Asiana Airlines
Tu, We, Th, Fr, and Sa
starting at $658
Korean Air
We, Fr, and Sa
starting at $660
Turkish Airlines
Tu, We, Th, Fr, and Sa
starting at $1,024
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 Istanbul to Seoul. 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 Istanbul to Seoul, despite the fact that sometimes flights with transfers can cost significantly less.
The airlines on the Istanbul — Seoul route each fly on specific days: Asiana Airlines and Turkish Airlines fly every day except Sunday and Monday. Korean Air only flies on Wednesday, Friday, and Saturday.
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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.
Asiana Airlines
Tu, We, Th, Fr, and Sa
starting at $658
Korean Air
We, Fr, and Sa
starting at $660
Turkish Airlines
Tu, We, Th, Fr, and Sa
starting at $1,024
Istanbul — Seoul
06/02/2026
Departure
Direct flight
OZ552
starting at $779
Istanbul — Seoul
06/03/2026
Departure
Direct flight
OZ552
starting at $719
Istanbul — Seoul
06/03/2026
Departure
Direct flight
TK6932
starting at $1,097
Istanbul — Seoul
06/05/2026
Departure
Direct flight
TK20
starting at $1,243
Istanbul — Seoul
06/05/2026
Departure
Direct flight
TK6932
starting at $1,093
Istanbul — Seoul
06/07/2026
Departure
Direct flight
KE956
starting at $789
Istanbul — Seoul
06/07/2026
Departure
Direct flight
TK6932
starting at $1,145
Istanbul — Seoul
06/10/2026
Departure
Direct flight
KE956
starting at $789
Istanbul — Seoul
06/11/2026
Departure
Direct flight
OZ552
starting at $781
Istanbul — Seoul
06/12/2026
Departure
Direct flight
TK20
starting at $1,112
starting at $712
starting at $1,004
starting at $668
starting at $304
starting at $339
starting at $356
starting at $365
starting at $367
starting at $429
starting at $434
starting at $438
starting at $455
The Istanbul — Seoul route is served by a wide range of airlines: 12 in total, including Asiana Airlines, Turkish Airlines, Korean Air, Turkmenistan Airlines, CanJet, Thai Airways, SCAT, MIAT Mongolian Airlines, Qanot Sharq, China Eastern Airlines, Sichuan Airlines, and Azerbaijan Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $304. 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 Istanbul to Seoul departs on 09/27/2026, is operated by Turkmenistan Airlines and costs $304
The cheapest roundtrip flight from Istanbul to Seoul departs on 08/23/2026, is operated by Turkmenistan Airlines and costs $543
Fastest flight from Istanbul to Seoul takes 12 hours
There are direct flights on this route 7 days a week: Su, Mo, Tu, We, Th, Fr, and Sa
The distance between Istanbul and Seoul is 7966km (4939 miles). The average flight duration is 12h 26m. There are 18 direct flights from Istanbul to Seoul. The time difference between Istanbul and Seoul is 6h. Flights from Istanbul begin at 4:50 PM. The latest flight from Istanbul departs at 1:50 AM
The cheapest flight ticket from Istanbul to Seoul according to data for the last 48 hours costs $304
Often the best time to buy tickets from Istanbul to Seoul is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Istanbul to Seoul can be found flying in these months: September, October, June.
The fastest flights from Istanbul to Seoul start from 12 hours in the air.
The following airlines operate direct flights on the route Istanbul — Seoul: Asiana Airlines, Turkish Airlines, Korean Air
The minimum one-way ticket price from Istanbul to Seoul is $305 (September 2026), while the maximum is $587 (April 2027). On average, a ticket costs $386–$405.
Flight prices from Istanbul to Seoul are steadily rising: from June 2026 to April 2027, ticket costs increased by 73%. The sooner you book, the better the deal.
The most significant price increase was from September 2026 to January 2027 — up 59%. The best time to fly is September 2026–October 2026, when the average price is $318. In March 2027–April 2027, tickets cost around $514.
Given the rising prices, it's best not to delay your purchase. Flying in September 2026–October 2026 can save you up to 38% compared to the most expensive months.
Price variation across months on this route is 19.9%. Your choice of departure month significantly affects the total flight cost.
