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Cheap flights from London Heathrow Airport to Seoul from C$ 627

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 18/8. 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.
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$ 1,215China Eastern
Thu, 12 Nov - Mon, 23 Nov
Etihad Airways Logo
2:45 p.m. - 10:50 a.m.
LHR
-
ICN
36h 05m
1 stop
Etihad Airways Logo
6:20 p.m. - 6:45 p.m.
ICN
-
LHR
32h 25m
1 stop
C$ 1,215Etihad Airways
Sun, 30 Aug - Wed, 9 Sep
Etihad Airways Logo
1:55 p.m. - 10:45 a.m.
LHR
-
ICN
35h 50m
1 stop
Etihad Airways Logo
11:45 p.m. - 12:05 p.m.
ICN
-
LHR
21h 20m
1 stop
C$ 1,216Etihad Airways
Fri, 6 Nov - Wed, 2 Dec
Multiple Airlines Logo
9:30 a.m. - 11:15 a.m.
LHR
-
ICN
16h 45m
2 stops
Multiple Airlines Logo
1:30 p.m. - 7:25 a.m.
ICN
-
LHR
26h 55m
2 stops
C$ 1,218Multiple Airlines
Tue, 24 Nov - Wed, 9 Dec
Multiple Airlines Logo
5:10 p.m. - 4:25 p.m.
LHR
-
ICN
15h 15m
1 stop
Multiple Airlines Logo
11:40 a.m. - 7:55 a.m.
ICN
-
LHR
28h 15m
1 stop
C$ 1,222Multiple Airlines
Wed, 12 Aug - Wed, 9 Sep
Lufthansa Logo
7:40 a.m. - 11:00 a.m.
LHR
-
ICN
18h 20m
2 stops
Lufthansa Logo
12:55 p.m. - 10:20 p.m.
ICN
-
LHR
18h 25m
1 stop
C$ 1,224Lufthansa
Mon, 14 Dec - Sun, 17 Jan
Lufthansa Logo
10:50 a.m. - 9:55 a.m.
LHR
-
ICN
15h 05m
1 stop
Lufthansa Logo
11:40 a.m. - 7:40 p.m.
ICN
-
LHR
16h 00m
1 stop
C$ 1,225Lufthansa
Sun, 13 Sep - Mon, 5 Oct
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$ 1,413Air China
Wed, 25 Nov - Sun, 29 Nov
China Airlines Logo
9:15 p.m. - 12:45 p.m.
LHR
-
GMP
30h 30m
1 stop
China Airlines Logo
1:45 p.m. - 4:55 p.m.
GMP
-
LHR
36h 10m
1 stop
C$ 2,054China Airlines
Fri, 13 Nov - Thu, 26 Nov
China Airlines Logo
9:15 p.m. - 12:45 p.m.
LHR
-
GMP
30h 30m
1 stop
China Airlines Logo
1:45 p.m. - 4:55 p.m.
GMP
-
LHR
36h 10m
1 stop
C$ 2,158China Airlines
Fri, 13 Nov - Mon, 23 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
14 Dec
LHR7:40 a.m.London Heathrow
18h 20m
2 stops
ICN11:00 a.m.Incheon Intl
17 Jan
ICN12:55 p.m.Incheon Intl
18h 25m
1 stop
LHR10:20 p.m.London Heathrow
C$ 1,224
Lufthansa
13 Sep
LHR10:50 a.m.London Heathrow
15h 05m
1 stop
ICN9:55 a.m.Incheon Intl
5 Oct
ICN11:40 a.m.Incheon Intl
16h 00m
1 stop
LHR7:40 p.m.London Heathrow
C$ 1,225
Lufthansa
14 Sep
LHR6:55 a.m.London Heathrow
19h 00m
1 stop
ICN9:55 a.m.Incheon Intl
3 Oct
ICN12:20 p.m.Incheon Intl
17h 50m
1 stop
LHR10:10 p.m.London Heathrow
C$ 1,252

Etihad Airways flights from London Heathrow Airport to Seoul

Our best Etihad Airways deals on London Heathrow Airport to Seoul flight tickets
Etihad Airways
30 Aug
LHR2:45 p.m.London Heathrow
36h 05m
1 stop
ICN10:50 a.m.Incheon Intl
9 Sep
ICN6:20 p.m.Incheon Intl
32h 25m
1 stop
LHR6:45 p.m.London Heathrow
C$ 1,215
Etihad Airways
6 Nov
LHR1:55 p.m.London Heathrow
35h 50m
1 stop
ICN10:45 a.m.Incheon Intl
2 Dec
ICN11:45 p.m.Incheon Intl
21h 20m
1 stop
LHR12:05 p.m.London Heathrow
C$ 1,216
Etihad Airways
27 Sep
LHR9:45 p.m.London Heathrow
16h 30m
1 stop
ICN10:15 p.m.Incheon Intl
12 Oct
ICN6:20 p.m.Incheon Intl
20h 40m
1 stop
LHR7:00 a.m.London Heathrow
C$ 1,266

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 9 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

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 12/11

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$ 1,215

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 30/8

2:45 p.m.-10:50 a.m.

1 stop36h 05m

Incheon Intl

Wed 9/9

6:20 p.m.-6:45 p.m.

1 stop32h 25m

C$ 1,215

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 6/11

1:55 p.m.-10:45 a.m.

1 stop35h 50m

Incheon Intl

Wed 2/12

11:45 p.m.-12:05 p.m.

1 stop21h 20m

C$ 1,216

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 24/11

9:30 a.m.-11:15 a.m.

2 stops16h 45m

Incheon Intl

Wed 9/12

1:30 p.m.-7:25 a.m.

2 stops26h 55m

C$ 1,218

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 12/8

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

1 stop15h 15m

Incheon Intl

Wed 9/9

11:40 a.m.-7:55 a.m.

1 stop28h 15m

C$ 1,222

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 14/12

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

2 stops18h 20m

Incheon Intl

Sun 17/1

12:55 p.m.-10:20 p.m.

1 stop18h 25m

C$ 1,224
Quickest round-trip

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 13/9

10:50 a.m.-9:55 a.m.

1 stop15h 05m

Incheon Intl

Mon 5/10

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

1 stop16h 00m

C$ 1,225

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 25/11

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

1 stop31h 40m

Seoul Gimpo Intl

Sun 29/11

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

1 stop34h 30m

C$ 1,413

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Fri 13/11

9:15 p.m.-12:45 p.m.

1 stop30h 30m

Seoul Gimpo Intl

Thu 26/11

1:45 p.m.-4:55 p.m.

1 stop36h 10m

C$ 2,054

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Fri 13/11

9:15 p.m.-12:45 p.m.

1 stop30h 30m

Seoul Gimpo Intl

Mon 23/11

1:45 p.m.-4:55 p.m.

1 stop36h 10m

C$ 2,158

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$ 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$ 1,591. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,741 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$ 1,334 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$ 1,053 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 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 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