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Cheap flights from London Heathrow Airport to Seoul from C$ 608

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 15/3. 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

Enter your travel dates to find the best prices.
Lufthansa Logo
6:30 a.m. - 10:50 a.m.LHR-ICN
19h 20m1 stop
Lufthansa Logo
1:30 p.m. - 9:00 p.m.ICN-LHR
16h 30m1 stop
C$ 806Lufthansa
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Sun, 1 Feb - Sat, 28 Feb
Lufthansa Logo
7:15 p.m. - 10:50 a.m.LHR-ICN
30h 35m2 stops
Lufthansa Logo
1:30 p.m. - 10:55 p.m.ICN-LHR
18h 25m1 stop
C$ 836Lufthansa
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Mon, 2 Feb - Mon, 9 Mar
Lufthansa Logo
8:15 p.m. - 10:50 a.m.LHR-ICN
29h 35m2 stops
Lufthansa Logo
1:05 p.m. - 10:20 p.m.ICN-LHR
18h 15m1 stop
C$ 849Lufthansa
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Mon, 26 Jan - Fri, 20 Feb
Shenzhen Airlines Logo
9:10 p.m. - 1:55 p.m.LHR-ICN
31h 45m1 stop
Shenzhen Airlines Logo
4:45 p.m. - 7:10 p.m.ICN-LHR
35h 25m1 stop
C$ 850Shenzhen Airlines
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Fri, 27 Feb - Fri, 13 Mar
Shenzhen Airlines Logo
9:10 p.m. - 1:55 p.m.LHR-ICN
31h 45m1 stop
Shenzhen Airlines Logo
2:55 p.m. - 7:10 p.m.ICN-LHR
37h 15m1 stop
C$ 852Shenzhen Airlines
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Fri, 27 Feb - Sat, 14 Mar
China Southern Logo
9:30 p.m. - 12:25 p.m.LHR-GMP
29h 55m1 stop
China Southern Logo
1:25 p.m. - 6:05 p.m.GMP-LHR
36h 40m1 stop
C$ 1,444China Southern
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Mon, 23 Mar - Wed, 8 Apr
China Southern Logo
9:30 p.m. - 12:25 p.m.LHR-GMP
29h 55m1 stop
China Southern Logo
1:25 p.m. - 6:05 p.m.GMP-LHR
36h 40m1 stop
C$ 1,551China Southern
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Fri, 20 Mar - Mon, 13 Apr
EVA Air Logo
9:35 p.m. - 12:50 p.m.LHR-GMP
31h 15m2 stops
EVA Air Logo
7:15 p.m. - 7:20 p.m.GMP-LHR
32h 05m2 stops
C$ 1,940EVA Air
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Wed, 13 May - Tue, 26 May
EVA Air Logo
9:35 p.m. - 12:50 p.m.LHR-GMP
55h 15m2 stops
EVA Air Logo
7:15 p.m. - 7:20 p.m.GMP-LHR
32h 05m2 stops
C$ 1,975EVA Air
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Tue, 12 May - Tue, 26 May
Japan Airlines Logo
8:35 a.m. - 6:20 p.m.LHR-GMP
24h 45m1 stop
Japan Airlines Logo
7:40 p.m. - 3:15 p.m.GMP-LHR
28h 35m1 stop
C$ 2,004Japan Airlines
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Wed, 10 Dec - Tue, 16 Dec

Turkish Airlines flights from London Heathrow Airport to Seoul

Our best Turkish Airlines deals on London Heathrow Airport to Seoul flight tickets
Turkish Airlines
25 Nov
LHR4:35 p.m.London Heathrow
16h 45m
1 stop
ICN6:20 p.m.Incheon Intl
8 Dec
ICN12:10 a.m.Incheon Intl
25h 00m
1 stop
LHR4:10 p.m.London Heathrow
C$ 1,117
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Turkish Airlines
3 Dec
LHR6:35 a.m.London Heathrow
26h 45m
1 stop
ICN6:20 p.m.Incheon Intl
16 Dec
ICN12:10 a.m.Incheon Intl
25h 00m
1 stop
LHR4:10 p.m.London Heathrow
C$ 1,118
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Turkish Airlines
26 Nov
LHR10:35 p.m.London Heathrow
25h 30m
1 stop
ICN9:05 a.m.Incheon Intl
6 Dec
ICN12:10 a.m.Incheon Intl
25h 00m
1 stop
LHR4:10 p.m.London Heathrow
C$ 1,136
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Asiana Airlines flights from London Heathrow Airport to Seoul

Our best Asiana Airlines deals on London Heathrow Airport to Seoul flight tickets
Asiana Airlines
30 Nov
LHR8:10 p.m.London Heathrow
12h 40m
ICN5:50 p.m.Incheon Intl
15 Dec
ICN12:25 p.m.Incheon Intl
14h 40m
LHR6:05 p.m.London Heathrow
C$ 1,430
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Asiana Airlines
24 Nov
LHR8:10 p.m.London Heathrow
12h 40m
ICN5:50 p.m.Incheon Intl
4 Dec
ICN12:25 p.m.Incheon Intl
14h 40m
LHR6:05 p.m.London Heathrow
C$ 1,431
Find similar
Asiana Airlines
30 Nov
LHR8:10 p.m.London Heathrow
12h 40m
ICN5:50 p.m.Incheon Intl
15 Dec
ICN12:25 p.m.Incheon Intl
14h 40m
LHR6:05 p.m.London Heathrow
C$ 1,432
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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 22 November 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

Sun 1/2

6:30 a.m.-10:50 a.m.

1 stop19h 20m

Incheon Intl

Sat 28/2

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

1 stop16h 30m

C$ 806

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 2/2

7:15 p.m.-10:50 a.m.

2 stops30h 35m

Incheon Intl

Mon 9/3

1:30 p.m.-10:55 p.m.

1 stop18h 25m

C$ 836

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 26/1

8:15 p.m.-10:50 a.m.

2 stops29h 35m

Incheon Intl

Fri 20/2

1:05 p.m.-10:20 p.m.

1 stop18h 15m

C$ 849

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 27/2

9:10 p.m.-1:55 p.m.

1 stop31h 45m

Incheon Intl

Fri 13/3

4:45 p.m.-7:10 p.m.

1 stop35h 25m

C$ 850

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 27/2

9:10 p.m.-1:55 p.m.

1 stop31h 45m

Incheon Intl

Sat 14/3

2:55 p.m.-7:10 p.m.

1 stop37h 15m

C$ 852

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 23/3

9:30 p.m.-12:25 p.m.

1 stop29h 55m

Seoul Gimpo Intl

Wed 8/4

1:25 p.m.-6:05 p.m.

1 stop36h 40m

C$ 1,444

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Fri 20/3

9:30 p.m.-12:25 p.m.

1 stop29h 55m

Seoul Gimpo Intl

Mon 13/4

1:25 p.m.-6:05 p.m.

1 stop36h 40m

C$ 1,551

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 13/5

9:35 p.m.-12:50 p.m.

2 stops31h 15m

Seoul Gimpo Intl

Tue 26/5

7:15 p.m.-7:20 p.m.

2 stops32h 05m

C$ 1,940

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 12/5

9:35 p.m.-12:50 p.m.

2 stops55h 15m

Seoul Gimpo Intl

Tue 26/5

7:15 p.m.-7:20 p.m.

2 stops32h 05m

C$ 1,975

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 10/12

8:35 a.m.-6:20 p.m.

1 stop24h 45m

Seoul Gimpo Intl

Tue 16/12

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

1 stop28h 35m

C$ 2,004

Flights are sorted by cheapest round-trip 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 C$ 835, 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$ 901.

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$ 945. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 2,027 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$ 1,311 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$ 1,136 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 18% 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 November 2025, prices for London Heathrow Airport to Seoul flights are approximately 36% 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

11h 55m

Direct flights

Every day

Airports in Seoul

1 airport
The fastest flight from London Heathrow Airport to Seoul takes 11h 55m
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