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Cheap flights from Istanbul Airport to Seoul from £219

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEL
24 elo — 31 elo1
1 adult

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

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 19 elokuu 2025.

Round-trip from

£364

One-way from

£219

Popular in

August

Cheapest in

December

Average price

£566

Good round-trip deal

£754 or less
China Southern
  • China Southern
  • 2/10-13/10
  • 2 total stops
  • 36h 55m total
  • Istanbul to Seoul
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MIAT Mongolian
  • MIAT Mongolian
  • 9/9
  • 1 total stop
  • 26h 15m total
  • Istanbul to Seoul
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Istanbul to Seoul (SEL).
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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 19 elokuu 2025.

to 2/1016:00IST - GMP
1 stop14h 25mChina Southern
ma 13/1013:30GMP - IST
1 stop22h 30mChina Southern
Deal found 17/8£364
to 2/1014:10IST - ICN
1 stop16h 40mMIAT Mongolian
ma 13/1014:20ICN - IST
1 stop28h 05mMIAT Mongolian
Deal found 17/8£370
to 2/1016:00IST - ICN
1 stop24h 10mChina Southern
to 16/1015:15ICN - IST
1 stop21h 00mChina Southern
Deal found 17/8£374
ti 9/914:10IST - ICN
1 stop26h 15mMultiple Airlines
to 25/914:15ICN - IST
2 stops22h 45mMultiple Airlines
Deal found 17/8£375
su 14/914:10IST - ICN
1 stop16h 40mMultiple Airlines
ke 24/916:20ICN - IST
1 stop21h 40mMultiple Airlines
Deal found 17/8£380
su 14/914:10IST - ICN
1 stop16h 40mMIAT Mongolian
ke 24/901:50ICN - IST
1 stop16h 35mMIAT Mongolian
Deal found 17/8£398
ti 9/914:10IST - ICN
1 stop26h 15mMIAT Mongolian
ma 22/901:50ICN - IST
1 stop16h 35mMIAT Mongolian
Deal found 18/8£401
to 2/1016:20IST - ICN
1 stop12h 35mMultiple Airlines
to 16/1014:15ICN - IST
2 stops22h 45mMultiple Airlines
Deal found 17/8£406
to 11/916:00IST - GMP
1 stop14h 25mMultiple Airlines
pe 19/912:00GMP - IST
1 stop26h 00mMultiple Airlines
Deal found 17/8£415
to 11/916:00IST - GMP
1 stop14h 25mMultiple Airlines
to 18/912:00GMP - IST
1 stop26h 00mMultiple Airlines
Deal found 17/8£419
to 25/914:10IST - ICN
1 stop28h 30mMIAT Mongolian
ma 6/1000:05ICN - IST
1 stop18h 20mMIAT Mongolian
Deal found 19/8£427
su 5/1014:10IST - ICN
1 stop26h 15mMIAT Mongolian
ke 22/1014:20ICN - IST
1 stop28h 05mMIAT Mongolian
Deal found 18/8£428

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 19 elokuu 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

to 2/10

16:00-12:25

1 stop14h 25m

Seoul Gimpo Intl

ma 13/10

13:30-06:00

1 stop22h 30m

£364

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

ti 9/9

14:10-22:25

1 stop26h 15m

Incheon Intl

ma 22/9

01:50-12:25

1 stop16h 35m

£401

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

to 2/10

16:20-10:55

1 stop12h 35m

Incheon Intl

to 16/10

14:15-07:00

2 stops22h 45m

£406

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

to 11/9

16:00-12:25

1 stop14h 25m

Seoul Gimpo Intl

pe 19/9

12:00-08:00

1 stop26h 00m

£415

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

to 11/9

16:00-12:25

1 stop14h 25m

Seoul Gimpo Intl

to 18/9

12:00-08:00

1 stop26h 00m

£419

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

ti 9/9

14:10-22:25

1 stop26h 15m

Incheon Intl

ke 24/9

01:50-12:25

1 stop16h 35m

£427

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

su 7/9

14:10-00:40

1 stop28h 30m

Incheon Intl

la 13/9

14:20-12:25

1 stop28h 05m

£427

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

ti 9/9

14:10-22:25

1 stop26h 15m

Incheon Intl

la 20/9

01:50-12:25

1 stop16h 35m

£427

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

to 25/9

14:10-00:40

1 stop28h 30m

Incheon Intl

ma 6/10

00:05-12:25

1 stop18h 20m

£427

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

su 5/10

14:10-22:25

1 stop26h 15m

Incheon Intl

ke 22/10

14:20-12:25

1 stop28h 05m

£428

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 37 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 8 August 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 £643). Flying from Istanbul Airport to Seoul in July is currently the most expensive (average of £1,182). 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 19 elokuu 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 19 elokuu 2025.

The most flights from IST to SEL are scheduled on a Tuesday (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.

Beijing (PKX) is the most affordable one-stop option, with an average return flight price of £355.

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 Tashkent (TAS) offer the fastest connection on this route, with an average stopover time of 3h 30m.

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 19 elokuu 2025.
Check out reviews from past customers who have flown with Asiana Airlines, China Southern, andTurkish Airlines 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
476 reviews
Check prices

Entertainment

7.8

Food

8.1

Comfort

8.1

Crew

8.6

Boarding

8.4

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob
Asiana Airlines
8.2
Very Good
476 reviews
Asiana Airlines
8.2
Very Good
476 reviews
Check prices

Entertainment

7.8

Food

8.1

Comfort

8.1

Crew

8.6

Boarding

8.4

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob
China Southern
7.6
Good
106 reviews
Asiana Airlines
8.2
Very Good
476 reviews
Check prices

Entertainment

7.8

Food

8.1

Comfort

8.1

Crew

8.6

Boarding

8.4

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob
Turkish Airlines
7.3
Good
3,950 reviews
Asiana Airlines
8.2
Very Good
476 reviews
Check prices

Entertainment

7.8

Food

8.1

Comfort

8.1

Crew

8.6

Boarding

8.4

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob

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 £364, China Southern can have you in Seoul from Istanbul Airport in 14h 25m. 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 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 £360 on this airline. Additional options worth looking into are MIAT Mongolian and Asiana Airlines, starting at £411 and £550 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 (94%), Asiana Airlines (77%) or Turkish Airlines (58%) 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 £831 for a flight from Istanbul Airport to Seoul. The cheapest flight overall is £706 while the most popular route, (Istanbul - Incheon Intl) is currently priced at £554.

  • 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 Guangzhou in terms of the most popular stopover location on flights from Istanbul Airport to Seoul. Riyadh 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.

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

    If you're on a stopover in Guangzhou and looking for things to do, consider visiting Baima Clothing Wholesale Market, Yide Lu, or Guangzhou Zoo. Travellers on a stopover in Guangzhou can visit Baima Clothing Wholesale Market, Yide Lu, and Guangzhou Zoo, by travelling 17.3 mi, 19.5 mi, and 17.2 mi, respectively after landing at Guangzhou Baiyun.

  • 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. Shanghai sees the next fewest stopovers on Istanbul Airport to Seoul flights. Ulaanbaatar 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 £643). Flying from Istanbul Airport to Seoul in July is currently the most expensive (average of £1,182). 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

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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 4 airlines flying from Istanbul to Seoul

Discover the top 4 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 19 elokuu 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£360Average£405FlexibilityNo cancel feeOn-time69%
Search China Southern flights
MIAT MongolianCheapest£411Average£419FlexibilityNo cancel feeOn-time63%
Search MIAT Mongolian flights
Asiana AirlinesCheapest£550Average£635FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Turkish AirlinesCheapest£726Average£841FlexibilityNo cancel feeOn-time77%
Search Turkish 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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