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Cheap flights from Istanbul Airport to Seoul from £283

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEL
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Istanbul to Seoul are usually found in December or November, booked 9 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap 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 September 2025.

Round-trip from

£392

One-way from

£283

Popular in

August

Cheapest in

December

Average price

£458
MIAT Mongolian
  • MIAT Mongolian
  • 30/10-15/11
  • 2 total stops
  • 34h 20m total
  • Istanbul to Seoul
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22/9
  • 22/9
  • 2 total stops
  • 33h 50m total
  • Istanbul to Seoul
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£47 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Istanbul to Seoul

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 September 2025.

Thu 30/1016:20IST - ICN
1 stop13h 45mMIAT Mongolian
Wed 12/1123:55ICN - IST
1 stop20h 35mMIAT Mongolian
Deal found 14/9£392
Thu 6/1116:15IST - ICN
1 stop13h 10mMultiple Airlines
Mon 17/1114:20ICN - IST
2 stops22h 40mMultiple Airlines
Deal found 14/9£402
Sun 19/1014:10IST - ICN
1 stop26h 15mMIAT Mongolian
Sat 25/1014:20ICN - IST
1 stop30h 10mMIAT Mongolian
Deal found 14/9£444
Fri 28/1114:55IST - GMP
1 stop16h 10mAir China
Sat 6/1214:25GMP - IST
1 stop23h 55mAir China
Deal found 16/9£450
Fri 28/1114:55IST - ICN
1 stop25h 00mAir China
Sat 6/1217:50ICN - IST
1 stop20h 30mAir China
Deal found 16/9£450
Sun 28/914:10IST - ICN
1 stop28h 30mMIAT Mongolian
Mon 6/1000:05ICN - IST
1 stop18h 20mMIAT Mongolian
Deal found 14/9£466
Fri 24/1014:45IST - GMP
1 stop16h 20mAir China
Sat 1/1114:25GMP - IST
1 stop23h 55mAir China
Deal found 15/9£468
Thu 16/1014:10IST - ICN
1 stop26h 15mMIAT Mongolian
Wed 22/1000:05ICN - IST
1 stop18h 20mMIAT Mongolian
Deal found 15/9£470
Fri 24/1014:45IST - ICN
1 stop25h 00mAir China
Sat 1/1113:10ICN - IST
1 stop25h 10mAir China
Deal found 15/9£486
Thu 25/914:10IST - ICN
1 stop28h 30mMIAT Mongolian
Mon 6/1000:05ICN - IST
1 stop18h 20mMIAT Mongolian
Deal found 15/9£495
Thu 23/1022:15IST - GMP
2 stops34h 45mMultiple Airlines
Thu 6/1114:25GMP - IST
1 stop23h 55mMultiple Airlines
Deal found 15/9£570
Tue 21/1016:00IST - GMP
1 stop14h 25mChina Southern
Mon 27/1013:45GMP - IST
1 stop22h 55mChina Southern
Deal found 14/9£775

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 September 2025.
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

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Fri 28/11

14:55-13:05

1 stop16h 10m

Seoul Gimpo Intl

Sat 6/12

14:25-08:20

1 stop23h 55m

£450

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Fri 24/10

14:45-13:05

1 stop16h 20m

Seoul Gimpo Intl

Sat 1/11

14:25-08:20

1 stop23h 55m

£468

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Sun 2/11

16:20-12:05

1 stop13h 45m

Incheon Intl

Wed 12/11

23:55-14:30

1 stop20h 35m

£525

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Tue 10/3

11:20-09:55

2 stops16h 35m

Incheon Intl

Thu 19/3

09:05-21:25

1 stop18h 20m

£570

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Sat 1/11

22:25-09:55

2 stops53h 30m

Incheon Intl

Mon 17/11

11:40-21:20

1 stop15h 40m

£575

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Thu 16/10

21:55-09:40

1 stop29h 45m

Incheon Intl

Thu 23/10

11:10-20:55

1 stop15h 45m

£667

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 6/10

21:55-06:35

2 stops50h 40m

Incheon Intl

Fri 17/10

11:10-20:55

1 stop15h 45m

£714

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Sun 5/10

13:45-17:05

1 stop21h 20m

Incheon Intl

Wed 22/10

15:10-18:35

2 stops33h 25m

£748

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Wed 22/10

21:20-13:25

Nonstop10h 05m

Incheon Intl

Fri 31/10

13:55-20:05

Nonstop12h 10m

£757

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 6/10

13:45-17:05

1 stop21h 20m

Incheon Intl

Thu 16/10

00:10-18:35

2 stops24h 25m

£770

Flights are sorted by cheapest return flights first.

Deals found on 14/9

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 12 September 2025.

The best time to book flights from Istanbul Airport to Seoul is 9 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, November is the cheapest month in which you can book a flight from Istanbul Airport to Seoul (average of £635). Flying from Istanbul Airport to Seoul in July is currently the most expensive (average of £1,181). 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 September 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 40% on flights from Istanbul Airport to Seoul by exploring options for tickets at midday.

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 September 2025.

The most flights from IST to SEL are scheduled on a Friday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 £418.

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: 13h 45m.

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 4h 58m.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated 16 September 2025.
Check out reviews from past customers who have flown with Asiana Airlines and China Southern from Istanbul Airport to Seoul to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.2
Very Good
479 reviews
Check prices

Crew

8.6

Boarding

8.4

Entertainment

7.8

Food

8.1

Comfort

8.1

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
Asiana Airlines
8.2
Very Good
479 reviews
Asiana Airlines
8.2
Very Good
479 reviews
Check prices

Crew

8.6

Boarding

8.4

Entertainment

7.8

Food

8.1

Comfort

8.1

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
China Southern
7.5
Good
110 reviews
Asiana Airlines
8.2
Very Good
479 reviews
Check prices

Crew

8.6

Boarding

8.4

Entertainment

7.8

Food

8.1

Comfort

8.1

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.

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 £525, Air China can have you in Seoul from Istanbul Airport in 13h 45m. 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 cheapest airlines flying from Istanbul Airport to Seoul round-trip?

    Our cheapest airline available from Istanbul Airport to Seoul is China Southern. Our recent data shows that you can find tickets from as low as £359 on this airline. Additional options worth looking into are MIAT Mongolian and Asiana Airlines, starting at £410 and £587 round-trip. Users have found that China Southern is 21% cheaper than the other options available to this destination.

  • 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 (91%), Asiana Airlines (80%) or Turkish Airlines (68%) 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 Beijing most of the time. Beijing is followed by Riyadh in terms of the most popular stopover location on flights from Istanbul Airport to Seoul. Ulaanbaatar ranks third in terms of the most popular layover location on Istanbul Airport to Seoul flights.

  • What are some popular things to do or see while on a stopover in Beijing?

    Most Beijing visitors opt to spend their time experiencing Summer Palace, Forbidden City, and The Antiquarium of the Palace Museum. Summer Palace, Forbidden City, and The Antiquarium of the Palace Museum can be visited by traveling about 34.6 mi, 28.1 mi, and 28.2 mi respectively from 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 Abu Dhabi. Guangzhou sees the next fewest stopovers on Istanbul Airport to Seoul flights. Shanghai 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, November is the cheapest month in which you can book a flight from Istanbul Airport to Seoul (average of £635). Flying from Istanbul Airport to Seoul in July is currently the most expensive (average of £1,181). 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

Top 3 airlines flying from Istanbul to Seoul

Discover the top 3 airlines that operate flights from Istanbul to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£359Average£406FlexibilityNo cancel feeOn-time69%
Search China Southern flights
MIAT MongolianCheapest£410Average£418FlexibilityNo cancel feeOn-time63%
Search MIAT Mongolian flights
Asiana AirlinesCheapest£587Average£633FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines 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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