If you cancel your ticket within 24 hours and at least 7 days after booking, you have the right to a full refund before departure. Within 7 days of the refund request, your full refund will be completed. If you cancel your ticket after 24 hours of booking, you will come to know about the cancellation charges of Sunwing Airlines, i.e. you will have to pay some charges.First Check Sunwing Airlines Cancellation Policy before you proceed to cancel flight ticket with Sunwing Airlines.