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Cheap flights from London Heathrow Airport to Seoul from C$ 540

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 24/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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. - 3:20 p.m.
LHR
-
ICN
34h 00m
1 stop
China Eastern Logo
2:30 p.m. - 6:40 p.m.
ICN
-
LHR
36h 10m
1 stop
C$ 833China Eastern
Tue, 28 Apr - Wed, 6 May
China Eastern Logo
9:20 p.m. - 11:55 a.m.
LHR
-
ICN
30h 35m
1 stop
China Eastern Logo
3:40 p.m. - 5:30 p.m.
ICN
-
LHR
58h 50m
2 stops
C$ 843China Eastern
Mon, 14 Sep - Mon, 23 Nov
China Eastern Logo
9:20 p.m. - 1:15 p.m.
LHR
-
ICN
31h 55m
2 stops
China Eastern Logo
4:35 p.m. - 6:40 p.m.
ICN
-
LHR
34h 05m
2 stops
C$ 854China Eastern
Tue, 15 Sep - Tue, 20 Oct
Shenzhen Airlines Logo
10:05 p.m. - 4:45 p.m.
LHR
-
ICN
34h 40m
1 stop
Shenzhen Airlines Logo
5:45 p.m. - 8:00 p.m.
ICN
-
LHR
34h 15m
1 stop
C$ 868Shenzhen Airlines
Mon, 11 May - Sat, 6 Jun
Shenzhen Airlines Logo
10:05 p.m. - 4:45 p.m.
LHR
-
ICN
34h 40m
1 stop
Shenzhen Airlines Logo
5:45 p.m. - 8:00 p.m.
ICN
-
LHR
34h 15m
1 stop
C$ 871Shenzhen Airlines
Mon, 25 May - Sat, 6 Jun
Shenzhen Airlines Logo
10:05 p.m. - 2:15 p.m.
LHR
-
ICN
32h 10m
1 stop
Shenzhen Airlines Logo
5:45 p.m. - 8:00 p.m.
ICN
-
LHR
34h 15m
1 stop
C$ 874Shenzhen Airlines
Mon, 25 May - Sat, 13 Jun
Shenzhen Airlines Logo
10:05 p.m. - 2:15 p.m.
LHR
-
ICN
32h 10m
1 stop
Shenzhen Airlines Logo
5:45 p.m. - 8:00 p.m.
ICN
-
LHR
34h 15m
1 stop
C$ 877Shenzhen Airlines
Sat, 16 May - Tue, 9 Jun
Etihad Airways Logo
9:15 a.m. - 10:50 a.m.
LHR
-
ICN
17h 35m
1 stop
Etihad Airways Logo
5:50 p.m. - 7:00 a.m.
ICN
-
LHR
21h 10m
1 stop
C$ 886Etihad Airways
Tue, 28 Apr - Tue, 5 May
Etihad Airways Logo
8:45 p.m. - 10:50 a.m.
LHR
-
ICN
30h 05m
1 stop
Etihad Airways Logo
5:50 p.m. - 7:00 a.m.
ICN
-
LHR
21h 10m
1 stop
C$ 897Etihad Airways
Wed, 29 Apr - Wed, 20 May
Air China Logo
8:25 p.m. - 1:05 p.m.
LHR
-
GMP
32h 40m
1 stop
Air China Logo
2:25 p.m. - 3:55 p.m.
GMP
-
LHR
34h 30m
1 stop
C$ 1,485Air China
Thu, 7 May - Tue, 10 Nov

Etihad Airways flights from London Heathrow Airport to Seoul

Our best Etihad Airways deals on London Heathrow Airport to Seoul flight tickets
Etihad Airways
25 Apr
LHR9:15 a.m.London Heathrow
17h 35m
1 stop
ICN10:50 a.m.Incheon Intl
8 May
ICN5:50 p.m.Incheon Intl
29h 15m
1 stop
LHR3:05 p.m.London Heathrow
C$ 833
Etihad Airways
17 Apr
LHR9:15 a.m.London Heathrow
17h 35m
1 stop
ICN10:50 a.m.Incheon Intl
22 Apr
ICN5:50 p.m.Incheon Intl
33h 30m
1 stop
LHR7:20 p.m.London Heathrow
C$ 838
Etihad Airways
19 Jun
LHR9:30 a.m.London Heathrow
17h 20m
1 stop
ICN10:50 a.m.Incheon Intl
26 Jun
ICN1:35 a.m.Incheon Intl
19h 10m
1 stop
LHR12:45 p.m.London Heathrow
C$ 870

China Eastern flights from London Heathrow Airport to Seoul

Our best China Eastern deals on London Heathrow Airport to Seoul flight tickets
China Eastern
14 Sep
LHR9:20 p.m.London Heathrow
30h 35m
1 stop
ICN11:55 a.m.Incheon Intl
23 Nov
ICN3:40 p.m.Incheon Intl
58h 50m
2 stops
LHR5:30 p.m.London Heathrow
C$ 843
China Eastern
15 Sep
LHR9:20 p.m.London Heathrow
31h 55m
2 stops
ICN1:15 p.m.Incheon Intl
20 Oct
ICN4:35 p.m.Incheon Intl
34h 05m
2 stops
LHR6:40 p.m.London Heathrow
C$ 854
China Eastern
15 Sep
LHR9:20 p.m.London Heathrow
15h 25m
1 stop
ICN8:45 p.m.Incheon Intl
20 Oct
ICN4:35 p.m.Incheon Intl
34h 05m
2 stops
LHR6:40 p.m.London Heathrow
C$ 908

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 2 April 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

Tue 28/4

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

1 stop34h 00m

Incheon Intl

Wed 6/5

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

1 stop36h 10m

C$ 833

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 14/9

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

1 stop30h 35m

Incheon Intl

Mon 23/11

3:40 p.m.-5:30 p.m.

2 stops58h 50m

C$ 843

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 15/9

9:20 p.m.-1:15 p.m.

2 stops31h 55m

Incheon Intl

Tue 20/10

4:35 p.m.-6:40 p.m.

2 stops34h 05m

C$ 854

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 11/5

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

1 stop34h 40m

Incheon Intl

Sat 6/6

5:45 p.m.-8:00 p.m.

1 stop34h 15m

C$ 868

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 25/5

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

1 stop34h 40m

Incheon Intl

Sat 6/6

5:45 p.m.-8:00 p.m.

1 stop34h 15m

C$ 871

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 25/5

10:05 p.m.-2:15 p.m.

1 stop32h 10m

Incheon Intl

Sat 13/6

5:45 p.m.-8:00 p.m.

1 stop34h 15m

C$ 874

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 16/5

10:05 p.m.-2:15 p.m.

1 stop32h 10m

Incheon Intl

Tue 9/6

5:45 p.m.-8:00 p.m.

1 stop34h 15m

C$ 877
Quickest round-trip

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 28/4

9:15 a.m.-10:50 a.m.

1 stop17h 35m

Incheon Intl

Tue 5/5

5:50 p.m.-7:00 a.m.

1 stop21h 10m

C$ 886

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 29/4

8:45 p.m.-10:50 a.m.

1 stop30h 05m

Incheon Intl

Wed 20/5

5:50 p.m.-7:00 a.m.

1 stop21h 10m

C$ 897

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 7/5

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

1 stop32h 40m

Seoul Gimpo Intl

Tue 10/11

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

1 stop34h 30m

C$ 1,485

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$ 829, 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$ 842.

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$ 1,405. The most expensive day to fly to Seoul is Monday, with ticket prices averaging around C$ 2,080.

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$ 1,405. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,978 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$ 1,292 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 to Seoul flights?

There are 2 cabin classes 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?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Seoul.

How have London Heathrow Airport to Seoul flight prices changed over time?

As of April 2026, prices for London Heathrow Airport to Seoul flights are approximately 1% 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