Cheap flights from South Korea to London from £164

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Korea to London departing on 10/11. 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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Find the cheapest flights from South Korea to London

Recent return flight deals from South Korea to London

China Eastern Logo
13:50 - 17:30CJU-LHR
36h 40m1 stop
China Eastern Logo
21:00 - 12:50LHR-CJU
30h 50m1 stop
£417China Eastern
Find Deal
Mon, 10 Nov - Mon, 17 Nov
China Eastern Logo
17:50 - 17:30PUS-LHR
32h 40m1 stop
China Eastern Logo
21:00 - 16:50LHR-PUS
34h 50m1 stop
£417China Eastern
Find Deal
Wed, 5 Nov - Sun, 9 Nov
China Southern Logo
13:45 - 17:55GMP-LHR
37h 10m1 stop
China Southern Logo
21:30 - 12:25LHR-GMP
29h 55m1 stop
£445China Southern
Find Deal
Tue, 16 Dec - Sat, 3 Jan
Air China Logo
14:25 - 20:30GMP-LHR
14h 05m1 stop
Air China Logo
17:40 - 13:05LHR-GMP
34h 25m1 stop
£445Air China
Find Deal
Thu, 23 Oct - Thu, 30 Oct
China Southern Logo
13:45 - 17:55GMP-LHR
37h 10m1 stop
China Southern Logo
21:30 - 12:25LHR-GMP
29h 55m1 stop
£446China Southern
Find Deal
Mon, 3 Nov - Sun, 16 Nov
Air China Logo
14:25 - 15:55GMP-LHR
34h 30m1 stop
Air China Logo
17:40 - 13:05LHR-GMP
34h 25m1 stop
£448Air China
Find Deal
Sat, 20 Dec - Fri, 9 Jan
Asiana Airlines Logo
12:20 - 18:50ICN-LHR
14h 30mdirect
Asiana Airlines Logo
20:10 - 17:45LHR-ICN
12h 35mdirect
£506Asiana Airlines
Find Deal
Tue, 21 Oct - Mon, 3 Nov
Asiana Airlines Logo
12:20 - 18:50ICN-LHR
14h 30mdirect
Asiana Airlines Logo
20:10 - 17:45LHR-ICN
12h 35mdirect
£509Asiana Airlines
Find Deal
Wed, 22 Oct - Fri, 31 Oct
Korean Air Logo
07:40 - 16:30TAE-LHR
17h 50m1 stop
Korean Air Logo
18:50 - 19:45LHR-TAE
15h 55m1 stop
£668Korean Air
Find Deal
Fri, 5 Dec - Thu, 11 Dec
Korean Air Logo
07:40 - 16:30TAE-LHR
17h 50m1 stop
Korean Air Logo
18:50 - 19:45LHR-TAE
15h 55m1 stop
£687Korean Air
Find Deal
Thu, 5 Mar - Mon, 9 Mar

Scandinavian Airlines flights from South Korea to London Heathrow Airport

Our best Scandinavian Airlines deals on South Korea to London Heathrow Airport 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
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
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

China Southern flights from South Korea to London Heathrow Airport

Our best China Southern deals on South Korea to London Heathrow Airport 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
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
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

momondo Fare Finder

 
Customise your flight search to find flights from South Korea to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from South Korea to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Mon 10/11

13:50-17:30

1 stop36h 40m

London Heathrow

Mon 17/11

21:00-12:50

1 stop30h 50m

£417

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 5/11

17:50-17:30

1 stop32h 40m

London Heathrow

Sun 9/11

21:00-16:50

1 stop34h 50m

£417

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

DaeguLondon

TAE - LHR

TAELHR

Daegu

Fri 5/12

07:40-16:30

1 stop17h 50m

London Heathrow

Thu 11/12

18:50-19:45

1 stop15h 55m

£668

DaeguLondon

TAE - LHR

TAELHR

Daegu

Thu 5/3

07:40-16:30

1 stop17h 50m

London Heathrow

Mon 9/3

18:50-19:45

1 stop15h 55m

£687

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from South Korea to London Heathrow Airport

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

What is the cheapest month to fly to London Heathrow Airport?

In general, December is the cheapest month to fly from South Korea to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £543. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from South Korea averaging around £550.

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

On average, the least expensive day to fly to London Heathrow Airport from South Korea is on a Thursday. momondo users have found tickets for Thursday departures for as low as £662. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £838.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from South Korea to London Heathrow Airport in the evening for as low as £497. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £812 on average. Flights to London Heathrow Airport from South Korea at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest South Korea to London Heathrow flight route?

Fly from Incheon Intl to London Heathrow for the best South Korea - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from South Korea when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport 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 Heathrow Airport from South Korea for as low as £552 on momondo.

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

There are 4 cabin classes available to choose from on South Korea to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap South Korea to London Heathrow Airport flight deals and tips

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

Best price found

£387

Fastest flight time

14h 25m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from South Korea in the past 72 hours is £387. The best return flight deal from South Korea to London Heathrow Airport found on momondo in the last 72 hours is £629.
The fastest flight from South Korea to London Heathrow Airport takes 14h 25m
Direct flights go from South Korea to London Heathrow Airport every day.
  • When did momondo last update prices for flights from South Korea to London Heathrow Airport?

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

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

  • How old do you have to be to fly from South Korea to London Heathrow Airport?

    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 South Korea to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?

Best airlines flying from South Korea to London Heathrow Airport

Compare and see reviews for airlines that fly from South Korea to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
China EasternPriceFrom £348Free CancellationRating
7.2
166 reviews
Search China Eastern flights
Asiana AirlinesPriceFrom £636Free CancellationRating
8.2
481 reviews
Search Asiana Airlines flights
Korean AirPriceFrom £660Free CancellationRating
8.4
1,140 reviews
Search Korean Air flights

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Why use momondo?

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

Finding the right flight to London from South Korea is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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?

Once you have performed a search for South Korea to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.

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1 adult
Sat 18/10
Sat 25/10

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