Turkish Airlines
Every day
starting at $641
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Seoul to Istanbul. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Seoul to Istanbul, despite the fact that sometimes flights with transfers can cost significantly less.
The only airline operating direct flights from Seoul to Istanbul is Turkish Airlines. Flights operate every day.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Turkish Airlines
Every day
starting at $641
Seoul — Istanbul
06/02/2026
Departure
Direct flight
TK91
starting at $1,301
Seoul — Istanbul
06/05/2026
Departure
Direct flight
TK21
starting at $756
Seoul — Istanbul
10/17/2026
Departure
Direct flight
KE955
starting at $820
Seoul — Istanbul
06/03/2026
Departure
Direct flight
TK6933
starting at $950
Seoul — Istanbul
06/06/2026
Departure
Direct flight
TK91
starting at $1,132
Seoul — Istanbul
06/07/2026
Departure
Direct flight
KE955
starting at $766
Seoul — Istanbul
06/08/2026
Departure
Direct flight
KE955
starting at $710
Seoul — Istanbul
06/09/2026
Departure
Direct flight
TK91
starting at $738
Seoul — Istanbul
06/10/2026
Departure
Direct flight
TK21
starting at $1,048
Seoul — Istanbul
06/11/2026
Departure
Direct flight
OZ551
starting at $773
starting at $614
starting at $674
starting at $674
starting at $266
starting at $297
starting at $302
starting at $317
starting at $322
starting at $331
starting at $341
starting at $362
starting at $392
The Seoul — Istanbul route is served by a wide range of airlines: 12 in total, including Turkish Airlines, Korean Air, Asiana Airlines, China Southern Airlines, China Eastern Airlines, Turkmenistan Airlines, Etihad Airways, Shanghai Airlines, Air China, SCAT, MIAT Mongolian Airlines, and Lufthansa. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $266. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.
The cheapest one-way flight from Seoul to Istanbul departs on 06/24/2026, is operated by China Southern Airlines and costs $266
The cheapest roundtrip flight from Seoul to Istanbul departs on 06/25/2026, is operated by China Eastern Airlines and costs $412
Fastest flight from Seoul to Istanbul takes 14h 10m
There are direct flights on this route 7 days a week: Su, Mo, Tu, We, Th, Fr, and Sa
The distance between Seoul and Istanbul is 7966km (4939 miles). The average flight duration is 21h 37m. There are 24 direct flights from Seoul to Istanbul. The time difference between Seoul and Istanbul is 6h. Flights from Seoul begin at 10:15 AM. The latest flight from Seoul departs at 11:20 PM
The cheapest flight ticket from Seoul to Istanbul according to data for the last 48 hours costs $266
Often the best time to buy tickets from Seoul to Istanbul is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Seoul to Istanbul can be found flying in these months: June, July, September.
The fastest flights from Seoul to Istanbul start from 14 hours 10 minutes in the air.
The following airlines operate direct flights on the route Seoul — Istanbul: Turkish Airlines, Korean Air, Asiana Airlines
The minimum one-way ticket price from Seoul to Istanbul is $266 (June 2026), while the maximum is $402 (January 2027). On average, a ticket costs $340–$688.
Tickets from Seoul to Istanbul are getting more expensive each month. From June 2026 to February 2027, the increase reached 47%, with prices now at $392. It's unlikely to get cheaper than the current level.
The most significant price increase was from November 2026 to February 2027 — up 18%. The best time to fly is June 2026–July 2026, when the average price is $283. In December 2026–January 2027, tickets cost around $400.
Given the rising prices, it's best not to delay your purchase. Flying in June 2026–July 2026 can save you up to 29% compared to the most expensive months.
Price variation across months on this route is 13.6%. Your choice of departure month significantly affects the total flight cost.
