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Cheap flights from London to Seoul from £225

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 31/8. 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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Find the cheapest flights from London to Seoul (LON-GMP)

Cheap return flights

Air China Logo
12:35 - 13:05LGW-GMP
16h 30m1 stop
Air China Logo
14:25 - 06:35GMP-LGW
24h 10m1 stop
£353Air China
Find Deal
Mon, 1 Sep - Sat, 6 Sep
Air China Logo
12:35 - 13:05LGW-GMP
16h 30m1 stop
Air China Logo
14:25 - 06:35GMP-LGW
24h 10m1 stop
£359Air China
Find Deal
Wed, 3 Sep - Sat, 18 Oct
China Southern Logo
21:30 - 12:25LHR-GMP
29h 55m1 stop
China Southern Logo
13:45 - 17:55GMP-LHR
37h 10m1 stop
£367China Southern
Find Deal
Sat, 8 Nov - Tue, 18 Nov
China Southern Logo
21:30 - 12:25LHR-GMP
29h 55m1 stop
China Southern Logo
13:45 - 17:55GMP-LHR
37h 10m1 stop
£370China Southern
Find Deal
Mon, 10 Nov - Tue, 18 Nov
China Eastern Logo
17:00 - 11:00LGW-GMP
33h 00m1 stop
China Eastern Logo
12:00 - 14:00GMP-LGW
35h 00m1 stop
£454China Eastern
Find Deal
Sun, 2 Nov - Sun, 9 Nov
China Eastern Logo
18:40 - 11:00LGW-GMP
32h 20m1 stop
China Eastern Logo
20:50 - 16:00GMP-LGW
27h 10m1 stop
£470China Eastern
Find Deal
Fri, 5 Sep - Sat, 13 Sep
Logo
12:35 - 13:05LGW-GMP
16h 30m1 stop
Logo
13:45 - 15:30GMP-LGW
34h 45m2 stops
£524
Find Deal
Mon, 1 Sep - Fri, 9 Jan
Logo
11:35 - 19:50LGW-GMP
24h 15m1 stop
Logo
20:50 - 15:10GMP-LGW
26h 20m1 stop
£528
Find Deal
Tue, 23 Sep - Sun, 5 Oct
ANA Logo
09:50 - 11:20LCY-GMP
40h 30m2 stops
ANA Logo
12:25 - 09:05GMP-LCY
53h 40m2 stops
£2,496ANA
Find Deal
Mon, 29 Dec - Tue, 6 Jan
ANA Logo
08:45 - 18:35LCY-GMP
25h 50m2 stops
ANA Logo
19:55 - 08:10GMP-LCY
44h 15m2 stops
£3,211ANA
Find Deal
Mon, 6 Oct - Sun, 19 Oct

China Southern flights from London to Seoul Gimpo Intl Airport

Our best China Southern deals on London to Seoul Gimpo Intl Airport flight tickets
China Southern
8 Nov
LHR21:30London Heathrow
29h 55m
1 stop
GMP12:25Seoul Gimpo Intl
18 Nov
GMP13:45Seoul Gimpo Intl
37h 10m
1 stop
LHR17:55London Heathrow
£367
Find similar
China Southern
10 Nov
LHR21:30London Heathrow
29h 55m
1 stop
GMP12:25Seoul Gimpo Intl
18 Nov
GMP13:45Seoul Gimpo Intl
37h 10m
1 stop
LHR17:55London Heathrow
£370
Find similar
China Southern
27 Oct
LHR21:30London Heathrow
29h 55m
1 stop
GMP12:25Seoul Gimpo Intl
5 Nov
GMP13:45Seoul Gimpo Intl
37h 10m
1 stop
LHR17:55London Heathrow
£372
Find similar

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
1 Sept
LGW12:35London Gatwick
16h 30m
1 stop
GMP13:05Seoul Gimpo Intl
6 Sept
GMP14:25Seoul Gimpo Intl
24h 10m
1 stop
LGW06:35London Gatwick
£353
Find similar
Air China
3 Sept
LGW12:35London Gatwick
16h 30m
1 stop
GMP13:05Seoul Gimpo Intl
18 Oct
GMP14:25Seoul Gimpo Intl
24h 10m
1 stop
LGW06:35London Gatwick
£359
Find similar
Air China
1 Sept
LGW12:35London Gatwick
16h 30m
1 stop
GMP13:05Seoul Gimpo Intl
13 Oct
GMP14:25Seoul Gimpo Intl
24h 10m
1 stop
LGW06:35London Gatwick
£365
Find similar

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 15 August 2025.
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

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Mon 1/9

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Sat 6/9

14:25-06:35

1 stop24h 10m

£353

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Wed 3/9

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Sat 18/10

14:25-06:35

1 stop24h 10m

£359

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 8/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Tue 18/11

13:45-17:55

1 stop37h 10m

£367

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 10/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Tue 18/11

13:45-17:55

1 stop37h 10m

£370

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Sun 2/11

17:00-11:00

1 stop33h 00m

Seoul Gimpo Intl

Sun 9/11

12:00-14:00

1 stop35h 00m

£454

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Fri 5/9

18:40-11:00

1 stop32h 20m

Seoul Gimpo Intl

Sat 13/9

20:50-16:00

1 stop27h 10m

£470

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Mon 1/9

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Fri 9/1

13:45-15:30

2 stops34h 45m

£524

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Tue 23/9

11:35-19:50

1 stop24h 15m

Seoul Gimpo Intl

Sun 5/10

20:50-15:10

1 stop26h 20m

£528

LondonSeoul

LCY - GMP

LCYGMP

London City

Mon 29/12

09:50-11:20

2 stops40h 30m

Seoul Gimpo Intl

Tue 6/1

12:25-09:05

2 stops53h 40m

£2,496

LondonSeoul

LCY - GMP

LCYGMP

London City

Mon 6/10

08:45-18:35

2 stops25h 50m

Seoul Gimpo Intl

Sun 19/10

19:55-08:10

2 stops44h 15m

£3,211

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 month to fly to Seoul Gimpo Intl Airport?

In general, June is the cheapest month to fly from London to Seoul Gimpo Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £322. If you aren’t able to travel during the month of June, then book flights to Seoul Gimpo Intl Airport from London during March instead. Flights to Seoul Gimpo Intl Airport in March, while not as cheap as those in June, still average around £359.

What is the cheapest day to depart on your flight to Seoul Gimpo Intl Airport?

According to our data, Thursday is the cheapest day to fly to Seoul Gimpo Intl Airport from London. The lowest ticket price found for a Thursday departure recently was £488. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from London to Seoul Gimpo Intl Airport on a Monday will generally be more expensive and average around £652. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Seoul Gimpo Intl Airport?

Our data shows that the cheapest London to Seoul Gimpo Intl Airport flights are usually those with departure times in the evening. Our users have found flights to Seoul Gimpo Intl Airport in the evening for as low as £488. In the morning is when there is more demand to fly to Seoul Gimpo Intl Airport, so prices are often more expensive at around £595 per ticket.

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

Best price found

£225

Fastest flight time

16h 30m

Direct flights

None
The best one-way flight to Seoul Gimpo Intl Airport from London in the past 72 hours is £225. The best return flight deal from London to Seoul Gimpo Intl Airport found on momondo in the last 72 hours is £353.
The fastest flight from London to Seoul Gimpo Intl Airport takes 16h 30m
There are no direct flights from London to Seoul Gimpo Intl Airport. Popular non-direct routes for this connection are London Heathrow Airport - Seoul Gimpo Intl Airport and London Gatwick Airport - Seoul Gimpo Intl Airport.
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  • 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 16h 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 many operators does momondo search for flights from London to Seoul Gimpo Intl Airport?

  • 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?

Best airlines flying from London to Seoul Gimpo Intl Airport

Compare and see reviews for airlines that fly from London to Seoul Gimpo Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom £340Free CancellationRating
7.3
94 reviews
Search Air China flights
China SouthernPriceFrom £342Free CancellationRating
7.6
106 reviews
Search China Southern flights
Japan AirlinesPriceFrom £1,059Free CancellationRating
8.3
1,545 reviews
Search Japan Airlines flights

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.

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