Turkish Airlines Flight 91 Deals & Information (2025/2026)

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Frequently asked questions

What route does flight number TK91 take?
TK91 operates between Incheon Intl. Airport (ICN) and Istanbul Airport (ISL-Ataturk Intl.) and flies direct. This journey takes 11 hours and 25 minutes.
What terminal does TK91 fly out of?
You’ll likely be climbing aboard the plane at Terminal 1 if you’re traveling on TK91 direct from ICN to Istanbul Airport.
What kind of plane is on flight number TK91?
The Boeing 777-300ER is the aircraft type that’s mostly used for flight number TK91. Typically, this flight departs from Incheon Intl. Airport (ICN) and lands at Istanbul Airport (ISL-Ataturk Intl.).
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your TK91 flight with Travelocity, please visit our Customer Service Portal.