Sun Country Airlines offers a flexible cancellation policy that allows you to cancel your flight within 24 hours of booking for a full refund, as long as the flight is at least 7 days away. After this window, cancellations are still possible but may come with a fee depending on how close it is to your departure. Non-refundable tickets provide a travel credit for future use instead of a cash refund, while refundable tickets allow for a full refund. If Sun Country Airlines Cancellation Policy your flight, you can choose between a refund or rebooking. You can cancel your flight online, through the mobile app, or by contacting customer service, and for added flexibility, you can purchase a change fee waiver when booking to modify or cancel your flight with fewer restrictions.