JetBlue's cancellation policy makes it extremely simple for passengers to Cancel jetblue flight if the need arises. Unless you're booking a Blue Basic fare, the process for cash or points reservations is very similar. Even if you're a Mosaic member, JetBlue's elite status, you'll find that the same regulations apply, even for the lowest fare class. Only if you cancel your reservation within 24 hours of booking (and only if you purchased your flight at least seven days before departure) or if you choose the "refundable" add-on option during checkout will you receive a full refund. You'll be charged a predetermined premium — on top of your pricing — that is directly linked to the latter. the price of the ticket You'll be advised of the charge to make your flight completely refundable once you've chosen your flight. This means that if you need to cancel your flight, you'll get your money back immediately to your payment method, rather than receiving a travel credit.