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Cheap flights from Istanbul Airport to Seoul from £258

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 16/11. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEL
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Istanbul to Seoul are usually found in December or January, booked 87 days in advance, depart on a Tuesday or Wednesday 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 13 June 2025.

Round-trip from

£400

One-way from

£258

Popular in

August

Cheapest in

December

Average price

£434

Good round-trip deal

£659 or less
MIAT Mongolian
  • MIAT Mongolian
  • 23/10-3/11
  • 2 total stops
  • 57h 25m total
  • Istanbul to Seoul
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MIAT Mongolian
  • MIAT Mongolian
  • 16/11
  • 1 total stop
  • 13h 45m total
  • Istanbul to Seoul
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£13 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in June 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 13 June 2025.

Thu 23/1014:10IST - ICN
1 stop26h 15mMIAT Mongolian
Mon 3/1113:20ICN - IST
1 stop31h 10mMIAT Mongolian
Deal found 12/6£400
Mon 3/1115:55IST - ICN
1 stop15h 55mChina Southern
Tue 18/1116:15ICN - IST
1 stop20h 55mChina Southern
Deal found 12/6£433
Tue 24/611:00IST - ICN
2 stops20h 15mMultiple Airlines
Wed 2/701:35ICN - IST
1 stop17h 30mMultiple Airlines
Deal found 12/6£468
Thu 23/1016:00IST - GMP
1 stop14h 25mChina Southern
Fri 31/1013:45GMP - IST
1 stop22h 55mChina Southern
Deal found 12/6£516
Sun 17/807:30IST - ICN
1 stop32h 35mEtihad Airways
Fri 22/801:35ICN - IST
1 stop17h 30mEtihad Airways
Deal found 11/6£518
Sun 13/723:10IST - ICN
2 stops28h 30mAir Astana
Mon 28/706:35ICN - IST
2 stops44h 20mAir Astana
Deal found 11/6£548
Fri 27/611:00IST - ICN
2 stops20h 15mChina Eastern
Sat 5/714:15ICN - IST
2 stops22h 45mChina Eastern
Deal found 12/6£549
Tue 24/616:00IST - GMP
1 stop14h 25mMultiple Airlines
Mon 7/719:25GMP - IST
2 stops27h 45mMultiple Airlines
Deal found 12/6£561
Fri 11/714:45IST - GMP
1 stop16h 20mAir China
Sat 19/714:25GMP - IST
1 stop23h 15mAir China
Deal found 12/6£594
Mon 23/617:30IST - ICN
1 stop30h 55mLOT
Wed 9/708:15ICN - IST
1 stop21h 35mLOT
Deal found 12/6£597
Thu 26/621:40IST - ICN
1 stop29h 00mUzbekistan Airways
Sat 5/710:25ICN - IST
1 stop30h 35mUzbekistan Airways
Deal found 12/6£611
Mon 14/714:00IST - GMP
1 stop23h 50mChina Eastern
Mon 28/712:00GMP - IST
1 stop26h 00mChina Eastern
Deal found 11/6£682

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 13 June 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

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Thu 23/10

14:10-22:25

1 stop26h 15m

Incheon Intl

Mon 3/11

13:20-14:30

1 stop31h 10m

£400

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Tue 24/6

11:00-13:15

2 stops20h 15m

Incheon Intl

Thu 10/7

14:15-07:00

2 stops22h 45m

£421

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 3/11

15:55-13:50

1 stop15h 55m

Incheon Intl

Tue 18/11

16:15-07:10

1 stop20h 55m

£433

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Tue 24/6

11:00-13:15

2 stops20h 15m

Incheon Intl

Wed 2/7

01:35-13:05

1 stop17h 30m

£468

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Thu 23/10

16:00-12:25

1 stop14h 25m

Seoul Gimpo Intl

Fri 31/10

13:45-06:40

1 stop22h 55m

£516

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Wed 23/7

14:10-10:45

1 stop14h 35m

Incheon Intl

Wed 6/8

18:30-13:05

1 stop24h 35m

£526

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Fri 27/6

21:55-06:35

2 stops26h 40m

Incheon Intl

Fri 18/7

11:10-22:10

2 stops41h 00m

£550

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Tue 24/6

16:00-12:25

1 stop14h 25m

Seoul Gimpo Intl

Mon 7/7

19:25-17:10

2 stops27h 45m

£561

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Fri 11/7

14:45-13:05

1 stop16h 20m

Seoul Gimpo Intl

Sat 19/7

14:25-07:40

1 stop23h 15m

£594

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 23/6

17:30-06:25

1 stop30h 55m

Incheon Intl

Tue 8/7

11:20-13:05

1 stop31h 45m

£597

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 31 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 9 June 2025.

The best time to book flights from Istanbul Airport to Seoul is 77 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 £656). Flying from Istanbul Airport to Seoul in July is currently the most expensive (average of £1,140). 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 13 June 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 44% on flights from Istanbul Airport to Seoul by exploring options for tickets at midday.

What is the cheapest day to fly from Istanbul Airport to Seoul?

Use this chart to determine the cheapest time to fly return from Istanbul to Seoul. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Istanbul Airport to Seoul flight should consider departing on Friday at midday when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 13 June 2025.

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

Rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 27.0 - 253.0 inches per month. July is typically the wettest month, when rainfall can reach 253.0 mm. December is typically the driest time to visit Seoul when rainfall is around 27.0 mm.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 13 June 2025.
Read reviews from past customers who have flown Korean Air, ANA and Asiana Airlines from Istanbul to Seoul. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very Good
1,091 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
ANA
8.3
Very Good
882 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very Good
440 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Emirates
8.1
Very Good
3,265 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Garuda Indonesia
8.1
Very Good
76 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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.

  • What are the cheapest airlines flying from Istanbul Airport to Seoul round-trip?

    Our cheapest airline available from Istanbul Airport to Seoul is MIAT Mongolian. Our recent data shows that you can find tickets from as low as £400 on this airline. Additional options worth looking into are China Southern and Etihad Airways, starting at £433 and £518 round-trip. Users have found that MIAT Mongolian is 5% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Istanbul Airport to Seoul one-way?

    The cheapet airlines for a one-way flight from Istanbul Airport to Seoul are MIAT Mongolian (£258), SCAT Airlines (£319), and Qanot Sharq (£322).

  • 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 (57%) or Turkish Airlines (55%) 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 £688 for a flight from Istanbul Airport to Seoul. The cheapest flight overall is £621 while the most popular route, (Istanbul - Incheon Intl) is currently priced at £564.

  • 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. 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.

  • 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. Riyadh 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 £656). Flying from Istanbul Airport to Seoul in July is currently the most expensive (average of £1,140). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 7 airlines flying from Istanbul to Seoul

Discover the top 7 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£350Average£504FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China SouthernCheapest£365Average£413FlexibilityNo cancel feeOn-time69%
Search China Southern flights
MIAT MongolianCheapest£409Average£416FlexibilityNo cancel feeOn-time63%
Search MIAT Mongolian flights
Korean AirCheapest£487Average£689FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Uzbekistan AirwaysCheapest£536Average£645FlexibilityNo cancel feeOn-time81%
Search Uzbekistan Airways flights
Asiana AirlinesCheapest£545Average£609FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Turkish AirlinesCheapest£723Average£835FlexibilityNo 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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