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Cheap flights from London Heathrow Airport to Seoul from €395

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 16/9. 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.
Shenzhen Airlines Logo
21:10 - 13:55
LHR
-
ICN
31h 45m
1 stop
Shenzhen Airlines Logo
16:45 - 19:10
ICN
-
LHR
35h 25m
1 stop
€647Shenzhen Airlines
Sat, 31 Oct - Thu, 3 Dec
Scandinavian Airlines Logo
19:30 - 19:00
LHR
-
ICN
14h 30m
1 stop
Scandinavian Airlines Logo
23:45 - 17:40
ICN
-
LHR
26h 55m
1 stop
€649Scandinavian Airlines
Tue, 10 Nov - Tue, 1 Dec
Scandinavian Airlines Logo
15:35 - 19:00
LHR
-
ICN
18h 25m
2 stops
Scandinavian Airlines Logo
23:45 - 17:40
ICN
-
LHR
26h 55m
1 stop
€652Scandinavian Airlines
Tue, 10 Nov - Wed, 2 Dec
Lufthansa Logo
07:40 - 11:00
LHR
-
ICN
18h 20m
2 stops
Lufthansa Logo
12:55 - 08:05
ICN
-
LHR
28h 10m
2 stops
€653Lufthansa
Mon, 2 Nov - Tue, 17 Nov
Lufthansa Logo
07:40 - 11:00
LHR
-
ICN
18h 20m
2 stops
Lufthansa Logo
12:55 - 08:05
ICN
-
LHR
28h 10m
2 stops
€654Lufthansa
Mon, 2 Nov - Mon, 16 Nov
Scandinavian Airlines Logo
21:05 - 19:00
LHR
-
ICN
36h 55m
2 stops
Scandinavian Airlines Logo
23:45 - 17:40
ICN
-
LHR
26h 55m
1 stop
€655Scandinavian Airlines
Mon, 9 Nov - Wed, 2 Dec
Scandinavian Airlines Logo
15:35 - 19:00
LHR
-
ICN
18h 25m
2 stops
Scandinavian Airlines Logo
23:45 - 18:50
ICN
-
LHR
28h 05m
2 stops
€656Scandinavian Airlines
Tue, 10 Nov - Wed, 25 Nov
Scandinavian Airlines Logo
10:35 - 19:00
LHR
-
ICN
23h 25m
2 stops
Scandinavian Airlines Logo
23:45 - 18:30
ICN
-
LHR
27h 45m
1 stop
€657Scandinavian Airlines
Tue, 10 Nov - Tue, 24 Nov
Scandinavian Airlines Logo
21:05 - 19:00
LHR
-
ICN
36h 55m
2 stops
Scandinavian Airlines Logo
23:45 - 18:50
ICN
-
LHR
28h 05m
2 stops
€658Scandinavian Airlines
Mon, 9 Nov - Wed, 25 Nov
Scandinavian Airlines Logo
10:35 - 19:00
LHR
-
ICN
23h 25m
2 stops
Scandinavian Airlines Logo
23:45 - 16:25
ICN
-
LHR
25h 40m
2 stops
€659Scandinavian Airlines
Tue, 27 Oct - Wed, 11 Nov

Shenzhen Airlines flights from London Heathrow Airport to Seoul

Our best Shenzhen Airlines deals on London Heathrow Airport to Seoul flight tickets
Shenzhen Airlines
31 Oct
LHR21:10London Heathrow
31h 45m
1 stop
ICN13:55Incheon Intl
3 Dec
ICN16:45Incheon Intl
35h 25m
1 stop
LHR19:10London Heathrow
€647
Shenzhen Airlines
30 Oct
LHR21:10London Heathrow
33h 35m
1 stop
ICN15:45Incheon Intl
27 Nov
ICN16:45Incheon Intl
35h 25m
1 stop
LHR19:10London Heathrow
€684
Shenzhen Airlines
30 Oct
LHR21:10London Heathrow
31h 45m
1 stop
ICN13:55Incheon Intl
28 Nov
ICN16:45Incheon Intl
35h 25m
1 stop
LHR19:10London Heathrow
€685

Scandinavian Airlines flights from London Heathrow Airport to Seoul

Our best Scandinavian Airlines deals on London Heathrow Airport to Seoul flight tickets
Scandinavian Airlines
10 Nov
LHR19:30London Heathrow
14h 30m
1 stop
ICN19:00Incheon Intl
1 Dec
ICN23:45Incheon Intl
26h 55m
1 stop
LHR17:40London Heathrow
€649
Scandinavian Airlines
10 Nov
LHR15:35London Heathrow
18h 25m
2 stops
ICN19:00Incheon Intl
26 Nov
ICN23:45Incheon Intl
30h 55m
1 stop
LHR21:40London Heathrow
€652
Scandinavian Airlines
9 Nov
LHR21:05London Heathrow
36h 55m
2 stops
ICN19:00Incheon Intl
2 Dec
ICN23:45Incheon Intl
26h 55m
1 stop
LHR17:40London Heathrow
€655

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 28 May 2026.
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

Cheapest return flight

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 31/10

21:10-13:55

1 stop31h 45m

Incheon Intl

Thu 3/12

16:45-19:10

1 stop35h 25m

€647
Fastest return journey

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 10/11

19:30-19:00

1 stop14h 30m

Incheon Intl

Tue 1/12

23:45-17:40

1 stop26h 55m

€649

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 10/11

15:35-19:00

2 stops18h 25m

Incheon Intl

Wed 2/12

23:45-17:40

1 stop26h 55m

€652

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 2/11

07:40-11:00

2 stops18h 20m

Incheon Intl

Tue 17/11

12:55-08:05

2 stops28h 10m

€653

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 2/11

07:40-11:00

2 stops18h 20m

Incheon Intl

Mon 16/11

12:55-08:05

2 stops28h 10m

€654

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 9/11

21:05-19:00

2 stops36h 55m

Incheon Intl

Wed 2/12

23:45-17:40

1 stop26h 55m

€655

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 10/11

15:35-19:00

2 stops18h 25m

Incheon Intl

Wed 25/11

23:45-18:50

2 stops28h 05m

€656

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 10/11

10:35-19:00

2 stops23h 25m

Incheon Intl

Tue 24/11

23:45-18:30

1 stop27h 45m

€657

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 9/11

21:05-19:00

2 stops36h 55m

Incheon Intl

Wed 25/11

23:45-18:50

2 stops28h 05m

€658

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 27/10

10:35-19:00

2 stops23h 25m

Incheon Intl

Wed 11/11

23:45-16:25

2 stops25h 40m

€659

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 January. Flight prices, which tend to average around €351, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Seoul, with average flight prices from London Heathrow Airport averaging around €411.

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 from London Heathrow Airport 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 €683 on momondo.

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

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

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Seoul.

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

As of May 2026, prices for London Heathrow Airport to Seoul flights are approximately 9% more expensive 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 45m

Direct flights

Every day

Airports in Seoul

2 airports
The fastest flight from London Heathrow Airport to Seoul takes 12h 45m
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

Frequently asked questions about flying from London Heathrow Airport to Seoul

  • 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 45m.

  • 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