How do I cancel my flight on Southwest? The procedure is quite easy if you need, How do I cancel my flight on Southwest? You can visit the Southwest website or call the Southwest Airlines customer service line at OTA: +1-888-915-2449 or +1-800-435-9792 for assistance. There, you can submit your grievances and obtain an immediate response to speak with a Southwest customer service representative. #howdoicancelflightonsouthwest #contactcustomercareatsouthwest Source Url: https://flyavionic.com/blog/how-do-i-cancel-my-flight-on-southwest/