The passenger must pay the full amount to change the currency and return the ticket to the above-mentioned locations if the ticket was not purchased from the official Turkish Airlines ticket window, Turkish website, official mobile application, or through another official Turkish channel.
According to
Turkish Airlines Change Flight, there is no change cost for travellers who make adjustments during low-risk times. For individuals who have a refund ticket, the free exchange rate is applicable.
The Turkish Airlines flight change policy states that travellers may modify their tickets up to 24 hours before to departure. The airline will charge the full amount of the ticket as a flight change fee if a change is made on the day of departure.