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Cheap flights from Istanbul Airport to Seoul Gimpo Intl Airport from £323

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
IST — GMP
13 Apr — 20 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 14 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 9/3£389
Mon 23/314:45
IST
-
GMP
1 stop15h 40m
China Southern
Sun 5/413:30
GMP
-
IST
1 stop23h 05m
China Southern
Deal found 10/3£493
Thu 14/515:00
IST
-
GMP
1 stop16h 05m
Air China
Thu 28/514:25
GMP
-
IST
1 stop23h 35m
Air China
Deal found 11/3£516
Mon 23/314:45
IST
-
GMP
2 stops36h 25m
Multiple Airlines
Sun 5/413:30
GMP
-
IST
1 stop23h 05m
Multiple Airlines
Deal found 10/3£529
Sat 9/510:20
IST
-
GMP
2 stops20h 05m
Multiple Airlines
Sun 17/513:30
GMP
-
IST
1 stop23h 05m
Multiple Airlines
Deal found 10/3£586
Tue 23/615:30
IST
-
GMP
1 stop14h 55m
Multiple Airlines
Sat 27/614:25
GMP
-
IST
1 stop23h 35m
Multiple Airlines
Deal found 11/3£658
Thu 23/415:00
IST
-
GMP
1 stop16h 05m
Air China
Thu 30/414:25
GMP
-
IST
1 stop23h 35m
Air China
Deal found 9/3£697
Sat 4/415:30
IST
-
GMP
1 stop14h 55m
China Southern
Fri 10/413:30
GMP
-
IST
1 stop23h 05m
China Southern
Deal found 11/3£706
Sat 9/515:30
IST
-
GMP
1 stop14h 55m
China Southern
Sun 17/513:30
GMP
-
IST
1 stop23h 05m
China Southern
Deal found 10/3£769
Wed 8/715:00
IST
-
GMP
1 stop16h 05m
Multiple Airlines
Wed 22/713:30
GMP
-
IST
1 stop23h 05m
Multiple Airlines
Deal found 13/3£803
Thu 14/514:20
IST
-
GMP
2 stops21h 40m
Multiple Airlines
Thu 21/511:25
GMP
-
IST
2 stops25h 50m
Multiple Airlines
Deal found 9/3£842

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 14 March 2026.

Round-trip from

£389

One-way from

£323

Popular in

October

Cheapest in

January

Average price

£499
Air China
  • Air China
  • 14/5-21/5
  • 2 total stops
  • 39h 40m total
  • Istanbul to Seoul
Search Deals
4/6
  • 4/6
  • 2 total stops
  • 39h 20m total
  • Istanbul to Seoul
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£8 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 14 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

£389

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Thu 14/5

15:00-13:05

1 stop16h 05m

Seoul Gimpo Intl

Thu 28/5

14:25-08:00

1 stop23h 35m

£516
Fastest return journey

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Tue 23/6

15:30-12:25

1 stop14h 55m

Seoul Gimpo Intl

Sat 27/6

14:25-08:00

1 stop23h 35m

£658

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Wed 8/7

15:00-13:05

1 stop16h 05m

Seoul Gimpo Intl

Wed 22/7

13:30-06:35

1 stop23h 05m

£803

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Thu 14/5

14:20-18:00

2 stops21h 40m

Seoul Gimpo Intl

Thu 21/5

11:25-07:15

2 stops25h 50m

£842

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

£895

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Sat 23/5

15:30-12:25

1 stop14h 55m

Seoul Gimpo Intl

Tue 9/6

14:25-08:00

1 stop23h 35m

£985

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Thu 23/4

15:30-12:25

1 stop14h 55m

Seoul Gimpo Intl

Thu 30/4

13:30-11:15

2 stops27h 45m

£1,116

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Mon 18/5

11:00-19:50

2 stops26h 50m

Seoul Gimpo Intl

Sat 30/5

20:50-07:00

2 stops40h 10m

£1,160

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Thu 21/5

11:00-19:50

2 stops26h 50m

Seoul Gimpo Intl

Sat 30/5

20:50-07:00

2 stops40h 10m

£1,160

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 22 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 can get you from Istanbul Airport to Seoul Gimpo Intl Airport in just under 16h 05m. 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

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?

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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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