v3.25.2
Cover Page
6 Months Ended
Jun. 30, 2025
Cover [Abstract]  
Document Type 6-K
Entity File Number 001-38904
Entity Registrant Name FLEX LNG Ltd.
Entity Address, Address Line One Par-La-Ville Place
Entity Address, Address Line Two 14 Par-La-Ville Road
Entity Address, City or Town Hamilton
Entity Address, Country BM
Entity Central Index Key 0001772253
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2025
Document Fiscal Period Focus Q2
Amendment Flag false
Document Period End Date Jun. 30, 2025