To cancel a JetBlue airline flight you can get in touch with its customer service or maybe use the online legitimate website. The passenger is needed to tap on the “Manage Travel” choice where he is required to enter the booking info and remaining name and tap on the specified reservation to be canceled. Know full info on Jetblue Flight Change Policy covering flight change fees. Also, get an answer to the query- how to change Jetblue flight for free on the same day?