Which stopover airport has the shortest travel time from Seoul to London?

Flights connecting via Beijing (PEK) have the shortest average one-way travel time: 15h 25m.

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

China Eastern and Malaysia Airlines are the most popular carriers operating from Seoul to London

How many flights depart from Seoul to London on average per week?

The number of flights available between Seoul and London is 21 per week as of September 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

How many flights depart from Seoul to London on average per day?

As of September 2025, there are 3 flights per day flying from Seoul to London. The most common time of day flights depart is 10:00, with 66% of flights taking off at midday.

Which airlines fly to London?

Asiana Airlines, Korean Air and China Eastern are the top three most popular airlines that fly to London from Seoul according to our data. Asiana Airlines is the first choice among our users, with 47% of people opting to fly with this airline when travelling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Which stopover airport offers the lowest fares from Seoul to London?

Flights via Guangzhou (CAN) offer the lowest average return price of £348.

Which stopover airport has the shortest connection time from Seoul to London?

Munich (MUC) has the shortest average stopover time for this route: 1h 33m.

How long does it take to fly to London?

Flight times from Seoul to London vary, but if you’re flying out of Seoul and flying into London Heathrow Airport (one of the most popular routes), then the duration is 14h 05m on average. Another popular route from Seoul to London is flying from Incheon to London Heathrow Airport, which will take roughly 14h 25m. Keep in mind that layovers or delays could extend your travel time.

Which airport is the most popular for stopovers for flights between Seoul and London?

Beijing (PEK) was the most common stop: 27% of momondo users choosing one-stop flights on this route connected there.

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

Prices for flights from Seoul to London refresh daily.

How many operators does momondo search for flights from Seoul to London?

The number of operators available for flights from Seoul to London is 3 as of September 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul 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.

£210 Cheap Flights from Seoul to London in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Seoul to London

Round-trip

One-way

Last minute

Direct

Cheap return flights

13:45 - 17:55GMP-LHR

37h 10m1 stop

21:30 - 12:25LHR-GMP

29h 55m1 stop

£445China Southern

Find Deal

ti., 16 des. - lø., 3 jan.

14:25 - 20:30GMP-LHR

14h 05m1 stop

17:40 - 13:05LHR-GMP

34h 25m1 stop

£445Air China

Find Deal

to., 23 okt. - to., 30 okt.

13:45 - 17:55GMP-LHR

37h 10m1 stop

21:30 - 12:25LHR-GMP

29h 55m1 stop

£446China Southern

Find Deal

ma., 3 nov. - sø., 16 nov.

14:25 - 15:55GMP-LHR

34h 30m1 stop

17:40 - 13:05LHR-GMP

34h 25m1 stop

£448Air China

Find Deal

lø., 20 des. - fr., 9 jan.

20:50 - 18:40GMP-LHR

29h 50m1 stop

21:00 - 11:00LHR-GMP

29h 00m1 stop

£459China Eastern

Find Deal

lø., 11 okt. - ma., 27 okt.

16:40 - 14:00ICN-LGW

30h 20m2 stops

10:30 - 13:30LGW-ICN

18h 00m1 stop

£506China Eastern

Find Deal

fr., 5 des. - to., 11 des.

12:20 - 18:50ICN-LHR

14h 30mdirect

20:10 - 17:45LHR-ICN

12h 35mdirect

£506Asiana Airlines

Find Deal

ti., 21 okt. - ma., 3 nov.

12:20 - 18:50ICN-LHR

14h 30mdirect

20:10 - 17:45LHR-ICN

12h 35mdirect

£509Asiana Airlines

Find Deal

on., 22 okt. - fr., 31 okt.

13:05 - 08:05ICN-LHR

28h 00m2 stops

08:45 - 11:15LHR-ICN

17h 30m1 stop

£523Lufthansa

Find Deal

on., 14 jan. - ti., 10 feb.

13:05 - 22:20ICN-LHR

18h 15m1 stop

06:35 - 10:50LHR-ICN

19h 15m2 stops

£528Lufthansa

Find Deal

ti., 13 jan. - on., 28 jan.

China Eastern flights from Seoul to London

Our best China Eastern deals on Seoul to London flight tickets

China Eastern

11 Oct

GMP20:50Seoul Gimpo Intl

29h 50m

1 stop

LHR18:40London Heathrow

27 Oct

LHR21:00London Heathrow

29h 00m

1 stop

GMP11:00Seoul Gimpo Intl

£459

Find similar

China Eastern

5 Dec

ICN16:40Incheon Intl

30h 20m

2 stops

LGW14:00London Gatwick

11 Dec

LGW10:30London Gatwick

18h 00m

1 stop

ICN13:30Incheon Intl

£506

Find similar

China Eastern

15 Nov

ICN16:20Incheon Intl

23h 10m

1 stop

LGW06:30London Gatwick

19 Nov

LGW10:30London Gatwick

16h 25m

1 stop

ICN11:55Incheon Intl

£507

Find similar

Scandinavian Airlines flights from Seoul to London

Our best Scandinavian Airlines deals on Seoul to London flight tickets

Scandinavian Airlines

27 Oct

ICN23:45Incheon Intl

23h 50m

2 stops

LHR14:35London Heathrow

2 Nov

LHR15:35London Heathrow

18h 25m

2 stops

ICN19:00Incheon Intl

£508

Find similar

Scandinavian Airlines

12 Jan

ICN23:45Incheon Intl

27h 45m

1 stop

LHR18:30London Heathrow

15 Jan

LHR10:35London Heathrow

23h 25m

2 stops

ICN19:00Incheon Intl

£508

Find similar

Scandinavian Airlines

27 Oct

ICN23:45Incheon Intl

23h 50m

2 stops

LHR14:35London Heathrow

13 Nov

LHR18:40London Heathrow

15h 20m

1 stop

ICN19:00Incheon Intl

£511

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

ti. 16/12

13:45-17:55

1 stop37h 10m

London Heathrow

lø. 3/1

21:30-12:25

1 stop29h 55m

£445

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

to. 23/10

14:25-20:30

1 stop14h 05m

London Heathrow

to. 30/10

17:40-13:05

1 stop34h 25m

£445

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

ma. 3/11

13:45-17:55

1 stop37h 10m

London Heathrow

sø. 16/11

21:30-12:25

1 stop29h 55m

£446

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

lø. 20/12

14:25-15:55

1 stop34h 30m

London Heathrow

fr. 9/1

17:40-13:05

1 stop34h 25m

£448

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

lø. 11/10

20:50-18:40

1 stop29h 50m

London Heathrow

ma. 27/10

21:00-11:00

1 stop29h 00m

£459

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

fr. 5/12

16:40-14:00

2 stops30h 20m

London Gatwick

to. 11/12

10:30-13:30

1 stop18h 00m

£506

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

ti. 21/10

12:20-18:50

Nonstop14h 30m

London Heathrow

ma. 3/11

20:10-17:45

Nonstop12h 35m

£506

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

on. 22/10

12:20-18:50

Nonstop14h 30m

London Heathrow

fr. 31/10

20:10-17:45

Nonstop12h 35m

£509

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

on. 14/1

13:05-08:05

2 stops28h 00m

London Heathrow

ti. 10/2

08:45-11:15

1 stop17h 30m

£523

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

ti. 13/1

13:05-22:20

1 stop18h 15m

London Heathrow

on. 28/1

06:35-10:50

2 stops19h 15m

£528

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 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

Stopovers

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Seoul is in December. Flight prices, which tend to average around £453, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Seoul averaging around £454.

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 £662. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Seoul to London for around £838.

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 £531. Flights at midday are often more expensive, with an average ticket price of £812.

What is the cheapest Seoul to London flight route?

Fly from Incheon Intl to London Heathrow for the best Seoul - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £625 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Seoul for as low as £552 on momondo.

What cabin class options are available on Seoul to London flights?

There are 4 cabin classes available to choose from on Seoul to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seoul to London flights?

You could potentially save up to 14% on your flight if you consider stops on a Seoul to London flight.

How have Seoul to London flight prices changed over time?

As of September 2025, prices for Seoul to London flights are approximately 23% cheaper when compared to flights at the same time last year.

When to book flights from Seoul to London

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

Estimated return price

Cheap Seoul to London (SEL to LON) flight deals and tips

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

Best price found	£387
Fastest flight time	14h 25m
Direct flights	Every day
Airports in London	1 airport

The best one-way flight to London from Seoul in the past 72 hours is £387. The best return flight deal from Seoul to London found on momondo in the last 72 hours is £629.

The fastest flight from Seoul to London takes 14h 25m

Direct flights go from Seoul to London every day.

There is 1 airport near London: London Heathrow (LHR)

Search flight deals

How far is Seoul to London by plane?
Seoul and London are 5501.4 mi apart from one another. Flights usually cover this in 14h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seoul to London?
Prices for flights from Seoul to London refresh daily.
How many operators does momondo search for flights from Seoul to London?
The number of operators available for flights from Seoul to London is 3 as of September 2025.
How old do you have to be to fly from Seoul to London?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul 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.
What is the most popular plane model from Seoul to London?
Based on momondo bookings for flights between Seoul and London, the leading plane model is Airbus A350-900, making up 46.27% of the total bookings. Other popular models include Boeing 777-300ER with 43.37%, Boeing 747-8 with 9.97%, and Embraer 190 with 0.19%.
What is the most popular airline from Seoul to London?
Based on momondo bookings for flights between Seoul and London, the leading airline is Air China, making up 37% of the total bookings. Other popular airlines include China Eastern with 31%, Lufthansa with 17%, and Asiana Airlines with 15%.

Best airlines flying from Seoul to London

Compare and see reviews for airlines that fly from Seoul to London with momondo

Airline	Rating	Free Cancellation	Price
China Eastern	PriceFrom £348	Free Cancellation	Rating 7.2 166 reviews	Search China Eastern flights
Asiana Airlines	PriceFrom £636	Free Cancellation	Rating 8.2 481 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom £660	Free Cancellation	Rating 8.4 1,140 reviews	Search Korean Air flights

Korean Air Flights From Seoul to London
Korean Air is one of the most popular airlines flying from Seoul to London, operating 7 flights/week on average for this route. A good Korean Air flight deal for Seoul to London starts from £901 round-trip, up to an average price of £1,136. Our users have rated Korean Air at 8.4/10.
Asiana Airlines Flights From Seoul to London
Another popular option for Seoul to London flights is Asiana Airlines (8.2/10, 481 ratings). Asiana Airlines flies from Seoul to London around 7 times per week, with deals starting from £869 round-trip and rising to an average price of around £1,002.

Eastbourne

Luton

Milton Keynes

Maidstone

Gatwick

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Worthing

Chelmsford

Dover

Hayes

Dartford

Winchester

Hounslow

Stansted

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to London . Millions of users trust and use momondo every year so you are in good hands.

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

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

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 can track prices for Seoul to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

lø. 18/10

lø. 25/10

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Popular Cities in the United Kingdom

Flights to Manchesterfrom £30

Flights to Birminghamfrom £33

Flights to Edinburghfrom £29

Flights to Belfastfrom £29

Flights to Glasgowfrom £34

Flights to Bristolfrom £30

Flights to Newcastle upon Tynefrom £51

Flights to Aberdeenfrom £45

Flights to Liverpoolfrom £30

Flights to Leedsfrom £36

Flights to Invernessfrom £34

Flights to Newquayfrom £34

Cheap flights from Seoul to London from £210

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 to London departing on 10/11. 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

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Seoul to London

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

China Eastern flights from Seoul to London

Our best China Eastern deals on Seoul to London flight tickets

Scandinavian Airlines flights from Seoul to London

Our best Scandinavian Airlines deals on Seoul to London flight tickets

momondo Fare Finder

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

See travel insights to London from

How to get the cheapest flight ticket from Seoul 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 month to fly to London?

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 £662. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Seoul to London for around £838.

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 £531. Flights at midday are often more expensive, with an average ticket price of £812.

What is the cheapest Seoul to London flight route?

Fly from Incheon Intl to London Heathrow for the best Seoul - London flight prices

How far in advance should I book a flight to London?

What cabin class options are available on Seoul to London flights?

There are 4 cabin classes available to choose from on Seoul to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seoul to London flights?

You could potentially save up to 14% on your flight if you consider stops on a Seoul to London flight.

How have Seoul to London flight prices changed over time?

As of September 2025, prices for Seoul to London flights are approximately 23% cheaper when compared to flights at the same time last year.

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

China Eastern and Malaysia Airlines are the most popular carriers operating from Seoul to London

Which airlines fly to London?

Which airport is the most popular for stopovers for flights between Seoul and London?

Beijing (PEK) was the most common stop: 27% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from Seoul to London?

Flights via Guangzhou (CAN) offer the lowest average return price of £348.

Which stopover airport has the shortest travel time from Seoul to London?

Flights connecting via Beijing (PEK) have the shortest average one-way travel time: 15h 25m.

Which stopover airport has the shortest connection time from Seoul to London?

Munich (MUC) has the shortest average stopover time for this route: 1h 33m.

How many flights depart from Seoul to London on average per day?

As of September 2025, there are 3 flights per day flying from Seoul to London. The most common time of day flights depart is 10:00, with 66% of flights taking off at midday.

How many flights depart from Seoul to London on average per week?

The number of flights available between Seoul and London is 21 per week as of September 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

How long does it take to fly to London?

When to book flights from Seoul to London

Cheap Seoul to London (SEL to LON) flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in London

How far is Seoul to London by plane?

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

How many operators does momondo search for flights from Seoul to London?

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

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

What is the most popular plane model from Seoul to London?

What is the most popular airline from Seoul to London?

Best airlines flying from Seoul to London

Compare and see reviews for airlines that fly from Seoul to London with momondo

Korean Air Flights From Seoul to London

Asiana Airlines Flights From Seoul 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.