What is the cheapest airline that flies from Seoul Gimpo Intl to London Heathrow?

EVA Air and Japan Airlines are the most popular carriers operating from Seoul Gimpo Intl to London Heathrow

How old do you have to be to fly from Seoul Gimpo Intl Airport to London Heathrow Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul Gimpo Intl Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£234 Cheap Flights from Seoul Gimpo Intl Airport to London Heathrow Airport in 2026

Find the cheapest flights from Seoul Gimpo Intl Airport to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:30 - 18:05GMP Seoul Gimpo Intl-LHR London Heathrow

36h 35m1 stop Beijing Daxing Intl

21:00 - 12:25LHR London Heathrow-GMP Seoul Gimpo Intl

31h 25m1 stop Beijing Daxing Intl

£507China Southern

Fri, 11 Sep - Sat, 19 Sep

13:30 - 18:05GMP Seoul Gimpo Intl-LHR London Heathrow

36h 35m1 stop Beijing Daxing Intl

21:00 - 12:25LHR London Heathrow-GMP Seoul Gimpo Intl

31h 25m1 stop Beijing Daxing Intl

£508China Southern

Sat, 10 Oct - Tue, 20 Oct

13:30 - 18:05GMP Seoul Gimpo Intl-LHR London Heathrow

36h 35m1 stop Beijing Daxing Intl

21:00 - 12:25LHR London Heathrow-GMP Seoul Gimpo Intl

31h 25m1 stop Beijing Daxing Intl

£514China Southern

Tue, 8 Sep - Tue, 15 Sep

13:30 - 18:05GMP Seoul Gimpo Intl-LHR London Heathrow

36h 35m1 stop Beijing Daxing Intl

06:50 - 13:05LHR London Heathrow-GMP Seoul Gimpo Intl

21h 15m2 stops Brussels Bruxelles-National Beijing Capital

£524Multiple Airlines

Wed, 21 Oct - Fri, 20 Nov

14:25 - 17:50GMP Seoul Gimpo Intl-LHR London Heathrow

36h 25m1 stop Beijing Capital

17:40 - 13:05LHR London Heathrow-GMP Seoul Gimpo Intl

34h 25m1 stop Beijing Capital

£526Air China

Mon, 9 Nov - Mon, 16 Nov

14:25 - 15:55GMP Seoul Gimpo Intl-LHR London Heathrow

34h 30m1 stop Beijing Capital

20:25 - 13:05LHR London Heathrow-GMP Seoul Gimpo Intl

31h 40m1 stop Beijing Capital

£528Air China

Mon, 9 Nov - Mon, 16 Nov

14:25 - 17:50GMP Seoul Gimpo Intl-LHR London Heathrow

36h 25m1 stop Beijing Capital

17:40 - 13:05LHR London Heathrow-GMP Seoul Gimpo Intl

34h 25m1 stop Beijing Capital

£528Air China

Mon, 9 Nov - Mon, 16 Nov

14:25 - 15:55GMP Seoul Gimpo Intl-LHR London Heathrow

34h 30m1 stop Beijing Capital

20:25 - 13:05LHR London Heathrow-GMP Seoul Gimpo Intl

31h 40m1 stop Beijing Capital

£529Air China

Sat, 7 Nov - Sun, 15 Nov

14:25 - 15:55GMP Seoul Gimpo Intl-LHR London Heathrow

34h 30m1 stop Beijing Capital

20:25 - 13:05LHR London Heathrow-GMP Seoul Gimpo Intl

31h 40m1 stop Beijing Capital

£532Air China

Tue, 10 Nov - Wed, 18 Nov

14:25 - 15:55GMP Seoul Gimpo Intl-LHR London Heathrow

34h 30m1 stop Beijing Capital

20:25 - 13:05LHR London Heathrow-GMP Seoul Gimpo Intl

31h 40m1 stop Beijing Capital

£534Air China

Fri, 6 Nov - Mon, 16 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

20:50 - 18:40GMP Seoul Gimpo Intl-LHR London Heathrow

29h 50m1 stop Shanghai Hongqiao Intl

21:20 - 11:00LHR London Heathrow-GMP Seoul Gimpo Intl

29h 40m1 stop Shanghai Pu Dong

£667China Eastern

Thu, 13 Aug - Fri, 21 Aug

20:50 - 18:40GMP Seoul Gimpo Intl-LHR London Heathrow

29h 50m1 stop Shanghai Hongqiao Intl

21:20 - 11:00LHR London Heathrow-GMP Seoul Gimpo Intl

29h 40m1 stop Shanghai Pu Dong

£675China Eastern

Mon, 10 Aug - Sun, 23 Aug

13:30 - 18:05GMP Seoul Gimpo Intl-LHR London Heathrow

36h 35m1 stop Beijing Daxing Intl

21:00 - 12:25LHR London Heathrow-GMP Seoul Gimpo Intl

31h 25m1 stop Beijing Daxing Intl

£1,145China Southern

Thu, 13 Aug - Sun, 23 Aug

13:30 - 18:05GMP Seoul Gimpo Intl-LHR London Heathrow

36h 35m1 stop Beijing Daxing Intl

21:00 - 12:25LHR London Heathrow-GMP Seoul Gimpo Intl

31h 25m1 stop Beijing Daxing Intl

£1,213China Southern

Thu, 13 Aug - Sun, 23 Aug

08:00 - 06:25GMP Seoul Gimpo Intl-LHR London Heathrow

30h 25m1 stop Tokyo Haneda

19:20 - 21:15LHR London Heathrow-GMP Seoul Gimpo Intl

17h 55m1 stop Tokyo Haneda

£1,218Japan Airlines

Thu, 13 Aug - Sun, 23 Aug

08:00 - 06:25GMP Seoul Gimpo Intl-LHR London Heathrow

30h 25m1 stop Tokyo Haneda

09:10 - 17:55LHR London Heathrow-GMP Seoul Gimpo Intl

24h 45m1 stop Tokyo Haneda

£1,220Japan Airlines

Thu, 13 Aug - Wed, 19 Aug

08:00 - 06:25GMP Seoul Gimpo Intl-LHR London Heathrow

30h 25m1 stop Tokyo Haneda

09:10 - 17:55LHR London Heathrow-GMP Seoul Gimpo Intl

24h 45m1 stop Tokyo Haneda

£1,234Japan Airlines

Thu, 13 Aug - Wed, 19 Aug

08:00 - 06:25GMP Seoul Gimpo Intl-LHR London Heathrow

30h 25m1 stop Tokyo Haneda

19:20 - 21:15LHR London Heathrow-GMP Seoul Gimpo Intl

17h 55m1 stop Tokyo Haneda

£1,245Japan Airlines

Thu, 13 Aug - Wed, 19 Aug

08:00 - 06:25GMP Seoul Gimpo Intl-LHR London Heathrow

30h 25m1 stop Tokyo Haneda

09:10 - 17:55LHR London Heathrow-GMP Seoul Gimpo Intl

24h 45m1 stop Tokyo Haneda

£1,249Japan Airlines

Thu, 13 Aug - Wed, 19 Aug

08:00 - 06:25GMP Seoul Gimpo Intl-LHR London Heathrow

30h 25m1 stop Tokyo Haneda

19:20 - 21:15LHR London Heathrow-GMP Seoul Gimpo Intl

17h 55m1 stop Tokyo Haneda

£1,253Japan Airlines

Thu, 13 Aug - Sun, 23 Aug

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Air China flights from Seoul Gimpo Intl Airport to London Heathrow Airport

Our best Air China deals on Seoul Gimpo Intl Airport to London Heathrow Airport flight tickets

Air China

9 Nov

GMP14:25Seoul Gimpo Intl

36h 25m

1 stop

LHR17:50London Heathrow

16 Nov

LHR17:40London Heathrow

34h 25m

1 stop

GMP13:05Seoul Gimpo Intl

£526

Air China

9 Nov

GMP14:25Seoul Gimpo Intl

34h 30m

1 stop

LHR15:55London Heathrow

16 Nov

LHR20:25London Heathrow

31h 40m

1 stop

GMP13:05Seoul Gimpo Intl

£528

Air China

9 Nov

GMP14:25Seoul Gimpo Intl

36h 25m

1 stop

LHR17:50London Heathrow

16 Nov

LHR17:40London Heathrow

34h 25m

1 stop

GMP13:05Seoul Gimpo Intl

£528

China Southern flights from Seoul Gimpo Intl Airport to London Heathrow Airport

Our best China Southern deals on Seoul Gimpo Intl Airport to London Heathrow Airport flight tickets

China Southern

11 Sept

GMP13:30Seoul Gimpo Intl

36h 35m

1 stop

LHR18:05London Heathrow

19 Sept

LHR21:00London Heathrow

31h 25m

1 stop

GMP12:25Seoul Gimpo Intl

£507

China Southern

10 Oct

GMP13:30Seoul Gimpo Intl

36h 35m

1 stop

LHR18:05London Heathrow

20 Oct

LHR21:00London Heathrow

31h 25m

1 stop

GMP12:25Seoul Gimpo Intl

£508

China Southern

8 Sept

GMP13:30Seoul Gimpo Intl

36h 35m

1 stop

LHR18:05London Heathrow

15 Sept

LHR21:00London Heathrow

31h 25m

1 stop

GMP12:25Seoul Gimpo Intl

£514

momondo Fare Finder

Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeoulLondon

GMP Seoul Gimpo Intl - LHR London Heathrow

GMPLHR

Seoul Gimpo Intl

Fri 11/9

13:30-18:05

1 stop36h 35m

London Heathrow

Sat 19/9

21:00-12:25

1 stop31h 25m

£507

SeoulLondon

GMP Seoul Gimpo Intl - LHR London Heathrow

GMPLHR

Seoul Gimpo Intl

Sat 10/10

13:30-18:05

1 stop36h 35m

London Heathrow

Tue 20/10

21:00-12:25

1 stop31h 25m

£508

SeoulLondon

GMP Seoul Gimpo Intl - LHR London Heathrow

GMPLHR

Seoul Gimpo Intl

Tue 8/9

13:30-18:05

1 stop36h 35m

London Heathrow

Tue 15/9

21:00-12:25

1 stop31h 25m

£514

Fastest return journey

SeoulLondon

GMP Seoul Gimpo Intl - LHR London Heathrow

GMPLHR

Seoul Gimpo Intl

Wed 21/10

13:30-18:05

1 stop36h 35m

London Heathrow

Fri 20/11

06:50-13:05

2 stops21h 15m

£524

SeoulLondon

GMP Seoul Gimpo Intl - LHR London Heathrow

GMPLHR

Seoul Gimpo Intl

Mon 9/11

14:25-17:50

1 stop36h 25m

London Heathrow

Mon 16/11

17:40-13:05

1 stop34h 25m

£526

SeoulLondon

GMP Seoul Gimpo Intl - LHR London Heathrow

GMPLHR

Seoul Gimpo Intl

Mon 9/11

14:25-15:55

1 stop34h 30m

London Heathrow

Mon 16/11

20:25-13:05

1 stop31h 40m

£528

SeoulLondon

GMP Seoul Gimpo Intl - LHR London Heathrow

GMPLHR

Seoul Gimpo Intl

Mon 9/11

14:25-17:50

1 stop36h 25m

London Heathrow

Mon 16/11

17:40-13:05

1 stop34h 25m

£528

SeoulLondon

GMP Seoul Gimpo Intl - LHR London Heathrow

GMPLHR

Seoul Gimpo Intl

Sat 7/11

14:25-15:55

1 stop34h 30m

London Heathrow

Sun 15/11

20:25-13:05

1 stop31h 40m

£529

SeoulLondon

GMP Seoul Gimpo Intl - LHR London Heathrow

GMPLHR

Seoul Gimpo Intl

Tue 10/11

14:25-15:55

1 stop34h 30m

London Heathrow

Wed 18/11

20:25-13:05

1 stop31h 40m

£532

SeoulLondon

GMP Seoul Gimpo Intl - LHR London Heathrow

GMPLHR

Seoul Gimpo Intl

Fri 6/11

14:25-15:55

1 stop34h 30m

London Heathrow

Mon 16/11

20:25-13:05

1 stop31h 40m

£534

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Seoul Gimpo Intl Airport is on a Monday. momondo users have found tickets for Monday departures for as low as £586. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Thursday is £744.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Seoul Gimpo Intl Airport to London Heathrow Airport in the morning for as low as £652. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £692 on average. Flights to London Heathrow Airport from Seoul Gimpo Intl Airport at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Seoul Gimpo Intl Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul Gimpo Intl Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Seoul Gimpo Intl Airport to London Heathrow Airport (GMP to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to London Heathrow Airport

Fastest flight time	19h 45m
Direct flights	None

The fastest flight from Seoul Gimpo Intl Airport to London Heathrow Airport takes 19h 45m

There are no direct flights from Seoul Gimpo Intl Airport to London Heathrow Airport. There are no popular flight routes from Seoul Gimpo Intl Airport to London Heathrow Airport.

Search flight deals

Frequently asked questions about flying from Seoul Gimpo Intl Airport to London Heathrow Airport

How far is Seoul Gimpo Intl to London Heathrow by plane?
The distance between Seoul Gimpo Intl and London Heathrow is about 5506.0 mi. A reasonable flight in good conditions will take 19h 45m.
When did momondo last update prices for flights from Seoul Gimpo Intl Airport to London Heathrow Airport?
Prices for flights from Seoul Gimpo Intl Airport to London Heathrow Airport are refreshed on a daily basis.
How old do you have to be to fly from Seoul Gimpo Intl Airport to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul Gimpo Intl Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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momondo does allow users to show only those flights to London from Seoul which offer a flexible booking policy as well as other useful filters and features.

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If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Seoul and alert you when they change.