxes paid (refund), classified as operating activities Income tax (paid) Cash flows from (used in) operating activities Net cash from operating activities Cash flows from (used in) investing activities [abstract] Investing activities Purchase of property, plant and equipment, classified as investing activities Capital expenditure - purchase of property, plant and equipment Cash flows from (used in) decrease (increase) in short-term deposits and investments Decrease/(increase) in financial assets: cash > 3 months Cash flows from (used in) decrease (increase) in restricted cash and cash equivalents (Increase)/decrease in restricted cash Cash flows from (used in) investing activities Net cash (used in) investing activities Note to cash flow statement Financing activities Proceeds from issuing shares Proceeds from shares issued Payments to acquire or redeem entity's shares Share buyback Dividends paid, classified as financing activities Dividends paid Repayments of borrowings, classified as financing activities Repayments of borrowings Repayment of borrowings Payments of lease liabilities, classified as financing activities Lease liabilities paid Cash flows from (used in) financing activities Net cash (used in) financing activities Increase (decrease) in cash and cash equivalents before effect of exchange rate changes (Decrease)/increase in cash and cash equivalents Effect of exchange rate changes on cash and cash equivalents Net foreign exchange differences Supplemental cash flow from operating activities information Supplemental cash flow from operating activities information [Abstract] Included in the cash flows from operating activities for the year are the following amounts: Interest received, classified as operating activities Interest income received Interest paid, classified as operating activities Interest expense paid Disclosure of detailed information about financial instruments [table] Classes of other provisions [axis] Classes of other provisions [domain] Legal proceedings provision [member] Legal proceedings provision This member represents the Italian competition authority proceedings. Italian competition authority proceedings [member] Italian competition authority proceedings Disclosure of detailed information about financial instruments [line items] Exceptional expense, legal proceedings. Exceptional expense, legal proceedings Percentage of claims for which charge has been recognized. Percentage of claims for which charge has been recognized