You can fill out a form on the JetBlue airline's official website to ask for a refund for your missed trip, or you can call the JetBlue airline and have someone fill out the form on your behalf.
Follow these steps to fill out a form:
1. Click "Manage Booking" on the website's home page.
2. Type in the details of your ticket and choose "Request Refund."
3. A form will appear. Click "Submit" after completing the prompts on the screen.
4. You have completed the JetBlue Refund form.
Also check : Southwest Airlines Refund