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$297+ Cheap flights from Istanbul (IST) to Seoul (SEL)

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 Thursday and return on a Tuesday

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 September 11, 2025.

Round-trip from

$534
(MIAT Mongolian)

One-way from

$297
(MIAT Mongolian)

Popular in

August

Cheapest in

December

Average price

$635

Good round-trip deal

$988 or less

Good one-way deal

$846 or less
From Istanbul to Seoul (SEL)
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One-way flight from Istanbul to Seoul (SEL)
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Highest demand for flights based on searches. 13% potential increase in price ($94 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Istanbul to Seoul (SEL).
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Price to beat on a one-way 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 September 11, 2025.

This MIAT Mongolian deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure MIAT Mongolian is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/192:10 pmIST - ICN
1 stop16h 40mMIAT Mongolian
Mon 10/2012:05 amICN - IST
1 stop18h 20mMIAT Mongolian
Deal found 9/10$534
This MIAT Mongolian deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure MIAT Mongolian is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/212:10 pmIST - ICN
1 stop26h 15mMIAT Mongolian
Sat 10/2512:05 amICN - IST
1 stop20h 25mMIAT Mongolian
Deal found 9/10$574
This MIAT Mongolian deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure MIAT Mongolian is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/162:10 pmIST - ICN
1 stop26h 15mMIAT Mongolian
Wed 10/2212:05 amICN - IST
1 stop18h 20mMIAT Mongolian
Deal found 9/11$579
This MIAT Mongolian deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure MIAT Mongolian is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/192:10 pmIST - ICN
1 stop16h 40mMIAT Mongolian
Sat 10/2512:05 amICN - IST
1 stop20h 25mMIAT Mongolian
Deal found 9/10$584
This Gotogate deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/192:10 pmIST - ICN
1 stop16h 40mMultiple Airlines
Tue 11/184:20 pmICN - IST
1 stop21h 50mMultiple Airlines
Deal found 9/11$590
This MIAT Mongolian deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure MIAT Mongolian is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/192:10 pmIST - ICN
1 stop16h 40mMIAT Mongolian
Sat 10/252:20 pmICN - IST
1 stop30h 10mMIAT Mongolian
Deal found 9/10$594
This SmartFares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/262:55 pmIST - GMP
1 stop16h 10mAir China
Sat 11/12:25 pmGMP - IST
1 stop23h 55mAir China
Deal found 9/11$616
This Gotogate deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/262:55 pmIST - ICN
1 stop25h 00mAir China
Sat 11/11:10 pmICN - IST
1 stop25h 10mAir China
Deal found 9/11$622
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/162:10 pmIST - ICN
1 stop26h 15mMultiple Airlines
Mon 11/172:20 pmICN - IST
2 stops22h 40mMultiple Airlines
Deal found 9/11$644
This Gotogate deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/242:45 pmIST - GMP
1 stop16h 20mAir China
Sat 11/12:25 pmGMP - IST
1 stop23h 55mAir China
Deal found 9/10$646
This Trip.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/204:20 pmIST - ICN
1 stop12h 35mMultiple Airlines
Mon 10/272:20 pmICN - IST
2 stops22h 40mMultiple Airlines
Deal found 9/10$646
This MIAT Mongolian deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure MIAT Mongolian is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/162:10 pmIST - ICN
1 stop28h 30mMIAT Mongolian
Sat 9/201:50 amICN - IST
1 stop16h 35mMIAT Mongolian
Deal found 9/10$659

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 11, 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

Sun 10/26

2:55 pm-1:05 pm

1 stop16h 10m

Seoul Gimpo Intl

Sat 11/1

2:25 pm-8:20 am

1 stop23h 55m

$616

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Fri 10/24

2:45 pm-1:05 pm

1 stop16h 20m

Seoul Gimpo Intl

Sat 11/1

2:25 pm-8:20 am

1 stop23h 55m

$646

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Wed 10/22

7:30 am-10:45 am

1 stop21h 15m

Incheon Intl

Fri 10/31

11:45 pm-6:25 am

1 stop36h 40m

$707

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 3/9

2:00 pm-10:45 am

1 stop14h 45m

Incheon Intl

Sun 3/29

5:45 pm-6:10 am

1 stop18h 25m

$708

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Sun 10/5

2:10 pm-12:50 pm

1 stop16h 40m

Incheon Intl

Sat 11/1

1:20 pm-2:30 pm

1 stop31h 10m

$755

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Tue 10/21

12:50 am-9:40 am

2 stops26h 50m

Incheon Intl

Fri 10/31

11:40 am-9:25 pm

2 stops39h 45m

$796

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Mon 9/22

9:55 pm-9:40 am

1 stop29h 45m

Incheon Intl

Thu 9/25

3:15 pm-11:35 pm

1 stop14h 20m

$796

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Sun 10/19

2:45 pm-1:05 pm

1 stop16h 20m

Seoul Gimpo Intl

Tue 11/18

2:25 pm-8:20 am

1 stop23h 55m

$842

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Thu 10/16

9:55 pm-6:35 am

2 stops50h 40m

Incheon Intl

Thu 11/13

9:05 am-4:10 pm

2 stops37h 05m

$842

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

Wed 2/11

8:10 pm-5:15 pm

1 stop15h 05m

Incheon Intl

Wed 2/25

12:20 am-12:20 pm

1 stop18h 00m

$855

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 35 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 round-trip 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 round-trip flight from Istanbul to Seoul. Price data was last updated on August 29, 2025.

Booking 9 days in advance of your planned departure date is, on average, the best time to get cheap flights from Istanbul Airport to Seoul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Istanbul Airport to Seoul?

Currently, February is the cheapest month in which you can book a flight from Istanbul Airport to Seoul (average of $990). Flying from Istanbul Airport to Seoul in December is currently the most expensive (average of $1,633). 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 September 11, 2025.

It’s optimal to fly from Istanbul Airport to Seoul at noon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the evening.

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

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

Travelers seeking maximum savings on their Istanbul Airport to Seoul flight should consider departing on Sunday at noon when fares are most often at their lowest. Sunday 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 September 11, 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 (2 on average).

How much does it cost to fly round-trip from Istanbul Airport to Seoul?

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 September 11, 2025.
Read through reviews of airlines operating flights from Istanbul Airport to Seoul, such as Asiana Airlines, China Southern, and Etihad Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.2
Very good
479 reviews

Boarding

8.4

Crew

8.6

Entertainment

7.8

Overall

8.2

Comfort

8.1

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dana,Aug 2025

MNL - ICN

Air Asana helped me so much because I had previously canceled flights and they booked me. They helped me through the whole process of getting a new flight. The staff was courteous and helpful kind, and they assisted me with everything that I needed. They provided plenty of water and the food was good as well. Thank you so much to the Asana airline staff.!!
Asiana Airlines
8.2
Very good
479 reviews
Asiana Airlines
8.2
Very good
479 reviews

Boarding

8.4

Crew

8.6

Entertainment

7.8

Overall

8.2

Comfort

8.1

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dana,Aug 2025

MNL - ICN

Air Asana helped me so much because I had previously canceled flights and they booked me. They helped me through the whole process of getting a new flight. The staff was courteous and helpful kind, and they assisted me with everything that I needed. They provided plenty of water and the food was good as well. Thank you so much to the Asana airline staff.!!
China Southern
7.5
Good
110 reviews
Asiana Airlines
8.2
Very good
479 reviews

Boarding

8.4

Crew

8.6

Entertainment

7.8

Overall

8.2

Comfort

8.1

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dana,Aug 2025

MNL - ICN

Air Asana helped me so much because I had previously canceled flights and they booked me. They helped me through the whole process of getting a new flight. The staff was courteous and helpful kind, and they assisted me with everything that I needed. They provided plenty of water and the food was good as well. Thank you so much to the Asana airline staff.!!
Etihad Airways
7.4
Good
1,250 reviews
Asiana Airlines
8.2
Very good
479 reviews

Boarding

8.4

Crew

8.6

Entertainment

7.8

Overall

8.2

Comfort

8.1

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dana,Aug 2025

MNL - ICN

Air Asana helped me so much because I had previously canceled flights and they booked me. They helped me through the whole process of getting a new flight. The staff was courteous and helpful kind, and they assisted me with everything that I needed. They provided plenty of water and the food was good as well. Thank you so much to the Asana airline staff.!!
Turkish Airlines
7.3
Good
3,968 reviews
Asiana Airlines
8.2
Very good
479 reviews

Boarding

8.4

Crew

8.6

Entertainment

7.8

Overall

8.2

Comfort

8.1

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dana,Aug 2025

MNL - ICN

Air Asana helped me so much because I had previously canceled flights and they booked me. They helped me through the whole process of getting a new flight. The staff was courteous and helpful kind, and they assisted me with everything that I needed. They provided plenty of water and the food was good as well. Thank you so much to the Asana airline staff.!!

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?

    There are many flights that can get you from Istanbul Airport to Seoul in 16h 10m. Fly via Air China, MIAT Mongolian, or Air Astana to get the fastest option. The distance from Istanbul Airport to Seoul is about 4931 mi. This flight may include one or multiple stops.

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

    According to our current data, China Southern ($476), Etihad Airways ($724), and Asiana Airlines ($801) offers the cheapest pricing from Istanbul Airport to Seoul. China Southern is 23% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is Uzbekistan Airways, with whom users have recently found tickets for as low as $464. However, be on the lookout for offers from Air China and China Eastern, as they are both options that can get you from Istanbul Airport to Seoul for a low price.

  • What are the most reliable airlines from Istanbul Airport to Seoul?

    Before booking your flight to Seoul from Istanbul Airport, check out the most reliable airlines to get you to your destination on time: Korean Air (100%), Asiana Airlines (79%), Turkish Airlines( 67%).

  • What are the cheapest flights from Istanbul Airport to Seoul?

    Looking at all options, your cheapest flight can be booked for $755. While the most popular route (Istanbul - Incheon Intl) can be booked for $745 on average, our data indicates $917 when flying from Istanbul Airport to Seoul.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Istanbul Airport to Seoul (average of $990). Flying from Istanbul Airport to Seoul in December is currently the most expensive (average of $1,633). 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

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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$476Average$581FlexibilityNo cancel feeOn-time69%
Etihad AirwaysCheapest$724Average$779FlexibilityNo cancel feeOn-time75%
Asiana AirlinesCheapest$801Average$882FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$924Average$1,131FlexibilityNo cancel feeOn-time77%

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