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Cheap flights from London Heathrow Airport to Seoul from C$ 641

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 4/11. 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. - 11:15 a.m.
LHR
-
ICN
18h 35m
1 stop
Lufthansa Logo
12:55 p.m. - 8:05 a.m.
ICN
-
LHR
28h 10m
2 stops
C$ 1,219Lufthansa
Fri, 11 Dec - Wed, 30 Dec
China Eastern Logo
9:00 p.m. - 11:00 a.m.
LHR
-
ICN
29h 00m
2 stops
China Eastern Logo
7:25 a.m. - 5:30 p.m.
ICN
-
LHR
43h 05m
2 stops
C$ 1,226China Eastern
Tue, 10 Nov - Mon, 23 Nov
Scandinavian Airlines Logo
7:30 p.m. - 7:00 p.m.
LHR
-
ICN
14h 30m
1 stop
Scandinavian Airlines Logo
11:45 p.m. - 9:20 a.m.
ICN
-
LHR
18h 35m
1 stop
C$ 1,229Scandinavian Airlines
Wed, 9 Dec - Thu, 31 Dec
SWISS Logo
7:00 a.m. - 7:40 a.m.
LHR
-
ICN
16h 40m
2 stops
SWISS Logo
9:30 a.m. - 9:30 p.m.
ICN
-
LHR
20h 00m
2 stops
C$ 1,231SWISS
Tue, 15 Sep - Wed, 7 Oct
SWISS Logo
6:40 p.m. - 7:40 a.m.
LHR
-
ICN
29h 00m
1 stop
SWISS Logo
9:30 a.m. - 9:30 p.m.
ICN
-
LHR
20h 00m
2 stops
C$ 1,241SWISS
Thu, 17 Sep - Wed, 7 Oct
Scandinavian Airlines Logo
6:40 p.m. - 6:35 p.m.
LHR
-
ICN
15h 55m
1 stop
Scandinavian Airlines Logo
11:45 p.m. - 4:25 p.m.
ICN
-
LHR
25h 40m
2 stops
C$ 1,244Scandinavian Airlines
Tue, 13 Oct - Tue, 1 Dec
Multiple Airlines Logo
4:00 p.m. - 10:25 p.m.
LHR
-
GMP
22h 25m
2 stops
Multiple Airlines Logo
1:55 p.m. - 6:25 a.m.
GMP
-
LHR
24h 30m
2 stops
C$ 1,952Multiple Airlines
Thu, 27 Aug - Sun, 13 Sep
Multiple Airlines Logo
9:30 a.m. - 10:25 p.m.
LHR
-
GMP
28h 55m
2 stops
Multiple Airlines Logo
1:55 p.m. - 6:25 a.m.
GMP
-
LHR
24h 30m
2 stops
C$ 1,969Multiple Airlines
Thu, 27 Aug - Sun, 13 Sep
Japan Airlines Logo
9:10 a.m. - 9:15 p.m.
LHR
-
GMP
28h 05m
1 stop
Japan Airlines Logo
7:15 p.m. - 3:55 p.m.
GMP
-
LHR
28h 40m
1 stop
C$ 2,073Japan Airlines
Tue, 21 Jul - Wed, 29 Jul
Japan Airlines Logo
9:10 a.m. - 9:15 p.m.
LHR
-
GMP
28h 05m
1 stop
Japan Airlines Logo
7:15 p.m. - 3:55 p.m.
GMP
-
LHR
28h 40m
1 stop
C$ 2,147Japan Airlines
Mon, 10 Aug - Wed, 30 Sep

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Shenzhen Airlines flights from London Heathrow Airport to Seoul

Our best Shenzhen Airlines deals on London Heathrow Airport to Seoul flight tickets
Shenzhen Airlines
4 Jul
LHR10:05 p.m.London Heathrow
32h 10m
1 stop
ICN2:15 p.m.Incheon Intl
19 Jul
ICN5:45 p.m.Incheon Intl
34h 05m
1 stop
LHR7:50 p.m.London Heathrow
C$ 1,322
Shenzhen Airlines
29 Jun
LHR10:05 p.m.London Heathrow
34h 40m
1 stop
ICN4:45 p.m.Incheon Intl
12 Jul
ICN3:15 p.m.Incheon Intl
36h 35m
1 stop
LHR7:50 p.m.London Heathrow
C$ 1,413
Shenzhen Airlines
28 Jun
LHR10:05 p.m.London Heathrow
32h 10m
1 stop
ICN2:15 p.m.Incheon Intl
10 Jul
ICN3:15 p.m.Incheon Intl
36h 35m
1 stop
LHR7:50 p.m.London Heathrow
C$ 1,414

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 Dec
LHR7:30 p.m.London Heathrow
14h 30m
1 stop
ICN7:00 p.m.Incheon Intl
31 Dec
ICN11:45 p.m.Incheon Intl
18h 35m
1 stop
LHR9:20 a.m.London Heathrow
C$ 1,229
Scandinavian Airlines
13 Oct
LHR6:40 p.m.London Heathrow
15h 55m
1 stop
ICN6:35 p.m.Incheon Intl
1 Dec
ICN11:45 p.m.Incheon Intl
25h 40m
2 stops
LHR4:25 p.m.London Heathrow
C$ 1,244
Scandinavian Airlines
13 Oct
LHR10:35 a.m.London Heathrow
24h 00m
2 stops
ICN6:35 p.m.Incheon Intl
1 Dec
ICN11:45 p.m.Incheon Intl
23h 50m
2 stops
LHR2:35 p.m.London Heathrow
C$ 1,247

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 23 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

Fri 11/12

7:40 a.m.-11:15 a.m.

1 stop18h 35m

Incheon Intl

Wed 30/12

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

2 stops28h 10m

C$ 1,219

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 10/11

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

2 stops29h 00m

Incheon Intl

Mon 23/11

7:25 a.m.-5:30 p.m.

2 stops43h 05m

C$ 1,226
Quickest round-trip

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 9/12

7:30 p.m.-7:00 p.m.

1 stop14h 30m

Incheon Intl

Thu 31/12

11:45 p.m.-9:20 a.m.

1 stop18h 35m

C$ 1,229

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 15/9

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

2 stops16h 40m

Incheon Intl

Wed 7/10

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

2 stops20h 00m

C$ 1,231

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 17/9

6:40 p.m.-7:40 a.m.

1 stop29h 00m

Incheon Intl

Wed 7/10

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

2 stops20h 00m

C$ 1,241

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 13/10

6:40 p.m.-6:35 p.m.

1 stop15h 55m

Incheon Intl

Tue 1/12

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

2 stops25h 40m

C$ 1,244

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 27/8

4:00 p.m.-10:25 p.m.

2 stops22h 25m

Seoul Gimpo Intl

Sun 13/9

1:55 p.m.-6:25 a.m.

2 stops24h 30m

C$ 1,952

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 27/8

9:30 a.m.-10:25 p.m.

2 stops28h 55m

Seoul Gimpo Intl

Sun 13/9

1:55 p.m.-6:25 a.m.

2 stops24h 30m

C$ 1,969

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 21/7

9:10 a.m.-9:15 p.m.

1 stop28h 05m

Seoul Gimpo Intl

Wed 29/7

7:15 p.m.-3:55 p.m.

1 stop28h 40m

C$ 2,073

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 10/8

9:10 a.m.-9:15 p.m.

1 stop28h 05m

Seoul Gimpo Intl

Wed 30/9

7:15 p.m.-3:55 p.m.

1 stop28h 40m

C$ 2,147

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 January. Flight prices, which tend to average around C$ 580, 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$ 631.

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$ 1,435. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,743 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$ 1,330 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$ 1,067 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 3% 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