Turkish Airlines' cancellation policy varies based on ticket type and route. Refundable tickets can usually be canceled for a full or partial refund, while non-refundable tickets often have stricter rules, with possible refunds only for taxes and fees. Cancellations made within 24 hours of booking are typically eligible for a full refund.

Turkish Airlines Cancellation Policy & Refund Status

According to Turkish Airlines Cancellation Policy, you can cancel your tickets 12 hours before a domestic flight.