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Cheap flights from London Heathrow Airport to Seoul from €376

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 30/1. 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.
KLM Logo
11:45 - 16:55
LHR
-
ICN
20h 10m1 stop
KLM Logo
23:05 - 09:00
ICN
-
LHR
18h 55m1 stop
€476KLM
Wed, 14 Jan - Thu, 22 Jan
Multiple Airlines Logo
08:40 - 16:55
LHR
-
ICN
23h 15m1 stop
Multiple Airlines Logo
12:40 - 21:25
ICN
-
LHR
17h 45m1 stop
€477Multiple Airlines
Fri, 16 Jan - Fri, 30 Jan
Multiple Airlines Logo
10:00 - 16:55
LHR
-
ICN
21h 55m1 stop
Multiple Airlines Logo
12:40 - 21:25
ICN
-
LHR
17h 45m1 stop
€478Multiple Airlines
Fri, 16 Jan - Fri, 30 Jan
LOT Logo
06:30 - 07:10
LHR
-
ICN
15h 40m1 stop
LOT Logo
13:25 - 17:20
ICN
-
LHR
36h 55m1 stop
€489LOT
Tue, 20 Jan - Tue, 27 Jan
KLM Logo
17:05 - 16:55
LHR
-
ICN
14h 50m1 stop
KLM Logo
23:05 - 07:40
ICN
-
LHR
17h 35m1 stop
€495KLM
Thu, 15 Jan - Thu, 22 Jan
Multiple Airlines Logo
08:40 - 16:55
LHR
-
ICN
23h 15m1 stop
Multiple Airlines Logo
12:40 - 21:25
ICN
-
LHR
17h 45m1 stop
€497Multiple Airlines
Fri, 16 Jan - Fri, 23 Jan
KLM Logo
15:45 - 16:55
LHR
-
ICN
16h 10m1 stop
KLM Logo
23:05 - 07:40
ICN
-
LHR
17h 35m1 stop
€498KLM
Wed, 14 Jan - Thu, 22 Jan
Etihad Airways Logo
13:55 - 10:45
LHR
-
ICN
35h 50m1 stop
Etihad Airways Logo
17:50 - 06:40
ICN
-
LHR
21h 50m1 stop
€506Etihad Airways
Mon, 12 Jan - Tue, 20 Jan
Etihad Airways Logo
08:50 - 21:55
LHR
-
ICN
28h 05m1 stop
Etihad Airways Logo
17:50 - 06:40
ICN
-
LHR
21h 50m1 stop
€508Etihad Airways
Thu, 5 Mar - Sun, 15 Mar
Etihad Airways Logo
20:55 - 21:55
LHR
-
ICN
16h 00m1 stop
Etihad Airways Logo
17:50 - 06:40
ICN
-
LHR
21h 50m1 stop
€509Etihad Airways
Thu, 26 Feb - Sun, 15 Mar

KLM flights from London Heathrow Airport to Seoul

Our best KLM deals on London Heathrow Airport to Seoul flight tickets
KLM
14 Jan
LHR11:45London Heathrow
20h 10m
1 stop
ICN16:55Incheon Intl
22 Jan
ICN23:05Incheon Intl
18h 55m
1 stop
LHR09:00London Heathrow
€476
Find similar
KLM
15 Jan
LHR17:05London Heathrow
14h 50m
1 stop
ICN16:55Incheon Intl
22 Jan
ICN23:05Incheon Intl
17h 35m
1 stop
LHR07:40London Heathrow
€495
Find similar
KLM
14 Jan
LHR15:45London Heathrow
16h 10m
1 stop
ICN16:55Incheon Intl
22 Jan
ICN23:05Incheon Intl
17h 35m
1 stop
LHR07:40London Heathrow
€498
Find similar

Etihad Airways flights from London Heathrow Airport to Seoul

Our best Etihad Airways deals on London Heathrow Airport to Seoul flight tickets
Etihad Airways
12 Jan
LHR13:55London Heathrow
35h 50m
1 stop
ICN10:45Incheon Intl
20 Jan
ICN17:50Incheon Intl
21h 50m
1 stop
LHR06:40London Heathrow
€506
Find similar
Etihad Airways
5 Mar
LHR08:50London Heathrow
28h 05m
1 stop
ICN21:55Incheon Intl
15 Mar
ICN17:50Incheon Intl
21h 50m
1 stop
LHR06:40London Heathrow
€508
Find similar
Etihad Airways
26 Feb
LHR20:55London Heathrow
16h 00m
1 stop
ICN21:55Incheon Intl
15 Mar
ICN17:50Incheon Intl
21h 50m
1 stop
LHR06:40London Heathrow
€509
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 25 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

11:45-16:55

1 stop20h 10m

Incheon Intl

Thu 22/1

23:05-09:00

1 stop18h 55m

€476

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 16/1

08:40-16:55

1 stop23h 15m

Incheon Intl

Fri 30/1

12:40-21:25

1 stop17h 45m

€477

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 16/1

10:00-16:55

1 stop21h 55m

Incheon Intl

Fri 30/1

12:40-21:25

1 stop17h 45m

€478

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 20/1

06:30-07:10

1 stop15h 40m

Incheon Intl

Tue 27/1

13:25-17:20

1 stop36h 55m

€489

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 15/1

17:05-16:55

1 stop14h 50m

Incheon Intl

Thu 22/1

23:05-07:40

1 stop17h 35m

€495

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 16/1

08:40-16:55

1 stop23h 15m

Incheon Intl

Fri 23/1

12:40-21:25

1 stop17h 45m

€497

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 14/1

15:45-16:55

1 stop16h 10m

Incheon Intl

Thu 22/1

23:05-07:40

1 stop17h 35m

€498

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 12/1

13:55-10:45

1 stop35h 50m

Incheon Intl

Tue 20/1

17:50-06:40

1 stop21h 50m

€506

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 5/3

08:50-21:55

1 stop28h 05m

Incheon Intl

Sun 15/3

17:50-06:40

1 stop21h 50m

€508

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 26/2

20:55-21:55

1 stop16h 00m

Incheon Intl

Sun 15/3

17:50-06:40

1 stop21h 50m

€509

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 €496, 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 €582.

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 €795 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 €677 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 40m

Direct flights

Every day

Airports in Seoul

2 airports
The fastest flight from London Heathrow Airport to Seoul takes 12h 40m
Direct flights go from London Heathrow Airport to Seoul every day.
There are 2 airports in Seoul. From London Heathrow Airport there are direct flights to 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 40m.

  • 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