Know when you can cancel the Southwest flight ticket: Plan change? Airlines understand. Southwest Airlines offers you an option of “Manage booking” to change or cancel the flight booking. Moreover, you can make some other changes as well through this option. So here you will find a basic method to cancel the flight booking and simple cancellation policy designed in the interest of the passengers. Learn the cancellation policy of southwest airlines: Southwest Airlines gives you an option of the full refund of money within 24 hours from the ticket purchase. After the 24 hour refund period has lapsed, the price of the non-refundable tickets will be applied to the future travel valid for one year from the date of purchase a ticket. For the case, if the passenger wants to make the cancellation under the 24 hours for a flight booking made within 7 days from the departure of the flight. Then as per the guidelines ...