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Cheap flights from Seoul Gimpo Intl Airport to London from £138

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — LON
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

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 16 January 2026.

Round-trip from

£386

One-way from

£138

Popular in

October

Cheapest in

June

Average price

£545
China Eastern
  • China Eastern
  • 28/1-1/2
  • 2 total stops
  • 36h 30m total
  • Seoul to London
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China Eastern
  • China Eastern
  • 18/3
  • 1 total stop
  • 27h 30m total
  • Seoul to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£55 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Find flight deals from Gimpo Intl to London

Enter your travel dates to find the best prices.

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 16 January 2026.

Wed 28/120:50
GMP
-
LGW
1 stop18h 40m
China Eastern
Sun 1/217:00
LGW
-
GMP
1 stop17h 50m
China Eastern
Deal found 14/1£386
Mon 2/320:50
GMP
-
LGW
1 stop26h 10m
China Eastern
Sun 15/317:00
LGW
-
GMP
1 stop17h 50m
China Eastern
Deal found 14/1£392
Wed 21/120:50
GMP
-
LHR
1 stop29h 40m
Multiple Airlines
Sun 25/121:30
LHR
-
GMP
1 stop29h 55m
Multiple Airlines
Deal found 14/1£396
Thu 12/313:30
GMP
-
LHR
1 stop37h 25m
China Southern
Mon 16/321:30
LHR
-
GMP
1 stop29h 55m
China Southern
Deal found 13/1£406
Thu 5/320:50
GMP
-
LGW
1 stop18h 40m
China Eastern
Sun 8/310:30
LGW
-
GMP
1 stop24h 20m
China Eastern
Deal found 13/1£409
Mon 2/314:25
GMP
-
LHR
1 stop36h 30m
Air China
Wed 11/317:40
LHR
-
GMP
1 stop34h 25m
Air China
Deal found 14/1£411
Wed 21/120:50
GMP
-
LGW
1 stop26h 10m
China Eastern
Wed 28/117:00
LGW
-
GMP
1 stop17h 50m
China Eastern
Deal found 15/1£412
Wed 28/120:50
GMP
-
LHR
1 stop29h 40m
Multiple Airlines
Sun 1/221:30
LHR
-
GMP
1 stop29h 55m
Multiple Airlines
Deal found 14/1£420
Thu 22/120:50
GMP
-
LHR
1 stop29h 40m
China Eastern
Sat 31/121:00
LHR
-
GMP
1 stop29h 00m
China Eastern
Deal found 14/1£421
Mon 2/314:25
GMP
-
LHR
1 stop34h 30m
Multiple Airlines
Sun 15/321:30
LHR
-
GMP
1 stop29h 55m
Multiple Airlines
Deal found 14/1£438
Thu 26/313:30
GMP
-
LHR
1 stop37h 25m
China Southern
Sat 4/421:00
LHR
-
GMP
1 stop31h 25m
China Southern
Deal found 15/1£438
Thu 5/314:25
GMP
-
LHR
1 stop34h 30m
Multiple Airlines
Sun 8/321:00
LHR
-
GMP
1 stop29h 00m
Multiple Airlines
Deal found 13/1£450

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 16 January 2026.
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

Mon 2/3

20:50-14:00

1 stop26h 10m

London Gatwick

Sun 15/3

17:00-19:50

1 stop17h 50m

£392

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Thu 12/3

13:30-17:55

1 stop37h 25m

London Heathrow

Mon 16/3

21:30-12:25

1 stop29h 55m

£406

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Thu 5/3

20:50-06:30

1 stop18h 40m

London Gatwick

Sun 8/3

10:30-19:50

1 stop24h 20m

£409

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Thu 5/3

14:25-15:55

1 stop34h 30m

London Heathrow

Sun 8/3

21:00-11:00

1 stop29h 00m

£450

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sun 8/3

14:25-15:55

1 stop34h 30m

London Heathrow

Sun 15/3

21:30-12:25

1 stop29h 55m

£471

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 2/3

14:25-15:55

1 stop34h 30m

London Heathrow

Mon 9/3

17:40-13:05

1 stop34h 25m

£474

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Mon 2/3

14:25-06:55

2 stops49h 30m

London Gatwick

Mon 9/3

11:05-13:05

2 stops41h 00m

£489

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Thu 19/3

13:30-17:55

1 stop37h 25m

London Heathrow

Thu 16/4

21:00-12:25

1 stop31h 25m

£508

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Thu 29/1

12:00-10:15

2 stops31h 15m

London Gatwick

Mon 2/2

14:30-11:00

2 stops35h 30m

£509

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Fri 13/3

08:50-21:00

2 stops21h 10m

London Heathrow

Sun 22/3

20:15-14:10

2 stops56h 55m

£542

Flights are sorted by cheapest return flights first.

Deals found on 13/1

Showing 1-10 of 58 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 £527.

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.

How often are flights from Seoul to London delayed?

About 0% of weekly flights between Seoul and London have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for Seoul to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

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.

  • How long is the flight from Seoul Gimpo Intl Airport to London?

    A quick flight from Seoul Gimpo Intl Airport to London can take about 26h 10m. China Eastern provides one of the quickest options available for as low as £392. Airlines will cover a distance of 5515 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Seoul Gimpo Intl Airport to London?

    When deciding which route to take from Seoul Gimpo Intl Airport to London consider Seoul Gimpo Intl - London Heathrow, Seoul Gimpo Intl - London Gatwick or Seoul Gimpo Intl - London City as they are the most popular.

  • 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.

See more FAQs

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Can Cheapflights find flights from Gimpo Intl to London with no change fees?

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.

Can Cheapflights notify me if prices for flights from Gimpo Intl to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Gimpo Intl today and book when prices fit your budget.

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