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

Flights via Warsaw (WAW) offer the lowest average round-trip price of $564.

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 54% 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.

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 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 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 has the shortest travel time from Seoul to London?

Flights connecting via Beijing (PEK) have the shortest average one-way travel time: 14h 05m.

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

As of December 2025, 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.

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

China Eastern, China Southern, and Malaysia Airlines 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 Incheon or Seoul, and flying into London, then you can expect flight times to average 14h 30m and 19h 05m, respectively.

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

Shanghai (PVG) was the most common stop: 44% of momondo users choosing 1-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 December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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 December 2025, 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.

$197 Cheap Flights from Seoul to London in 2025/26

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Find the cheapest flights from Seoul to London

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:25 pm - 2:00 pm

ICN

LGW

28h 35m1 stop

10:30 am - 2:55 pm

LGW

ICN

19h 25m2 stops

$553China Eastern

Fri, Jan 30 - Fri, Feb 6

6:25 pm - 5:30 pm

ICN

LHR

32h 05m1 stop

9:00 pm - 3:05 pm

LHR

ICN

33h 05m1 stop

$555China Eastern

Sat, Jan 31 - Sat, Feb 7

9:25 am - 6:05 pm

ICN

LHR

16h 40m1 stop

10:10 pm - 1:55 pm

LHR

ICN

31h 45m1 stop

$558China Southern

Thu, May 21 - Sun, May 31

1:10 pm - 2:55 pm

ICN

LGW

34h 45m2 stops

5:00 pm - 5:25 pm

LGW

ICN

15h 25m1 stop

$572Multiple Airlines

Wed, Jan 14 - Tue, Jan 20

2:50 pm - 5:30 pm

ICN

LHR

35h 40m3 stops

8:50 pm - 4:35 pm

LHR

ICN

34h 45m2 stops

$589Multiple Airlines

Wed, Jan 14 - Tue, Jan 20

4:45 pm - 7:00 pm

ICN

LHR

34h 15m1 stop

10:10 pm - 3:25 pm

LHR

ICN

33h 15m1 stop

$592China Southern

Tue, Jun 2 - Wed, Jun 17

4:20 pm - 5:30 pm

ICN

LHR

34h 10m1 stop

9:00 pm - 3:20 pm

LHR

ICN

33h 20m1 stop

$599China Eastern

Tue, Jan 13 - Tue, Jan 20

5:50 pm - 6:40 am

ICN

LHR

21h 50m1 stop

1:55 pm - 9:55 pm

LHR

ICN

23h 00m1 stop

$622Etihad Airways

Tue, Feb 24 - Thu, Mar 5

11:45 pm - 2:30 pm

ICN

LHR

23h 45m1 stop

1:55 pm - 9:55 pm

LHR

ICN

23h 00m1 stop

$623Etihad Airways

Wed, Feb 25 - Thu, Mar 5

12:10 am - 3:25 pm

ICN

LHR

24h 15m1 stop

9:25 pm - 6:30 am

LHR

ICN

24h 05m1 stop

$632Malaysia Airlines

Sat, Jan 31 - Sun, Feb 1

China Southern flights from Seoul to London

Our best China Southern deals on Seoul to London flight tickets

China Southern

May 21

ICN9:25 amIncheon Intl

16h 40m

1 stop

LHR6:05 pmLondon Heathrow

May 31

LHR10:10 pmLondon Heathrow

31h 45m

1 stop

ICN1:55 pmIncheon Intl

$558

Find similar

China Southern

Jun 2

ICN4:45 pmIncheon Intl

34h 15m

1 stop

LHR7:00 pmLondon Heathrow

Jun 17

LHR10:10 pmLondon Heathrow

33h 15m

1 stop

ICN3:25 pmIncheon Intl

$592

Find similar

China Southern

Jun 2

ICN4:45 pmIncheon Intl

34h 15m

1 stop

LHR7:00 pmLondon Heathrow

Jun 15

LHR10:10 pmLondon Heathrow

33h 15m

1 stop

ICN3:25 pmIncheon Intl

$593

Find similar

Malaysia Airlines flights from Seoul to London

Our best Malaysia Airlines deals on Seoul to London flight tickets

Malaysia Airlines

Jan 31

ICN12:10 amIncheon Intl

24h 15m

1 stop

LHR3:25 pmLondon Heathrow

Feb 1

LHR9:25 pmLondon Heathrow

24h 05m

1 stop

ICN6:30 amIncheon Intl

$632

Find similar

Malaysia Airlines

Feb 23

ICN11:05 amIncheon Intl

37h 20m

1 stop

LHR3:25 pmLondon Heathrow

Feb 28

LHR10:25 amLondon Heathrow

25h 30m

1 stop

ICN8:55 pmIncheon Intl

$637

Find similar

Malaysia Airlines

Jan 31

ICN11:05 amIncheon Intl

37h 20m

1 stop

LHR3:25 pmLondon Heathrow

Feb 5

LHR10:25 amLondon Heathrow

25h 30m

1 stop

ICN8:55 pmIncheon Intl

$640

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Fri 1/30

6:25 pm-2:00 pm

1 stop28h 35m

London Gatwick

Fri 2/6

10:30 am-2:55 pm

2 stops19h 25m

$553

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 1/31

6:25 pm-5:30 pm

1 stop32h 05m

London Heathrow

Sat 2/7

9:00 pm-3:05 pm

1 stop33h 05m

$555

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 5/21

9:25 am-6:05 pm

1 stop16h 40m

London Heathrow

Sun 5/31

10:10 pm-1:55 pm

1 stop31h 45m

$558

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Wed 1/14

1:10 pm-2:55 pm

2 stops34h 45m

London Gatwick

Tue 1/20

5:00 pm-5:25 pm

1 stop15h 25m

$572

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 1/14

2:50 pm-5:30 pm

3 stops35h 40m

London Heathrow

Tue 1/20

8:50 pm-4:35 pm

2 stops34h 45m

$589

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 6/2

4:45 pm-7:00 pm

1 stop34h 15m

London Heathrow

Wed 6/17

10:10 pm-3:25 pm

1 stop33h 15m

$592

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 1/13

4:20 pm-5:30 pm

1 stop34h 10m

London Heathrow

Tue 1/20

9:00 pm-3:20 pm

1 stop33h 20m

$599

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 2/24

5:50 pm-6:40 am

1 stop21h 50m

London Heathrow

Thu 3/5

1:55 pm-9:55 pm

1 stop23h 00m

$622

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 2/25

11:45 pm-2:30 pm

1 stop23h 45m

London Heathrow

Thu 3/5

1:55 pm-9:55 pm

1 stop23h 00m

$623

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 1/31

12:10 am-3:25 pm

1 stop24h 15m

London Heathrow

Sun 2/1

9:25 pm-6:30 am

1 stop24h 05m

$632

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 March. Flight prices, which tend to average around $644, are often lower during this time because this is during the off-season. The month of June is another great option to travel to London, with average flight prices from Seoul averaging around $645.

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 $902. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,111. 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 $1,017. 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 $865 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 $748 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.

Can stopping save me money on Seoul to London flights?

You could potentially save up to 53% 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 December 2025, prices for Seoul to London flights are approximately 37% 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	$346
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 $346. The best round-trip flight deal from Seoul to London found on momondo in the last 72 hours is $670.

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 December 2025, 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 50.40% of all bookings. The subsequent popular models are Airbus A350-900 at 44.04%, Boeing 787-9 Dreamliner at 2.61%, and Boeing 747-8 at 2.50%.
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 Asiana Airlines, representing 30% of all bookings. The subsequent popular airlines are Air China at 24%, China Eastern at 24%, and China Southern at 11%.

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 $552	Free Cancellation	Rating 7.1 129 reviews	Search Air China flights
Asiana Airlines	PriceFrom $629	Free Cancellation	Rating 8.2 493 reviews	Search Asiana Airlines flights
Lufthansa	PriceFrom $754	Free Cancellation	Rating 6.8 7,637 reviews	Search Lufthansa flights
Korean Air	PriceFrom $847	Free Cancellation	Rating 8.4 1,186 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 1,186 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 $1,103 for Korean Air flights on this route.
Asiana Airlines Flights From Seoul to London
Asiana Airlines (8.2/10 from 493 reviews) operates around 7 flights from Seoul to London in any given week. The average Asiana Airlines airfare for this route is around $853, 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

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Wembley

Watford

Ilford

Cobham

Folkestone

Romford

Richmond

Uxbridge

Stansted

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.