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Cheap flights from Seoul Gimpo Intl Airport to London from £139

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — LON
30 Dec — 6 Jan1
1 adult
1 adult, Economy, 0 bags

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 30 November 2025.

Mon 29/1214:25GMP - LGW
2 stops25h 30mAir China
Tue 6/111:05LGW - GMP
2 stops41h 00mAir China
Deal found 27/11£404
Tue 23/1214:25GMP - LGW
1 stop24h 10mAir China
Fri 16/111:35LGW - GMP
1 stop16h 30mAir China
Deal found 29/11£431
Mon 29/1214:25GMP - LGW
2 stops34h 00mMultiple Airlines
Tue 6/107:20LGW - GMP
2 stops20h 45mMultiple Airlines
Deal found 27/11£446
Fri 12/1214:25GMP - LGW
2 stops35h 00mMultiple Airlines
Tue 16/1207:20LGW - GMP
2 stops20h 45mMultiple Airlines
Deal found 28/11£462
Wed 24/1214:25GMP - LHR
1 stop34h 30mAir China
Wed 31/1220:25LHR - GMP
1 stop31h 40mAir China
Deal found 30/11£471
Tue 23/1214:25GMP - LHR
1 stop36h 25mAir China
Mon 5/120:25LHR - GMP
1 stop31h 40mAir China
Deal found 28/11£476
Sat 20/1206:25GMP - LGW
2 stops33h 05mMultiple Airlines
Thu 8/119:55LGW - GMP
3 stops32h 10mMultiple Airlines
Deal found 27/11£477
Tue 30/1214:25GMP - LGW
2 stops33h 05mMultiple Airlines
Tue 6/107:20LGW - GMP
2 stops20h 45mMultiple Airlines
Deal found 29/11£478
Sun 7/1214:25GMP - LGW
2 stops30h 45mMultiple Airlines
Sat 13/1221:05LGW - GMP
2 stops31h 00mMultiple Airlines
Deal found 28/11£480
Mon 1/1212:00GMP - LGW
2 stops35h 20mMultiple Airlines
Sun 7/1206:50LGW - GMP
3 stops28h 00mMultiple Airlines
Deal found 30/11£483
Fri 26/1214:25GMP - LHR
1 stop34h 30mAir China
Thu 8/117:40LHR - GMP
1 stop34h 25mAir China
Deal found 30/11£488
Thu 25/1214:25GMP - LGW
1 stop24h 10mAir China
Wed 31/1211:05LGW - GMP
2 stops41h 00mAir China
Deal found 29/11£496

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 30 November 2025.

Round-trip from

£405

One-way from

£139

Popular in

October

Cheapest in

June

Average price

£517
Air China
  • Air China
  • 12/5-11/6
  • 2 total stops
  • 40h 40m total
  • Seoul to London
Search Deals
Air China
  • Air China
  • 20/1
  • 2 total stops
  • 25h 30m total
  • Seoul to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 30 November 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

Tue 20/1

14:25-05:35

1 stop24h 10m

London Gatwick

Sun 25/1

11:35-13:05

1 stop16h 30m

£384

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Tue 20/1

14:25-05:35

1 stop24h 10m

London Gatwick

Wed 21/1

11:35-13:05

1 stop16h 30m

£384

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Mon 29/12

14:25-06:55

2 stops25h 30m

London Gatwick

Tue 6/1

11:05-13:05

2 stops41h 00m

£404

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Tue 12/5

14:25-06:35

1 stop24h 10m

London Gatwick

Thu 11/6

12:35-13:05

1 stop16h 30m

£406

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Fri 22/5

14:25-06:35

1 stop24h 10m

London Gatwick

Tue 26/5

12:35-13:05

1 stop16h 30m

£406

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Mon 2/3

14:25-06:55

2 stops25h 30m

London Gatwick

Mon 16/3

11:05-13:05

2 stops41h 00m

£412

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Mon 2/3

14:25-06:55

2 stops25h 30m

London Gatwick

Tue 17/3

11:05-13:05

2 stops41h 00m

£412

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 19/1

14:25-17:50

1 stop36h 25m

London Heathrow

Tue 27/1

17:40-13:05

1 stop34h 25m

£415

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Tue 20/1

14:25-05:35

1 stop24h 10m

London Gatwick

Fri 23/1

11:35-13:05

1 stop16h 30m

£417

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 2/3

14:25-17:50

1 stop36h 25m

London Heathrow

Wed 11/3

20:25-13:05

1 stop31h 40m

£417

Flights are sorted by cheapest return flights first.

Deals found on 30/11

Showing 1-10 of 53 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 £533.

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.

Which airline has the best punctuality record on Seoul to London flights?

Over the past year, Korean Air have had the lowest number of delays on this route, with no flights being classified as delayed.

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 24h 10m. Air China provides one of the quickest options available for as low as £384. Airlines will cover a distance of 5515 mi.

  • 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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