JetBlue offers couple method for dropping your flight and if you are wondering How to Cancel a flight JetBlue? Then you are at the right place. Visit our site Skyairbus, Just go through the blog and follow the introduction. Here you will get an answer related to cancel JetBlue flight also for more info you can call JetBlue customer service at +1-800-538-2583 or OTA: +1 855 972 8379.