JetBlue's cancellation policy depends on the fare type: most non-Blue Basic fares can be canceled for free, with a JetBlue travel credit awarded. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) Blue Basic fares have a cancellation fee ($100–$200) unless you're within 24 hours of booking and purchased the flight seven days or more before departure. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) Refundable fares offer a full refund to the original payment method, not a travel credit.