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Cheap flights from Seoul Gimpo Intl Airport to London from £211

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul Gimpo Intl Airport to London departing on 19/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seoul Gimpo Intl Airport to London

Cheap return flights

Enter your travel dates to find the best prices.
Air China Logo
14:25 - 06:55GMP  Seoul Gimpo Intl-LGW London Gatwick
25h 30m2 stops Beijing Capital Shanghai Hongqiao Intl
Air China Logo
11:35 - 13:05LGW  London Gatwick-GMP Seoul Gimpo Intl
16h 30m1 stop Beijing Capital
£498Air China
Wed, 28 Oct - Wed, 25 Nov
Air China Logo
14:25 - 06:20GMP  Seoul Gimpo Intl-LGW London Gatwick
24h 55m1 stop Beijing Capital
Air China Logo
11:35 - 13:05LGW  London Gatwick-GMP Seoul Gimpo Intl
16h 30m1 stop Beijing Capital
£504Air China
Sat, 7 Nov - Sun, 15 Nov
Air China Logo
14:25 - 06:55GMP  Seoul Gimpo Intl-LGW London Gatwick
24h 30m2 stops Beijing Capital Shanghai Pu Dong
Air China Logo
11:35 - 13:05LGW  London Gatwick-GMP Seoul Gimpo Intl
16h 30m1 stop Beijing Capital
£504Air China
Tue, 20 Oct - Wed, 28 Oct
China Eastern Logo
20:50 - 15:00GMP  Seoul Gimpo Intl-LGW London Gatwick
26h 10m1 stop Shanghai Hongqiao Intl
China Eastern Logo
18:00 - 19:50LGW  London Gatwick-GMP Seoul Gimpo Intl
17h 50m1 stop Shanghai Pu Dong
£506China Eastern
Mon, 14 Sep - Tue, 29 Sep
Air China Logo
14:25 - 06:20GMP  Seoul Gimpo Intl-LGW London Gatwick
24h 55m1 stop Beijing Capital
Air China Logo
11:35 - 13:05LGW  London Gatwick-GMP Seoul Gimpo Intl
16h 30m1 stop Beijing Capital
£506Air China
Tue, 24 Nov - Mon, 30 Nov
Air China Logo
14:25 - 06:20GMP  Seoul Gimpo Intl-LGW London Gatwick
24h 55m1 stop Beijing Capital
Air China Logo
11:35 - 13:05LGW  London Gatwick-GMP Seoul Gimpo Intl
16h 30m1 stop Beijing Capital
£507Air China
Sat, 7 Nov - Sun, 15 Nov
China Southern Logo
13:30 - 18:05GMP  Seoul Gimpo Intl-LHR London Heathrow
36h 35m1 stop Beijing Daxing Intl
China Southern Logo
21:00 - 12:25LHR  London Heathrow-GMP Seoul Gimpo Intl
31h 25m1 stop Beijing Daxing Intl
£507China Southern
Fri, 11 Sep - Sat, 19 Sep
Air China Logo
14:25 - 06:20GMP  Seoul Gimpo Intl-LGW London Gatwick
24h 55m1 stop Beijing Capital
Air China Logo
11:35 - 13:05LGW  London Gatwick-GMP Seoul Gimpo Intl
16h 30m1 stop Beijing Capital
£507Air China
Tue, 10 Nov - Mon, 16 Nov
China Southern Logo
13:30 - 18:05GMP  Seoul Gimpo Intl-LHR London Heathrow
36h 35m1 stop Beijing Daxing Intl
China Southern Logo
21:00 - 12:25LHR  London Heathrow-GMP Seoul Gimpo Intl
31h 25m1 stop Beijing Daxing Intl
£509China Southern
Sat, 10 Oct - Tue, 20 Oct
Air China Logo
14:25 - 15:55GMP  Seoul Gimpo Intl-LHR London Heathrow
34h 30m1 stop Beijing Capital
Air China Logo
20:25 - 13:05LHR  London Heathrow-GMP Seoul Gimpo Intl
31h 40m1 stop Beijing Capital
£510Air China
Wed, 28 Oct - Wed, 25 Nov

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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
28 Oct
GMP14:25Seoul Gimpo Intl
25h 30m
2 stops
LGW06:55London Gatwick
25 Nov
LGW11:35London Gatwick
16h 30m
1 stop
GMP13:05Seoul Gimpo Intl
£498
Air China
20 Oct
GMP14:25Seoul Gimpo Intl
24h 30m
2 stops
LGW06:55London Gatwick
28 Oct
LGW11:35London Gatwick
16h 30m
1 stop
GMP13:05Seoul Gimpo Intl
£504
Air China
7 Nov
GMP14:25Seoul Gimpo Intl
24h 55m
1 stop
LGW06:20London Gatwick
15 Nov
LGW11:35London Gatwick
16h 30m
1 stop
GMP13:05Seoul Gimpo Intl
£507

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
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
£509
China Southern
28 Aug
GMP13:30Seoul Gimpo Intl
36h 35m
1 stop
LHR18:05London Heathrow
5 Sept
LHR21:00London Heathrow
31h 25m
1 stop
GMP12:25Seoul Gimpo Intl
£512

momondo Fare Finder

 
Customise your flight search to find flights from Seoul Gimpo Intl Airport 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, momondo users made 279,928 searches. Data last updated 6 August 2026.
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

Cheapest return flight

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Wed 28/10

14:25-06:55

2 stops25h 30m

London Gatwick

Wed 25/11

11:35-13:05

1 stop16h 30m

£498

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Sat 7/11

14:25-06:20

1 stop24h 55m

London Gatwick

Sun 15/11

11:35-13:05

1 stop16h 30m

£504
Fastest return journey

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Tue 20/10

14:25-06:55

2 stops24h 30m

London Gatwick

Wed 28/10

11:35-13:05

1 stop16h 30m

£504

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Mon 14/9

20:50-15:00

1 stop26h 10m

London Gatwick

Tue 29/9

18:00-19:50

1 stop17h 50m

£506

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Tue 24/11

14:25-06:20

1 stop24h 55m

London Gatwick

Mon 30/11

11:35-13:05

1 stop16h 30m

£506

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Sat 7/11

14:25-06:20

1 stop24h 55m

London Gatwick

Sun 15/11

11:35-13:05

1 stop16h 30m

£507

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 - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Tue 10/11

14:25-06:20

1 stop24h 55m

London Gatwick

Mon 16/11

11:35-13:05

1 stop16h 30m

£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

£509

SeoulLondon

GMP Seoul Gimpo Intl - LHR London Heathrow

GMPLHR

Seoul Gimpo Intl

Wed 28/10

14:25-15:55

1 stop34h 30m

London Heathrow

Wed 25/11

20:25-13:05

1 stop31h 40m

£510

Flights are sorted by cheapest return flights first.

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

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

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

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £587. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Seoul Gimpo Intl Airport to London for around £745.

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 morning when flights can be purchased for as low as £652. Flights at midday are often more expensive, with an average ticket price of £692.

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

Fastest flight time

19h 45m

Direct flights

None
The fastest flight from Seoul Gimpo Intl Airport to London takes 19h 45m
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.
Search flight deals

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

  • 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 19h 45m, 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Luton
Southend-on-Sea
Slough
Ipswich
Maidstone
Folkestone
Ilford
Hastings
Canterbury
Guildford
Chichester
Hayes
Bedford
Harlow
Colchester
Chelmsford

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.

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Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
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