• Visit the website and sign into your account there. 

• After logging into your account, you must visit the page where you can terminate your account. 

• Select the flight you want to cancel from the flight summary, and then click the "cancel flight" button.

• Once your flight is canceled, you'll soon get a confirmation email or text at the phone number you registered.

All of that. You can cancel your flight using a Southwest Airlines flight reservation in the same way. In light of this, how far in advance of a Southwest flight can I cancel? You can read the guide mentioned above and the Southwest cancellation policy, respectively. You can get all your questions about your flight cancellations answered by contacting customer service for additional help. Requests for cancellation of reservations can also be sent via email to Southwest Airlines' customer service department.

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