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Cheap flights from London to Seoul from £311

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Seoul departing on 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Air China Logo
12:35 - 13:05
LGW
-
GMP
16h 30m
1 stop
Air China Logo
14:25 - 06:35
GMP
-
LGW
24h 10m
1 stop
£449Air China
Mon, 21 Sep - Fri, 9 Oct
China Eastern Logo
18:00 - 11:00
LGW
-
GMP
33h 00m
1 stop
China Eastern Logo
12:00 - 06:30
GMP
-
LGW
27h 30m
1 stop
£471China Eastern
Fri, 18 Sep - Wed, 25 Nov
China Eastern Logo
18:00 - 19:50
LGW
-
GMP
17h 50m
1 stop
China Eastern Logo
12:00 - 14:00
GMP
-
LGW
35h 00m
1 stop
£506China Eastern
Fri, 18 Sep - Tue, 24 Nov
China Eastern Logo
18:00 - 19:50
LGW
-
GMP
17h 50m
1 stop
China Eastern Logo
12:00 - 06:40
GMP
-
LGW
26h 40m
1 stop
£506China Eastern
Thu, 4 Jun - Tue, 21 Jul
Air China Logo
12:35 - 13:05
LGW
-
GMP
16h 30m
1 stop
Air China Logo
14:25 - 06:45
GMP
-
LGW
24h 20m
1 stop
£530Air China
Fri, 2 Oct - Sun, 18 Oct
Air China Logo
12:35 - 13:05
LGW
-
GMP
16h 30m
1 stop
Air China Logo
14:25 - 06:45
GMP
-
LGW
24h 20m
1 stop
£546Air China
Fri, 2 Oct - Sun, 18 Oct
China Southern Logo
21:00 - 12:25
LHR
-
GMP
31h 25m
1 stop
China Southern Logo
13:30 - 18:05
GMP
-
LHR
36h 35m
1 stop
£604China Southern
Wed, 27 May - Wed, 3 Jun
China Southern Logo
21:00 - 12:25
LHR
-
GMP
31h 25m
1 stop
China Southern Logo
13:30 - 18:05
GMP
-
LHR
36h 35m
1 stop
£626China Southern
Wed, 27 May - Sat, 6 Jun
ANA Logo
09:15 - 22:20
LCY
-
GMP
29h 05m
2 stops
ANA Logo
07:40 - 08:40
GMP
-
LCY
33h 00m
2 stops
£2,456ANA
Thu, 27 Aug - Tue, 15 Sep
ANA Logo
09:15 - 18:35
LCY
-
GMP
25h 20m
2 stops
ANA Logo
07:40 - 08:40
GMP
-
LCY
33h 00m
2 stops
£2,501ANA
Thu, 25 Jun - Wed, 1 Jul

China Eastern flights from London to Seoul Gimpo Intl Airport

Our best China Eastern deals on London to Seoul Gimpo Intl Airport flight tickets
China Eastern
18 Sept
LGW18:00London Gatwick
33h 00m
1 stop
GMP11:00Seoul Gimpo Intl
25 Nov
GMP12:00Seoul Gimpo Intl
27h 30m
1 stop
LGW06:30London Gatwick
£471
China Eastern
18 Sept
LGW18:00London Gatwick
17h 50m
1 stop
GMP19:50Seoul Gimpo Intl
24 Nov
GMP12:00Seoul Gimpo Intl
35h 00m
1 stop
LGW14:00London Gatwick
£506
China Eastern
4 Jun
LGW18:00London Gatwick
33h 00m
1 stop
GMP11:00Seoul Gimpo Intl
27 Jul
GMP12:00Seoul Gimpo Intl
26h 40m
1 stop
LGW06:40London Gatwick
£506

Air China flights from London to Seoul Gimpo Intl Airport

Our best Air China deals on London to Seoul Gimpo Intl Airport flight tickets
Air China
21 Sept
LGW12:35London Gatwick
16h 30m
1 stop
GMP13:05Seoul Gimpo Intl
9 Oct
GMP14:25Seoul Gimpo Intl
24h 10m
1 stop
LGW06:35London Gatwick
£449
Air China
2 Oct
LGW12:35London Gatwick
16h 30m
1 stop
GMP13:05Seoul Gimpo Intl
18 Oct
GMP14:25Seoul Gimpo Intl
24h 20m
1 stop
LGW06:45London Gatwick
£530
Air China
2 Oct
LGW12:35London Gatwick
16h 30m
1 stop
GMP13:05Seoul Gimpo Intl
18 Oct
GMP14:25Seoul Gimpo Intl
24h 20m
1 stop
LGW06:45London Gatwick
£546

momondo Fare Finder

 
Customise your flight search to find flights from London to Seoul Gimpo Intl Airport 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, momondo users made 279,928 searches. Data last updated 24 April 2026.
Use the filters below to find and compare flights from London to Seoul Gimpo Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Mon 21/9

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Fri 9/10

14:25-06:35

1 stop24h 10m

£449

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Fri 18/9

18:00-11:00

1 stop33h 00m

Seoul Gimpo Intl

Wed 25/11

12:00-06:30

1 stop27h 30m

£471

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Fri 18/9

18:00-19:50

1 stop17h 50m

Seoul Gimpo Intl

Tue 24/11

12:00-14:00

1 stop35h 00m

£506

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Thu 4/6

18:00-19:50

1 stop17h 50m

Seoul Gimpo Intl

Tue 21/7

12:00-06:40

1 stop26h 40m

£506

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Fri 2/10

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Sun 18/10

14:25-06:45

1 stop24h 20m

£530

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Fri 2/10

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Sun 18/10

14:25-06:45

1 stop24h 20m

£546

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 27/5

21:00-12:25

1 stop31h 25m

Seoul Gimpo Intl

Wed 3/6

13:30-18:05

1 stop36h 35m

£604

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 27/5

21:00-12:25

1 stop31h 25m

Seoul Gimpo Intl

Sat 6/6

13:30-18:05

1 stop36h 35m

£626

LondonSeoul

LCY - GMP

LCYGMP

London City

Thu 27/8

09:15-22:20

2 stops29h 05m

Seoul Gimpo Intl

Tue 15/9

07:40-08:40

2 stops33h 00m

£2,456

LondonSeoul

LCY - GMP

LCYGMP

London City

Thu 25/6

09:15-18:35

2 stops25h 20m

Seoul Gimpo Intl

Wed 1/7

07:40-08:40

2 stops33h 00m

£2,501

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Seoul from

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

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

China Eastern, China Southern, and ANA are the most popular carriers operating from London to Seoul Gimpo Intl

When to book flights from London to Seoul Gimpo Intl Airport

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

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

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

Fastest flight time

13h 30m

Direct flights

None
The fastest flight from London to Seoul Gimpo Intl Airport takes 13h 30m
There are no direct flights from London to Seoul Gimpo Intl Airport. There are no popular flight routes from London to Seoul Gimpo Intl Airport.
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Frequently asked questions about flying from London to Seoul Gimpo Intl Airport

  • How far is London to Seoul Gimpo Intl by plane?

    A flight from London to Seoul Gimpo Intl will travel around 5495.4 mi. Flights usually cover this in 13h 30m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London to Seoul Gimpo Intl Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Seoul Gimpo Intl Airport.

  • What documentation or ID do you need to fly to Seoul Gimpo Intl Airport?

    The necessary travel and health documents for your Seoul Gimpo Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London to Seoul Gimpo Intl Airport?

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Seoul. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Seoul from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Seoul from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

An easier way to manage your Seoul Gimpo Intl Airport trip

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