According to the Turkish airlines 24 hour cancellation, tickets should be cancelled within 24 hours of purchase and no later than seven days prior to the scheduled departure date. Both nonrefundable and refundable ticket holders may cancel their reservations and receive a partial refund up to 24 hours before their scheduled departure. By taking advantage of a refund from Turkish Airlines , which waives cancellation fees for ticket cancellations made within 24 hours of the original purchase.