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$366+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEL
may. 16 — may. 231
sáb. 5/16
sáb. 5/23
1 adult, Economy
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Find cheap flights from Istanbul to Seoul with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Istanbul to Seoul are usually found in June or January, booked 46 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Cheap 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 abril 16, 2026.

This FlightHub deal was found by Cheapflights users on 4/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/313:00 pm
IST
-
ICN
1 stop25h 00m
Air China
jue. 6/111:05 pm
ICN
-
IST
1 stop24h 55m
Air China
Deal found 4/14$545
This Booking.com deal was found by Cheapflights users on 4/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/53:00 pm
IST
-
ICN
1 stop25h 00m
Air China
lun. 6/153:45 pm
ICN
-
IST
1 stop22h 15m
Air China
Deal found 4/14$546
This Air China deal was found by Cheapflights users on 4/14. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/313:00 pm
IST
-
GMP
1 stop16h 05m
Air China
jue. 6/112:25 pm
GMP
-
IST
1 stop23h 35m
Air China
Deal found 4/14$568
This FlightHub deal was found by Cheapflights users on 4/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/33:00 pm
IST
-
GMP
1 stop16h 05m
Air China
lun. 6/152:25 pm
GMP
-
IST
1 stop23h 35m
Air China
Deal found 4/14$570
This FlightHub deal was found by Cheapflights users on 4/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/33:00 pm
IST
-
ICN
1 stop25h 00m
Air China
lun. 6/153:45 pm
ICN
-
IST
1 stop22h 15m
Air China
Deal found 4/14$570
This Booking.com deal was found by Cheapflights users on 4/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/273:00 pm
IST
-
ICN
1 stop25h 00m
Air China
mié. 6/31:05 pm
ICN
-
IST
1 stop24h 55m
Air China
Deal found 4/12$595
This Gotogate deal was found by Cheapflights users on 4/14. 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.
jue. 6/41:20 pm
IST
-
ICN
1 stop27h 05m
Multiple Airlines
mié. 6/172:15 pm
ICN
-
IST
2 stops22h 45m
Multiple Airlines
Deal found 4/14$605
This MIAT Mongolian deal was found by Cheapflights users on 4/12. 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.
jue. 4/161:20 pm
IST
-
ICN
1 stop27h 05m
MIAT Mongolian
mié. 5/612:05 am
ICN
-
IST
1 stop17h 20m
MIAT Mongolian
Deal found 4/12$618
This Booking.com deal was found by Cheapflights users on 4/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/173:00 pm
IST
-
ICN
1 stop17h 20m
Air China
lun. 5/251:05 pm
ICN
-
IST
1 stop24h 55m
Air China
Deal found 4/13$619
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/203:00 pm
IST
-
ICN
1 stop25h 00m
Air China
mié. 6/310:50 am
ICN
-
IST
1 stop27h 10m
Air China
Deal found 4/13$628
This MIAT Mongolian deal was found by Cheapflights users on 4/12. 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.
jue. 4/161:20 pm
IST
-
ICN
1 stop27h 05m
MIAT Mongolian
lun. 5/412:05 am
ICN
-
IST
1 stop17h 20m
MIAT Mongolian
Deal found 4/12$638
This MIAT Mongolian deal was found by Cheapflights users on 4/12. 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.
dom. 4/191:20 pm
IST
-
ICN
1 stop17h 30m
MIAT Mongolian
mié. 5/612:05 am
ICN
-
IST
1 stop17h 20m
MIAT Mongolian
Deal found 4/12$641

Find 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 abril 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$545
(FlightHub)

One-way from

$366
(Kiwi.com)

Popular in

October

Cheapest in

June

Average price

$640

Good round-trip deal

$854 or less

Good one-way deal

$846 or less
Provider with most accurate pricing for Istanbul-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Istanbul-Seoul (SEL) flights.
Search Deals
From Istanbul to Seoul (SEL)
Search Deals
One-way flight from Istanbul to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Istanbul to Seoul (SEL).
Search Deals
Price to beat on a one-way flight from Istanbul to Seoul (SEL).
Search Deals

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 abril 16, 2026.
Use the filters below to find and compare flights from Istanbul Airport to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

lun. 6/8

11:00 am-7:50 pm

2 stops50h 50m

Seoul Gimpo Intl

mié. 6/17

12:00 pm-7:00 am

2 stops25h 00m

$839

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

dom. 8/23

10:50 pm-9:40 am

2 stops28h 50m

Incheon Intl

lun. 8/31

8:50 am-11:25 am

2 stops32h 35m

$882

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

jue. 5/21

11:00 am-7:50 pm

2 stops26h 50m

Seoul Gimpo Intl

mié. 5/27

12:00 pm-7:00 am

2 stops25h 00m

$903

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

lun. 5/11

9:20 pm-1:25 pm

Nonstop10h 05m

Incheon Intl

vie. 5/22

1:40 pm-7:40 pm

Nonstop12h 00m

$945

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

dom. 6/21

9:20 pm-1:25 pm

Nonstop10h 05m

Incheon Intl

sáb. 8/15

1:40 pm-7:40 pm

Nonstop12h 00m

$945

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

dom. 5/17

2:00 pm-7:50 pm

1 stop23h 50m

Seoul Gimpo Intl

mié. 5/27

12:00 pm-7:00 am

2 stops25h 00m

$946

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

dom. 5/3

9:20 pm-1:25 pm

Nonstop10h 05m

Incheon Intl

lun. 8/31

1:40 pm-7:40 pm

Nonstop12h 00m

$946

IstanbulIncheon

IST - ICN

ISTICN

Istanbul

dom. 5/3

9:20 pm-1:25 pm

Nonstop10h 05m

Incheon Intl

lun. 6/15

1:40 pm-7:40 pm

Nonstop12h 00m

$946

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

lun. 6/1

11:00 am-7:50 pm

2 stops26h 50m

Seoul Gimpo Intl

lun. 6/8

12:00 pm-8:10 am

1 stop26h 10m

$948

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

mar. 6/30

2:00 pm-7:50 pm

1 stop23h 50m

Seoul Gimpo Intl

mié. 7/15

12:00 pm-7:00 am

2 stops25h 00m

$957

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Showing 1-10 of 44 resultsSorted by cheapest first
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Compare providers for flights from Istanbul to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Istanbul to Seoul in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
BudgetAirPrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Istanbul Airport-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Istanbul Airport-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Istanbul Airport-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Istanbul Airport-Seoul flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Istanbul Airport-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 10, 2026.

Booking 46 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, October is the cheapest month in which you can book a flight from Istanbul Airport to Seoul (average of $231). Flying from Istanbul Airport to Seoul in June is currently the most expensive (average of $525). 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 abril 16, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Istanbul Airport to Seoul as you normally would.

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 abril 16, 2026.

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).

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 abril 16, 2026.
Read through reviews of airlines operating flights from Istanbul Airport to Seoul, such as Asiana Airlines and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.0
Very good
518 reviews

Food

8.0

Crew

8.4

Entertainment

7.6

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

ICN - PEK

Food was better and a smaller business class made the experience more personal.
Asiana Airlines
8.0
Very good
518 reviews
Asiana Airlines
8.0
Very good
518 reviews

Food

8.0

Crew

8.4

Entertainment

7.6

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

ICN - PEK

Food was better and a smaller business class made the experience more personal.
Turkish Airlines
7.3
Good
4,304 reviews
Asiana Airlines
8.0
Very good
518 reviews

Food

8.0

Crew

8.4

Entertainment

7.6

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

ICN - PEK

Food was better and a smaller business class made the experience more personal.

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 17h 30m. Fly via MIAT Mongolian, China Eastern, or Air Astana to get the fastest option. The distance from Istanbul Airport to Seoul is about 4921 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, MIAT Mongolian ($292), Asiana Airlines ($790), and Turkish Airlines ($924) offers the cheapest pricing from Istanbul Airport to Seoul. MIAT Mongolian is 56% 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 Centrum Air, with whom users have recently found tickets for as low as $266. However, be on the lookout for offers from MIAT Mongolian and Thai Airways, 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 (90%), Asiana Airlines (65%), Turkish Airlines( 48%).

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

    Looking at all options, your cheapest flight can be booked for $694. While the most popular route (Istanbul - Incheon Intl) can be booked for $726 on average, our data indicates $978 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, October is the cheapest month in which you can book a flight from Istanbul Airport to Seoul (average of $231). Flying from Istanbul Airport to Seoul in June is currently the most expensive (average of $525). 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.

Top 3 airlines flying from Istanbul to Seoul

Discover the top 3 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 abril 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
MIAT MongolianCheapest$292Average$572FlexibilityNo cancel feeOn-time63%
Asiana AirlinesCheapest$790Average$875FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$924Average$1,115FlexibilityNo cancel feeOn-time77%

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