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

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

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

How long does it take to fly to London?

If you’re flying from a popular airport in Seoul, such as Seoul or Incheon, and flying into London, then you can expect flight times to average 14h 05m and 14h 25m, respectively.

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

Abu Dhabi (AUH) has the shortest average layover time for this route: 1h 15m.

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

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

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

Flights connecting via Beijing (PEK) have the shortest average one-way travel time: 15h 47m.

What 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 47% of people opting to fly with this airline when traveling to London. Keep in mind that there are 5 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

Shanghai (PVG) was the most common stop: 48% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Beijing (PKX) offer the lowest average round-trip price of $473.

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

Prices for flights from Seoul to London were last updated today.

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

As of July 2025, there are 5 operators available to choose from for flights from Seoul to London.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to London.

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

The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$277 Cheap Flights from Seoul to London in 2025

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Find the cheapest flights from Seoul to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

11:45 pm - 4:25 pmICN-LHR

25h 40m2 stops

10:20 am - 7:00 pmLHR-ICN

23h 40m1 stop

$578Scandinavian Airlines

Find Deal

Fri, Nov 28 - Sun, Nov 30

1:30 pm - 6:05 pmGMP-LHR

36h 35m1 stop

9:00 pm - 12:25 pmLHR-GMP

31h 25m1 stop

$593China Southern

Find Deal

Wed, Aug 27 - Wed, Sep 3

1:30 pm - 6:05 pmGMP-LHR

36h 35m1 stop

9:00 pm - 12:25 pmLHR-GMP

31h 25m1 stop

$595China Southern

Find Deal

Tue, Aug 26 - Tue, Sep 2

6:25 pm - 4:00 pmICN-LGW

29h 35m1 stop

11:35 am - 2:50 pmLGW-ICN

19h 15m1 stop

$635China Eastern

Find Deal

Sat, Aug 16 - Sun, Aug 24

12:55 pm - 3:00 pmICN-LGW

34h 05m1 stop

11:35 am - 8:45 pmLGW-ICN

25h 10m1 stop

$643China Eastern

Find Deal

Tue, Aug 12 - Tue, Aug 19

12:10 am - 3:25 pmICN-LHR

24h 15m1 stop

9:25 pm - 6:30 amLHR-ICN

24h 05m1 stop

$647Malaysia Airlines

Find Deal

Sat, Jan 17 - Mon, Jan 26

12:10 am - 3:25 pmICN-LHR

24h 15m1 stop

9:25 pm - 6:30 amLHR-ICN

24h 05m1 stop

$649Malaysia Airlines

Find Deal

Thu, Jan 22 - Sun, Jan 25

10:05 am - 9:45 pmICN-LHR

19h 40m1 stop

8:45 am - 8:25 amLHR-ICN

15h 40m1 stop

$656SWISS

Find Deal

Wed, Sep 10 - Tue, Sep 16

1:05 pm - 6:35 amICN-LGW

25h 30m1 stop

12:35 pm - 4:35 pmLGW-ICN

20h 00m1 stop

$708Air China

Find Deal

Tue, Aug 26 - Tue, Sep 2

2:25 pm - 8:30 pmGMP-LHR

14h 05m1 stop

10:40 pm - 1:05 pmLHR-GMP

30h 25m1 stop

$714Air China

Find Deal

Thu, Sep 11 - Wed, Sep 17

Air China flights from Seoul to London

Our best Air China deals on Seoul to London flight tickets

Air China

Aug 26

ICN1:05 pmIncheon Intl

25h 30m

1 stop

LGW6:35 amLondon Gatwick

Sep 2

LGW12:35 pmLondon Gatwick

20h 00m

1 stop

ICN4:35 pmIncheon Intl

$708

Find similar

Air China

Sep 11

GMP2:25 pmSeoul Gimpo Intl

14h 05m

1 stop

LHR8:30 pmLondon Heathrow

Sep 17

LHR10:40 pmLondon Heathrow

30h 25m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$714

Find similar

Air China

Dec 18

GMP2:25 pmSeoul Gimpo Intl

34h 30m

1 stop

LHR3:55 pmLondon Heathrow

Jan 1

LHR8:25 pmLondon Heathrow

31h 40m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$718

Find similar

Lufthansa flights from Seoul to London

Our best Lufthansa deals on Seoul to London flight tickets

Lufthansa

Nov 27

ICN1:05 pmIncheon Intl

18h 15m

1 stop

LHR10:20 pmLondon Heathrow

Dec 11

LHR7:40 amLondon Heathrow

18h 35m

1 stop

ICN11:15 amIncheon Intl

$680

Find similar

Lufthansa

Dec 9

ICN1:05 pmIncheon Intl

18h 15m

1 stop

LHR10:20 pmLondon Heathrow

Dec 16

LHR8:45 amLondon Heathrow

17h 30m

1 stop

ICN11:15 amIncheon Intl

$682

Find similar

Lufthansa

Jan 1

ICN1:05 pmIncheon Intl

18h 15m

1 stop

LHR10:20 pmLondon Heathrow

Jan 11

LHR8:45 amLondon Heathrow

17h 30m

1 stop

ICN11:15 amIncheon Intl

$683

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 11/28

11:45 pm-4:25 pm

2 stops25h 40m

London Heathrow

Sun 11/30

10:20 am-7:00 pm

1 stop23h 40m

$578

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 8/27

1:30 pm-6:05 pm

1 stop36h 35m

London Heathrow

Wed 9/3

9:00 pm-12:25 pm

1 stop31h 25m

$593

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Tue 8/26

1:30 pm-6:05 pm

1 stop36h 35m

London Heathrow

Tue 9/2

9:00 pm-12:25 pm

1 stop31h 25m

$595

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Sat 8/16

6:25 pm-4:00 pm

1 stop29h 35m

London Gatwick

Sun 8/24

11:35 am-2:50 pm

1 stop19h 15m

$635

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Tue 8/12

12:55 pm-3:00 pm

1 stop34h 05m

London Gatwick

Tue 8/19

11:35 am-8:45 pm

1 stop25h 10m

$643

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 1/17

12:10 am-3:25 pm

1 stop24h 15m

London Heathrow

Mon 1/26

9:25 pm-6:30 am

1 stop24h 05m

$647

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 1/22

12:10 am-3:25 pm

1 stop24h 15m

London Heathrow

Sun 1/25

9:25 pm-6:30 am

1 stop24h 05m

$649

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 9/10

10:05 am-9:45 pm

1 stop19h 40m

London Heathrow

Tue 9/16

8:45 am-8:25 am

1 stop15h 40m

$656

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Tue 8/26

1:05 pm-6:35 am

1 stop25h 30m

London Gatwick

Tue 9/2

12:35 pm-4:35 pm

1 stop20h 00m

$708

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Thu 9/11

2:25 pm-8:30 pm

1 stop14h 05m

London Heathrow

Wed 9/17

10:40 pm-1:05 pm

1 stop30h 25m

$714

Flights are sorted by cheapest round-trip 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

Layovers

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 $594, 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 $615.

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

The cheapest day to depart from Seoul to London is on a Monday. Travelers who choose to depart for London on a Monday will often find tickets for as low as $978. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,121. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Seoul in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $541 when looking at flights departing in the afternoon. Flights to London are more costly at noon, with an average ticket price of $1,069. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $854 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Seoul for as low as $759 on momondo.

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

There are 2 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 July 2025, prices for Seoul to London flights are approximately 21% 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 round-trip 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	$277
Fastest flight time	14h 05m
Direct flights	Every day
Airports in London	3 airports

The best one-way flight to London from Seoul in the past 72 hours is $277. The best round-trip flight deal from Seoul to London found on momondo in the last 72 hours is $578.

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

Direct flights go from Seoul to London every day.

There are 3 airports near London: London City (LCY), London Heathrow (LHR), London Gatwick (LGW)

Search flight deals

How far is Seoul to London by plane?
Seoul and London are 5501.4 mi apart from one another. 14h 05m is a normal flight duration for this route.
When did momondo last update prices for flights from Seoul to London?
Prices for flights from Seoul to London were last updated today.
How many operators does momondo search for flights from Seoul to London?
As of July 2025, there are 5 operators available to choose from for flights from Seoul to London.
How old do you have to be to fly from Seoul to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Seoul to London?
momondo data reveals that the most frequently booked plane model on the route from Seoul to London is Boeing 777-300ER, representing 47.15% of all bookings. The subsequent popular models are Airbus A350-900 at 43.87%, Boeing 747-8 at 8.69%, and Embraer 190 at 0.15%.
What is the most popular airline from Seoul to London?
momondo data reveals that the most frequently booked airline on the route from Seoul to London is China Eastern, representing 37% of all bookings. The subsequent popular airlines are Air China at 28%, Asiana Airlines at 20%, and Korean Air at 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
Air China	PriceFrom $550	Free Cancellation	Rating 7.3 93 reviews	Search Air China flights
Etihad Airways	PriceFrom $672	Free Cancellation	Rating 7.4 1,230 reviews	Search Etihad Airways flights
Lufthansa	PriceFrom $682	Free Cancellation	Rating 6.8 7,275 reviews	Search Lufthansa flights
Asiana Airlines	PriceFrom $822	Free Cancellation	Rating 8.2 468 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $847	Free Cancellation	Rating 8.4 1,121 reviews	Search Korean Air flights

Korean Air Flights From Seoul to London
Korean Air flies from Seoul to London around 7 times per week, with 1,121 momondo users rating the airline 8.4/10. The cheapest Korean Air deal from Seoul to London in the last 72 hours was $847 (round-trip), much lower than the average airfare cost of $1,216 for Korean Air flights on this route.
Asiana Airlines Flights From Seoul to London
Asiana Airlines (8.2/10 from 468 reviews) operates around 7 flights from Seoul to London in any given week. The average Asiana Airlines airfare for this route is around $975, with deals from around $822 rare but found on momondo. Referenced prices are for round-trip Seoul to London flight searches in the last 72 hours.

Gatwick

Hounslow

Dover

Slough

Luton

Dartford

Guildford

Milton Keynes

Stansted

Hayes

Crawley

Croydon

Chelmsford

Ilford

Brentwood

Colchester

Folkestone

Watford

Canterbury

Richmond

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Seoul.

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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

Price alerts on flights to London from Seoul are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.