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Cheap flights from Istanbul Airport to Seoul from £259

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 24/7. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEL
15 Aug — 22 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Istanbul to Seoul are usually found in June or January, booked 6 days in advance, depart on a Thursday or Friday and return on a Thursday

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 16 July 2026.

Wed 4/1114:55
IST
-
ICN
1 stop19h 40m
Air China
Wed 18/1111:10
ICN
-
IST
1 stop27h 10m
Air China
Deal found 13/7£436
Fri 21/815:00
IST
-
ICN
1 stop14h 35m
Air China
Tue 1/913:05
ICN
-
IST
1 stop24h 55m
Air China
Deal found 14/7£452
Fri 21/815:00
IST
-
ICN
1 stop17h 15m
Air China
Mon 31/815:30
ICN
-
IST
1 stop22h 30m
Air China
Deal found 14/7£459
Sat 7/1114:45
IST
-
ICN
1 stop25h 10m
Air China
Sat 14/1117:50
ICN
-
IST
1 stop20h 30m
Air China
Deal found 13/7£461
Thu 26/1116:20
IST
-
ICN
1 stop24h 20m
MIAT Mongolian
Sat 5/1223:55
ICN
-
IST
1 stop20h 35m
MIAT Mongolian
Deal found 12/7£466
Thu 5/1116:20
IST
-
ICN
1 stop24h 20m
MIAT Mongolian
Sat 21/1123:55
ICN
-
IST
1 stop20h 35m
MIAT Mongolian
Deal found 15/7£467
Tue 18/814:55
IST
-
ICN
1 stop14h 40m
Air China
Tue 1/913:05
ICN
-
IST
1 stop24h 55m
Air China
Deal found 14/7£479
Sat 22/814:55
IST
-
ICN
1 stop17h 20m
Air China
Tue 1/915:30
ICN
-
IST
1 stop22h 30m
Air China
Deal found 14/7£488
Sun 13/913:20
IST
-
ICN
1 stop27h 05m
MIAT Mongolian
Sat 7/1123:55
ICN
-
IST
1 stop20h 35m
MIAT Mongolian
Deal found 12/7£496
Sun 8/1116:20
IST
-
ICN
1 stop13h 45m
MIAT Mongolian
Sat 21/1123:55
ICN
-
IST
1 stop20h 35m
MIAT Mongolian
Deal found 15/7£496
Tue 1/1205:30
IST
-
ICN
1 stop31h 30m
Scandinavian Airlines
Sat 5/1223:45
ICN
-
IST
1 stop34h 55m
Scandinavian Airlines
Deal found 12/7£502
Tue 18/814:55
IST
-
ICN
1 stop14h 40m
Air China
Wed 2/913:05
ICN
-
IST
1 stop24h 55m
Air China
Deal found 14/7£505

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 16 July 2026.

Round-trip from

£436

One-way from

£259

Popular in

May

Cheapest in

June

Average price

£503

Good round-trip deal

£555 or less
Air China
  • Air China
  • 4/11-18/11
  • 2 total stops
  • 46h 50m total
  • Istanbul to Seoul
Search Deals
Air China
  • Air China
  • 24/7
  • 1 total stop
  • 19h 35m total
  • Istanbul to Seoul
Search Deals
High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Istanbul to Seoul (SEL).
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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 16 July 2026.
Use the filters below to find and compare flights from Istanbul Airport to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 10/8

15:40-13:30

1 stop15h 50m

Incheon Intl

Thu 20/8

14:50-06:30

1 stop21h 40m

£612

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Tue 18/8

17:30-09:20

Nonstop9h 50m

Incheon Intl

Thu 27/8

10:25-16:10

Nonstop11h 45m

£663

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 2/11

21:45-13:55

Nonstop10h 10m

Incheon Intl

Wed 18/11

13:55-20:05

Nonstop12h 10m

£673

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 23/11

21:45-13:55

Nonstop10h 10m

Incheon Intl

Fri 27/11

13:55-20:05

Nonstop12h 10m

£673

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 17/8

11:00-12:10

2 stops43h 10m

Incheon Intl

Sat 5/9

18:25-08:10

1 stop19h 45m

£682

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Thu 17/9

11:00-18:40

1 stop25h 40m

Incheon Intl

Tue 22/9

14:15-08:10

2 stops23h 55m

£689

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Sun 26/7

12:10-09:40

1 stop15h 30m

Incheon Intl

Mon 17/8

08:50-10:55

2 stops32h 05m

£742

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Mon 24/8

11:00-19:50

2 stops26h 50m

Seoul Gimpo Intl

Fri 28/8

16:00-07:00

2 stops21h 00m

£745

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Mon 24/8

11:00-19:50

2 stops26h 50m

Seoul Gimpo Intl

Wed 2/9

16:00-07:00

2 stops21h 00m

£758

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 27/7

11:00-14:50

2 stops45h 50m

Incheon Intl

Fri 31/7

13:10-07:00

2 stops23h 50m

£759

Flights are sorted by cheapest return flights first.

Deals found on 15/7

Showing 1-10 of 47 resultsSorted by cheapest first
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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

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

Currently, July is the cheapest month in which you can book a flight from Istanbul Airport to Seoul (average of £49). Flying from Istanbul Airport to Seoul in May is currently the most expensive (average of £1,364). 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 16 July 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 16 July 2026.

The most flights from IST to SEL are scheduled on a Thursday (6 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 33% 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 £422.

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 Abu Dhabi (AUH) have the shortest average one-way travel time for one-stop routes: 14h 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.

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

The best time to book flights from Istanbul Airport to Seoul is 78 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.

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 £663, Sichuan Airlines can have you in Seoul from Istanbul Airport in 9h 50m. There are 4921 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 (93%), Asiana Airlines (47%) or Turkish Airlines (35%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Istanbul Airport to Seoul?

    On average you can expect to pay £626 for a flight from Istanbul Airport to Seoul. The cheapest flight overall is £554 while the most popular route, (Istanbul - Incheon Intl) is currently priced at £606.

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

    Istanbul Airport to Seoul flights have a stopover in Ulaanbaatar most of the time. Ulaanbaatar is followed by Beijing in terms of the most popular stopover location on flights from Istanbul Airport to Seoul.

  • What are some popular points of interest to see during a stopover in Beijing?

    If you're on a stopover in Beijing and looking for things to do, consider visiting Forbidden City, The Antiquarium of the Palace Museum, or Zhengyangmen. Travellers on a stopover in Beijing can visit Forbidden City, The Antiquarium of the Palace Museum, and Zhengyangmen, by travelling 28.1 mi, 28.2 mi, and 27.0 mi, respectively after landing at Beijing Daxing Intl.

  • 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 Guangzhou.

  • 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, July is the cheapest month in which you can book a flight from Istanbul Airport to Seoul (average of £49). Flying from Istanbul Airport to Seoul in May is currently the most expensive (average of £1,364). 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 Incheon Intl flights
Istanbul to Gimpo 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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