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Cheap flights from London Heathrow Airport to Seoul from C$ 663

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 31/8. 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
1 adult, Economy, 0 bags

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
7:40 a.m. - 11:00 a.m.
LHR
-
ICN
18h 20m
2 stops
Lufthansa Logo
12:55 p.m. - 8:05 a.m.
ICN
-
LHR
28h 10m
2 stops
C$ 1,169Lufthansa
Wed, 4 Nov - Thu, 12 Nov
Multiple Airlines Logo
6:55 a.m. - 9:55 a.m.
LHR
-
ICN
19h 00m
1 stop
Multiple Airlines Logo
9:30 a.m. - 7:20 p.m.
ICN
-
LHR
17h 50m
1 stop
C$ 1,171Multiple Airlines
Thu, 17 Sep - Wed, 7 Oct
Lufthansa Logo
11:30 a.m. - 9:55 a.m.
LHR
-
ICN
14h 25m
1 stop
Lufthansa Logo
12:20 p.m. - 10:10 p.m.
ICN
-
LHR
17h 50m
1 stop
C$ 1,175Lufthansa
Thu, 3 Sep - Wed, 30 Sep
Lufthansa Logo
7:40 a.m. - 11:00 a.m.
LHR
-
ICN
18h 20m
2 stops
Lufthansa Logo
12:55 p.m. - 8:50 p.m.
ICN
-
LHR
16h 55m
1 stop
C$ 1,178Lufthansa
Wed, 4 Nov - Wed, 11 Nov
Shenzhen Airlines Logo
10:05 p.m. - 4:45 p.m.
LHR
-
ICN
34h 40m
1 stop
Shenzhen Airlines Logo
3:15 p.m. - 8:00 p.m.
ICN
-
LHR
36h 45m
1 stop
C$ 1,185Shenzhen Airlines
Mon, 31 Aug - Tue, 15 Sep
Shenzhen Airlines Logo
10:05 p.m. - 4:45 p.m.
LHR
-
ICN
34h 40m
1 stop
Shenzhen Airlines Logo
3:15 p.m. - 7:50 p.m.
ICN
-
LHR
36h 35m
1 stop
C$ 1,186Shenzhen Airlines
Sun, 30 Aug - Fri, 18 Sep
China Eastern Logo
9:20 p.m. - 11:00 a.m.
LHR
-
GMP
29h 40m
1 stop
China Eastern Logo
8:50 p.m. - 6:40 p.m.
GMP
-
LHR
29h 50m
1 stop
C$ 1,685China Eastern
Sun, 5 Jul - Sun, 12 Jul
China Eastern Logo
8:55 a.m. - 7:50 p.m.
LHR
-
GMP
26h 55m
2 stops
China Eastern Logo
8:50 p.m. - 10:30 a.m.
GMP
-
LHR
45h 40m
2 stops
C$ 2,137China Eastern
Mon, 28 Sep - Mon, 5 Oct
Japan Airlines Logo
9:10 a.m. - 5:55 p.m.
LHR
-
GMP
24h 45m
1 stop
Japan Airlines Logo
7:15 p.m. - 6:25 a.m.
GMP
-
LHR
19h 10m
1 stop
C$ 2,316Japan Airlines
Mon, 7 Sep - Tue, 29 Sep
Japan Airlines Logo
8:40 a.m. - 10:05 p.m.
LHR
-
GMP
28h 25m
1 stop
Japan Airlines Logo
7:40 p.m. - 3:15 p.m.
GMP
-
LHR
28h 35m
1 stop
C$ 2,434Japan Airlines
Mon, 9 Nov - Wed, 25 Nov

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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
4 Nov
LHR7:40 a.m.London Heathrow
18h 20m
2 stops
ICN11:00 a.m.Incheon Intl
12 Nov
ICN12:55 p.m.Incheon Intl
28h 10m
2 stops
LHR8:05 a.m.London Heathrow
C$ 1,169
Lufthansa
3 Sep
LHR11:30 a.m.London Heathrow
14h 25m
1 stop
ICN9:55 a.m.Incheon Intl
30 Sep
ICN12:20 p.m.Incheon Intl
17h 50m
1 stop
LHR10:10 p.m.London Heathrow
C$ 1,175
Lufthansa
4 Nov
LHR7:40 a.m.London Heathrow
18h 20m
2 stops
ICN11:00 a.m.Incheon Intl
11 Nov
ICN12:55 p.m.Incheon Intl
16h 55m
1 stop
LHR8:50 p.m.London Heathrow
C$ 1,178

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 Nov
LHR7:30 p.m.London Heathrow
14h 30m
1 stop
ICN7:00 p.m.Incheon Intl
24 Nov
ICN11:45 p.m.Incheon Intl
25h 40m
2 stops
LHR4:25 p.m.London Heathrow
C$ 1,193
Scandinavian Airlines
17 Nov
LHR7:30 p.m.London Heathrow
14h 30m
1 stop
ICN7:00 p.m.Incheon Intl
30 Nov
ICN11:45 p.m.Incheon Intl
28h 05m
2 stops
LHR6:50 p.m.London Heathrow
C$ 1,196
Scandinavian Airlines
1 Dec
LHR7:30 p.m.London Heathrow
14h 30m
1 stop
ICN7:00 p.m.Incheon Intl
12 Jan
ICN11:45 p.m.Incheon Intl
18h 35m
1 stop
LHR9:20 a.m.London Heathrow
C$ 1,225

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 14 June 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 round-trip

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 4/11

7:40 a.m.-11:00 a.m.

2 stops18h 20m

Incheon Intl

Thu 12/11

12:55 p.m.-8:05 a.m.

2 stops28h 10m

C$ 1,169

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 17/9

6:55 a.m.-9:55 a.m.

1 stop19h 00m

Incheon Intl

Wed 7/10

9:30 a.m.-7:20 p.m.

1 stop17h 50m

C$ 1,171
Quickest round-trip

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 3/9

11:30 a.m.-9:55 a.m.

1 stop14h 25m

Incheon Intl

Wed 30/9

12:20 p.m.-10:10 p.m.

1 stop17h 50m

C$ 1,175

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 4/11

7:40 a.m.-11:00 a.m.

2 stops18h 20m

Incheon Intl

Wed 11/11

12:55 p.m.-8:50 p.m.

1 stop16h 55m

C$ 1,178

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 31/8

10:05 p.m.-4:45 p.m.

1 stop34h 40m

Incheon Intl

Tue 15/9

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

1 stop36h 45m

C$ 1,185

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 30/8

10:05 p.m.-4:45 p.m.

1 stop34h 40m

Incheon Intl

Fri 18/9

3:15 p.m.-7:50 p.m.

1 stop36h 35m

C$ 1,186

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 5/7

9:20 p.m.-11:00 a.m.

1 stop29h 40m

Seoul Gimpo Intl

Sun 12/7

8:50 p.m.-6:40 p.m.

1 stop29h 50m

C$ 1,685

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 28/9

8:55 a.m.-7:50 p.m.

2 stops26h 55m

Seoul Gimpo Intl

Mon 5/10

8:50 p.m.-10:30 a.m.

2 stops45h 40m

C$ 2,137

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 7/9

9:10 a.m.-5:55 p.m.

1 stop24h 45m

Seoul Gimpo Intl

Tue 29/9

7:15 p.m.-6:25 a.m.

1 stop19h 10m

C$ 2,316

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 9/11

8:40 a.m.-10:05 p.m.

1 stop28h 25m

Seoul Gimpo Intl

Wed 25/11

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

1 stop28h 35m

C$ 2,434

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 January. Flight prices, which tend to average around C$ 572, are often lower during this time because this is during the off-season. If you’re not able to fly to Seoul in January, then December is your next best option. Flight prices from London Heathrow Airport to Seoul during December average around C$ 622.

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$ 1,415. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,718 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 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 C$ 1,315 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$ 1,099 on momondo.

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

There are 2 cabin classes 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?

You could potentially save up to 26% 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 June 2026, prices for London Heathrow Airport to Seoul flights are approximately 4% 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

Frequently asked questions about flying from London Heathrow Airport to Seoul

  • 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