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 February 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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

Shanghai (PVG) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

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

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

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

As of February 2026, there are 3 flights per day flying from Seoul to London. The most common time of day flights depart is 10:00AM, with 66% 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: 14h 03m.

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

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

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

Flights via Shanghai (PVG) offer the lowest average round-trip price of $512.

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

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

How long does it take to fly to London?

If you’re flying from a popular airport in Seoul, such as Incheon or Seoul, and flying into London, then you can expect flight times to average 14h 30m and 28h 35m, respectively.

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 airlines fly to London?

Asiana Airlines, Lufthansa and Korean Air 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 53% of people opting to fly with this airline when traveling 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.

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.

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 February 2026, there are 4 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.

$178 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 $669 to $874. The lowest price recently found on this route was $448.

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Enter your travel dates to find the best prices.

12:55 pm - 2:00 pm

ICN

LGW

34h 05m

1 stop

5:00 pm - 3:05 pm

LGW

ICN

37h 05m

1 stop

$448China Eastern

Tue, Mar 3 - Mon, Mar 9

4:10 pm - 2:00 pm

ICN

LGW

30h 50m

1 stop

5:00 pm - 3:20 pm

LGW

ICN

37h 20m

1 stop

$451China Eastern

Tue, Mar 3 - Sun, Mar 8

12:55 pm - 3:10 pm

ICN

LGW

34h 15m

1 stop

11:35 am - 5:25 pm

LGW

ICN

21h 50m

1 stop

$482China Eastern

Thu, May 21 - Thu, May 28

1:25 pm - 6:05 pm

GMP

LHR

36h 40m

1 stop

9:00 pm - 12:25 pm

LHR

GMP

31h 25m

1 stop

$521China Southern

Tue, Jun 2 - Mon, Jun 15

3:15 pm - 7:00 pm

ICN

LHR

35h 45m

1 stop

10:10 pm - 3:25 pm

LHR

ICN

33h 15m

1 stop

$525China Southern

Thu, May 21 - Sun, May 31

4:45 pm - 7:10 pm

ICN

LHR

35h 25m

1 stop

9:10 pm - 3:45 pm

LHR

ICN

33h 35m

1 stop

$565Shenzhen Airlines

Tue, Mar 3 - Sun, Mar 8

3:15 pm - 8:00 pm

ICN

LHR

36h 45m

1 stop

10:05 pm - 2:15 pm

LHR

ICN

32h 10m

1 stop

$578Shenzhen Airlines

Thu, May 7 - Sun, May 17

2:25 pm - 3:55 pm

GMP

LHR

34h 30m

1 stop

8:25 pm - 1:05 pm

LHR

GMP

31h 40m

1 stop

$686Air China

Tue, Mar 3 - Tue, Mar 10

2:25 pm - 3:55 pm

GMP

LHR

34h 30m

1 stop

5:40 pm - 1:05 pm

LHR

GMP

34h 25m

1 stop

$707Air China

Mon, Mar 2 - Sun, Mar 8

9:30 am - 5:30 pm

ICN

LCY

16h 00m

1 stop

9:15 am - 7:30 am

LCY

ICN

14h 15m

1 stop

$770SWISS

Mon, Mar 30 - Tue, Apr 14

Shenzhen Airlines flights from Seoul to London

Our best Shenzhen Airlines deals on Seoul to London flight tickets

Shenzhen Airlines

Mar 3

ICN4:45 pmIncheon Intl

35h 25m

1 stop

LHR7:10 pmLondon Heathrow

Mar 8

LHR9:10 pmLondon Heathrow

33h 35m

1 stop

ICN3:45 pmIncheon Intl

$565

Shenzhen Airlines

May 7

ICN3:15 pmIncheon Intl

36h 45m

1 stop

LHR8:00 pmLondon Heathrow

May 17

LHR10:05 pmLondon Heathrow

32h 10m

1 stop

ICN2:15 pmIncheon Intl

$578

Shenzhen Airlines

May 8

ICN4:50 pmIncheon Intl

35h 00m

1 stop

LHR7:50 pmLondon Heathrow

May 16

LHR10:05 pmLondon Heathrow

32h 10m

1 stop

ICN2:15 pmIncheon Intl

$582

Malaysia Airlines flights from Seoul to London

Our best Malaysia Airlines deals on Seoul to London flight tickets

Malaysia Airlines

May 4

ICN11:00 amIncheon Intl

26h 55m

1 stop

LHR5:55 amLondon Heathrow

May 18

LHR9:35 pmLondon Heathrow

25h 35m

1 stop

ICN7:10 amIncheon Intl

$658

Malaysia Airlines

Jun 8

ICN11:00 amIncheon Intl

26h 55m

1 stop

LHR5:55 amLondon Heathrow

Jun 22

LHR9:35 pmLondon Heathrow

25h 35m

1 stop

ICN7:10 amIncheon Intl

$659

Malaysia Airlines

Jun 8

ICN11:00 amIncheon Intl

26h 55m

1 stop

LHR5:55 amLondon Heathrow

Jun 22

LHR9:35 pmLondon Heathrow

25h 35m

1 stop

ICN7:10 amIncheon Intl

$660

Fly from

Fly to

Route

Depart

Return

Price

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Tue 3/3

12:55 pm-2:00 pm

1 stop34h 05m

London Gatwick

Mon 3/9

5:00 pm-3:05 pm

1 stop37h 05m

$448

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Tue 3/3

4:10 pm-2:00 pm

1 stop30h 50m

London Gatwick

Sun 3/8

5:00 pm-3:20 pm

1 stop37h 20m

$451

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Thu 5/21

12:55 pm-3:10 pm

1 stop34h 15m

London Gatwick

Thu 5/28

11:35 am-5:25 pm

1 stop21h 50m

$482

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Tue 6/2

1:25 pm-6:05 pm

1 stop36h 40m

London Heathrow

Mon 6/15

9:00 pm-12:25 pm

1 stop31h 25m

$521

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 5/21

3:15 pm-7:00 pm

1 stop35h 45m

London Heathrow

Sun 5/31

10:10 pm-3:25 pm

1 stop33h 15m

$525

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 3/3

4:45 pm-7:10 pm

1 stop35h 25m

London Heathrow

Sun 3/8

9:10 pm-3:45 pm

1 stop33h 35m

$565

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 5/7

3:15 pm-8:00 pm

1 stop36h 45m

London Heathrow

Sun 5/17

10:05 pm-2:15 pm

1 stop32h 10m

$578

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Tue 3/3

2:25 pm-3:55 pm

1 stop34h 30m

London Heathrow

Tue 3/10

8:25 pm-1:05 pm

1 stop31h 40m

$686

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 3/2

2:25 pm-3:55 pm

1 stop34h 30m

London Heathrow

Sun 3/8

5:40 pm-1:05 pm

1 stop34h 25m

$707

IncheonLondon

ICN - LCY

ICNLCY

Incheon Intl

Mon 3/30

9:30 am-5:30 pm

1 stop16h 00m

London City

Tue 4/14

9:15 am-7:30 am

1 stop14h 15m

$770

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

Delays

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 June. Flight prices, which tend to average around $647, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Seoul averaging around $648.

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

The cheapest day to depart from Seoul to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $875. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,064. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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 $896 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 $775 on momondo.

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

There are 3 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 42% 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 February 2026, prices for Seoul to London flights are approximately 14% 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	$580
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 $580. The best round-trip flight deal from Seoul to London found on momondo in the last 72 hours is $776.

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. 14h 30m 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 February 2026, there are 4 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 49.95% of all bookings. The subsequent popular models are Airbus A350-900 at 34.38%, Boeing 787-9 Dreamliner at 11.34%, and Boeing 747-8 at 3.96%.
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 31% of all bookings. The subsequent popular airlines are Asiana Airlines at 27%, Air China at 22%, and China Southern at 10%.

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 $600	Free Cancellation	Rating 7.2 138 reviews	Search Air China flights
Asiana Airlines	PriceFrom $629	Free Cancellation	Rating 8.1 502 reviews	Search Asiana Airlines flights
Lufthansa	PriceFrom $754	Free Cancellation	Rating 6.8 7,758 reviews	Search Lufthansa flights
Korean Air	PriceFrom $847	Free Cancellation	Rating 8.4 1,188 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 1,188 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 $1,179 for Korean Air flights on this route.
Asiana Airlines Flights From Seoul to London
Asiana Airlines (8.1/10 from 502 reviews) operates around 7 flights from Seoul to London in any given week. The average Asiana Airlines airfare for this route is around $840, with deals from around $629 rare but found on momondo. Referenced prices are for round-trip Seoul to London flight searches in the last 72 hours.

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Guildford

Crawley

Wembley

Dartford

Hayes

Croydon

Brentwood

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

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.

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Flights to Manchesterfrom $362

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Flights to Birminghamfrom $391

Flights to Glasgowfrom $394

Flights to Newcastle upon Tynefrom $451

Flights to Belfastfrom $470

Flights to Bristolfrom $510

Flights to Invernessfrom $423

Flights to Liverpoolfrom $393

Flights to Aberdeenfrom $492

Flights to Leedsfrom $451

Flights to Cardifffrom $467

Cheap flights from Seoul to London from $178

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

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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?

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 3 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 42% 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 February 2026, prices for Seoul to London flights are approximately 14% cheaper when compared to flights at the same time last year.

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

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

What 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 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 which experiences the fewest number of 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 layover for flights between Seoul and London?

Shanghai (PVG) was the most common stop: 50% 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 Shanghai (PVG) offer the lowest average round-trip price of $512.

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: 14h 03m.

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 February 2026, there are 3 flights per day flying from Seoul to London. The most common time of day flights depart is 10:00AM, with 66% of flights taking off at noon.

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 February 2026. 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?

If you’re flying from a popular airport in Seoul, such as Incheon or Seoul, and flying into London, then you can expect flight times to average 14h 30m and 28h 35m, respectively.

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

Traveling 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?