Thinking about the Cancellation Fees or Deductions while Cancelling Sun Country Flights? Get it done easily for Free! Now, the 24-hour scheme of the Sun Country Airlines Cancellation Policy lets you cancel your bookings without any charges and deductions if only you manage to do so within the first 24 hours of the actual reservation. For more details and quick details please get in touch with the 24/7 Sun Country Help Desk.