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Cheap flights from London Heathrow Airport to Seoul from C$ 518

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 9/4. 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.
Air China Logo
10:40 p.m. - 11:35 a.m.
LHR
-
ICN
28h 55m
1 stop
Air China Logo
10:50 a.m. - 8:25 p.m.
ICN
-
LHR
17h 35m
1 stop
C$ 758Air China
Tue, 12 May - Tue, 19 May
China Eastern Logo
9:20 p.m. - 11:55 a.m.
LHR
-
ICN
30h 35m
1 stop
China Eastern Logo
12:55 p.m. - 6:40 p.m.
ICN
-
LHR
37h 45m
1 stop
C$ 780China Eastern
Wed, 22 Apr - Sun, 3 May
China Eastern Logo
9:20 p.m. - 5:25 p.m.
LHR
-
ICN
36h 05m
1 stop
China Eastern Logo
2:30 p.m. - 6:40 p.m.
ICN
-
LHR
36h 10m
1 stop
C$ 782China Eastern
Wed, 22 Apr - Sun, 3 May
China Southern Logo
9:00 p.m. - 12:25 p.m.
LHR
-
GMP
31h 25m
1 stop
China Southern Logo
1:30 p.m. - 6:05 p.m.
GMP
-
LHR
36h 35m
1 stop
C$ 810China Southern
Tue, 12 May - Tue, 19 May
Multiple Airlines Logo
9:20 p.m. - 8:45 p.m.
LHR
-
ICN
15h 25m
1 stop
Multiple Airlines Logo
8:15 p.m. - 6:40 p.m.
ICN
-
LHR
30h 25m
2 stops
C$ 826Multiple Airlines
Tue, 12 May - Tue, 19 May
Shenzhen Airlines Logo
9:10 p.m. - 3:45 p.m.
LHR
-
ICN
33h 35m
1 stop
Shenzhen Airlines Logo
2:55 p.m. - 7:10 p.m.
ICN
-
LHR
37h 15m
1 stop
C$ 849Shenzhen Airlines
Mon, 16 Mar - Tue, 24 Mar
Shenzhen Airlines Logo
9:10 p.m. - 1:55 p.m.
LHR
-
ICN
31h 45m
1 stop
Shenzhen Airlines Logo
3:15 p.m. - 8:00 p.m.
ICN
-
LHR
36h 45m
1 stop
C$ 851Shenzhen Airlines
Fri, 13 Mar - Thu, 2 Apr
China Southern Logo
9:00 p.m. - 12:25 p.m.
LHR
-
GMP
31h 25m
1 stop
China Southern Logo
1:30 p.m. - 6:05 p.m.
GMP
-
LHR
36h 35m
1 stop
C$ 1,260China Southern
Mon, 18 May - Fri, 22 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$ 1,812China Airlines
Sat, 4 Jul - Sun, 12 Jul
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$ 1,825China Airlines
Tue, 12 May - Mon, 8 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
22 Apr
LHR9:20 p.m.London Heathrow
30h 35m
1 stop
ICN11:55 a.m.Incheon Intl
3 May
ICN12:55 p.m.Incheon Intl
37h 45m
1 stop
LHR6:40 p.m.London Heathrow
C$ 780
China Eastern
22 Apr
LHR9:20 p.m.London Heathrow
36h 05m
1 stop
ICN5:25 p.m.Incheon Intl
3 May
ICN2:30 p.m.Incheon Intl
36h 10m
1 stop
LHR6:40 p.m.London Heathrow
C$ 782
China Eastern
15 Apr
LHR9:20 p.m.London Heathrow
55h 55m
3 stops
ICN1:15 p.m.Incheon Intl
14 May
ICN8:55 a.m.Incheon Intl
17h 45m
1 stop
LHR6:40 p.m.London Heathrow
C$ 789

KLM flights from London Heathrow Airport to Seoul

Our best KLM deals on London Heathrow Airport to Seoul flight tickets
KLM
5 Mar
LHR10:00 a.m.London Heathrow
21h 55m
1 stop
ICN4:55 p.m.Incheon Intl
20 Mar
ICN11:05 p.m.Incheon Intl
26h 55m
1 stop
LHR5:00 p.m.London Heathrow
C$ 810
KLM
5 Mar
LHR3:45 p.m.London Heathrow
16h 10m
1 stop
ICN4:55 p.m.Incheon Intl
20 Mar
ICN11:05 p.m.Incheon Intl
26h 55m
1 stop
LHR5:00 p.m.London Heathrow
C$ 833
KLM
2 Jun
LHR5:10 p.m.London Heathrow
15h 15m
1 stop
ICN4:25 p.m.Incheon Intl
14 Jul
ICN10:25 p.m.Incheon Intl
17h 15m
1 stop
LHR7:40 a.m.London Heathrow
C$ 877

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 27 February 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

10:40 p.m.-11:35 a.m.

1 stop28h 55m

Incheon Intl

Tue 19/5

10:50 a.m.-8:25 p.m.

1 stop17h 35m

C$ 758

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 22/4

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

1 stop30h 35m

Incheon Intl

Sun 3/5

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

1 stop37h 45m

C$ 780

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 22/4

9:20 p.m.-5:25 p.m.

1 stop36h 05m

Incheon Intl

Sun 3/5

2:30 p.m.-6:40 p.m.

1 stop36h 10m

C$ 782

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 12/5

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

1 stop31h 25m

Seoul Gimpo Intl

Tue 19/5

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

1 stop36h 35m

C$ 810

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 12/5

9:20 p.m.-8:45 p.m.

1 stop15h 25m

Incheon Intl

Tue 19/5

8:15 p.m.-6:40 p.m.

2 stops30h 25m

C$ 826

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 16/3

9:10 p.m.-3:45 p.m.

1 stop33h 35m

Incheon Intl

Tue 24/3

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

1 stop37h 15m

C$ 849

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 13/3

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

1 stop31h 45m

Incheon Intl

Thu 2/4

3:15 p.m.-8:00 p.m.

1 stop36h 45m

C$ 851

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 18/5

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

1 stop31h 25m

Seoul Gimpo Intl

Fri 22/5

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

1 stop36h 35m

C$ 1,260

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 4/7

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

1 stop31h 45m

Seoul Gimpo Intl

Sun 12/7

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

1 stop34h 35m

C$ 1,812

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 12/5

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

1 stop31h 45m

Seoul Gimpo Intl

Mon 8/6

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

1 stop34h 35m

C$ 1,825

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$ 815, 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$ 829.

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

Our data shows that Saturday is the least expensive day to fly to Seoul. Tickets to fly out on this day can be as low as C$ 1,384. The most expensive day to fly to Seoul is Monday, with ticket prices averaging around C$ 1,983.

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 afternoon when flights can be purchased for as low as C$ 1,384. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,948 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$ 1,266 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$ 1,143 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 February 2026, prices for London Heathrow Airport to Seoul flights are approximately 3% 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 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

Best price found

C$ 1,384

Fastest flight time

13h 05m

Direct flights

Every day

Airports in Seoul

2 airports
The best flight deal from London Heathrow Airport to Seoul found on momondo in the last 72 hours is C$ 1,384
The fastest flight from London Heathrow Airport to Seoul takes 13h 05m
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 13h 05m 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?

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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