$297 Cheap Flights from Istanbul (IST) to Seoul (ICN)

View $297 flight on Tue, Aug 12, 2025Opens in a new window

Popular airlines from Istanbul Airport (IST) to Incheon Intl. Airport (ICN)

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Cheap Flights from Istanbul to Seoul (IST-ICN)

Prices were available within the past 7 days and start at $297 for one-way flights and $484 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

MIAT Mongolian Airlines
Mon, Jul 28 - Mon, Aug 4
IST
Istanbul
ICN
Seoul
$484 Roundtrip, found 1 hour ago
$484
Roundtrip
found 1 hour ago
Select MIAT Mongolian Airlines flight, departing Mon, Jul 28 from Istanbul to Seoul, returning Mon, Aug 4, priced at $484 found 1 hour ago
China Southern Airlines
Mon, Nov 10 - Fri, Nov 28
IST
Istanbul
ICN
Seoul
$533 Roundtrip, found 1 day ago
$533
Roundtrip
found 1 day ago
Select China Southern Airlines flight, departing Mon, Nov 10 from Istanbul to Seoul, returning Fri, Nov 28, priced at $533 found 1 day ago
LOT-Polish Airlines
Wed, Nov 19 - Tue, Dec 9
IST
Istanbul
ICN
Seoul
$660 Roundtrip, found 1 day ago
$660
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Wed, Nov 19 from Istanbul to Seoul, returning Tue, Dec 9, priced at $660 found 1 day ago
Etihad Airways
Tue, Aug 26 - Thu, Sep 4
IST
Istanbul
ICN
Seoul
$719 Roundtrip, found 5 hours ago
$719
Roundtrip
found 5 hours ago
Select Etihad Airways flight, departing Tue, Aug 26 from Istanbul to Seoul, returning Thu, Sep 4, priced at $719 found 5 hours ago
China Eastern Airlines
Mon, Jul 21 - Mon, Aug 4
IST
Istanbul
ICN
Seoul
$751 Roundtrip, found 10 hours ago
$751
Roundtrip
found 10 hours ago
Select China Eastern Airlines flight, departing Mon, Jul 21 from Istanbul to Seoul, returning Mon, Aug 4, priced at $751 found 10 hours ago
Air Astana
Mon, Aug 25 - Mon, Sep 1
IST
Istanbul
ICN
Seoul
$788 Roundtrip, found 18 hours ago
$788
Roundtrip
found 18 hours ago
Select Air Astana flight, departing Mon, Aug 25 from Istanbul to Seoul, returning Mon, Sep 1, priced at $788 found 18 hours ago
Air China
Mon, Aug 4 - Fri, Aug 15
IST
Istanbul
ICN
Seoul
$815 Roundtrip, found 1 day ago
$815
Roundtrip
found 1 day ago
Select Air China flight, departing Mon, Aug 4 from Istanbul to Seoul, returning Fri, Aug 15, priced at $815 found 1 day ago
Thai Airways International
Thu, Sep 18 - Mon, Sep 29
IST
Istanbul
ICN
Seoul
$840 Roundtrip, found 1 day ago
$840
Roundtrip
found 1 day ago
Select Thai Airways International flight, departing Thu, Sep 18 from Istanbul to Seoul, returning Mon, Sep 29, priced at $840 found 1 day ago
Uzbekistan Airways
Sat, Jul 26 - Tue, Jul 29
IST
Istanbul
ICN
Seoul
$849 Roundtrip, found 4 days ago
$849
Roundtrip
found 4 days ago
Select Uzbekistan Airways flight, departing Sat, Jul 26 from Istanbul to Seoul, returning Tue, Jul 29, priced at $849 found 4 days ago
Sichuan Airlines
Wed, Nov 19 - Sat, Nov 29
IST
Istanbul
ICN
Seoul
$857 Roundtrip, found 1 day ago
$857
Roundtrip
found 1 day ago
Select Sichuan Airlines flight, departing Wed, Nov 19 from Istanbul to Seoul, returning Sat, Nov 29, priced at $857 found 1 day ago

Find the cheapest month to fly from Istanbul (IST) to Seoul (ICN)

March is typically the cheapest month to fly

From $498 - $822 per traveler.

Graph displaying average flight prices per month

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gimpo Intl. GMP. Closest option available. Average driving time to city center is 20 minutes. Flights from $4,806
GMP
Gimpo Intl.
Closest
Average driving time to city center20 min
Flights from $4,806
Flights from Istanbul (IST) to Seoul (ICN)
Origin airport
Istanbul
Destination airport
Incheon Intl.
Airlines serving
Air Astana, Air China, Air France, Asiana Airlines, China Eastern Airlines, China Southern Airlines, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, LOT-Polish Airlines, Lufthansa, MIAT Mongolian Airlines, Malaysia Airlines, Qatar Airways, Sichuan Airlines, Thai Airways International, Turkish Airlines, Uzbekistan Airways
Roundtrip price
$484
Distance
4923 mi
Average flight time
15 hours 56 mins

Istanbul to Seoul Flights

The cheapest times to fly from Istanbul to Seoul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Istanbul to Seoul are during the month of July. You can find some of the cheapest flights from Istanbul to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Istanbul to Seoul

Sunday is one of the best days to book for cheap flights from Istanbul to Seoul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Istanbul to Seoul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Istanbul to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $297 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Istanbul to Seoul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Istanbul to Seoul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Istanbul (IST) to Incheon Intl. Airport (ICN) cost?
Cheap return fares from Istanbul (IST) to Incheon Intl. Airport (ICN) start at $999. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Korean Air flight leaving IST on July 28 2025 and touching down at ICN. The price was last updated on July 12 2025 and has not changed since.
What is the cheapest month to fly from IST to ICN?
The cheapest flights from IST to ICN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Istanbul (IST) to Incheon Intl. Airport (ICN)?
You can't fly direct from Istanbul (IST) to Incheon Intl. Airport (ICN). However, you can easily journey to Seoul without any layovers by leaving from Ataturk Intl. Airport (IST).
What is the cheapest airline that flies from IST to ICN?
Currently, the cheapest airline offering one-way flights from IST to ICN is Asiana Airlines. You can take off on this route from $880. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IST on October 1 2025. Prices were last updated on July 12 2025 and have not changed since.
How many flights per day from Istanbul (IST) to Incheon Intl. Airport (ICN)?
There are no daily nonstop flights from Istanbul (IST) to Incheon Intl. Airport (ICN). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from IST to ICN?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Istanbul (IST) to Incheon Intl. Airport (ICN)?
To touch down at Incheon Intl. Airport (ICN) without delays, select a flight that takes off from Istanbul (IST) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Istanbul (IST) to Incheon Intl. Airport (ICN) last-minute?
Last-minute bookings from IST to ICN are generally more expensive. To lock in the best rates, start looking for flights as early as possible. That being said, if you can play around with your travel dates, it's possible to land a cheap ticket right before you leave.
Is it cheaper to book an IST to ICN flight and hotel package?
Compared with arranging hotels and flights separately, booking an IST to ICN flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the hassle out of planning your trip. Just pick your flights and select from our extensive range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Istanbul (IST) to Incheon Intl. Airport (ICN)?
In most cases, you're able to cancel or reschedule your IST to ICN flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need further details, visit our Customer Service portal.

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