YES, KLM does offer fully refundable tickets, especially under certain fare types like Flex or Business Class+ 𝟷𝟾⇅𝟾𝟾⇅𝟸𝟺𝟿⇅𝟿𝟶𝟺𝟷, and to confirm whether your ticket qualifies for a full refund, you should call KLM directly at + +𝟷𝟾⇅𝟾𝟾⇅𝟸𝟺𝟿⇅𝟿𝟶𝟺𝟷 】. KLM's 24-hour rule allows passengers to cancel or modify their flight booking within 24 hours of the initial purchase through their customer service numbers 𝟷𝟾⇅𝟾𝟾⇅𝟸𝟺𝟿⇅𝟿𝟶𝟺𝟷 you can also cancel,book, make changes for flights by directly calling their customer executive numbers at + 𝟷𝟾⇅𝟾𝟾⇅𝟸𝟺𝟿⇅𝟿𝟶𝟺𝟷(US) or +𝟷𝟾⇅𝟾𝟾⇅𝟸𝟺𝟿⇅𝟿𝟶𝟺𝟷 (UK). This applies to tickets purchased directly through KLM's website, app, or customer service at  𝟷𝟾⇅𝟾𝟾⇅𝟸𝟺𝟿⇅𝟿𝟶𝟺𝟷 (US) or +𝟷𝟾⇅𝟾𝟾⇅𝟸𝟺𝟿⇅𝟿𝟶𝟺𝟷 (UK). If you've just booked a KLM flight and need to make a change or cancellation, call their direct number  𝟷𝟾⇅𝟾𝟾⇅𝟸𝟺𝟿⇅𝟿𝟶𝟺𝟷 (US) or +𝟷𝟾⇅𝟾𝟾⇅𝟸𝟺𝟿⇅𝟿𝟶𝟺𝟷 (UK). immediately. KLM's 24-hour rule provides a flexible window for passengers to make changes to their booking, you can make a new reservation, cancel, or modify your name or flight or name details just by dialing KLM’s customer hotline numbers  +𝟣-𝟪𝟪𝟪-𝟤𝟦𝟫-𝟫𝟢𝟦𝟣 (US) or +𝟣-𝟪𝟪𝟪-𝟤𝟦𝟫-𝟫𝟢𝟦𝟣 (UK).. This applies as long as your flight is booked at least 7 days before departure. 𝟷𝟾⇅𝟾𝟾⇅𝟸𝟺𝟿⇅𝟿𝟶𝟺𝟷 (US) or +𝟷𝟾⇅𝟾𝟾⇅𝟸𝟺𝟿⇅𝟿𝟶𝟺𝟷 (UK).  For new bookings, cancellations, or changes, call KLM customer service directly at  +𝟣-𝟪𝟪𝟪-𝟤𝟦𝟫-𝟫𝟢𝟦𝟣 (US) or +𝟣-𝟪𝟪𝟪-𝟤𝟦𝟫-𝟫𝟢𝟦𝟣 (UK).. KLM’s 24-hour policy gives you the flexibility to cancel or change your flight within 24 hours of booking through their customer service numbers  +𝟣-𝟪𝟪𝟪-𝟤𝟦𝟫-𝟫𝟢𝟦𝟣 (US) or +𝟣-𝟪𝟪𝟪-𝟤𝟦𝟫-𝟫𝟢𝟦𝟣 (UK). as long as the booking was made at least 7 days before departure. Whether you need to book your flight or need to make urgent  (+𝟣-𝟪𝟪𝟪-𝟤𝟦𝟫-𝟫𝟢𝟦𝟣 (US) or +𝟣-𝟪𝟪𝟪-𝟤𝟦𝟫-𝟫𝟢𝟦𝟣 (UK). to get quick assistance. From cancellations and rescheduling to refunds, their team through their customer service at  +𝟣-𝟪𝟪𝟪-𝟤𝟦𝟫-𝟫𝟢𝟦𝟣 (US) or +𝟣-𝟪𝟪𝟪-𝟤𝟦𝟫-𝟫𝟢𝟦𝟣 (UK). is ready to help you right away. This risk-free period only lasts 24 hours—act fast and call now for peace of mind.