How do I Cancel Southwest Flight? Are you stuck with some urgent work and can’t make it to your already booked flight? No problem! Southwest allows all its customers to cancel their flight bookings before their departure so that they don’t lose their money. The Southwest cancel flight process is not complex, so keep reading further to learn more about it. It is very important for a flyer to know the process of cancellation, consequences, and other important tips and tricks before they proceed to cancel their ticket. As you read further, you will learn everything about the flexible policy that Southwest offers. Southwest Cancel Flight Policy: Key Highlights The cancellation policy of every airline may differ; therefore, it is essential for the customers to know every detail of the cancellation policy. The points given below highlight the key points that every customer must know before they proceed with their cancellation process. Unlike some airlines, Southwest allows customers to cancel both refundable and non-refundable tickets.