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Cheap flights from London Heathrow Airport to Seoul from C$ 531

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 25/10. 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 Seoul

Cheap round-trip flights

Air China Logo
10:00 p.m. - 12:55 p.m.LHR-ICN
30h 55m1 stop
Air China Logo
1:05 p.m. - 8:30 p.m.ICN-LHR
15h 25m1 stop
C$ 744Air China
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Sat, 4 Oct - Sat, 11 Oct
Lufthansa Logo
8:45 a.m. - 11:15 a.m.LHR-ICN
17h 30m1 stop
Lufthansa Logo
1:05 p.m. - 8:50 p.m.ICN-LHR
16h 45m1 stop
C$ 759Lufthansa
Find Deal
Sun, 11 Jan - Mon, 19 Jan
Lufthansa Logo
10:30 a.m. - 10:50 a.m.LHR-ICN
15h 20m1 stop
Lufthansa Logo
1:30 p.m. - 9:00 p.m.ICN-LHR
16h 30m1 stop
C$ 774Lufthansa
Find Deal
Fri, 23 Jan - Fri, 27 Feb
Shenzhen Airlines Logo
10:05 p.m. - 1:40 p.m.LHR-ICN
31h 35m1 stop
Shenzhen Airlines Logo
2:40 p.m. - 8:00 p.m.ICN-LHR
37h 20m1 stop
C$ 866Shenzhen Airlines
Find Deal
Sun, 21 Sep - Tue, 14 Oct
Scandinavian Airlines Logo
10:20 a.m. - 7:00 p.m.LHR-ICN
23h 40m1 stop
Scandinavian Airlines Logo
11:45 p.m. - 9:35 p.m.ICN-LHR
30h 50m2 stops
C$ 913Scandinavian Airlines
Find Deal
Sun, 9 Nov - Mon, 15 Dec
Scandinavian Airlines Logo
10:35 a.m. - 7:00 p.m.LHR-ICN
47h 25m2 stops
Scandinavian Airlines Logo
11:45 p.m. - 4:25 p.m.ICN-LHR
25h 40m2 stops
C$ 919Scandinavian Airlines
Find Deal
Sat, 8 Nov - Mon, 15 Dec
Shenzhen Airlines Logo
10:05 p.m. - 1:40 p.m.LHR-ICN
31h 35m1 stop
Shenzhen Airlines Logo
4:45 p.m. - 8:00 p.m.ICN-LHR
35h 15m1 stop
C$ 946Shenzhen Airlines
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Fri, 26 Sep - Tue, 21 Oct
China Southern Logo
9:00 p.m. - 12:25 p.m.LHR-GMP
31h 25m1 stop
China Southern Logo
1:30 p.m. - 6:05 p.m.GMP-LHR
36h 35m1 stop
C$ 978China Southern
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Sat, 4 Oct - Sat, 11 Oct
Japan Airlines Logo
6:30 p.m. - 10:55 a.m.LHR-GMP
31h 25m1 stop
Japan Airlines Logo
7:40 p.m. - 3:15 p.m.GMP-LHR
28h 35m1 stop
C$ 1,384Japan Airlines
Find Deal
Mon, 12 Jan - Sat, 17 Jan
Japan Airlines Logo
8:35 a.m. - 10:05 p.m.LHR-GMP
28h 30m1 stop
Japan Airlines Logo
7:40 p.m. - 3:15 p.m.GMP-LHR
28h 35m1 stop
C$ 1,750Japan Airlines
Find Deal
Thu, 29 Jan - Wed, 11 Feb

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 Nov
LHR10:20 a.m.London Heathrow
23h 40m
1 stop
ICN7:00 p.m.Incheon Intl
15 Dec
ICN11:45 p.m.Incheon Intl
30h 50m
2 stops
LHR9:35 p.m.London Heathrow
C$ 913
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Scandinavian Airlines
8 Nov
LHR10:35 a.m.London Heathrow
47h 25m
2 stops
ICN7:00 p.m.Incheon Intl
15 Dec
ICN11:45 p.m.Incheon Intl
25h 40m
2 stops
LHR4:25 p.m.London Heathrow
C$ 919
Find similar
Scandinavian Airlines
10 Nov
LHR7:50 p.m.London Heathrow
38h 10m
2 stops
ICN7:00 p.m.Incheon Intl
17 Nov
ICN11:45 p.m.Incheon Intl
18h 35m
1 stop
LHR9:20 a.m.London Heathrow
C$ 923
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Lufthansa flights from London Heathrow Airport to Seoul

Our best Lufthansa deals on London Heathrow Airport to Seoul flight tickets
Lufthansa
11 Jan
LHR8:45 a.m.London Heathrow
17h 30m
1 stop
ICN11:15 a.m.Incheon Intl
19 Jan
ICN1:05 p.m.Incheon Intl
16h 45m
1 stop
LHR8:50 p.m.London Heathrow
C$ 759
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Lufthansa
23 Jan
LHR10:30 a.m.London Heathrow
15h 20m
1 stop
ICN10:50 a.m.Incheon Intl
27 Feb
ICN1:30 p.m.Incheon Intl
16h 30m
1 stop
LHR9:00 p.m.London Heathrow
C$ 774
Find similar
Lufthansa
23 Jan
LHR6:35 a.m.London Heathrow
19h 15m
2 stops
ICN10:50 a.m.Incheon Intl
27 Feb
ICN1:30 p.m.Incheon Intl
18h 25m
1 stop
LHR10:55 p.m.London Heathrow
C$ 790
Find similar

momondo Fare Finder

 
Customize 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 96,600 searches. Data last updated 11 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

Sat 4/10

10:00 p.m.-12:55 p.m.

1 stop30h 55m

Incheon Intl

Sat 11/10

1:05 p.m.-8:30 p.m.

1 stop15h 25m

C$ 744

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 11/1

8:45 a.m.-11:15 a.m.

1 stop17h 30m

Incheon Intl

Mon 19/1

1:05 p.m.-8:50 p.m.

1 stop16h 45m

C$ 759

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 23/1

10:30 a.m.-10:50 a.m.

1 stop15h 20m

Incheon Intl

Fri 27/2

1:30 p.m.-9:00 p.m.

1 stop16h 30m

C$ 774

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 21/9

10:05 p.m.-1:40 p.m.

1 stop31h 35m

Incheon Intl

Tue 14/10

2:40 p.m.-8:00 p.m.

1 stop37h 20m

C$ 866

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 9/11

10:20 a.m.-7:00 p.m.

1 stop23h 40m

Incheon Intl

Mon 15/12

11:45 p.m.-9:35 p.m.

2 stops30h 50m

C$ 913

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 8/11

10:35 a.m.-7:00 p.m.

2 stops47h 25m

Incheon Intl

Mon 15/12

11:45 p.m.-4:25 p.m.

2 stops25h 40m

C$ 919

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 26/9

10:05 p.m.-1:40 p.m.

1 stop31h 35m

Incheon Intl

Tue 21/10

4:45 p.m.-8:00 p.m.

1 stop35h 15m

C$ 946

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 4/10

9:00 p.m.-12:25 p.m.

1 stop31h 25m

Seoul Gimpo Intl

Sat 11/10

1:30 p.m.-6:05 p.m.

1 stop36h 35m

C$ 978

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 12/1

6:30 p.m.-10:55 a.m.

1 stop31h 25m

Seoul Gimpo Intl

Sat 17/1

7:40 p.m.-3:15 p.m.

1 stop28h 35m

C$ 1,384

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 29/1

8:35 a.m.-10:05 p.m.

1 stop28h 30m

Seoul Gimpo Intl

Wed 11/2

7:40 p.m.-3:15 p.m.

1 stop28h 35m

C$ 1,750

Flights are sorted by cheapest round-trip flights 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 C$ 852, are often lower during this time because this is during the off-season. If you’re not able to fly to Seoul in November, then January is your next best option. Flight prices from London Heathrow Airport to Seoul during January average around C$ 971.

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

The cheapest time of day to fly to Seoul is in the morning when flights can be purchased for as low as C$ 929. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,992 per ticket.

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 C$ 1,279 when searching weeks out. 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 C$ 1,176 on momondo.

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

There are 2 cabin classes 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?

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 September 2025, prices for London Heathrow Airport to Seoul flights are approximately 21% 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 round-trip 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?

    London Heathrow and Seoul are 8870.7 km apart from one another. Typically, this will take 14h 20m by plane in normal conditions.

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

    Prices for flights from London Heathrow Airport to Seoul are updated daily.

  • 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 necessary travel and health documents for your Seoul trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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?

momondo does allow users to show only those flights to Seoul 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 Seoul?

Once you have performed a search for London to Seoul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from London and alert you when they 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