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Cheap flights from London Heathrow Airport to Seoul from €377

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 18/2. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:45 - 16:55
LHR
-
ICN
16h 10m1 stop
Multiple Airlines Logo
12:05 - 21:25
ICN
-
LHR
18h 20m1 stop
€478Multiple Airlines
Wed, 14 Jan - Thu, 22 Jan
Lufthansa Logo
07:40 - 10:50
LHR
-
ICN
18h 10m2 stops
Lufthansa Logo
13:30 - 21:00
ICN
-
LHR
16h 30m1 stop
€510Lufthansa
Mon, 9 Mar - Fri, 20 Mar
Etihad Airways Logo
13:55 - 21:55
LHR
-
ICN
23h 00m1 stop
Etihad Airways Logo
17:50 - 12:05
ICN
-
LHR
27h 15m1 stop
€511Etihad Airways
Thu, 15 Jan - Sat, 28 Feb
Lufthansa Logo
07:30 - 09:55
LHR
-
ICN
18h 25m1 stop
Lufthansa Logo
12:25 - 22:10
ICN
-
LHR
17h 45m1 stop
€523Lufthansa
Wed, 3 Jun - Wed, 10 Jun
Shenzhen Airlines Logo
21:10 - 13:55
LHR
-
ICN
31h 45m1 stop
Shenzhen Airlines Logo
16:45 - 19:10
ICN
-
LHR
35h 25m1 stop
€527Shenzhen Airlines
Mon, 5 Jan - Fri, 30 Jan
Lufthansa Logo
11:30 - 10:50
LHR
-
ICN
14h 20m1 stop
Lufthansa Logo
13:05 - 20:50
ICN
-
LHR
16h 45m1 stop
€538Lufthansa
Wed, 4 Feb - Wed, 11 Feb
Lufthansa Logo
08:30 - 10:50
LHR
-
ICN
17h 20m1 stop
Lufthansa Logo
13:05 - 08:05
ICN
-
LHR
28h 00m2 stops
€540Lufthansa
Tue, 3 Mar - Thu, 12 Mar
Lufthansa Logo
09:30 - 09:55
LHR
-
ICN
16h 25m1 stop
Lufthansa Logo
12:25 - 22:10
ICN
-
LHR
17h 45m1 stop
€543Lufthansa
Wed, 3 Jun - Thu, 11 Jun
Lufthansa Logo
07:40 - 11:15
LHR
-
ICN
18h 35m1 stop
Lufthansa Logo
13:05 - 08:05
ICN
-
LHR
28h 00m2 stops
€550Lufthansa
Sun, 8 Mar - Mon, 16 Mar
Lufthansa Logo
09:30 - 09:55
LHR
-
ICN
16h 25m1 stop
Lufthansa Logo
12:25 - 22:10
ICN
-
LHR
17h 45m1 stop
€551Lufthansa
Wed, 3 Jun - Thu, 18 Jun

Shenzhen Airlines flights from London Heathrow Airport to Seoul

Our best Shenzhen Airlines deals on London Heathrow Airport to Seoul flight tickets
Shenzhen Airlines
5 Jan
LHR21:10London Heathrow
31h 45m
1 stop
ICN13:55Incheon Intl
30 Jan
ICN16:45Incheon Intl
35h 25m
1 stop
LHR19:10London Heathrow
€527
Find similar
Shenzhen Airlines
4 Feb
LHR21:10London Heathrow
33h 35m
1 stop
ICN15:45Incheon Intl
13 Feb
ICN16:45Incheon Intl
35h 25m
1 stop
LHR19:10London Heathrow
€576
Find similar
Shenzhen Airlines
11 Apr
LHR22:05London Heathrow
32h 10m
1 stop
ICN14:15Incheon Intl
3 May
ICN16:50Incheon Intl
35h 00m
1 stop
LHR19:50London Heathrow
€590
Find similar

Scandinavian Airlines flights from London Heathrow Airport to Seoul

Our best Scandinavian Airlines deals on London Heathrow Airport to Seoul flight tickets
Scandinavian Airlines
9 Feb
LHR21:05London Heathrow
36h 55m
2 stops
ICN19:00Incheon Intl
16 Feb
ICN23:45Incheon Intl
25h 40m
2 stops
LHR16:25London Heathrow
€563
Find similar
Scandinavian Airlines
17 Jan
LHR10:35London Heathrow
47h 25m
2 stops
ICN19:00Incheon Intl
27 Feb
ICN23:45Incheon Intl
27h 45m
2 stops
LHR18:30London Heathrow
€571
Find similar
Scandinavian Airlines
15 Jan
LHR06:40London Heathrow
27h 20m
2 stops
ICN19:00Incheon Intl
2 Mar
ICN23:45Incheon Intl
28h 05m
2 stops
LHR18:50London Heathrow
€573
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 10 December 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

Wed 14/1

15:45-16:55

1 stop16h 10m

Incheon Intl

Thu 22/1

12:05-21:25

1 stop18h 20m

€478

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 9/3

07:40-10:50

2 stops18h 10m

Incheon Intl

Fri 20/3

13:30-21:00

1 stop16h 30m

€510

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 15/1

13:55-21:55

1 stop23h 00m

Incheon Intl

Sat 28/2

17:50-12:05

1 stop27h 15m

€511

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 3/6

07:30-09:55

1 stop18h 25m

Incheon Intl

Wed 10/6

12:25-22:10

1 stop17h 45m

€523

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 5/1

21:10-13:55

1 stop31h 45m

Incheon Intl

Fri 30/1

16:45-19:10

1 stop35h 25m

€527

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 4/2

11:30-10:50

1 stop14h 20m

Incheon Intl

Wed 11/2

13:05-20:50

1 stop16h 45m

€538

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 3/3

08:30-10:50

1 stop17h 20m

Incheon Intl

Thu 12/3

13:05-08:05

2 stops28h 00m

€540

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 3/6

09:30-09:55

1 stop16h 25m

Incheon Intl

Thu 11/6

12:25-22:10

1 stop17h 45m

€543

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 8/3

07:40-11:15

1 stop18h 35m

Incheon Intl

Mon 16/3

13:05-08:05

2 stops28h 00m

€550

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 3/6

09:30-09:55

1 stop16h 25m

Incheon Intl

Thu 18/6

12:25-22:10

1 stop17h 45m

€551

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 €501, 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 €594.

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 €806 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 €685 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 December 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 20m

Direct flights

Every day

Airports in Seoul

1 airport
The fastest flight from London Heathrow Airport to Seoul takes 12h 20m
Direct flights go from London Heathrow Airport to Seoul every day.
There is 1 airport near Seoul: Incheon Intl (ICN)
Search flight deals

  • 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 12h 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