How to change a flight on Spirit Airlines refers to the steps involved in modifying your flight booking with Spirit. To change a flight, you can visit Spirit’s website, log into your account, and go to the "Manage Travel" section. There, you can select your booking and choose the option to change your flight. You’ll need to pay any applicable change fees and possibly any fare difference. Alternatively, you can contact Spirit Airlines customer service for assistance with changes. Keep in mind, fees and availability vary based on the ticket type and when the change is made.