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Cheap flights from Istanbul Airport to Seoul Gimpo Intl Airport from £340

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
IST — GMP
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Istanbul to Gimpo Intl

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) to Gimpo Intl (GMP). 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 27 November 2025.

Round-trip from

£603

One-way from

£340

Popular in

July

Cheapest in

September

Average price

£701
Air China
  • Air China
  • 23/12-30/12
  • 2 total stops
  • 39h 00m total
  • Istanbul to Seoul
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China Southern
  • China Southern
  • 12/3
  • 1 total stop
  • 15h 05m total
  • Istanbul to Seoul
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Highest demand for flights based on searches. 22% potential increase in price (£106 potential increase over avg. return price).
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Cheapest flight prices on average. 9% potential price decrease (£32 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from Istanbul to Gimpo Intl

Enter your travel dates to find the best prices.

Cheapest flights from Istanbul to Gimpo Intl
Explore the most affordable flight options available from Istanbul to Gimpo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Tue 23/1215:20IST - GMP
1 stop15h 05mMultiple Airlines
Tue 30/1214:25GMP - IST
1 stop23h 55mMultiple Airlines
Deal found 25/11£603
Mon 22/1202:05IST - GMP
1 stop29h 00mAir China
Tue 30/1214:25GMP - IST
1 stop23h 55mAir China
Deal found 25/11£1,283

Cheapflights Fare Finder

 
Customise your flight search to find flights from Istanbul to Gimpo Intl 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 27 November 2025.
Use the filters below to find and compare flights from Istanbul Airport to Seoul Gimpo Intl Airport that are best for you.

Fly from

Istanbul

Fly to

Gimpo Intl

Route

Depart

Return

Price

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Tue 23/12

15:20-12:25

1 stop15h 05m

Seoul Gimpo Intl

Tue 30/12

14:25-08:20

1 stop23h 55m

£603

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Mon 22/12

02:05-13:05

1 stop29h 00m

Seoul Gimpo Intl

Tue 30/12

14:25-08:20

1 stop23h 55m

£1,283

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Thu 12/3

15:20-12:25

1 stop15h 05m

£340

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Tue 10/3

15:20-12:25

1 stop15h 05m

£342

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Sun 14/12

14:55-13:05

1 stop16h 10m

£380

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Wed 11/3

10:10-13:05

3 stops20h 55m

£394

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Wed 11/3

14:55-13:05

1 stop16h 10m

£410

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Sun 8/3

14:55-13:05

1 stop16h 10m

£420

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Sat 14/3

15:20-12:25

1 stop15h 05m

£424

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Mon 9/3

17:05-14:10

1 stop15h 05m

£458

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 11 results
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Best time to book a flight from Istanbul to Gimpo Intl

Have a flexible travel schedule? Discover the best time to fly to Gimpo Intl 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 Gimpo Intl Airport

What is the cheapest time of day to fly from IST to GMP?

Find hourly flight availability from Istanbul to Gimpo Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 November 2025.

One of the essential ways to save on airfare from Istanbul Airport to Seoul Gimpo Intl Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 66% on airfare.

Related info for your journey

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

    Air China can get you from Istanbul Airport to Seoul Gimpo Intl Airport in just under 29h. Your travel time can differ by up to . The distance from Istanbul Airport to Seoul Gimpo Intl Airport is about 4931 mi.

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

    Yes. In addition to deals on Istanbul to Gimpo Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Istanbul to Gimpo Intl?

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

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

    Yes. Cheapflights offers flight deals from Istanbul to Gimpo Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Fly with Cheapflights

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How does Cheapflights help users find flights from Istanbul to Gimpo Intl?

Cheapflights helps you search for flights from Istanbul to Gimpo Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Istanbul to Gimpo Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Istanbul to Gimpo Intl.

Can Cheapflights find flights from Istanbul to Gimpo Intl with no change fees?

Need flexible booking options for your flight to Gimpo Intl from Istanbul? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Istanbul to Gimpo Intl become cheaper?

Of course! You can now track prices for flights from Istanbul to Gimpo Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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