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Cheap flights from London Heathrow Airport to South Korea from £247

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to South Korea departing on 9/11. 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 London Heathrow Airport to South Korea

Cheap return flights

Enter your travel dates to find the best prices.
China Eastern Logo
21:00 - 11:00LHR-GMP
29h 00m1 stop
China Eastern Logo
20:50 - 17:30GMP-LHR
29h 40m1 stop
£338China Eastern
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Thu, 13 Nov - Thu, 20 Nov
China Eastern Logo
21:00 - 11:00LHR-GMP
29h 00m1 stop
China Eastern Logo
20:50 - 17:30GMP-LHR
29h 40m1 stop
£347China Eastern
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Mon, 24 Nov - Mon, 1 Dec
China Southern Logo
21:30 - 12:25LHR-GMP
29h 55m1 stop
China Southern Logo
13:30 - 17:55GMP-LHR
37h 25m1 stop
£360China Southern
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Mon, 10 Nov - Wed, 19 Nov
China Southern Logo
21:30 - 12:25LHR-GMP
29h 55m1 stop
China Southern Logo
13:30 - 17:55GMP-LHR
37h 25m1 stop
£361China Southern
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Sat, 15 Nov - Wed, 26 Nov
China Southern Logo
21:30 - 12:25LHR-GMP
29h 55m1 stop
China Southern Logo
13:30 - 17:55GMP-LHR
37h 25m1 stop
£364China Southern
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Mon, 10 Nov - Wed, 3 Dec
Air China Logo
17:40 - 13:05LHR-GMP
34h 25m1 stop
Air China Logo
14:25 - 17:50GMP-LHR
36h 25m1 stop
£374Air China
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Thu, 27 Nov - Mon, 1 Dec
Air China Logo
20:25 - 13:05LHR-GMP
31h 40m1 stop
Air China Logo
14:25 - 17:50GMP-LHR
36h 25m1 stop
£376Air China
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Mon, 10 Nov - Tue, 18 Nov
Lufthansa Logo
07:40 - 11:15LHR-ICN
18h 35m1 stop
Lufthansa Logo
13:30 - 22:55ICN-LHR
18h 25m1 stop
£424Lufthansa
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Tue, 6 Jan - Mon, 16 Feb
Lufthansa Logo
10:30 - 10:50LHR-ICN
15h 20m1 stop
Lufthansa Logo
13:05 - 20:50ICN-LHR
16h 45m1 stop
£428Lufthansa
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Tue, 17 Mar - Tue, 24 Mar
Asiana Airlines Logo
20:10 - 07:25LHR-CJU
26h 15m1 stop
Asiana Airlines Logo
07:10 - 18:05CJU-LHR
19h 55m1 stop
£805Asiana Airlines
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Sat, 10 Jan - Thu, 12 Mar

Hainan Airlines flights from London Heathrow Airport to South Korea

Our best Hainan Airlines deals on London Heathrow Airport to South Korea flight tickets
Hainan Airlines
10 Nov
LHR21:00London Heathrow
39h 00m
2 stops
ICN21:00Incheon Intl
15 Nov
ICN22:10Incheon Intl
28h 45m
1 stop
LHR17:55London Heathrow
£400
Find similar
Hainan Airlines
10 Nov
LHR21:00London Heathrow
39h 00m
2 stops
ICN21:00Incheon Intl
15 Nov
ICN22:10Incheon Intl
28h 45m
1 stop
LHR17:55London Heathrow
£404
Find similar
Hainan Airlines
3 Nov
LHR21:00London Heathrow
39h 00m
2 stops
ICN21:00Incheon Intl
8 Nov
ICN22:10Incheon Intl
28h 45m
1 stop
LHR17:55London Heathrow
£420
Find similar

Lufthansa flights from London Heathrow Airport to South Korea

Our best Lufthansa deals on London Heathrow Airport to South Korea flight tickets
Lufthansa
6 Jan
LHR07:40London Heathrow
18h 35m
1 stop
ICN11:15Incheon Intl
16 Feb
ICN13:30Incheon Intl
18h 25m
1 stop
LHR22:55London Heathrow
£424
Find similar
Lufthansa
17 Mar
LHR10:30London Heathrow
15h 20m
1 stop
ICN10:50Incheon Intl
24 Mar
ICN13:05Incheon Intl
16h 45m
1 stop
LHR20:50London Heathrow
£428
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momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to South Korea 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 31 October 2025.
Use the filters below to find and compare flights from London Heathrow Airport to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 13/11

21:00-11:00

1 stop29h 00m

Seoul Gimpo Intl

Thu 20/11

20:50-17:30

1 stop29h 40m

£338

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 24/11

21:00-11:00

1 stop29h 00m

Seoul Gimpo Intl

Mon 1/12

20:50-17:30

1 stop29h 40m

£347

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 10/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Wed 19/11

13:30-17:55

1 stop37h 25m

£360

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 15/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Wed 26/11

13:30-17:55

1 stop37h 25m

£361

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 10/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Wed 3/12

13:30-17:55

1 stop37h 25m

£364

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 27/11

17:40-13:05

1 stop34h 25m

Seoul Gimpo Intl

Mon 1/12

14:25-17:50

1 stop36h 25m

£374

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 10/11

20:25-13:05

1 stop31h 40m

Seoul Gimpo Intl

Tue 18/11

14:25-17:50

1 stop36h 25m

£376

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 6/1

07:40-11:15

1 stop18h 35m

Incheon Intl

Mon 16/2

13:30-22:55

1 stop18h 25m

£424

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 17/3

10:30-10:50

1 stop15h 20m

Incheon Intl

Tue 24/3

13:05-20:50

1 stop16h 45m

£428

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 10/1

20:10-07:25

1 stop26h 15m

Jeju City

Thu 12/3

07:10-18:05

1 stop19h 55m

£805

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 South Korea from

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

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 South Korea?

The month of November is, on average, the cheapest month to fly to South Korea from London Heathrow Airport, with most prices found around £450. If you’re not able to fly to South Korea in November, then January is your next best option. Flight prices from London Heathrow Airport to South Korea during January average around £529.

What is the cheapest day to depart on your flight to South Korea?

The cheapest day to depart from London Heathrow Airport to South Korea is on a Tuesday when prices can be found for as low as £903. On the other hand, Saturday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,035.

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

Flying to South Korea from London Heathrow Airport at midday is the least expensive time of day to depart. momondo users have found prices as low as £686 when looking at flights departing at midday. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £1,046 on average. Flights to South Korea from London Heathrow Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

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

How far in advance should I book a flight to South Korea?

You are more likely to see cheaper flights to South Korea from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around £708 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from London Heathrow Airport for as low as £623 on momondo.

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

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

You could potentially save up to 8% on your flight if you consider stops on a London Heathrow Airport to South Korea flight.

Cheap London Heathrow Airport to South Korea flight deals and tips

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

Best price found

£515

Fastest flight time

12h 35m

Direct flights

Every day

Airports in South Korea

1 airport
The best one-way flight to South Korea from London Heathrow Airport in the past 72 hours is £515. The best return flight deal from London Heathrow Airport to South Korea found on momondo in the last 72 hours is £859.
The fastest flight from London Heathrow Airport to South Korea takes 12h 35m
Direct flights go from London Heathrow Airport to South Korea every day.
There is 1 airport near South Korea: Incheon Intl (ICN)
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  • When did momondo last update prices for flights from London Heathrow Airport to South Korea?

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to South Korea.

  • What documentation or ID do you need to fly to South Korea?

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

Best airlines flying from London Heathrow Airport to South Korea

Compare and see reviews for airlines that fly from London Heathrow Airport to South Korea with momondo
Airline
Rating
Free Cancellation
Price
China EasternPriceFrom £336Free CancellationRating
7.2
174 reviews
Search China Eastern flights
China SouthernPriceFrom £336Free CancellationRating
7.5
119 reviews
Search China Southern flights
Air ChinaPriceFrom £363Free CancellationRating
7.1
119 reviews
Search Air China flights
Shenzhen AirlinesPriceFrom £430Free CancellationRating
7.5
20 reviews
Search Shenzhen Airlines flights
LufthansaPriceFrom £438Free CancellationRating
6.8
7,543 reviews
Search Lufthansa flights
LOTPriceFrom £533Free CancellationRating
7.6
1,135 reviews
Search LOT flights
Etihad AirwaysPriceFrom £548Free CancellationRating
7.4
1,284 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom £558Free CancellationRating
7.3
4,033 reviews
Search Turkish Airlines flights
Air FrancePriceFrom £559Free CancellationRating
7.4
1,482 reviews
Search Air France flights
FinnairPriceFrom £565Free CancellationRating
7.6
1,333 reviews
Search Finnair flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to South Korea for you.

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

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

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

Once all potential London to South Korea flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of London to South Korea flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your South Korea trip

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