Yes, JetBlue can have a cancellation fee depending on your fare type. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) You generally won't pay a fee for most fare types (Blue, Blue Plus, Blue Extra, Mint) but will have to pay the fare difference if you rebook. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) For the basic Blue Basic fare, you will be charged a $100 fee for flights within North America, Central America, or the Caribbean, and $200 for other routes.