According to Turkish Airlines cancellation policy, you are free to reschedule your trip at no additional cost if the airline cancels it for unavoidable reasons such as a loss of control, a technical error, or other particular causes. You can get a refund if you buy your ticket straight from turkishairlines.com in the event that you need to cancel. Turkish Airlines cancellation policy is that you will only be refunded taxes if you need to cancel a non-refundable ticket. You can ask for a refund if the airline rescheduled your travel and the new reservation does not suit your needs.