Turkish Airlines offers you the best service and the best experience on board. Our Cancellation Policy and procedures are designed to ensure that your travel experience with us is smooth and memorable. Turkish Airlines Cancellation Policy  works hard to provide the best possible service, including the cancellation of flights. Turkish Airlines offers you the best service and the best experience on board. However, in case of cancellation by you or a change in your travel plans, you have to inform yourself at least ten days before departure as this is necessary for us to be able to provide you with a refund.