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Cheap flights from Istanbul Airport to Seoul from £288

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEL
2 Apr — 9 Apr1
1 adult

Cheapflights Tip: The best prices from Istanbul to Seoul are usually found in December or May, booked 45 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 28 March 2025.

Round-trip from

£439

One-way from

£288

Popular in

August

Cheapest in

December

Average price

£437

Good round-trip deal

£647 or less
MIAT Mongolian
  • MIAT Mongolian
  • 22/5-31/5
  • 2 total stops
  • 44h 45m total
  • Istanbul to Seoul
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24/5
  • 24/5
  • 2 total stops
  • 29h 00m total
  • Istanbul to Seoul
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£13 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in March 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 28 March 2025.

Thu 22/514:10IST - ICN
1 stop16h 40mMIAT Mongolian
Sat 31/514:20ICN - IST
1 stop28h 05mMIAT Mongolian
Deal found 27/3£439
Mon 3/1115:55IST - ICN
1 stop17h 20mChina Southern
Tue 18/1110:55ICN - IST
1 stop26h 15mChina Southern
Deal found 28/3£450
Thu 22/514:10IST - ICN
1 stop25h 55mEtihad Airways
Fri 30/501:35ICN - IST
1 stop34h 35mEtihad Airways
Deal found 28/3£510
Fri 4/415:40IST - ICN
1 stop15h 50mSichuan Airlines
Sat 19/414:50ICN - IST
1 stop21h 40mSichuan Airlines
Deal found 28/3£520
Tue 22/416:00IST - GMP
1 stop14h 25mChina Southern
Fri 2/513:30GMP - IST
1 stop23h 00mChina Southern
Deal found 28/3£528
Wed 2/415:40IST - ICN
1 stop15h 50mMultiple Airlines
Sun 6/401:35ICN - IST
1 stop34h 35mMultiple Airlines
Deal found 28/3£533
Fri 3/1012:30IST - ICN
1 stop14h 10mUzbekistan Airways
Mon 20/1010:10ICN - IST
1 stop16h 00mUzbekistan Airways
Deal found 28/3£602
Sun 28/920:05IST - ICN
1 stop15h 00mQatar Airways
Thu 23/1001:20ICN - IST
1 stop23h 15mQatar Airways
Deal found 28/3£612
Tue 10/614:00IST - ICN
1 stop24h 45mChina Eastern
Tue 17/615:50ICN - IST
2 stops22h 10mChina Eastern
Deal found 27/3£625
Tue 12/823:10IST - ICN
2 stops28h 30mAir Astana
Mon 25/806:35ICN - IST
1 stop21h 35mAir Astana
Deal found 28/3£633
Wed 1/1017:30IST - ICN
Nonstop9h 50mAsiana Airlines
Tue 21/1010:25ICN - IST
Nonstop11h 45mAsiana Airlines
Deal found 28/3£646
Mon 30/621:20IST - ICN
Nonstop10h 05mKorean Air
Fri 18/713:40ICN - IST
Nonstop12h 00mKorean Air
Deal found 28/3£686

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 28 March 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 22/5

14:10-12:50

1 stop16h 40m

Incheon Intl

Sat 31/5

14:20-12:25

1 stop28h 05m

£439

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 14/7

16:00-13:55

1 stop15h 55m

Incheon Intl

Sun 27/7

15:15-06:15

1 stop21h 00m

£493

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Thu 22/5

14:10-22:05

1 stop25h 55m

Incheon Intl

Fri 30/5

01:35-06:10

1 stop34h 35m

£510

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Tue 22/4

16:00-12:25

1 stop14h 25m

Seoul Gimpo Intl

Fri 2/5

13:30-06:30

1 stop23h 00m

£528

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Wed 4/6

12:30-08:40

1 stop14h 10m

Incheon Intl

Sun 15/6

08:15-20:10

1 stop17h 55m

£602

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Tue 10/6

14:00-20:45

1 stop24h 45m

Incheon Intl

Tue 17/6

15:50-08:00

2 stops22h 10m

£625

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Tue 12/8

23:10-09:40

2 stops28h 30m

Incheon Intl

Mon 25/8

06:35-22:10

1 stop21h 35m

£633

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Tue 10/6

17:30-09:20

Nonstop9h 50m

Incheon Intl

Tue 17/6

10:25-16:10

Nonstop11h 45m

£645

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

£675

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 30/6

21:20-13:25

Nonstop10h 05m

Incheon Intl

Fri 18/7

13:40-19:40

Nonstop12h 00m

£686

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 34 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 21 March 2025.

The best time to book flights from Istanbul Airport to Seoul is 45 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 £1,188). 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 28 March 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.

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 28 March 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
1,050 reviews
Check prices

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.4

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
1,050 reviews
Korean Air
8.4
Very Good
1,050 reviews
Check prices

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.4

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
829 reviews
Korean Air
8.4
Very Good
1,050 reviews
Check prices

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.4

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
440 reviews
Korean Air
8.4
Very Good
1,050 reviews
Check prices

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.4

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
8.2
Very Good
71 reviews
Korean Air
8.4
Very Good
1,050 reviews
Check prices

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.4

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
3,190 reviews
Korean Air
8.4
Very Good
1,050 reviews
Check prices

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.4

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 £439 on this airline. Additional options worth looking into are China Southern and Etihad Airways, starting at £493 and £510 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 Thai Airways (£311), MIAT Mongolian (£329), and Uzbekistan Airways (£329).

  • 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 (73%), Turkish Airlines (72%) or Asiana Airlines (72%) 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 £652 for a flight from Istanbul Airport to Seoul. The cheapest flight overall is £625 while the most popular route, (Istanbul - Incheon Intl) is currently priced at £645.

  • 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 £1,188). 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 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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
SAUDIACheapest£370Average£374FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
China SouthernCheapest£387Average£437FlexibilityNo cancel feeOn-time69%
Search China Southern flights
MIAT MongolianCheapest£428Average£434FlexibilityNo cancel feeOn-time63%
Search MIAT Mongolian flights
Etihad AirwaysCheapest£505Average£533FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Uzbekistan AirwaysCheapest£563Average£703FlexibilityNo cancel feeOn-time81%
Search Uzbekistan Airways flights
Asiana AirlinesCheapest£572Average£644FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest£655Average£759FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Turkish AirlinesCheapest£761Average£877FlexibilityNo 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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