If customers will lose their entire prices, if they do not board in time for their flight cancel. JetBlue airlines flight cancellation policy , like that of other airlines, will charge cancellation costs based on passenger dream destinations after 24 hours of buying. When and why JetBlue airline tickets are cancelled affect the amount of a passenger cancellation/JetBlue changes fees. To avoid paying a JetBlue airlines flight change fees , changing flight on JetBlue as soon as conceivable after buying them. For further information, call customer services for JetBlue at +1-888-720-1433, which are available 24/7 hours?