Turkish Airlines Cancellation Policy Understanding the cancellation policy of an airline is crucial for travelers, as it allows them to navigate changes to their travel plans with ease. Turkish Airlines strives to provide flexibility and clarity in its cancellation policy, ensuring that passengers can make informed decisions when adjustments are necessary. Does Turkish Airlines allow cancellation? Yes, Turkish Airlines allows passengers to cancel their flights, subject to the terms and conditions of the fare type purchased. The ability to cancel and any associated fees or penalties may vary depending on the fare rules and the timing of the cancellation.