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Cheap flights from Istanbul Airport to Seoul Gimpo Intl Airport from £399

This is the cheapest retur 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
29 Mar — 5 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 27 February 2026.

Thu 12/315:20
IST
-
GMP
1 stop15h 05m
China Southern
Mon 16/313:30
GMP
-
IST
1 stop23h 10m
China Southern
Deal found 24/2£399
Mon 1/615:30
IST
-
GMP
1 stop14h 55m
China Southern
Sun 21/613:30
GMP
-
IST
1 stop23h 05m
China Southern
Deal found 27/2£442
Wed 11/314:55
IST
-
GMP
1 stop16h 10m
Air China
Tue 17/314:25
GMP
-
IST
1 stop23h 55m
Air China
Deal found 24/2£491
Wed 11/314:55
IST
-
GMP
1 stop16h 10m
Air China
Thu 19/314:25
GMP
-
IST
1 stop23h 55m
Air China
Deal found 24/2£498
Wed 11/314:55
IST
-
GMP
1 stop17h 15m
Multiple Airlines
Mon 16/313:30
GMP
-
IST
1 stop23h 10m
Multiple Airlines
Deal found 24/2£505
Sun 15/314:55
IST
-
GMP
1 stop17h 15m
Multiple Airlines
Fri 20/313:30
GMP
-
IST
1 stop23h 10m
Multiple Airlines
Deal found 24/2£506
Thu 12/315:20
IST
-
GMP
1 stop15h 05m
China Southern
Wed 18/313:30
GMP
-
IST
1 stop23h 10m
China Southern
Deal found 24/2£545
Wed 11/314:55
IST
-
GMP
1 stop17h 15m
Multiple Airlines
Wed 18/313:30
GMP
-
IST
1 stop23h 10m
Multiple Airlines
Deal found 24/2£564
Thu 12/315:20
IST
-
GMP
1 stop15h 05m
Multiple Airlines
Tue 17/314:25
GMP
-
IST
1 stop23h 55m
Multiple Airlines
Deal found 24/2£567
Sat 14/315:20
IST
-
GMP
1 stop15h 05m
China Southern
Fri 20/313:30
GMP
-
IST
1 stop23h 10m
China Southern
Deal found 24/2£600
Tue 10/315:20
IST
-
GMP
1 stop15h 05m
China Southern
Fri 20/313:30
GMP
-
IST
1 stop23h 10m
China Southern
Deal found 24/2£601
Fri 13/314:55
IST
-
GMP
1 stop16h 10m
Air China
Thu 19/314:25
GMP
-
IST
1 stop23h 55m
Air China
Deal found 24/2£635

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 27 February 2026.

Round-trip from

£399

Popular in

October

Cheapest in

January

Average price

£470
China Southern
  • China Southern
  • 12/3-20/3
  • 2 total stops
  • 38h 15m total
  • Istanbul to Seoul
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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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 February 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

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Thu 12/3

15:20-12:25

1 stop15h 05m

Seoul Gimpo Intl

Fri 20/3

13:30-06:40

1 stop23h 10m

£399

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Mon 1/6

15:30-12:25

1 stop14h 55m

Seoul Gimpo Intl

Sun 21/6

13:30-06:35

1 stop23h 05m

£442

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Fri 22/5

09:25-15:00

3 stops23h 35m

Seoul Gimpo Intl

Sun 7/6

13:30-06:30

1 stop23h 00m

£650

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Fri 10/4

15:00-13:05

1 stop16h 05m

Seoul Gimpo Intl

Fri 17/4

07:20-08:00

2 stops30h 40m

£699

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Thu 12/3

15:20-12:25

1 stop15h 05m

Seoul Gimpo Intl

Tue 17/3

15:40-20:50

3 stops35h 10m

£703

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Fri 13/3

12:30-12:25

2 stops17h 55m

Seoul Gimpo Intl

Wed 18/3

13:30-06:40

1 stop23h 10m

£774

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Sat 15/8

11:00-19:50

2 stops26h 50m

Seoul Gimpo Intl

Tue 18/8

20:50-07:00

2 stops40h 10m

£792

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Thu 21/5

00:30-12:25

2 stops29h 55m

Seoul Gimpo Intl

Sun 7/6

13:30-06:30

1 stop23h 00m

£812

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Mon 1/6

07:30-18:10

2 stops28h 40m

Seoul Gimpo Intl

Sat 6/6

13:50-13:25

3 stops29h 35m

£1,099

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Mon 23/3

07:55-18:00

2 stops28h 05m

Seoul Gimpo Intl

Sat 20/6

13:50-14:35

2 stops30h 45m

£1,425

Flights are sorted by cheapest return flights first.

Deals found on 27/2

Showing 1-10 of 20 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?

    China Southern can get you from Istanbul Airport to Seoul Gimpo Intl Airport in just under 15h 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

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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.
Istanbul to Incheon Intl flights

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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