Travelers will modify any flights regularly while not a fee. JetBlue customers with existing reservations book tickets notwithstanding their fare category. Visit the official website for change flight JetBlue. Only the fare distinction must be paid. Passengers will contact the client support service to request changes in their flight choices and conjointly use the offline path to vary the flight. If you cancel your JetBlue Airways flight within twenty-four hours from the regular departure of your flight, then a fee is going to be charged. All customers will have a unit of time from the time of their original booking to cancel their reservation whereas not being charged a cancellation fee, regardless of the fare chosen.