Southwest Airlines allows passengers to receive a full refund for tickets booked through the airline.Any unused airfare can be converted into eCredit, which can be used for future flights. 1-855-526-0518 TOLL FREE OR  1-800-I-FLY-SWA (1-800-435-9792).  Passengers can make changes to their flights without paying the $200 cancellation fee. 1-855-526-0518 OTA