Cheap flights from Seoul Gimpo Intl Airport to London from £225

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — LON
23 Aug — 30 Aug1
1 adult

Cheap flight deals from Gimpo Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Gimpo Intl (GMP) to London (LON). 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 18 August 2025.

Round-trip from

£501

One-way from

£225

Popular in

April

Cheapest in

May

Average price

£625
China Southern
  • China Southern
  • 15/11-19/11
  • 2 total stops
  • 67h 05m total
  • Seoul to London
11/9
  • 11/9
  • 3 total stops
  • 43h 10m total
  • Seoul to London
High demand for flights, 2% potential price rise
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from Gimpo Intl to London

Cheapest flights from Gimpo Intl to London
Explore the most affordable flight options available from Gimpo Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2025.

Sat 15/1113:45GMP - LHR
1 stop37h 10mChina Southern
Wed 19/1121:30LHR - GMP
1 stop29h 55mChina Southern
Deal found 17/8£501
Sat 25/1013:30GMP - LHR
1 stop37h 25mChina Southern
Wed 29/1021:30LHR - GMP
1 stop29h 55mChina Southern
Deal found 18/8£502
Wed 10/914:25GMP - LGW
1 stop24h 10mAir China
Thu 18/912:35LGW - GMP
1 stop16h 30mAir China
Deal found 17/8£503
Sun 31/812:00GMP - LHR
1 stop38h 40mChina Eastern
Sun 7/921:20LHR - GMP
1 stop29h 40mChina Eastern
Deal found 16/8£503
Sat 6/912:00GMP - LGW
1 stop36h 00mChina Eastern
Wed 24/918:25LGW - GMP
1 stop17h 25mChina Eastern
Deal found 15/8£504
Fri 5/914:25GMP - LGW
1 stop24h 10mAir China
Mon 8/912:35LGW - GMP
1 stop16h 30mAir China
Deal found 16/8£505
Mon 1/914:25GMP - LGW
1 stop24h 10mAir China
Mon 8/911:15LGW - GMP
2 stops41h 50mAir China
Deal found 16/8£506
Mon 8/914:25GMP - LGW
1 stop24h 10mAir China
Fri 12/912:35LGW - GMP
1 stop16h 30mAir China
Deal found 17/8£507
Thu 21/812:00GMP - LHR
1 stop38h 40mChina Eastern
Sat 6/921:20LHR - GMP
1 stop29h 40mChina Eastern
Deal found 17/8£507
Tue 9/914:25GMP - LGW
1 stop24h 10mAir China
Sat 4/1012:35LGW - GMP
1 stop16h 30mAir China
Deal found 16/8£507
Sat 25/1013:30GMP - LHR
1 stop37h 25mChina Southern
Fri 31/1021:30LHR - GMP
1 stop29h 55mChina Southern
Deal found 17/8£508
Wed 10/914:25GMP - LHR
1 stop14h 05mMultiple Airlines
Tue 16/921:20LHR - GMP
1 stop29h 40mMultiple Airlines
Deal found 17/8£509

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gimpo Intl to London 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 18 August 2025.
Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to London that are best for you.

Fly from

Gimpo Intl

Fly to

London

Route

Depart

Return

Price

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Wed 17/9

20:50-15:00

1 stop26h 10m

London Gatwick

Sun 21/9

19:00-19:50

1 stop16h 50m

£503

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Wed 10/9

14:25-06:35

1 stop24h 10m

London Gatwick

Tue 16/9

12:35-13:05

1 stop16h 30m

£503

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Wed 17/9

20:50-15:00

1 stop26h 10m

London Gatwick

Wed 24/9

18:25-19:50

1 stop17h 25m

£503

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Fri 19/12

13:45-15:30

2 stops34h 45m

London Gatwick

Wed 31/12

11:35-13:05

1 stop16h 30m

£504

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Thu 11/9

14:25-06:35

1 stop24h 10m

London Gatwick

Mon 15/9

12:35-13:05

1 stop16h 30m

£504

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Fri 28/11

12:00-06:30

1 stop27h 30m

London Gatwick

Sun 30/11

17:00-11:00

1 stop33h 00m

£504

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Sat 6/9

14:25-06:35

1 stop24h 10m

London Gatwick

Tue 9/9

12:35-13:05

1 stop16h 30m

£504

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Wed 10/9

14:25-06:35

1 stop24h 10m

London Gatwick

Sun 14/9

12:35-13:05

1 stop16h 30m

£504

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Sat 6/9

12:00-16:00

1 stop36h 00m

London Gatwick

Wed 24/9

18:25-19:50

1 stop17h 25m

£504

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Tue 23/9

14:25-06:35

1 stop24h 10m

London Gatwick

Tue 21/10

12:35-13:05

1 stop16h 30m

£504

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 57 results
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Best time to book a flight from Gimpo Intl to London

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

What’s the top stopover airport for flights from Seoul Gimpo Intl Airport to London?

Share of one-stop return flights from Seoul Gimpo Intl Airport to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Beijing (PEK) – chosen by Cheapflights users on 50% of one-stop itineraries from Seoul Gimpo Intl Airport to London on Cheapflights.

What’s the cheapest stopover airport for flights from Seoul Gimpo Intl Airport to London?

Average return fare for one-stop flights from Seoul Gimpo Intl Airport to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Beijing (PEK) is the most affordable one-stop option, with an average return flight price of £521.

What’s the fastest stopover option from Seoul Gimpo Intl Airport to London?

Shortest average travel time for one-stop one-way flights from Seoul Gimpo Intl Airport to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Beijing (PEK) have the shortest average one-way travel time for one-stop routes: 14h 05m.

Which airport typically offers the quickest stopover for flights from Seoul Gimpo Intl Airport to London?

Average stopover duration for one-stop one-way flights from Seoul Gimpo Intl Airport to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Helsinki (HEL) offer the fastest connection on this route, with an average stopover time of 2h 15m.

Related info for your journey

Find useful and relevant information for your journey from Gimpo Intl to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the most popular routes from Seoul Gimpo Intl Airport to London?

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Seoul Gimpo Intl Airport to London?

    Currently, January is the cheapest month in which you can book a flight from Seoul Gimpo Intl Airport to London (average of £112). Flying from Seoul Gimpo Intl Airport to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Certainly. Search results for flights to London from Gimpo Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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