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

Air China and China Eastern are the most popular carriers operating from Seoul Gimpo Intl to London

When did momondo last update prices for flights from Seoul Gimpo Intl Airport to London?

Prices for flights from Seoul Gimpo Intl Airport to London are refreshed on a daily basis.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to London.

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

The travel and health documents you'll need for your trip to London 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£158 Cheap Flights from Seoul Gimpo Intl Airport to London in 2025/26

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Find the cheapest flights from Seoul Gimpo Intl Airport to London

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One-way

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Enter your travel dates to find the best prices.

14:25 - 15:55GMP-LHR

34h 30m1 stop

20:25 - 13:05LHR-GMP

31h 40m1 stop

£404Air China

Find Deal

Tue, 18 Nov - Tue, 25 Nov

20:50 - 17:30GMP-LHR

29h 40m1 stop

21:30 - 12:25LHR-GMP

29h 55m1 stop

£408Multiple Airlines

Find Deal

Tue, 18 Nov - Sat, 29 Nov

12:00 - 06:30GMP-LGW

27h 30m1 stop

17:00 - 19:50LGW-GMP

17h 50m1 stop

£416China Eastern

Find Deal

Mon, 1 Dec - Fri, 5 Dec

14:25 - 06:55GMP-LGW

25h 30m2 stops

11:35 - 13:05LGW-GMP

16h 30m1 stop

£418Air China

Find Deal

Sun, 14 Dec - Sun, 11 Jan

13:30 - 17:55GMP-LHR

37h 25m1 stop

21:30 - 12:25LHR-GMP

29h 55m1 stop

£420China Southern

Find Deal

Wed, 24 Dec - Tue, 6 Jan

12:00 - 06:30GMP-LGW

27h 30m1 stop

17:00 - 11:00LGW-GMP

33h 00m1 stop

£425China Eastern

Find Deal

Mon, 1 Dec - Sat, 6 Dec

14:25 - 15:55GMP-LHR

34h 30m1 stop

20:25 - 13:05LHR-GMP

31h 40m1 stop

£428Air China

Find Deal

Wed, 28 Jan - Mon, 2 Feb

14:25 - 15:55GMP-LHR

34h 30m1 stop

17:40 - 13:05LHR-GMP

34h 25m1 stop

£431Air China

Find Deal

Fri, 21 Nov - Thu, 27 Nov

14:25 - 13:50GMP-LGW

32h 25m2 stops

06:45 - 13:05LGW-GMP

21h 20m2 stops

£435Multiple Airlines

Find Deal

Mon, 19 Jan - Thu, 29 Jan

13:25 - 18:05GMP-LHR

36h 40m1 stop

21:00 - 12:25LHR-GMP

31h 25m1 stop

£489China Southern

Find Deal

Sat, 4 Apr - Sat, 11 Apr

Air China flights from Seoul Gimpo Intl Airport to London

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

Air China

18 Nov

GMP14:25Seoul Gimpo Intl

34h 30m

1 stop

LHR15:55London Heathrow

25 Nov

LHR20:25London Heathrow

31h 40m

1 stop

GMP13:05Seoul Gimpo Intl

£404

Find similar

Air China

18 Nov

GMP14:25Seoul Gimpo Intl

36h 25m

1 stop

LHR17:50London Heathrow

25 Nov

LHR17:40London Heathrow

34h 25m

1 stop

GMP13:05Seoul Gimpo Intl

£415

Find similar

Air China

12 Nov

GMP14:25Seoul Gimpo Intl

34h 30m

1 stop

LHR15:55London Heathrow

17 Nov

LHR20:25London Heathrow

31h 40m

1 stop

GMP13:05Seoul Gimpo Intl

£416

Find similar

China Southern flights from Seoul Gimpo Intl Airport to London

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

China Southern

24 Dec

GMP13:30Seoul Gimpo Intl

37h 25m

1 stop

LHR17:55London Heathrow

6 Jan

LHR21:30London Heathrow

29h 55m

1 stop

GMP12:25Seoul Gimpo Intl

£420

Find similar

China Southern

4 Apr

GMP13:25Seoul Gimpo Intl

36h 40m

1 stop

LHR18:05London Heathrow

11 Apr

LHR21:00London Heathrow

31h 25m

1 stop

GMP12:25Seoul Gimpo Intl

£489

Find similar

China Southern

3 Apr

GMP13:25Seoul Gimpo Intl

36h 40m

1 stop

LHR18:05London Heathrow

11 Apr

LHR21:00London Heathrow

31h 25m

1 stop

GMP12:25Seoul Gimpo Intl

£496

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Tue 18/11

14:25-15:55

1 stop34h 30m

London Heathrow

Tue 25/11

20:25-13:05

1 stop31h 40m

£404

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Tue 18/11

20:50-17:30

1 stop29h 40m

London Heathrow

Sat 29/11

21:30-12:25

1 stop29h 55m

£408

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Mon 1/12

12:00-06:30

1 stop27h 30m

London Gatwick

Fri 5/12

17:00-19:50

1 stop17h 50m

£416

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Sun 14/12

14:25-06:55

2 stops25h 30m

London Gatwick

Sun 11/1

11:35-13:05

1 stop16h 30m

£418

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 24/12

13:30-17:55

1 stop37h 25m

London Heathrow

Tue 6/1

21:30-12:25

1 stop29h 55m

£420

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Mon 1/12

12:00-06:30

1 stop27h 30m

London Gatwick

Sat 6/12

17:00-11:00

1 stop33h 00m

£425

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 28/1

14:25-15:55

1 stop34h 30m

London Heathrow

Mon 2/2

20:25-13:05

1 stop31h 40m

£428

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Fri 21/11

14:25-15:55

1 stop34h 30m

London Heathrow

Thu 27/11

17:40-13:05

1 stop34h 25m

£431

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Mon 19/1

14:25-13:50

2 stops32h 25m

London Gatwick

Thu 29/1

06:45-13:05

2 stops21h 20m

£435

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sat 4/4

13:25-18:05

1 stop36h 40m

London Heathrow

Sat 11/4

21:00-12:25

1 stop31h 25m

£489

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

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?

Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £577. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Seoul Gimpo Intl Airport to London for around £803.

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

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £551. Flights in the morning are often more expensive, with an average ticket price of £736.

When to book flights from Seoul Gimpo Intl Airport to London

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul Gimpo Intl Airport to London 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 (GMP to LON) flight deals and tips

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

Direct flights	None

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

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How far is Seoul Gimpo Intl to London by plane?
London is 5495.4 mi away from Seoul Gimpo Intl. Flights usually cover this in 18h 40m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seoul Gimpo Intl Airport to London?
Prices for flights from Seoul Gimpo Intl Airport to London are refreshed on a daily basis.
How old do you have to be to fly from Seoul Gimpo Intl Airport to London?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to London.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Luton

Gatwick

Maidstone

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Dover

Hayes

Chelmsford

Worthing

Dartford

Ramsgate

Bedford

Stansted

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to London?

It is quick and easy to find Seoul to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Seoul to London with flexible booking policies on momondo?

All flight searches from Seoul to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seoul to London?

Once all potential Seoul to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seoul to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Seoul. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.