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Cheap flights from Istanbul Airport to Seoul from £229

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEL
23 Mar — 30 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Istanbul to Seoul are usually found in January or February, booked 46 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Istanbul to Seoul

Enter your travel dates to find the best prices.

Cheapest flights from Istanbul to Seoul
Explore the most affordable flight options available from Istanbul to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2026.

Thu 4/616:00
IST
-
ICN
1 stop15h 55m
China Southern
Thu 11/609:40
ICN
-
IST
1 stop18h 30m
China Southern
Deal found 18/2£381
Tue 12/514:10
IST
-
ICN
1 stop16h 40m
MIAT Mongolian
Mon 18/500:05
ICN
-
IST
1 stop18h 20m
MIAT Mongolian
Deal found 20/2£410
Sun 31/514:10
IST
-
ICN
1 stop28h 30m
MIAT Mongolian
Sat 6/614:20
ICN
-
IST
1 stop28h 05m
MIAT Mongolian
Deal found 20/2£411
Fri 5/616:00
IST
-
ICN
1 stop15h 55m
China Southern
Sat 13/609:40
ICN
-
IST
1 stop18h 30m
China Southern
Deal found 18/2£419
Sun 30/814:10
IST
-
ICN
1 stop16h 40m
MIAT Mongolian
Sat 12/900:05
ICN
-
IST
1 stop18h 20m
MIAT Mongolian
Deal found 21/2£423
Sun 29/1120:35
IST
-
ICN
1 stop16h 25m
Scandinavian Airlines
Tue 8/1223:45
ICN
-
IST
1 stop26h 00m
Scandinavian Airlines
Deal found 19/2£429
Sun 30/814:10
IST
-
ICN
1 stop16h 40m
MIAT Mongolian
Mon 14/900:05
ICN
-
IST
1 stop18h 20m
MIAT Mongolian
Deal found 21/2£439
Thu 23/414:10
IST
-
ICN
1 stop26h 15m
MIAT Mongolian
Mon 11/514:20
ICN
-
IST
1 stop28h 05m
MIAT Mongolian
Deal found 21/2£440
Tue 19/514:10
IST
-
ICN
1 stop16h 40m
MIAT Mongolian
Wed 27/500:05
ICN
-
IST
1 stop18h 20m
MIAT Mongolian
Deal found 20/2£441
Sun 13/914:10
IST
-
ICN
1 stop26h 15m
MIAT Mongolian
Wed 23/914:20
ICN
-
IST
1 stop28h 05m
MIAT Mongolian
Deal found 21/2£442
Sun 30/814:10
IST
-
ICN
1 stop16h 40m
MIAT Mongolian
Wed 9/900:05
ICN
-
IST
1 stop18h 20m
MIAT Mongolian
Deal found 21/2£444
Tue 22/914:10
IST
-
ICN
1 stop26h 15m
MIAT Mongolian
Wed 30/900:05
ICN
-
IST
1 stop18h 20m
MIAT Mongolian
Deal found 21/2£444

Find flight deals from Istanbul to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 February 2026.

Round-trip from

£381

One-way from

£229

Popular in

October

Cheapest in

January

Average price

£472
China Southern
  • China Southern
  • 4/6-11/6
  • 2 total stops
  • 34h 25m total
  • Istanbul to Seoul
Search Deals
SCAT Airlines
  • SCAT Airlines
  • 19/4
  • 1 total stop
  • 32h 55m total
  • Istanbul to Seoul
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Istanbul to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 February 2026.
Use the filters below to find and compare flights from Istanbul Airport to Seoul that are best for you.

Fly from

Istanbul

Fly to

Seoul

Route

Depart

Return

Price

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Tue 10/3

14:00-21:55

1 stop25h 55m

Incheon Intl

Thu 19/3

17:50-12:55

1 stop25h 05m

£445

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Fri 5/6

15:00-13:05

1 stop16h 05m

Seoul Gimpo Intl

Sat 13/6

14:25-08:00

1 stop23h 35m

£463

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Thu 4/6

15:00-13:05

1 stop16h 05m

Seoul Gimpo Intl

Thu 11/6

14:25-08:00

1 stop23h 35m

£467

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Sat 23/5

23:10-07:25

1 stop26h 15m

Incheon Intl

Mon 1/6

11:10-11:25

2 stops30h 15m

£587

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Fri 15/5

20:00-09:40

2 stops31h 40m

Incheon Intl

Thu 21/5

11:10-18:00

2 stops36h 50m

£591

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Fri 22/5

20:00-09:40

2 stops31h 40m

Incheon Intl

Mon 1/6

11:10-11:25

2 stops30h 15m

£591

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 18/5

21:55-07:25

2 stops51h 30m

Incheon Intl

Thu 28/5

08:50-18:00

2 stops39h 10m

£592

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Fri 5/6

23:10-07:25

1 stop26h 15m

Incheon Intl

Sat 13/6

11:10-22:10

2 stops41h 00m

£592

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Thu 23/7

21:55-09:40

1 stop29h 45m

Incheon Intl

Sun 9/8

08:50-22:10

1 stop19h 20m

£593

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 29/6

21:55-07:25

2 stops51h 30m

Incheon Intl

Sun 12/7

11:10-11:25

2 stops54h 15m

£594

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 36 results
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Best time to book a flight from Istanbul to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Istanbul with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Istanbul Airport to Seoul

How far ahead should I book a flight from Istanbul Airport to Seoul?

Use this chart to determine the optimal time to book a return flight from Istanbul to Seoul. Price data was last updated on 20 February 2026.

The best time to book flights from Istanbul Airport to Seoul is 46 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Istanbul Airport to Seoul?

Currently, October is the cheapest month in which you can book a flight from Istanbul Airport to Seoul (average of £171). Flying from Istanbul Airport to Seoul in June is currently the most expensive (average of £397). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IST to SEL?

Find hourly flight availability from Istanbul to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2026.

When flying from Istanbul Airport to Seoul, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Istanbul Airport to Seoul

Explore weekly flight availability from Istanbul to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 February 2026.

The most flights from IST to SEL are scheduled on a Tuesday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost for a return flight from Istanbul Airport to Seoul?

What’s the top stopover airport for flights from Istanbul Airport to Seoul?

Share of one-stop return flights from Istanbul Airport to Seoul chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Ulaanbaatar (UBN) – chosen by Cheapflights users on 50% of one-stop itineraries from Istanbul Airport to Seoul on Cheapflights.

What’s the cheapest stopover airport for flights from Istanbul Airport to Seoul?

Average return fare for one-stop flights from Istanbul Airport to Seoul, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Ulaanbaatar (UBN) is the most affordable one-stop option, with an average return flight price of £421.

What’s the fastest stopover option from Istanbul Airport to Seoul?

Shortest average travel time for one-stop one-way flights from Istanbul Airport to Seoul, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Ulaanbaatar (UBN) have the shortest average one-way travel time for one-stop routes: 16h 40m.

Which airport typically offers the quickest stopover for flights from Istanbul Airport to Seoul?

Average stopover duration for one-stop one-way flights from Istanbul Airport to Seoul, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Ulaanbaatar (UBN) offer the fastest connection on this route, with an average stopover time of 5h 10m.

Related info for your journey

Find useful and relevant information for your journey from Istanbul to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Istanbul Airport to Seoul?

    For as low as £463, MIAT Mongolian can have you in Seoul from Istanbul Airport in 16h 05m. There are 4931 mi between Istanbul Airport and Seoul. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from Istanbul Airport to Seoul?

    No one likes to see their flight delayed. When booking a flight from Istanbul Airport to Seoul consider choosing Korean Air (89%), Asiana Airlines (71%) or Turkish Airlines (43%) as they are the most reliable in getting you off to your destination on time.

  • Where are the most common stopover locations when flying from Istanbul Airport to Seoul?

    Istanbul Airport to Seoul flights have a stopover in Riyadh most of the time. Riyadh is followed by Ulaanbaatar in terms of the most popular stopover location on flights from Istanbul Airport to Seoul. Shanghai ranks third in terms of the most popular layover location on Istanbul Airport to Seoul flights.

  • What are points of interest worth seeing during a stopover in Shanghai?

    People's Square, Shanghai Disneyland, and Shanghai Dianchun Hall are currently the most popular points of interest in Shanghai. People's Square, Shanghai Disneyland, and Shanghai Dianchun Hall can be visited by travelling about 20.3 mi, 8.7 mi, and 19.4 mi respectively from Shanghai Pu Dong.

  • Where are the least popular stopover locations for Istanbul Airport to Seoul flights?

    Of the flights from Istanbul Airport to Seoul that have stopovers, the fewest flights stop in Abu Dhabi. Guangzhou sees the next fewest stopovers on Istanbul Airport to Seoul flights. Beijing comes next as the third least popular stopover location for Istanbul Airport to Seoul flights.

  • Can I find deals for flights from Istanbul to Seoul that include hotel bookings?

    Yes. In addition to deals on Istanbul to Seoul flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Istanbul to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Istanbul to Seoul.

  • Can I find deals for business class flights from Istanbul to Seoul?

    Yes. Cheapflights offers flight deals from Istanbul to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Istanbul Airport to Seoul?

    Currently, October is the cheapest month in which you can book a flight from Istanbul Airport to Seoul (average of £171). Flying from Istanbul Airport to Seoul in June is currently the most expensive (average of £397). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Istanbul to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Istanbul to Gimpo Intl flights
Istanbul to Incheon Intl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Istanbul to Seoul?

Deals for Istanbul to Seoul flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Istanbul to Seoul?

Cheapflights helps you find that perfect flight to Seoul from Istanbul by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Istanbul to Seoul with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Istanbul to Seoul, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Istanbul to Seoul become cheaper?

Yes, Cheapflights offers price alerts on Istanbul to Seoul flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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