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Cheap flights from Istanbul Airport to Seoul Gimpo Intl Airport from £298

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 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
IST — GMP
20 Apr — 27 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 21 March 2026.

Thu 14/515:00
IST
-
GMP
1 stop16h 05m
Air China
Thu 21/514:25
GMP
-
IST
1 stop23h 35m
Air China
Deal found 16/3£405
Tue 23/615:30
IST
-
GMP
1 stop14h 55m
China Southern
Wed 1/713:30
GMP
-
IST
1 stop23h 05m
China Southern
Deal found 16/3£482
Fri 12/608:30
IST
-
GMP
2 stops24h 30m
Multiple Airlines
Mon 29/613:30
GMP
-
IST
1 stop23h 05m
Multiple Airlines
Deal found 17/3£535
Tue 14/414:00
IST
-
GMP
1 stop23h 50m
China Eastern
Mon 20/412:00
GMP
-
IST
1 stop26h 00m
China Eastern
Deal found 19/3£598
Mon 8/611:00
IST
-
GMP
2 stops26h 50m
China Eastern
Tue 16/612:00
GMP
-
IST
2 stops49h 00m
China Eastern
Deal found 17/3£609
Fri 15/514:00
IST
-
GMP
1 stop23h 50m
China Eastern
Sat 30/520:50
GMP
-
IST
2 stops40h 10m
China Eastern
Deal found 17/3£621
Mon 18/511:00
IST
-
GMP
2 stops42h 00m
China Eastern
Thu 21/520:50
GMP
-
IST
2 stops40h 10m
China Eastern
Deal found 20/3£701
Tue 23/621:25
IST
-
GMP
3 stops33h 00m
Multiple Airlines
Wed 1/713:30
GMP
-
IST
1 stop23h 05m
Multiple Airlines
Deal found 16/3£715
Wed 25/313:35
IST
-
GMP
1 stop24h 15m
China Eastern
Tue 31/320:50
GMP
-
IST
2 stops40h 10m
China Eastern
Deal found 17/3£756
Sat 23/520:30
IST
-
GMP
3 stops41h 20m
Multiple Airlines
Sat 30/514:25
GMP
-
IST
1 stop23h 35m
Multiple Airlines
Deal found 19/3£788
Thu 4/611:00
IST
-
GMP
2 stops50h 50m
China Eastern
Tue 16/612:00
GMP
-
IST
2 stops49h 00m
China Eastern
Deal found 17/3£795

Find 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 21 March 2026.

Round-trip from

£405

One-way from

£298

Popular in

October

Cheapest in

January

Average price

£501
Air China
  • Air China
  • 14/5-21/5
  • 2 total stops
  • 39h 40m total
  • Istanbul to Seoul
Search Deals
China Eastern
  • China Eastern
  • 30/3
  • 2 total stops
  • 42h 00m total
  • Istanbul to Seoul
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 21 March 2026.
Use the filters below to find and compare flights from Istanbul Airport to Seoul Gimpo Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Thu 14/5

15:00-13:05

1 stop16h 05m

Seoul Gimpo Intl

Thu 21/5

14:25-08:00

1 stop23h 35m

£405
Fastest return journey

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Tue 23/6

15:30-12:25

1 stop14h 55m

Seoul Gimpo Intl

Wed 1/7

13:30-06:35

1 stop23h 05m

£482

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Tue 14/4

14:00-19:50

1 stop23h 50m

Seoul Gimpo Intl

Mon 20/4

12:00-08:00

1 stop26h 00m

£598

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Fri 15/5

14:00-19:50

1 stop23h 50m

Seoul Gimpo Intl

Sat 30/5

20:50-07:00

2 stops40h 10m

£621

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Mon 18/5

11:00-11:00

2 stops42h 00m

Seoul Gimpo Intl

Sat 23/5

20:50-07:00

2 stops40h 10m

£701

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Fri 12/6

15:00-13:05

1 stop16h 05m

Seoul Gimpo Intl

Mon 29/6

13:30-06:35

1 stop23h 05m

£712

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Sat 23/5

20:30-19:50

3 stops41h 20m

Seoul Gimpo Intl

Sat 30/5

14:25-08:00

1 stop23h 35m

£788

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Thu 4/6

11:00-19:50

2 stops50h 50m

Seoul Gimpo Intl

Tue 16/6

12:00-07:00

2 stops49h 00m

£795

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Thu 14/5

15:30-12:25

1 stop14h 55m

Seoul Gimpo Intl

Thu 21/5

13:30-07:15

2 stops23h 45m

£833

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Fri 22/5

14:00-19:50

1 stop23h 50m

Seoul Gimpo Intl

Sat 6/6

20:50-07:00

2 stops40h 10m

£846

Flights are sorted by cheapest return flights first.

Deals found on 17/3

Showing 1-10 of 21 resultsSorted by cheapest first
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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.

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 and China Eastern can get you from Istanbul Airport to Seoul Gimpo Intl Airport in just under 16h 05m. Your travel time can differ by up to 7h 45m. The distance from Istanbul Airport to Seoul Gimpo Intl Airport is about 4931 mi. This flight may include one or multiple stops.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Istanbul to Gimpo Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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

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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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