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Cheap flights from London Heathrow Airport to Seoul from C$ 647

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.
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$ 1,201Shenzhen Airlines
Fri, 4 Sep - Thu, 24 Sep
Lufthansa Logo
6:30 a.m. - 11:00 a.m.
LHR
-
ICN
19h 30m
1 stop
Lufthansa Logo
12:55 p.m. - 8:05 a.m.
ICN
-
LHR
28h 10m
2 stops
C$ 1,208Lufthansa
Sat, 26 Dec - Wed, 13 Jan
Etihad Airways Logo
2:45 p.m. - 10:15 p.m.
LHR
-
ICN
23h 30m
1 stop
Etihad Airways Logo
5:50 p.m. - 6:40 a.m.
ICN
-
LHR
21h 50m
1 stop
C$ 1,213Etihad Airways
Tue, 20 Oct - Wed, 4 Nov
Etihad Airways Logo
8:45 p.m. - 10:15 p.m.
LHR
-
ICN
17h 30m
1 stop
Etihad Airways Logo
5:50 p.m. - 12:05 p.m.
ICN
-
LHR
27h 15m
1 stop
C$ 1,216Etihad Airways
Sun, 27 Sep - Sat, 5 Dec
Etihad Airways Logo
9:45 p.m. - 10:55 a.m.
LHR
-
ICN
29h 10m
1 stop
Etihad Airways Logo
1:35 a.m. - 3:05 p.m.
ICN
-
LHR
21h 30m
1 stop
C$ 1,219Etihad Airways
Sat, 12 Sep - Fri, 25 Sep
China Eastern Logo
9:00 p.m. - 8:40 p.m.
LHR
-
ICN
38h 40m
2 stops
China Eastern Logo
8:55 a.m. - 5:30 p.m.
ICN
-
LHR
17h 35m
1 stop
C$ 1,222China Eastern
Tue, 10 Nov - Sat, 28 Nov
Multiple Airlines Logo
5:10 p.m. - 4:25 p.m.
LHR
-
ICN
15h 15m
1 stop
Multiple Airlines Logo
10:25 p.m. - 10:30 a.m.
ICN
-
LHR
20h 05m
2 stops
C$ 1,223Multiple Airlines
Mon, 14 Sep - Mon, 5 Oct
China Eastern Logo
9:00 p.m. - 11:00 a.m.
LHR
-
GMP
29h 00m
1 stop
China Eastern Logo
8:50 p.m. - 5:30 p.m.
GMP
-
LHR
29h 40m
1 stop
C$ 1,268China Eastern
Mon, 9 Nov - Mon, 23 Nov
Air China Logo
8:25 p.m. - 1:05 p.m.
LHR
-
GMP
31h 40m
1 stop
Air China Logo
2:25 p.m. - 3:55 p.m.
GMP
-
LHR
34h 30m
1 stop
C$ 1,347Air China
Thu, 26 Nov - Tue, 1 Dec
Multiple Airlines Logo
3:05 p.m. - 10:25 p.m.
LHR
-
GMP
23h 20m
2 stops
Multiple Airlines Logo
1:55 p.m. - 6:25 a.m.
GMP
-
LHR
24h 30m
2 stops
C$ 2,086Multiple Airlines
Wed, 26 Aug - Thu, 10 Sep

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Etihad Airways flights from London Heathrow Airport to Seoul

Our best Etihad Airways deals on London Heathrow Airport to Seoul flight tickets
Etihad Airways
20 Oct
LHR2:45 p.m.London Heathrow
23h 30m
1 stop
ICN10:15 p.m.Incheon Intl
4 Nov
ICN5:50 p.m.Incheon Intl
21h 50m
1 stop
LHR6:40 a.m.London Heathrow
C$ 1,213
Etihad Airways
27 Sep
LHR8:45 p.m.London Heathrow
17h 30m
1 stop
ICN10:15 p.m.Incheon Intl
5 Dec
ICN5:50 p.m.Incheon Intl
27h 15m
1 stop
LHR12:05 p.m.London Heathrow
C$ 1,216
Etihad Airways
12 Sep
LHR9:45 p.m.London Heathrow
29h 10m
1 stop
ICN10:55 a.m.Incheon Intl
25 Sep
ICN1:35 a.m.Incheon Intl
21h 30m
1 stop
LHR3:05 p.m.London Heathrow
C$ 1,219

China Eastern flights from London Heathrow Airport to Seoul

Our best China Eastern deals on London Heathrow Airport to Seoul flight tickets
China Eastern
10 Nov
LHR9:00 p.m.London Heathrow
38h 40m
2 stops
ICN8:40 p.m.Incheon Intl
28 Nov
ICN8:55 a.m.Incheon Intl
17h 35m
1 stop
LHR5:30 p.m.London Heathrow
C$ 1,222
China Eastern
10 Nov
LHR9:00 p.m.London Heathrow
28h 55m
2 stops
ICN10:55 a.m.Incheon Intl
24 Nov
ICN3:40 p.m.Incheon Intl
34h 50m
2 stops
LHR5:30 p.m.London Heathrow
C$ 1,232
China Eastern
26 Sep
LHR9:20 p.m.London Heathrow
15h 25m
1 stop
ICN8:45 p.m.Incheon Intl
19 Oct
ICN8:55 a.m.Incheon Intl
17h 45m
1 stop
LHR6:40 p.m.London Heathrow
C$ 1,233

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 July 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 4/9

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

1 stop34h 40m

Incheon Intl

Thu 24/9

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

1 stop36h 45m

C$ 1,201

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 26/12

6:30 a.m.-11:00 a.m.

1 stop19h 30m

Incheon Intl

Wed 13/1

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

2 stops28h 10m

C$ 1,208

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 20/10

2:45 p.m.-10:15 p.m.

1 stop23h 30m

Incheon Intl

Wed 4/11

5:50 p.m.-6:40 a.m.

1 stop21h 50m

C$ 1,213

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 27/9

8:45 p.m.-10:15 p.m.

1 stop17h 30m

Incheon Intl

Sat 5/12

5:50 p.m.-12:05 p.m.

1 stop27h 15m

C$ 1,216

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 12/9

9:45 p.m.-10:55 a.m.

1 stop29h 10m

Incheon Intl

Fri 25/9

1:35 a.m.-3:05 p.m.

1 stop21h 30m

C$ 1,219

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 10/11

9:00 p.m.-8:40 p.m.

2 stops38h 40m

Incheon Intl

Sat 28/11

8:55 a.m.-5:30 p.m.

1 stop17h 35m

C$ 1,222
Quickest round-trip

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 14/9

5:10 p.m.-4:25 p.m.

1 stop15h 15m

Incheon Intl

Mon 5/10

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

2 stops20h 05m

C$ 1,223

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 9/11

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

1 stop29h 00m

Seoul Gimpo Intl

Mon 23/11

8:50 p.m.-5:30 p.m.

1 stop29h 40m

C$ 1,268

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 26/11

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

1 stop31h 40m

Seoul Gimpo Intl

Tue 1/12

2:25 p.m.-3:55 p.m.

1 stop34h 30m

C$ 1,347

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 26/8

3:05 p.m.-10:25 p.m.

2 stops23h 20m

Seoul Gimpo Intl

Thu 10/9

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

2 stops24h 30m

C$ 2,086

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?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 1,233 to C$ 1,788.
The lowest price recently found on this route was C$ 1,201.

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$ 889, 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 November is your next best option. Flight prices from London Heathrow Airport to Seoul during November average around C$ 1,018.

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$ 1,581. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,731 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$ 1,327 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$ 1,111 on momondo.

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

There is only 1 cabin class 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 37% 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 July 2026, prices for London Heathrow Airport to Seoul flights are approximately 2% 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

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