Southwest airlines cancellation policy and enjoy flexible travel options with ease. Southwest offers no cancellation fees, and you can cancel up to 10 minutes before departure. Receive travel credits or a full refund depending on your fare type. Whether plans change suddenly or weeks in advance, Southwest makes it hassle-free. For expert assistance with cancellations, refunds, or rebooking, contact Southwest Airlines customer service at +1-866-679-5070—available 24/7 to help with all your travel needs.