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Cheap flights from Istanbul Airport to Seoul Gimpo Intl Airport from £401

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
IST — GMP
7 Jul — 14 Jul1
1 adult

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 2 July 2025.

Round-trip from

£432

One-way from

£401

Popular in

August

Cheapest in

February

Average price

£387
China Southern
  • China Southern
  • 21/10-29/10
  • 2 total stops
  • 37h 20m total
  • Istanbul to Seoul
15/9
  • 15/9
  • 2 total stops
  • 20h 55m total
  • Istanbul to Seoul
Highest demand for flights based on searches. 25% potential increase in price (£112 potential increase over avg. return price).
Cheapest flight prices on average. 12% potential price decrease (£37 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Istanbul to Gimpo Intl

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 2 July 2025.

Tue 21/1016:00IST - GMP
1 stop14h 25mChina Southern
Wed 29/1013:45GMP - IST
1 stop22h 55mChina Southern
Deal found 2/7£432
Thu 4/916:00IST - GMP
1 stop14h 25mMultiple Airlines
Thu 11/912:00GMP - IST
1 stop26h 00mMultiple Airlines
Deal found 1/7£559
Mon 21/714:35IST - GMP
1 stop16h 30mAir China
Sun 3/814:25GMP - IST
1 stop23h 15mAir China
Deal found 1/7£597
Wed 10/914:00IST - GMP
1 stop23h 50mChina Eastern
Thu 18/912:00GMP - IST
1 stop26h 00mChina Eastern
Deal found 1/7£657

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 2 July 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 21/10

16:00-12:25

1 stop14h 25m

Seoul Gimpo Intl

Wed 29/10

13:45-06:40

1 stop22h 55m

£432

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Thu 4/9

16:00-12:25

1 stop14h 25m

Seoul Gimpo Intl

Thu 11/9

12:00-08:00

1 stop26h 00m

£559

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Mon 21/7

14:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Sun 3/8

14:25-07:40

1 stop23h 15m

£597

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Wed 10/9

14:00-19:50

1 stop23h 50m

Seoul Gimpo Intl

Thu 18/9

12:00-08:00

1 stop26h 00m

£657

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Mon 15/9

09:30-12:25

2 stops20h 55m

£401

IstanbulSeoul

IST - GMP

ISTGMP

Istanbul

Sun 14/9

01:30-13:05

1 stop29h 35m

£754

Flights are sorted by cheapest return flights first.

Deals found on 1/7

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 2 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Istanbul Airport to Seoul Gimpo Intl Airport as you normally would.

Reviews of airlines servicing Gimpo Intl

Get insights into the airlines that provide service to Gimpo Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Gimpo Intl. Reviews last updated 2 July 2025.
Check out reviews from past customers who have flown with China Southern, Air China, andChina Eastern from Istanbul Airport to Seoul Gimpo Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.6

Comfort

7.9

Food

7.4

Crew

8.3

Boarding

8.0

Entertainment

7.6

Reviews

1 / 3
10.0
Excellent

Puey cheng,Apr 2025

SIN - CAN

Seats are clean and comfortable. Most important, the leg room is wider than many other airlines

Overall

7.6

Comfort

7.9

Food

7.4

Crew

8.3

Boarding

8.0

Entertainment

7.6

Reviews

1 / 3
10.0
Excellent

Puey cheng,Apr 2025

SIN - CAN

Seats are clean and comfortable. Most important, the leg room is wider than many other airlines

Overall

7.6

Comfort

7.9

Food

7.4

Crew

8.3

Boarding

8.0

Entertainment

7.6

Reviews

1 / 3
10.0
Excellent

Puey cheng,Apr 2025

SIN - CAN

Seats are clean and comfortable. Most important, the leg room is wider than many other airlines

Overall

7.6

Comfort

7.9

Food

7.4

Crew

8.3

Boarding

8.0

Entertainment

7.6

Reviews

1 / 3
10.0
Excellent

Puey cheng,Apr 2025

SIN - CAN

Seats are clean and comfortable. Most important, the leg room is wider than many other airlines

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.
  • What are the cheapest airlines flying from Istanbul Airport to Seoul Gimpo Intl Airport round-trip?

    China Southern, at £432, was found to be the cheapest airline from Istanbul Airport to Seoul Gimpo Intl Airport.Alternate airlines flying return to your destination include Air China and China Eastern. Users have found that China Southern is 5% cheaper than the other options available to this destination.

  • 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

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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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