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Cheap flights from London Heathrow Airport to Seoul from €351

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 Seoul departing on 7/11. 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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0 bags
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Find the cheapest flights from London Heathrow Airport to Seoul

Cheap return flights

Lufthansa Logo
11:10 - 11:15LHR-ICN
15h 05m1 stop
Lufthansa Logo
13:30 - 21:00ICN-LHR
16h 30m1 stop
€496Lufthansa
Find Deal
Thu, 15 Jan - Fri, 20 Feb
Lufthansa Logo
11:10 - 11:15LHR-ICN
15h 05m1 stop
Lufthansa Logo
13:05 - 20:50ICN-LHR
16h 45m1 stop
€506Lufthansa
Find Deal
Thu, 15 Jan - Thu, 19 Feb
Lufthansa Logo
10:30 - 10:50LHR-ICN
15h 20m1 stop
Lufthansa Logo
13:30 - 21:00ICN-LHR
16h 30m1 stop
€515Lufthansa
Find Deal
Fri, 23 Jan - Fri, 27 Feb
Lufthansa Logo
06:35 - 10:50LHR-ICN
19h 15m2 stops
Lufthansa Logo
13:30 - 22:55ICN-LHR
18h 25m1 stop
€524Lufthansa
Find Deal
Fri, 23 Jan - Fri, 27 Feb
Lufthansa Logo
07:40 - 11:15LHR-ICN
18h 35m1 stop
Lufthansa Logo
13:30 - 21:00ICN-LHR
16h 30m1 stop
€525Lufthansa
Find Deal
Thu, 8 Jan - Sun, 18 Jan
Shenzhen Airlines Logo
22:05 - 13:40LHR-ICN
31h 35m1 stop
Shenzhen Airlines Logo
16:45 - 20:10ICN-LHR
35h 25m1 stop
€533Shenzhen Airlines
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Sat, 27 Sep - Sat, 25 Oct
Scandinavian Airlines Logo
18:40 - 19:00LHR-ICN
15h 20m1 stop
Scandinavian Airlines Logo
23:45 - 09:35ICN-LHR
42h 50m2 stops
€561Scandinavian Airlines
Find Deal
Thu, 29 Jan - Fri, 6 Mar
Scandinavian Airlines Logo
18:40 - 19:00LHR-ICN
15h 20m1 stop
Scandinavian Airlines Logo
23:45 - 19:55ICN-LHR
29h 10m2 stops
€564Scandinavian Airlines
Find Deal
Sun, 30 Nov - Mon, 15 Dec
Scandinavian Airlines Logo
19:50 - 19:00LHR-ICN
38h 10m2 stops
Scandinavian Airlines Logo
23:45 - 09:20ICN-LHR
17h 35m1 stop
€565Scandinavian Airlines
Find Deal
Mon, 12 Jan - Mon, 8 Jun
Shenzhen Airlines Logo
21:10 - 15:45LHR-ICN
33h 35m1 stop
Shenzhen Airlines Logo
14:55 - 19:10ICN-LHR
37h 15m1 stop
€582Shenzhen Airlines
Find Deal
Wed, 11 Mar - Thu, 26 Mar

Lufthansa flights from London Heathrow Airport to Seoul

Our best Lufthansa deals on London Heathrow Airport to Seoul flight tickets
Lufthansa
15 Jan
LHR11:10London Heathrow
15h 05m
1 stop
ICN11:15Incheon Intl
20 Feb
ICN13:30Incheon Intl
16h 30m
1 stop
LHR21:00London Heathrow
€496
Find similar
Lufthansa
15 Jan
LHR11:10London Heathrow
15h 05m
1 stop
ICN11:15Incheon Intl
19 Feb
ICN13:05Incheon Intl
16h 45m
1 stop
LHR20:50London Heathrow
€506
Find similar
Lufthansa
23 Jan
LHR10:30London Heathrow
15h 20m
1 stop
ICN10:50Incheon Intl
27 Feb
ICN13:30Incheon Intl
16h 30m
1 stop
LHR21:00London Heathrow
€515
Find similar

Shenzhen Airlines flights from London Heathrow Airport to Seoul

Our best Shenzhen Airlines deals on London Heathrow Airport to Seoul flight tickets
Shenzhen Airlines
27 Sept
LHR22:05London Heathrow
31h 35m
1 stop
ICN13:40Incheon Intl
21 Oct
ICN16:45Incheon Intl
35h 15m
1 stop
LHR20:00London Heathrow
€533
Find similar
Shenzhen Airlines
11 Mar
LHR21:10London Heathrow
33h 35m
1 stop
ICN15:45Incheon Intl
26 Mar
ICN14:55Incheon Intl
37h 15m
1 stop
LHR19:10London Heathrow
€582
Find similar
Shenzhen Airlines
27 Sept
LHR22:05London Heathrow
31h 35m
1 stop
ICN13:40Incheon Intl
4 Nov
ICN16:45Incheon Intl
35h 25m
1 stop
LHR19:10London Heathrow
€633
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Seoul 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 13,528 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 15/1

11:10-11:15

1 stop15h 05m

Incheon Intl

Fri 20/2

13:30-21:00

1 stop16h 30m

€496

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 15/1

11:10-11:15

1 stop15h 05m

Incheon Intl

Thu 19/2

13:05-20:50

1 stop16h 45m

€506

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 23/1

10:30-10:50

1 stop15h 20m

Incheon Intl

Fri 27/2

13:30-21:00

1 stop16h 30m

€515

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 23/1

06:35-10:50

2 stops19h 15m

Incheon Intl

Fri 27/2

13:30-22:55

1 stop18h 25m

€524

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 8/1

07:40-11:15

1 stop18h 35m

Incheon Intl

Sun 18/1

13:30-21:00

1 stop16h 30m

€525

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 27/9

22:05-13:40

1 stop31h 35m

Incheon Intl

Sat 25/10

16:45-20:10

1 stop35h 25m

€533

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 29/1

18:40-19:00

1 stop15h 20m

Incheon Intl

Fri 6/3

23:45-09:35

2 stops42h 50m

€561

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 30/11

18:40-19:00

1 stop15h 20m

Incheon Intl

Mon 15/12

23:45-19:55

2 stops29h 10m

€564

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 12/1

19:50-19:00

2 stops38h 10m

Incheon Intl

Mon 8/6

23:45-09:20

1 stop17h 35m

€565

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 11/3

21:10-15:45

1 stop33h 35m

Incheon Intl

Thu 26/3

14:55-19:10

1 stop37h 15m

€582

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 Seoul from

How to get the cheapest flight ticket from London Heathrow Airport to Seoul

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 typical price of a round-trip flight between London Heathrow Airport and Seoul?

What is the cheapest month to fly to Seoul?

The cheapest month to fly to Seoul from London Heathrow Airport is in November. Flight prices, which tend to average around €519, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Seoul, with average flight prices from London Heathrow Airport averaging around €587.

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

On average, the least expensive day to fly to Seoul from London Heathrow Airport is on a Friday. momondo users have found tickets for Friday departures for as low as €1,040. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London Heathrow Airport to Seoul on a Wednesday will generally be more expensive and average around €1,304. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest London Heathrow to Seoul flight route?

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

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around €787 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from London Heathrow Airport for as low as €744 on momondo.

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

There is only 1 cabin class available to choose from on London Heathrow to Seoul 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 Seoul flights?

You could potentially save up to 26% on your flight if you consider stops on a London Heathrow Airport to Seoul flight.

How have London Heathrow Airport to Seoul flight prices changed over time?

As of September 2025, prices for London Heathrow Airport to Seoul flights are approximately 23% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Seoul according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Seoul (LHR to SEL) flight deals and tips

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

Fastest flight time

12h 35m

Direct flights

Every day

Airports in Seoul

1 airport
The fastest flight from London Heathrow Airport to Seoul takes 12h 35m
Direct flights go from London Heathrow Airport to Seoul every day.
There is 1 airport near Seoul: Incheon Intl (ICN)
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  • How far is London Heathrow to Seoul by plane?

    A flight from London Heathrow to Seoul will travel around 8870.7 km. A reasonable flight in good conditions will take 14h 20m.

  • When did momondo last update prices for flights from London Heathrow Airport to Seoul?

    Prices for flights from London Heathrow Airport to Seoul are refreshed on a daily basis.

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

    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 London Heathrow Airport to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The required travel and health documents for your Seoul 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 licence and a passport valid for six months after your intended arrival at Seoul. 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 Seoul?

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Seoul . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Seoul from London with this policy.

How can momondo help me find flights from London to Seoul?

momondo helps you find the best flight between London and Seoul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Seoul from London. 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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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 48.8 km from Seoul
Seoul Gimpo Intl Airport
Incheon Intl Airport