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.

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

Flights via Guangzhou (CAN) offer the lowest average return price of £353.

How long does it take to fly to London?

Flight times from Seoul to London vary, but if you’re flying out of Incheon and flying into London Heathrow Airport (one of the most popular routes), then the duration is 14h 30m on average. Another popular route from Seoul to London is flying from Seoul to London Heathrow Airport, which will take roughly 19h 25m. Keep in mind that layovers or delays could extend your travel time.

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

As of January 2026, there are 2 flights per day flying from Seoul to London. The most common time of day flights depart is 10:00, with 73% 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 16 per week as of January 2026. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.

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.

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.

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

Beijing (PEK) was the most common stop: 21% of momondo users choosing one-stop flights on this route connected there.

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

Warsaw (WAW) has the shortest average stopover time for this route: 1h 45m.

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 airlines fly to London?

Asiana Airlines, Korean Air and Air China 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 54% 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.

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

China Eastern, Air China, and China Southern 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 January 2026.

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.

£125 Cheap Flights from Seoul to London in 2026

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 £484 to £829. The lowest price recently found on this route was £345.

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One-way

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16:20 - 06:30

ICN

LGW

23h 10m

1 stop

10:30 - 15:05

LGW

ICN

19h 35m

1 stop

£345China Eastern

Thu, 22 Jan - Wed, 28 Jan

14:30 - 14:00

ICN

LGW

32h 30m

1 stop

17:00 - 11:55

LGW

ICN

33h 55m

1 stop

£346China Eastern

Sun, 25 Jan - Sat, 31 Jan

13:10 - 05:35

ICN

LGW

25h 25m

1 stop

10:30 - 20:45

LGW

ICN

25h 15m

1 stop

£354Multiple Airlines

Thu, 29 Jan - Mon, 2 Feb

10:55 - 18:35

ICN

LHR

40h 40m

1 stop

21:30 - 22:15

LHR

ICN

15h 45m

1 stop

£373China Southern

Tue, 27 Jan - Mon, 2 Feb

09:25 - 18:35

ICN

LHR

18h 10m

1 stop

22:00 - 15:15

LHR

ICN

32h 15m

1 stop

£381China Southern

Tue, 3 Mar - Mon, 9 Mar

18:25 - 11:30

ICN

STN

26h 05m

2 stops

20:25 - 15:05

STN

ICN

33h 40m

2 stops

£381Multiple Airlines

Sun, 1 Mar - Tue, 10 Mar

14:25 - 15:55

GMP

LHR

34h 30m

1 stop

20:25 - 13:05

LHR

GMP

31h 40m

1 stop

£407Air China

Sun, 1 Mar - Tue, 10 Mar

14:25 - 15:55

GMP

LHR

34h 30m

1 stop

20:25 - 13:05

LHR

GMP

31h 40m

1 stop

£419Air China

Sun, 1 Mar - Thu, 12 Mar

23:05 - 07:15

ICN

LCY

17h 10m

1 stop

17:05 - 16:55

LCY

ICN

14h 50m

1 stop

£465KLM

Thu, 22 Jan - Mon, 26 Jan

22:25 - 17:20

ICN

LCY

26h 55m

1 stop

08:25 - 16:25

LCY

ICN

24h 00m

1 stop

£531KLM

Tue, 31 Mar - Tue, 14 Apr

Scandinavian Airlines flights from Seoul to London

Our best Scandinavian Airlines deals on Seoul to London flight tickets

Scandinavian Airlines

9 Mar

ICN23:45Incheon Intl

30h 55m

1 stop

LHR21:40London Heathrow

19 Mar

LHR06:40London Heathrow

27h 20m

1 stop

ICN19:00Incheon Intl

£413

Scandinavian Airlines

11 Mar

ICN23:45Incheon Intl

18h 35m

1 stop

LHR09:20London Heathrow

17 Mar

LHR17:00London Heathrow

17h 00m

1 stop

ICN19:00Incheon Intl

£420

Scandinavian Airlines

25 Feb

ICN23:45Incheon Intl

26h 55m

1 stop

LHR17:40London Heathrow

5 Mar

LHR17:00London Heathrow

17h 00m

1 stop

ICN19:00Incheon Intl

£421

China Eastern flights from Seoul to London

Our best China Eastern deals on Seoul to London flight tickets

China Eastern

22 Jan

ICN16:20Incheon Intl

23h 10m

1 stop

LGW06:30London Gatwick

1 Feb

LGW10:30London Gatwick

19h 35m

1 stop

ICN15:05Incheon Intl

£345

China Eastern

21 Jan

ICN16:10Incheon Intl

30h 50m

1 stop

LGW14:00London Gatwick

28 Jan

LGW10:30London Gatwick

19h 50m

1 stop

ICN15:20Incheon Intl

£346

China Eastern

21 Jan

ICN16:10Incheon Intl

30h 50m

1 stop

LGW14:00London Gatwick

31 Jan

LGW17:00London Gatwick

33h 55m

1 stop

ICN11:55Incheon Intl

£346

Fly from

Fly to

Route

Depart

Return

Price

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Thu 22/1

16:20-06:30

1 stop23h 10m

London Gatwick

Wed 28/1

10:30-15:05

1 stop19h 35m

£345

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Sun 25/1

14:30-14:00

1 stop32h 30m

London Gatwick

Sat 31/1

17:00-11:55

1 stop33h 55m

£346

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Thu 29/1

13:10-05:35

1 stop25h 25m

London Gatwick

Mon 2/2

10:30-20:45

1 stop25h 15m

£354

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 27/1

10:55-18:35

1 stop40h 40m

London Heathrow

Mon 2/2

21:30-22:15

1 stop15h 45m

£373

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 3/3

09:25-18:35

1 stop18h 10m

London Heathrow

Mon 9/3

22:00-15:15

1 stop32h 15m

£381

IncheonLondon

ICN - STN

ICNSTN

Incheon Intl

Sun 1/3

18:25-11:30

2 stops26h 05m

London Stansted

Tue 10/3

20:25-15:05

2 stops33h 40m

£381

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sun 1/3

14:25-15:55

1 stop34h 30m

London Heathrow

Tue 10/3

20:25-13:05

1 stop31h 40m

£407

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sun 1/3

14:25-15:55

1 stop34h 30m

London Heathrow

Thu 12/3

20:25-13:05

1 stop31h 40m

£419

IncheonLondon

ICN - LCY

ICNLCY

Incheon Intl

Thu 22/1

23:05-07:15

1 stop17h 10m

London City

Mon 26/1

17:05-16:55

1 stop14h 50m

£465

IncheonLondon

ICN - LCY

ICNLCY

Incheon Intl

Tue 31/3

22:25-17:20

1 stop26h 55m

London City

Tue 14/4

08:25-16:25

1 stop24h 00m

£531

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

Delays

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 June. Flight prices, which tend to average around £479, are often lower during this time because this is during the off-season. The month of December is another great option to travel to London, with average flight prices from Seoul averaging around £513.

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 £498. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Seoul to London for around £779.

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 £665 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 £559 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 25% 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 January 2026, prices for Seoul to London flights are approximately 5% 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	£470
Fastest flight time	14h 30m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from Seoul in the past 72 hours is £470. The best return flight deal from Seoul to London found on momondo in the last 72 hours is £498.

The fastest flight from Seoul to London takes 14h 30m

Direct flights go from Seoul to London every day.

There are 6 airports in London. From Seoul there are direct flights to 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 30m, 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 January 2026.
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 52.81% of the total bookings. Other popular models include Airbus A350-900 with 39.29%, Boeing 787-9 Dreamliner with 6.06%, and Boeing 747-8 with 1.41%.
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 28% of the total bookings. Other popular airlines include Air China with 26%, Asiana Airlines with 18%, and Lufthansa with 16%.

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 £353	Free Cancellation	Rating 7.2 188 reviews	Search China Eastern flights
Air China	PriceFrom £439	Free Cancellation	Rating 7.2 136 reviews	Search Air China flights
Asiana Airlines	PriceFrom £483	Free Cancellation	Rating 8.2 500 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom £720	Free Cancellation	Rating 8.4 1,187 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 £720 round-trip, up to an average price of £868. 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, 500 ratings). Asiana Airlines flies from Seoul to London around 2 times per week, with deals starting from £483 round-trip and rising to an average price of around £559.

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Luton

Milton Keynes

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Dover

Worthing

Hounslow

Bedford

Ramsgate

Colchester

Folkestone

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 £125

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 21/1. 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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Scandinavian Airlines flights from Seoul to London

Our best Scandinavian Airlines deals on Seoul to London flight tickets

China Eastern flights from Seoul to London

Our best China Eastern deals on Seoul to London flight tickets

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See travel insights to London from

How to get the cheapest flight ticket from Seoul to London

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 Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £498. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Seoul to London for around £779.

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 25% 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 January 2026, prices for Seoul to London flights are approximately 5% cheaper when compared to flights at the same time last year.

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

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

Which airlines fly 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.

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

Beijing (PEK) was the most common stop: 21% 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 £353.

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?

Warsaw (WAW) has the shortest average stopover time for this route: 1h 45m.

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

As of January 2026, there are 2 flights per day flying from Seoul to London. The most common time of day flights depart is 10:00, with 73% 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 16 per week as of January 2026. The most frequent departure day is Mon, with 19% 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?