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Cheap flights from Istanbul Airport to Seoul from £253

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEL
23 Apr — 30 Apr1
1 adult

Cheapflights Tip: The best prices from Istanbul to Seoul are usually found in December or May, booked 44 days in advance, depart on a Tuesday 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 18 April 2025.

Round-trip from

£455

One-way from

£253

Popular in

August

Cheapest in

December

Average price

£427

Good round-trip deal

£622 or less
MIAT Mongolian
  • MIAT Mongolian
  • 15/5-19/5
  • 2 total stops
  • 44h 35m total
  • Istanbul to Seoul
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7/5
  • 7/5
  • 3 total stops
  • 54h 20m total
  • Istanbul to Seoul
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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 April 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 18 April 2025.

Tue 4/1116:20IST - ICN
1 stop13h 45mMIAT Mongolian
Wed 19/1113:20ICN - IST
1 stop31h 10mMIAT Mongolian
Deal found 17/4£424
Sat 3/507:30IST - ICN
1 stop32h 35mEtihad Airways
Fri 16/501:35ICN - IST
1 stop17h 30mEtihad Airways
Deal found 17/4£461
Mon 14/716:00IST - ICN
1 stop15h 55mChina Southern
Sun 27/710:20ICN - IST
1 stop25h 55mChina Southern
Deal found 18/4£483
Mon 3/1118:30IST - ICN
1 stop31h 10mLOT
Tue 18/1112:35ICN - IST
1 stop35h 00mLOT
Deal found 17/4£603
Tue 12/817:05IST - ICN
2 stops31h 30mAir Astana
Wed 20/811:10ICN - IST
2 stops41h 00mAir Astana
Deal found 17/4£603
Mon 1/1217:55IST - ICN
1 stop17h 00mMultiple Airlines
Fri 5/1212:15ICN - IST
1 stop21h 55mMultiple Airlines
Deal found 18/4£606
Fri 7/1112:30IST - ICN
1 stop14h 10mUzbekistan Airways
Sat 15/1110:00ICN - IST
1 stop31h 00mUzbekistan Airways
Deal found 17/4£612
Thu 15/513:45IST - ICN
1 stop14h 45mQatar Airways
Thu 22/501:20ICN - IST
1 stop16h 35mQatar Airways
Deal found 17/4£628
Tue 4/1117:20IST - ICN
Nonstop10h 15mAsiana Airlines
Sat 15/1109:35ICN - IST
Nonstop12h 05mAsiana Airlines
Deal found 17/4£631
Wed 18/606:10IST - ICN
1 stop21h 45mLufthansa
Tue 24/611:40ICN - IST
2 stops39h 40mLufthansa
Deal found 17/4£658
Wed 7/521:20IST - ICN
Nonstop10h 05mKorean Air
Sat 24/513:40ICN - IST
Nonstop12h 00mKorean Air
Deal found 17/4£686
Sat 17/516:00IST - GMP
1 stop14h 25mChina Southern
Mon 26/513:30GMP - IST
1 stop22h 30mChina Southern
Deal found 17/4£918

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 18 April 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 15/5

14:10-22:25

1 stop26h 15m

Incheon Intl

Mon 19/5

00:05-12:25

1 stop18h 20m

£455

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Sat 3/5

07:30-22:05

1 stop32h 35m

Incheon Intl

Thu 22/5

17:45-06:10

1 stop18h 25m

£461

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 14/7

16:00-13:55

1 stop15h 55m

Incheon Intl

Sun 27/7

10:20-06:15

1 stop25h 55m

£483

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Tue 12/8

17:05-06:35

2 stops31h 30m

Incheon Intl

Wed 20/8

11:10-22:10

2 stops41h 00m

£603

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Wed 18/6

21:40-08:25

1 stop28h 45m

Incheon Intl

Mon 21/7

10:10-20:10

1 stop16h 00m

£612

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 15/9

16:30-15:25

1 stop16h 55m

Incheon Intl

Fri 26/9

06:55-15:40

1 stop14h 45m

£613

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Thu 15/5

13:45-10:30

1 stop14h 45m

Incheon Intl

Thu 22/5

01:20-11:55

1 stop16h 35m

£628

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Thu 19/6

17:30-09:20

Nonstop9h 50m

Incheon Intl

Thu 24/7

10:25-16:10

Nonstop11h 45m

£631

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Sat 17/5

04:20-06:30

1 stop20h 10m

Incheon Intl

Mon 26/5

22:25-03:25

2 stops35h 00m

£649

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Wed 18/6

06:10-09:55

1 stop21h 45m

Incheon Intl

Tue 24/6

11:40-21:20

2 stops39h 40m

£661

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 38 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 11 April 2025.

The best time to book flights from Istanbul Airport to Seoul is 44 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 £676). Flying from Istanbul Airport to Seoul in July is currently the most expensive (average of £1,194). 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 18 April 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 45% 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 18 April 2025.

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).

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 18 April 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
1,063 reviews
Check prices

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

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
1,063 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

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
845 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

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
438 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

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
71 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

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
8.0
Very Good
3,200 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

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 £455 on this airline. Additional options worth looking into are Etihad Airways and Air Astana, starting at £461 and £603 round-trip.

  • 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 China Southern (£263), MIAT Mongolian (£286), and Thai Airways (£304).

  • 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 (79%), Turkish Airlines (70%) or Asiana Airlines (70%) 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 £632 for a flight from Istanbul Airport to Seoul. The cheapest flight overall is £610 while the most popular route, (Istanbul - Seoul Gimpo Intl) is currently priced at £614.

  • 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 Bell and Drum Towers. Summer Palace, Forbidden City, and Bell and Drum Towers can be visited by traveling about 34.6 mi, 28.1 mi, and 29.8 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 £676). Flying from Istanbul Airport to Seoul in July is currently the most expensive (average of £1,194). 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 Gimpo Intl flights
Istanbul to Incheon Intl flights

Top 8 airlines flying from Istanbul to Seoul

Discover the top 8 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 18 April 2025.
AirlineCheapestAverageFlexibilityOn-time
SAUDIACheapest£361Average£364FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
China SouthernCheapest£378Average£427FlexibilityNo cancel feeOn-time69%
Search China Southern flights
MIAT MongolianCheapest£418Average£424FlexibilityNo cancel feeOn-time63%
Search MIAT Mongolian flights
Etihad AirwaysCheapest£494Average£520FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Uzbekistan AirwaysCheapest£550Average£637FlexibilityNo cancel feeOn-time81%
Search Uzbekistan Airways flights
Asiana AirlinesCheapest£559Average£629FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest£640Average£741FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Turkish AirlinesCheapest£743Average£857FlexibilityNo 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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