To cancel a Southwest flight, simply visit the official website or call customer support at 1(833)-319-6864. Log in to your account, go to “Manage Reservations,” select your trip, and click “Cancel.” You’ll receive a refund or travel credit based on your ticket type. If you need help at any step, dial 1(833)-319-6864 for quick assistance. This number, 1(833)-319-6864, connects you directly with a representative who can guide you through the cancellation process. Southwest has a flexible policy, so most cancellations are hassle-free. Always confirm the refund conditions before finalizing your cancellation, especially if you used points or promotional fares.