As per the Turkish Airlines flight change policy, if flight tickets are not brought at the official airport ticket counter, Turkish website, official mobile application, or through other Turkish channels, the travelers will be required to pay the full amount as a change fee, and you will have to reissue the ticket at the mentioned centers. Turkish Airlines flight change policy states that no change fee is applied to travelers who make changes within the risk-free duration. A zero exchange rate regime is in effect for holders of refundable tickets. According to Turkish Airlines' flight change policy, Travelers can make changes to their tickets up to 24 hours before flight departure. If changes are made on the day of departure, the airline will charge the full value of the ticket as an airline change charge.