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

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

How often are flights from Seoul to London delayed?

Historically, on average around 0% of flights between Seoul and London have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

What is the most punctual flight time for Seoul to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

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.

£139 Cheap Flights from Seoul Gimpo Intl Airport to London in 2026

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Find the cheapest flights from Seoul Gimpo Intl Airport to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:30 - 17:55

GMP

LHR

37h 25m

1 stop

21:30 - 12:25

LHR

GMP

29h 55m

1 stop

£374China Southern

Wed, 4 Mar - Mon, 9 Mar

13:25 - 18:05

GMP

LHR

36h 40m

1 stop

21:00 - 12:25

LHR

GMP

31h 25m

1 stop

£383China Southern

Tue, 2 Jun - Mon, 15 Jun

13:25 - 18:05

GMP

LHR

36h 40m

1 stop

21:00 - 12:25

LHR

GMP

31h 25m

1 stop

£385China Southern

Fri, 3 Apr - Wed, 8 Apr

13:25 - 18:05

GMP

LHR

36h 40m

1 stop

21:00 - 12:25

LHR

GMP

31h 25m

1 stop

£386China Southern

Sat, 6 Jun - Sat, 13 Jun

20:50 - 14:00

GMP

LGW

26h 10m

1 stop

10:30 - 19:50

LGW

GMP

24h 20m

1 stop

£391China Eastern

Wed, 4 Mar - Wed, 18 Mar

20:50 - 14:00

GMP

LGW

26h 10m

1 stop

17:00 - 19:50

LGW

GMP

17h 50m

1 stop

£397China Eastern

Wed, 4 Mar - Sun, 8 Mar

14:50 - 16:00

GMP

LGW

33h 10m

2 stops

12:35 - 13:05

LGW

GMP

16h 30m

1 stop

£572Multiple Airlines

Sat, 4 Apr - Thu, 9 Apr

14:25 - 06:35

GMP

LGW

24h 10m

1 stop

12:35 - 13:05

LGW

GMP

16h 30m

1 stop

£605Air China

Thu, 11 Jun - Sat, 20 Jun

14:25 - 06:35

GMP

LGW

24h 10m

1 stop

12:35 - 13:05

LGW

GMP

16h 30m

1 stop

£607Air China

Fri, 3 Apr - Mon, 20 Apr

08:35 - 17:55

GMP

LCY

41h 20m

2 stops

12:15 - 22:25

LCY

GMP

50h 10m

2 stops

£1,171Multiple Airlines

Mon, 1 Jun - Sat, 6 Jun

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

4 Mar

GMP13:30Seoul Gimpo Intl

37h 25m

1 stop

LHR17:55London Heathrow

9 Mar

LHR21:30London Heathrow

29h 55m

1 stop

GMP12:25Seoul Gimpo Intl

£374

China Southern

2 Jun

GMP13:25Seoul Gimpo Intl

36h 40m

1 stop

LHR18:05London Heathrow

15 Jun

LHR21:00London Heathrow

31h 25m

1 stop

GMP12:25Seoul Gimpo Intl

£383

China Southern

3 Apr

GMP13:25Seoul Gimpo Intl

36h 40m

1 stop

LHR18:05London Heathrow

8 Apr

LHR21:00London Heathrow

31h 25m

1 stop

GMP12:25Seoul Gimpo Intl

£385

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

9 Mar

GMP14:25Seoul Gimpo Intl

36h 30m

1 stop

LHR17:55London Heathrow

15 Mar

LHR20:25London Heathrow

31h 40m

1 stop

GMP13:05Seoul Gimpo Intl

£483

Air China

3 Mar

GMP14:25Seoul Gimpo Intl

34h 30m

1 stop

LHR15:55London Heathrow

6 Mar

LHR20:25London Heathrow

31h 40m

1 stop

GMP13:05Seoul Gimpo Intl

£491

Air China

6 Mar

GMP14:25Seoul Gimpo Intl

34h 30m

1 stop

LHR15:55London Heathrow

11 Mar

LHR20:25London Heathrow

31h 40m

1 stop

GMP13:05Seoul Gimpo Intl

£494

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

Wed 4/3

13:30-17:55

1 stop37h 25m

London Heathrow

Mon 9/3

21:30-12:25

1 stop29h 55m

£374

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Tue 2/6

13:25-18:05

1 stop36h 40m

London Heathrow

Mon 15/6

21:00-12:25

1 stop31h 25m

£383

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Fri 3/4

13:25-18:05

1 stop36h 40m

London Heathrow

Wed 8/4

21:00-12:25

1 stop31h 25m

£385

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sat 6/6

13:25-18:05

1 stop36h 40m

London Heathrow

Sat 13/6

21:00-12:25

1 stop31h 25m

£386

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Wed 4/3

20:50-14:00

1 stop26h 10m

London Gatwick

Wed 18/3

10:30-19:50

1 stop24h 20m

£391

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Wed 4/3

20:50-14:00

1 stop26h 10m

London Gatwick

Sun 8/3

17:00-19:50

1 stop17h 50m

£397

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Sat 4/4

14:50-16:00

2 stops33h 10m

London Gatwick

Thu 9/4

12:35-13:05

1 stop16h 30m

£572

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Thu 11/6

14:25-06:35

1 stop24h 10m

London Gatwick

Sat 20/6

12:35-13:05

1 stop16h 30m

£605

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Fri 3/4

14:25-06:35

1 stop24h 10m

London Gatwick

Mon 20/4

12:35-13:05

1 stop16h 30m

£607

SeoulLondon

GMP - LCY

GMPLCY

Seoul Gimpo Intl

Mon 1/6

08:35-17:55

2 stops41h 20m

London City

Sat 6/6

12:15-22:25

2 stops50h 10m

£1,171

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

Delays

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

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £489. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Seoul Gimpo Intl Airport to London for around £732.

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	18h 40m
Direct flights	None

The fastest flight from Seoul Gimpo Intl Airport to London takes 18h 40m

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

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.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Dover

Folkestone

Bedford

Colchester

Wembley

Worthing

Ramsgate

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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Cheap flights from Seoul Gimpo Intl Airport to London from £139

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 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Seoul Gimpo Intl Airport to London

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China Southern flights from Seoul Gimpo Intl Airport to London

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

Air China flights from Seoul Gimpo Intl Airport to London

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

momondo Fare Finder

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

See travel insights to London from

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

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

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £489. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Seoul Gimpo Intl Airport to London for around £732.

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

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

How often are flights from Seoul to London delayed?

Historically, on average around 0% of flights between Seoul and London have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

What is the most punctual flight time for Seoul to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

When to book flights from Seoul Gimpo Intl Airport to London

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

Direct flights

How far is Seoul Gimpo Intl to London by plane?

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

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

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

Travelling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London