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

Beijing (PEK) was the most common stop: 33% of momondo users choosing one-stop flights on this route connected there.

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 August 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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 23m.

Which airlines fly to London?

Asiana Airlines, Korean Air and Finnair 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 39% of people opting to fly with this airline when travelling to London. Keep in mind that there are 4 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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 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 August 2025, there are 3 flights per day flying from Seoul to London. The most common time of day flights depart is 10:00, with 69% of flights taking off at midday.

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

Flights via Guangzhou (CAN) offer the lowest average return price of £351.

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

China Southern, China Eastern, and Etihad Airways are the most popular carriers operating from Seoul to London

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 4 as of August 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.

£156 Cheap Flights from Seoul to London (SEL-LON) in 2025

Q: What is the typical price of a round-trip flight between Seoul and London?

Prices are currently low for flights on this route. Typical prices usually range from £539 to £741. The lowest price recently found on this route was £350.

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Find the cheapest flights from Seoul to London (SEL-LON)

Round-trip

One-way

Last minute

Direct

Cheap return flights

23:45 - 16:25ICN-LHR

25h 40m2 stops

10:20 - 19:00LHR-ICN

23h 40m1 stop

£350Scandinavian Airlines

Find Deal

Fri, 28 Nov - Sun, 30 Nov

23:45 - 16:25ICN-LHR

25h 40m2 stops

15:35 - 19:00LHR-ICN

18h 25m2 stops

£350Scandinavian Airlines

Find Deal

Fri, 28 Nov - Sun, 30 Nov

21:15 - 18:30ICN-LGW

29h 15m1 stop

12:00 - 21:50LGW-ICN

25h 50m1 stop

£361China Southern

Find Deal

Mon, 25 Aug - Fri, 19 Sep

22:45 - 17:20ICN-LGW

27h 35m1 stop

20:25 - 21:45LGW-ICN

16h 20m1 stop

£395China Southern

Find Deal

Fri, 21 Nov - Sat, 29 Nov

16:40 - 06:30ICN-LGW

22h 50m2 stops

17:00 - 12:15LGW-ICN

34h 15m2 stops

£438China Eastern

Find Deal

Wed, 5 Nov - Wed, 12 Nov

14:30 - 06:30ICN-LGW

24h 00m1 stop

18:00 - 17:25LGW-ICN

15h 25m1 stop

£452China Eastern

Find Deal

Wed, 3 Sep - Thu, 4 Sep

14:25 - 06:35GMP-LGW

24h 10m1 stop

12:35 - 13:05LGW-GMP

16h 30m1 stop

£486Air China

Find Deal

Sun, 7 Sep - Sun, 21 Sep

14:25 - 06:35GMP-LGW

24h 10m1 stop

12:35 - 13:05LGW-GMP

16h 30m1 stop

£488Air China

Find Deal

Wed, 10 Sep - Mon, 15 Sep

13:05 - 09:15ICN-LCY

29h 10m1 stop

09:50 - 10:50LCY-ICN

16h 00m1 stop

£611Lufthansa

Find Deal

Tue, 16 Dec - Tue, 23 Dec

13:05 - 09:15ICN-LCY

29h 10m1 stop

09:50 - 10:50LCY-ICN

16h 00m1 stop

£612Lufthansa

Find Deal

Tue, 30 Dec - Mon, 12 Jan

Scandinavian Airlines flights from Seoul to London

Our best Scandinavian Airlines deals on Seoul to London flight tickets

Scandinavian Airlines

28 Nov

ICN23:45Incheon Intl

25h 40m

2 stops

LHR16:25London Heathrow

30 Nov

LHR10:20London Heathrow

23h 40m

1 stop

ICN19:00Incheon Intl

£350

Find similar

Scandinavian Airlines

28 Nov

ICN23:45Incheon Intl

25h 40m

2 stops

LHR16:25London Heathrow

30 Nov

LHR15:35London Heathrow

18h 25m

2 stops

ICN19:00Incheon Intl

£350

Find similar

Scandinavian Airlines

7 Nov

ICN23:45Incheon Intl

27h 45m

2 stops

LHR18:30London Heathrow

9 Nov

LHR13:55London Heathrow

20h 05m

2 stops

ICN19:00Incheon Intl

£370

Find similar

China Southern flights from Seoul to London

Our best China Southern deals on Seoul to London flight tickets

China Southern

25 Aug

ICN21:15Incheon Intl

29h 15m

1 stop

LGW18:30London Gatwick

19 Sept

LGW12:00London Gatwick

25h 50m

1 stop

ICN21:50Incheon Intl

£361

Find similar

China Southern

21 Nov

ICN22:45Incheon Intl

27h 35m

1 stop

LGW17:20London Gatwick

29 Nov

LGW20:25London Gatwick

16h 20m

1 stop

ICN21:45Incheon Intl

£395

Find similar

China Southern

17 Nov

ICN22:45Incheon Intl

27h 35m

1 stop

LGW17:20London Gatwick

25 Nov

LGW20:20London Gatwick

16h 25m

1 stop

ICN21:45Incheon Intl

£397

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 28/11

23:45-16:25

2 stops25h 40m

London Heathrow

Sun 30/11

10:20-19:00

1 stop23h 40m

£350

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 28/11

23:45-16:25

2 stops25h 40m

London Heathrow

Sun 30/11

15:35-19:00

2 stops18h 25m

£350

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Mon 25/8

21:15-18:30

1 stop29h 15m

London Gatwick

Fri 19/9

12:00-21:50

1 stop25h 50m

£361

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Fri 21/11

22:45-17:20

1 stop27h 35m

London Gatwick

Sat 29/11

20:25-21:45

1 stop16h 20m

£395

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Wed 5/11

16:40-06:30

2 stops22h 50m

London Gatwick

Wed 12/11

17:00-12:15

2 stops34h 15m

£438

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Wed 3/9

14:30-06:30

1 stop24h 00m

London Gatwick

Thu 4/9

18:00-17:25

1 stop15h 25m

£452

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Sun 7/9

14:25-06:35

1 stop24h 10m

London Gatwick

Sun 21/9

12:35-13:05

1 stop16h 30m

£486

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Wed 10/9

14:25-06:35

1 stop24h 10m

London Gatwick

Mon 15/9

12:35-13:05

1 stop16h 30m

£488

IncheonLondon

ICN - LCY

ICNLCY

Incheon Intl

Tue 16/12

13:05-09:15

1 stop29h 10m

London City

Tue 23/12

09:50-10:50

1 stop16h 00m

£611

IncheonLondon

ICN - LCY

ICNLCY

Incheon Intl

Tue 30/12

13:05-09:15

1 stop29h 10m

London City

Mon 12/1

09:50-10:50

1 stop16h 00m

£612

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 typical price of a round-trip flight between Seoul and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Seoul is in May. Flight prices, which tend to average around £439, 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 Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £670. 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 £844.

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 £534. Flights at midday are often more expensive, with an average ticket price of £818.

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 £634 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 £542 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.

How have Seoul to London flight prices changed over time?

As of August 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	£156
Fastest flight time	14h 05m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from Seoul in the past 72 hours is £156. The best return flight deal from Seoul to London found on momondo in the last 72 hours is £350.

The fastest flight from Seoul to London takes 14h 05m

Direct flights go from Seoul to London every day.

There are 6 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)

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 16h 40m, 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 4 as of August 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 Boeing 777-300ER, making up 48.13% of the total bookings. Other popular models include Airbus A350-900 with 42.87%, Boeing 747-8 with 8.72%, and Embraer 190 with 0.14%.
What is the most popular airline from Seoul to London?
Based on momondo bookings for flights between Seoul and London, the leading airline is China Eastern, making up 32% of the total bookings. Other popular airlines include Air China with 31%, Asiana Airlines with 15%, and Lufthansa with 13%.

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 £350	Free Cancellation	Rating 7.2 160 reviews	Search China Eastern flights
Finnair	PriceFrom £555	Free Cancellation	Rating 7.6 1,321 reviews	Search Finnair flights
Asiana Airlines	PriceFrom £641	Free Cancellation	Rating 8.2 473 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom £665	Free Cancellation	Rating 8.4 1,131 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, 473 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.

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Luton

Slough

Maidstone

Gatwick

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Colchester

Worthing

Hounslow

Dartford

Dover

Chelmsford

Hayes

Bedford

Winchester

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.

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Cheap flights from Seoul to London from £156

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 25/8. 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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Cheap last-minute flights

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Scandinavian Airlines flights from Seoul to London

Our best Scandinavian Airlines deals on Seoul to London flight tickets

China Southern flights from Seoul to London

Our best China Southern deals on Seoul to London flight tickets

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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 typical price of a round-trip flight between Seoul and London?

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 Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £670. 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 £844.

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 £534. Flights at midday are often more expensive, with an average ticket price of £818.

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.

How have Seoul to London flight prices changed over time?

As of August 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 Southern, China Eastern, and Etihad Airways 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: 33% 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 £351.

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 23m.

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 August 2025, there are 3 flights per day flying from Seoul to London. The most common time of day flights depart is 10:00, with 69% 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 August 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.

Get notified when prices go down