If you need to cancel your Southwest flight, you may do so without penalty within 24 hours of booking. This policy applies to all fares, allowing travelers to modify plans with ease. To initiate the cancellation, head to the Southwest website, locate your reservation under “Manage Reservations,” and follow the prompts. If you have any issues, customer service is available to assist you. Take advantage of this policy to ensure you make informed travel decisions without incurring extra fees.