Booking If there are any changes to your travel plan, you can change your flight details in accordance with the Southwest Airlines flight change policy. These are the important points and terms of the flight change policy: The airline does not charge any fee for modifying the itinerary, if you change the flight date and the new flight costs more, you only have to pay the fare difference, in case the new flight costs less than the existing amount, you will get the refund or travel credit for future travel. The travel credit is reusable and valid until the expiration date. There is no limit to change flight details. You can do it countless times just by paying the fare difference, the flight change option is available up to 10 minutes before the scheduled departure, even if you have checked a flight, you can change it until there are 10 minutes left for departure. If there is a no-show situation and you did not change or cancel the reservation, there will be no refund. Southwest Airlines Manage Booking To change the flight with Southwest Airlines, you can proceed as follows, taking into account the terms of the Southwest Airlines flight change policy: On the Southwest Airlines home page, navigate to Manage Reservations. Please provide the confirmation number, first and last name, as mentioned in the itinerary. With this, your itinerary is accessible on the screen. Once you find the edit option, you can change it as per your requirement. If there is any difference in rate, you must pay it before submitting the changes. Finally, when you pay and submit the details, you will receive an updated itinerary in your email. You can use this itinerary for your next flight.