What is the cheapest airline that flies from South Korea to London?

China Eastern is the most popular carrier operating from South Korea to London

How long does it take to fly to London?

Flight times from South Korea 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 11h 30m on average. Another popular route from South Korea to London is flying from Seoul to London Heathrow Airport, which will take roughly 14h 05m. Keep in mind that layovers or delays could extend your travel time.

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

3 flights are operational daily from South Korea to London as of September 2025. The most popular departure time for this route is 10:00, with 66% of flights per day taking off at midday.

Which airlines fly to London?

Asiana Airlines, Korean Air and China Eastern are the top three most popular airlines that fly to London from South Korea according to our data. Asiana Airlines is the first choice among our users, with 47% of people opting to fly with this airline when travelling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

How many flights depart from South Korea to London on average per week?

As of September 2025, there are 21 flights per week flying from South Korea to London. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

Prices for flights from South Korea to London are updated daily.

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

As of September 2025, there are 3 operators available to choose from for flights from South Korea to London.

How old do you have to be to fly from South Korea 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 South Korea 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.

£160 Cheap Flights from South Korea to London in 2025/26

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Find the cheapest flights from South Korea to London

Round-trip

One-way

Last minute

Direct

Recent return flight deals from South Korea to London

17:50 - 06:30PUS-LGW

21h 40m1 stop

10:30 - 16:50LGW-PUS

21h 20m1 stop

£384China Eastern

Find Deal

Wed, 5 Nov - Tue, 11 Nov

17:50 - 06:30PUS-LGW

21h 40m1 stop

17:00 - 11:35LGW-PUS

33h 35m1 stop

£385China Eastern

Find Deal

Wed, 5 Nov - Sun, 9 Nov

13:45 - 17:55GMP-LHR

37h 10m1 stop

21:30 - 12:25LHR-GMP

29h 55m1 stop

£445China Southern

Find Deal

Tue, 16 Dec - Sat, 3 Jan

14:25 - 20:30GMP-LHR

14h 05m1 stop

17:40 - 13:05LHR-GMP

34h 25m1 stop

£445Air China

Find Deal

Thu, 23 Oct - Thu, 30 Oct

13:45 - 17:55GMP-LHR

37h 10m1 stop

21:30 - 12:25LHR-GMP

29h 55m1 stop

£446China Southern

Find Deal

Mon, 3 Nov - Sun, 16 Nov

14:25 - 15:55GMP-LHR

34h 30m1 stop

17:40 - 13:05LHR-GMP

34h 25m1 stop

£448Air China

Find Deal

Sat, 20 Dec - Fri, 9 Jan

12:20 - 18:50ICN-LHR

14h 30mdirect

20:10 - 17:45LHR-ICN

12h 35mdirect

£506Asiana Airlines

Find Deal

Tue, 21 Oct - Mon, 3 Nov

12:20 - 18:50ICN-LHR

14h 30mdirect

20:10 - 17:45LHR-ICN

12h 35mdirect

£509Asiana Airlines

Find Deal

Wed, 22 Oct - Fri, 31 Oct

13:05 - 08:05ICN-LHR

28h 00m2 stops

08:45 - 11:15LHR-ICN

17h 30m1 stop

£523Lufthansa

Find Deal

Wed, 14 Jan - Tue, 10 Feb

13:05 - 22:20ICN-LHR

18h 15m1 stop

06:35 - 10:50LHR-ICN

19h 15m2 stops

£528Lufthansa

Find Deal

Tue, 13 Jan - Wed, 28 Jan

Scandinavian Airlines flights from South Korea to London

Our best Scandinavian Airlines deals on South Korea to London flight tickets

Scandinavian Airlines

27 Oct

ICN23:45Incheon Intl

23h 50m

2 stops

LHR14:35London Heathrow

2 Nov

LHR15:35London Heathrow

18h 25m

2 stops

ICN19:00Incheon Intl

£508

Find similar

Scandinavian Airlines

12 Jan

ICN23:45Incheon Intl

27h 45m

1 stop

LHR18:30London Heathrow

15 Jan

LHR10:35London Heathrow

23h 25m

2 stops

ICN19:00Incheon Intl

£508

Find similar

Scandinavian Airlines

27 Oct

ICN23:45Incheon Intl

23h 50m

2 stops

LHR14:35London Heathrow

13 Nov

LHR18:40London Heathrow

15h 20m

1 stop

ICN19:00Incheon Intl

£511

Find similar

China Southern flights from South Korea to London

Our best China Southern deals on South Korea to London flight tickets

China Southern

16 Dec

GMP13:45Seoul Gimpo Intl

37h 10m

1 stop

LHR17:55London Heathrow

3 Jan

LHR21:30London Heathrow

29h 55m

1 stop

GMP12:25Seoul Gimpo Intl

£445

Find similar

China Southern

3 Nov

GMP13:45Seoul Gimpo Intl

37h 10m

1 stop

LHR17:55London Heathrow

16 Nov

LHR21:30London Heathrow

29h 55m

1 stop

GMP12:25Seoul Gimpo Intl

£446

Find similar

China Southern

14 Dec

GMP13:45Seoul Gimpo Intl

37h 10m

1 stop

LHR17:55London Heathrow

11 Jan

LHR21:30London Heathrow

29h 55m

1 stop

GMP12:25Seoul Gimpo Intl

£449

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BusanLondon

PUS - LGW

PUSLGW

Busan Gimhae

Wed 5/11

17:50-06:30

1 stop21h 40m

London Gatwick

Tue 11/11

10:30-16:50

1 stop21h 20m

£384

BusanLondon

PUS - LGW

PUSLGW

Busan Gimhae

Wed 5/11

17:50-06:30

1 stop21h 40m

London Gatwick

Sun 9/11

17:00-11:35

1 stop33h 35m

£385

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Tue 16/12

13:45-17:55

1 stop37h 10m

London Heathrow

Sat 3/1

21:30-12:25

1 stop29h 55m

£445

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Thu 23/10

14:25-20:30

1 stop14h 05m

London Heathrow

Thu 30/10

17:40-13:05

1 stop34h 25m

£445

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 3/11

13:45-17:55

1 stop37h 10m

London Heathrow

Sun 16/11

21:30-12:25

1 stop29h 55m

£446

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sat 20/12

14:25-15:55

1 stop34h 30m

London Heathrow

Fri 9/1

17:40-13:05

1 stop34h 25m

£448

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 21/10

12:20-18:50

Nonstop14h 30m

London Heathrow

Mon 3/11

20:10-17:45

Nonstop12h 35m

£506

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 22/10

12:20-18:50

Nonstop14h 30m

London Heathrow

Fri 31/10

20:10-17:45

Nonstop12h 35m

£509

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 14/1

13:05-08:05

2 stops28h 00m

London Heathrow

Tue 10/2

08:45-11:15

1 stop17h 30m

£523

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 13/1

13:05-22:20

1 stop18h 15m

London Heathrow

Wed 28/1

06:35-10:50

2 stops19h 15m

£528

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 South Korea 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

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from South Korea is in December. Flight prices, which tend to average around £453, 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 South Korea averaging around £454.

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

Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £662. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from South Korea to London for around £838.

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 £531. Flights at midday are often more expensive, with an average ticket price of £812.

What is the cheapest South Korea to London flight route?

Fly from Incheon Intl to London Heathrow for the best South Korea - 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 South Korea when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £625 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 South Korea for as low as £552 on momondo.

What cabin class options are available on South Korea to London flights?

There are 4 cabin classes available to choose from on South Korea 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 South Korea to London flights?

You could potentially save up to 14% on your flight if you consider stops on a South Korea to London flight.

Cheap South Korea to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Korea to London

Best price found	£387
Fastest flight time	14h 25m
Direct flights	Every day
Airports in London	1 airport

The best one-way flight to London from South Korea in the past 72 hours is £387. The best return flight deal from South Korea to London found on momondo in the last 72 hours is £629.

The fastest flight from South Korea to London takes 14h 25m

Direct flights go from South Korea to London every day.

There is 1 airport near London: London Heathrow (LHR)

Search flight deals

When did momondo last update prices for flights from South Korea to London?
Prices for flights from South Korea to London are updated daily.
How many operators does momondo search for flights from South Korea to London?
As of September 2025, there are 3 operators available to choose from for flights from South Korea to London.
How old do you have to be to fly from South Korea 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 South Korea 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 South Korea to London?
momondo data reveals that the most frequently booked plane model on the route from South Korea to London is Airbus A350-900, representing 46.27% of all bookings. The subsequent popular models are Boeing 777-300ER at 43.37%, Boeing 747-8 at 9.97%, and Embraer 190 at 0.19%.

Best airlines flying from South Korea to London

Compare and see reviews for airlines that fly from South Korea to London with momondo

Airline	Rating	Free Cancellation	Price
China Eastern	PriceFrom £348	Free Cancellation	Rating 7.2 166 reviews	Search China Eastern flights
Asiana Airlines	PriceFrom £636	Free Cancellation	Rating 8.2 481 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom £660	Free Cancellation	Rating 8.4 1,140 reviews	Search Korean Air flights

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Maidstone

Gatwick

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Worthing

Chelmsford

Dover

Hayes

Dartford

Winchester

Hounslow

Stansted

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from South Korea to London. momondo saves you time and could save you money on your trip.

Can I find flights from South Korea to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from South Korea which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from South Korea 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 South Korea to London.

I’m not ready to book a flight from South Korea to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from South Korea. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.