1~877~552~0621 How Do I Change Jetblue Airlines Flight? A Comprehensive Guide: How Do I Change My Jetblue Airlines Flight (1.877.552.0621)? Introduction: Changing flight plans can be a daunting task, but with the right information and guidance, it can be a seamless process. If you're wondering how to change your Jetblue Airlines flight, you're in the right place. In this comprehensive guide, we'll walk you through the step-by-step process, including important details, considerations, and tips to make your flight change experience hassle-free. Whether it's a sudden change in your schedule or a desire for flexibility, Jetblue Airlines offers options to accommodate your needs.