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Cheap flights from London Heathrow Airport to Seoul from C$ 487

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 16/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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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.
China Eastern Logo
9:20 p.m. - 3:10 p.m.
LHR
-
ICN
33h 50m
1 stop
China Eastern Logo
12:55 p.m. - 6:40 p.m.
ICN
-
LHR
37h 45m
1 stop
C$ 677China Eastern
Tue, 12 May - Mon, 25 May
China Eastern Logo
9:20 p.m. - 11:55 a.m.
LHR
-
ICN
30h 35m
1 stop
China Eastern Logo
8:55 a.m. - 6:40 p.m.
ICN
-
LHR
17h 45m
1 stop
C$ 680China Eastern
Sat, 25 Apr - Wed, 13 May
China Eastern Logo
9:20 p.m. - 2:50 p.m.
LHR
-
ICN
33h 30m
2 stops
China Eastern Logo
8:55 a.m. - 6:40 p.m.
ICN
-
LHR
17h 45m
1 stop
C$ 688China Eastern
Fri, 1 May - Tue, 19 May
Air China Logo
8:25 p.m. - 1:05 p.m.
LHR
-
GMP
31h 40m
1 stop
Air China Logo
2:25 p.m. - 4:40 p.m.
GMP
-
LHR
35h 15m
1 stop
C$ 843Air China
Sun, 8 Mar - Sat, 28 Mar
Air China Logo
8:25 p.m. - 1:05 p.m.
LHR
-
GMP
31h 40m
1 stop
Air China Logo
2:25 p.m. - 4:40 p.m.
GMP
-
LHR
35h 15m
1 stop
C$ 908Air China
Sat, 7 Mar - Sat, 28 Mar
China Southern Logo
9:30 p.m. - 12:25 p.m.
LHR
-
GMP
29h 55m
1 stop
China Southern Logo
1:30 p.m. - 3:15 p.m.
GMP
-
LHR
34h 45m
2 stops
C$ 1,485China Southern
Sat, 7 Mar - Sat, 28 Mar
China Southern Logo
9:30 p.m. - 12:25 p.m.
LHR
-
GMP
29h 55m
1 stop
China Southern Logo
1:30 p.m. - 3:15 p.m.
GMP
-
LHR
34h 45m
2 stops
C$ 1,550China Southern
Sun, 8 Mar - Sat, 28 Mar
China Airlines Logo
9:10 p.m. - 12:55 p.m.
LHR
-
GMP
31h 45m
1 stop
China Airlines Logo
1:55 p.m. - 4:30 p.m.
GMP
-
LHR
34h 35m
1 stop
C$ 1,590China Airlines
Sat, 9 May - Thu, 28 May
China Airlines Logo
9:10 p.m. - 12:55 p.m.
LHR
-
GMP
31h 45m
1 stop
China Airlines Logo
1:55 p.m. - 4:30 p.m.
GMP
-
LHR
34h 35m
1 stop
C$ 1,597China Airlines
Sat, 16 May - Sun, 31 May
Japan Airlines Logo
9:40 a.m. - 10:45 a.m.
LHR
-
GMP
17h 05m
1 stop
Japan Airlines Logo
12:05 p.m. - 6:25 a.m.
GMP
-
LHR
26h 20m
1 stop
C$ 1,903Japan Airlines
Tue, 16 Jun - Sun, 28 Jun

China Eastern flights from London Heathrow Airport to Seoul

Our best China Eastern deals on London Heathrow Airport to Seoul flight tickets
China Eastern
12 May
LHR9:20 p.m.London Heathrow
33h 50m
1 stop
ICN3:10 p.m.Incheon Intl
25 May
ICN12:55 p.m.Incheon Intl
37h 45m
1 stop
LHR6:40 p.m.London Heathrow
C$ 677
China Eastern
25 Apr
LHR9:20 p.m.London Heathrow
33h 50m
1 stop
ICN3:10 p.m.Incheon Intl
15 May
ICN6:25 p.m.Incheon Intl
32h 15m
1 stop
LHR6:40 p.m.London Heathrow
C$ 680
China Eastern
1 May
LHR9:20 p.m.London Heathrow
33h 30m
2 stops
ICN2:50 p.m.Incheon Intl
19 May
ICN8:55 a.m.Incheon Intl
17h 45m
1 stop
LHR6:40 p.m.London Heathrow
C$ 688

Scandinavian Airlines flights from London Heathrow Airport to Seoul

Our best Scandinavian Airlines deals on London Heathrow Airport to Seoul flight tickets
Scandinavian Airlines
8 Mar
LHR9:55 a.m.London Heathrow
24h 05m
2 stops
ICN7:00 p.m.Incheon Intl
28 Mar
ICN11:45 p.m.Incheon Intl
27h 05m
2 stops
LHR5:50 p.m.London Heathrow
C$ 938
Scandinavian Airlines
7 Mar
LHR10:35 a.m.London Heathrow
47h 25m
2 stops
ICN7:00 p.m.Incheon Intl
30 Mar
ICN11:35 p.m.Incheon Intl
24h 50m
2 stops
LHR4:25 p.m.London Heathrow
C$ 957
Scandinavian Airlines
9 Mar
LHR9:05 p.m.London Heathrow
36h 55m
2 stops
ICN7:00 p.m.Incheon Intl
13 Mar
ICN11:45 p.m.Incheon Intl
23h 50m
2 stops
LHR2:35 p.m.London Heathrow
C$ 968

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 29 January 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

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 12/5

9:20 p.m.-3:10 p.m.

1 stop33h 50m

Incheon Intl

Mon 25/5

12:55 p.m.-6:40 p.m.

1 stop37h 45m

C$ 677

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 25/4

9:20 p.m.-11:55 a.m.

1 stop30h 35m

Incheon Intl

Wed 13/5

8:55 a.m.-6:40 p.m.

1 stop17h 45m

C$ 680

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 1/5

9:20 p.m.-2:50 p.m.

2 stops33h 30m

Incheon Intl

Tue 19/5

8:55 a.m.-6:40 p.m.

1 stop17h 45m

C$ 688

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 8/3

8:25 p.m.-1:05 p.m.

1 stop31h 40m

Seoul Gimpo Intl

Sat 28/3

2:25 p.m.-4:40 p.m.

1 stop35h 15m

C$ 843

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 7/3

8:25 p.m.-1:05 p.m.

1 stop31h 40m

Seoul Gimpo Intl

Sat 28/3

2:25 p.m.-4:40 p.m.

1 stop35h 15m

C$ 908

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 7/3

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

1 stop29h 55m

Seoul Gimpo Intl

Sat 28/3

1:30 p.m.-3:15 p.m.

2 stops34h 45m

C$ 1,485

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 8/3

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

1 stop29h 55m

Seoul Gimpo Intl

Sat 28/3

1:30 p.m.-3:15 p.m.

2 stops34h 45m

C$ 1,550

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 9/5

9:10 p.m.-12:55 p.m.

1 stop31h 45m

Seoul Gimpo Intl

Thu 28/5

1:55 p.m.-4:30 p.m.

1 stop34h 35m

C$ 1,590

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 16/5

9:10 p.m.-12:55 p.m.

1 stop31h 45m

Seoul Gimpo Intl

Sun 31/5

1:55 p.m.-4:30 p.m.

1 stop34h 35m

C$ 1,596

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 16/6

9:40 a.m.-10:45 a.m.

1 stop17h 05m

Seoul Gimpo Intl

Sun 28/6

12:05 p.m.-6:25 a.m.

1 stop26h 20m

C$ 1,903

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$ 796, 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$ 867.

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$ 1,267 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$ 1,089 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 65% 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 January 2026, prices for London Heathrow Airport to Seoul flights are approximately 5% 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 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

  • 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 12h 45m 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