To change your Turkish Airlines flight, first visit the airline's website and log into your booking with your credentials. Then find the Manage Booking option, select your existing reservation, and choose Change Flight. On the next page select new dates/times and available flights for each leg. Finish by confirming and paying any fare difference or change fees to complete the flight change. If you need more details about Turkish Airlines Change Flight contact the helpline at 1 (800) 050-1565 or 1 (888) 838-0309 (OTA-Skip Waiting). Or visit the Airways Manage Booking site.