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$224+ Cheap flights from Seoul (SEL) to Istanbul (IST)

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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — IST
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheapflights Tip: The best prices from Seoul to Istanbul are usually found in January or February, booked 17 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Seoul to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Istanbul (IST). 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 August 21, 2025.

Round-trip from

$424
(China Southern)

One-way from

$224
(Kiwi.com)

Popular in

October

Cheapest in

January

Average price

$647

Good round-trip deal

$782 or less

Good one-way deal

$770 or less
From Seoul (SEL) to Istanbul
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One-way flight from Seoul (SEL) to Istanbul
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Highest demand for flights based on searches. 10% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Seoul (SEL) to Istanbul.
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Price to beat on a one-way flight from Seoul (SEL) to Istanbul.
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Find flight deals from Seoul to Istanbul

Cheapest flights from Seoul to Istanbul
Explore the most affordable flight options available from Seoul to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This China Southern deal was found by Cheapflights users on 8/19. 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/131:30 pmGMP - IST
1 stop22h 30mChina Southern
Thu 11/133:50 pmIST - GMP
1 stop14h 35mChina Southern
Deal found 8/19$424
This Booking.com deal was found by Cheapflights users on 8/20. 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.
Mon 10/1312:05 amICN - IST
1 stop18h 20mMIAT Mongolian
Thu 10/304:20 pmIST - ICN
1 stop24h 20mMIAT Mongolian
Deal found 8/20$446
This MIAT Mongolian deal was found by Cheapflights users on 8/21. 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.
Sat 10/182:20 pmICN - IST
1 stop28h 05mMIAT Mongolian
Sun 10/264:20 pmIST - ICN
1 stop13h 45mMIAT Mongolian
Deal found 8/21$475
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Wed 10/154:20 pmICN - IST
1 stop21h 40mChina Eastern
Mon 10/271:35 pmIST - ICN
1 stop16h 20mChina Eastern
Deal found 8/19$477
This OneTravel deal was found by Cheapflights users on 8/19. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1312:05 amICN - IST
1 stop18h 20mMIAT Mongolian
Sun 10/264:20 pmIST - ICN
1 stop13h 45mMIAT Mongolian
Deal found 8/19$478
This MIAT Mongolian deal was found by Cheapflights users on 8/21. 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.
Wed 11/51:20 pmICN - IST
1 stop31h 10mMIAT Mongolian
Sun 11/164:20 pmIST - ICN
1 stop13h 45mMIAT Mongolian
Deal found 8/21$483
This Mytrip deal was found by Cheapflights users on 8/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/134:20 pmICN - IST
1 stop21h 40mChina Eastern
Mon 10/202:00 pmIST - ICN
1 stop15h 55mChina Eastern
Deal found 8/20$488
This Trip.com deal was found by Cheapflights users on 8/20. 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.
Sun 9/146:25 pmICN - IST
1 stop19h 35mChina Eastern
Fri 9/192:00 pmIST - ICN
1 stop24h 45mChina Eastern
Deal found 8/20$493
This MIAT Mongolian deal was found by Cheapflights users on 8/20. 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.
Wed 10/1512:05 amICN - IST
1 stop18h 20mMIAT Mongolian
Sun 12/284:20 pmIST - ICN
1 stop13h 45mMIAT Mongolian
Deal found 8/20$496
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Mon 10/134:35 pmICN - IST
1 stop21h 25mChina Eastern
Mon 11/171:35 pmIST - ICN
1 stop16h 20mChina Eastern
Deal found 8/19$502
This MIAT Mongolian deal was found by Cheapflights users on 8/21. 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.
Sat 12/1311:55 pmICN - IST
1 stop20h 35mMIAT Mongolian
Sun 12/214:20 pmIST - ICN
1 stop13h 45mMIAT Mongolian
Deal found 8/21$503
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Sat 9/62:20 pmICN - IST
1 stop28h 05mMIAT Mongolian
Sun 9/282:10 pmIST - ICN
1 stop16h 40mMIAT Mongolian
Deal found 8/20$512

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul to Istanbul 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 August 21, 2025.
Use the filters below to find and compare flights from Seoul to Istanbul Airport that are best for you.

Fly from

Seoul

Fly to

Istanbul

Route

Depart

Return

Price

SeoulIstanbul

GMP - IST

GMPIST

Seoul Gimpo Intl

Mon 10/13

1:30 pm-6:00 am

1 stop22h 30m

Istanbul

Thu 11/13

3:50 pm-12:25 pm

1 stop14h 35m

$424

IncheonIstanbul

ICN - IST

ICNIST

Incheon Intl

Wed 11/5

1:20 pm-2:30 pm

1 stop31h 10m

Istanbul

Sun 11/16

4:20 pm-12:05 pm

1 stop13h 45m

$483

IncheonIstanbul

ICN - IST

ICNIST

Incheon Intl

Wed 11/12

1:20 pm-2:30 pm

1 stop31h 10m

Istanbul

Sun 11/23

4:20 pm-12:05 pm

1 stop13h 45m

$483

IncheonIstanbul

ICN - IST

ICNIST

Incheon Intl

Sat 12/13

11:55 pm-2:30 pm

1 stop20h 35m

Istanbul

Sun 12/21

4:20 pm-12:05 pm

1 stop13h 45m

$503

IncheonIstanbul

ICN - IST

ICNIST

Incheon Intl

Mon 10/13

2:20 pm-12:25 pm

1 stop28h 05m

Istanbul

Sun 11/16

4:20 pm-12:05 pm

1 stop13h 45m

$514

IncheonIstanbul

ICN - IST

ICNIST

Incheon Intl

Sat 10/11

12:05 am-12:25 pm

1 stop18h 20m

Istanbul

Thu 11/13

4:20 pm-10:40 pm

1 stop24h 20m

$521

SeoulIstanbul

GMP - IST

GMPIST

Seoul Gimpo Intl

Sat 12/13

2:25 pm-8:20 am

1 stop23h 55m

Istanbul

Sun 12/21

2:55 pm-1:05 pm

1 stop16h 10m

$536

SeoulIstanbul

GMP - IST

GMPIST

Seoul Gimpo Intl

Wed 9/3

1:30 pm-6:00 am

1 stop22h 30m

Istanbul

Thu 10/2

4:00 pm-12:25 pm

1 stop14h 25m

$536

IncheonIstanbul

ICN - IST

ICNIST

Incheon Intl

Sat 12/20

11:55 pm-2:30 pm

1 stop20h 35m

Istanbul

Thu 1/1

4:20 pm-12:05 pm

1 stop13h 45m

$536

IncheonIstanbul

ICN - IST

ICNIST

Incheon Intl

Mon 11/3

10:20 pm-9:55 pm

1 stop29h 35m

Istanbul

Wed 11/19

2:00 am-6:10 pm

1 stop34h 10m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 44 results
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Best time to book a flight from Seoul to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from Seoul 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 Seoul to Istanbul Airport

How far ahead should I book a flight from Seoul to Istanbul Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seoul to Istanbul. Price data was last updated on August 8, 2025.

Booking 17 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul to Istanbul Airport. 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 Seoul to Istanbul Airport?

Currently, November is the cheapest month in which you can book a flight from Seoul to Istanbul Airport (average of $923). Flying from Seoul to Istanbul Airport in June is currently the most expensive (average of $1,359). 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 SEL to IST?

Find hourly flight availability from Seoul to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

A simple way to save on the total cost of your ticket is to fly from Seoul to Istanbul Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight in the evening.

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

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

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

Weekly flight availability from Seoul to Istanbul Airport

Explore weekly flight availability from Seoul to Istanbul. 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 August 21, 2025.

The most flights from SEL to IST are scheduled on a Wednesday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

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

What’s the top layover airport for flights from Seoul to Istanbul Airport?

Share of 1-stop round-trip flights from Seoul to Istanbul Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Ulaanbaatar (UBN) – chosen by Cheapflights users on 52% of 1-stop itineraries from Seoul to Istanbul Airport on Cheapflights.

What’s the cheapest layover airport for flights from Seoul to Istanbul Airport?

Average round-trip fare for 1-stop flights from Seoul to Istanbul Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Chengdu (TFU) is the most affordable 1-stop option, with an average round-trip price of $379.

What’s the fastest layover option from Seoul to Istanbul Airport?

Shortest average travel time for 1-stop one-way flights from Seoul to Istanbul Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Abu Dhabi (AUH) have the shortest average one-way travel time for 1-stop routes: 18h 20m.

Which airport typically offers the quickest layover for flights from Seoul to Istanbul Airport?

Average layover duration for 1-stop one-way flights from Seoul to Istanbul Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Abu Dhabi (AUH) offer the fastest connection on this route, with an average layover time of 2h 45m.

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. 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 Istanbul. Reviews last updated August 21, 2025.
See what other customers who have flown with Korean Air, Asiana Airlines, and Etihad Airways from Seoul to Istanbul Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,131 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,131 reviews
Korean Air
8.4
Very good
1,131 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.2
Very good
475 reviews
Korean Air
8.4
Very good
1,131 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Etihad Airways
7.4
Good
1,233 reviews
Korean Air
8.4
Very good
1,131 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Turkish Airlines
7.3
Good
3,950 reviews
Korean Air
8.4
Very good
1,131 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
China Eastern
7.2
Good
161 reviews
Korean Air
8.4
Very good
1,131 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Seoul to Istanbul. 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 Seoul to Istanbul Airport?

    There are many flights that can get you from Seoul to Istanbul Airport in 22h 30m. Fly via China Southern, MIAT Mongolian, or Air China to get the fastest option. Airlines will cover a distance of 4931 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on China Eastern is currently your cheapest option to Istanbul Airport, with prices starting at $393. Additional round-trip tickets that might be worth considering are offered by MIAT Mongolian and Etihad Airways, with the lowest prices starting at $447 and $539, respectively. China Eastern is 40% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seoul to Istanbul Airport on time: Korean Air (85%), Asiana Airlines (73%), Turkish Airlines (55%).

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

    Looking at all options, your cheapest flight can be booked for $612. While the most popular route (Incheon Intl - Istanbul) can be booked for $500 on average our data indicates $1,344 when flying from Seoul to Istanbul Airport.

  • Can I find deals for flights from Seoul to Istanbul that include hotel bookings?

    Yes. In addition to deals on Seoul to Istanbul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seoul to Istanbul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Istanbul.

  • Can I find deals for business class flights from Seoul to Istanbul?

    Yes. Cheapflights offers flight deals from Seoul to Istanbul 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 Seoul to Istanbul Airport?

    Currently, November is the cheapest month in which you can book a flight from Seoul to Istanbul Airport (average of $923). Flying from Seoul to Istanbul Airport in June is currently the most expensive (average of $1,359). 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

Traveling to a place near Istanbul Airport?

Book flights to Istanbul Airport if you plan to visit one of these locations
Yalova

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seoul to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Istanbul flights

Top 8 airlines flying from Seoul to Istanbul

Discover the top 8 airlines that operate flights from Seoul to Istanbul. 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$393Average$418FlexibilityNo cancel feeOn-time62%
MIAT MongolianCheapest$447Average$629FlexibilityNo cancel feeOn-time63%
Etihad AirwaysCheapest$539Average$915FlexibilityNo cancel feeOn-time75%
EmiratesCheapest$545Average$665FlexibilityNo cancel feeOn-time75%
Asiana AirlinesCheapest$594Average$864FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$617Average$824FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$675Average$776FlexibilityNo cancel feeOn-time81%
Uzbekistan AirwaysCheapest$734Average$894FlexibilityNo cancel feeOn-time81%

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