Southwest Airlines passengers can make modifications to their flights on the internet, by phone , or at the airport. You can Change Southwest Airlines flight bookings online by following these steps: Then, go to Southwest.com Then, go to Edit/Undo (above). To book your flight Enter the confirmation number (first and last names) The Edit Flight tab defaults to being selected. You can leave it as it is. Then, select Search from the drop-down menu. Once you have selected the flight you want to alter, click on Choose a the new flight. If you've scheduled a return trip the destinations for departure and return will be highlighted. After you have selected your airline, make adjustments according to your needs and then confirm.

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