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Cheap flights from London to Seoul from C$ 531

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 to Seoul departing on 25/10. 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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Cheap round-trip flights

Air China Logo
10:00 p.m. - 12:55 p.m.LHR-ICN
30h 55m1 stop
Air China Logo
1:05 p.m. - 8:30 p.m.ICN-LHR
15h 25m1 stop
C$ 744Air China
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Sat, 4 Oct - Sat, 11 Oct
Lufthansa Logo
8:45 a.m. - 11:15 a.m.LHR-ICN
17h 30m1 stop
Lufthansa Logo
1:05 p.m. - 8:50 p.m.ICN-LHR
16h 45m1 stop
C$ 759Lufthansa
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Sun, 11 Jan - Mon, 19 Jan
Lufthansa Logo
10:30 a.m. - 10:50 a.m.LHR-ICN
15h 20m1 stop
Lufthansa Logo
1:30 p.m. - 9:00 p.m.ICN-LHR
16h 30m1 stop
C$ 774Lufthansa
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Fri, 23 Jan - Fri, 27 Feb
Shenzhen Airlines Logo
10:05 p.m. - 1:40 p.m.LHR-ICN
31h 35m1 stop
Shenzhen Airlines Logo
4:40 p.m. - 8:00 p.m.ICN-LHR
35h 20m1 stop
C$ 866Shenzhen Airlines
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Sun, 21 Sep - Thu, 16 Oct
Scandinavian Airlines Logo
10:20 a.m. - 7:00 p.m.LHR-ICN
23h 40m1 stop
Scandinavian Airlines Logo
11:45 p.m. - 9:35 p.m.ICN-LHR
30h 50m2 stops
C$ 913Scandinavian Airlines
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Sun, 9 Nov - Mon, 15 Dec
Scandinavian Airlines Logo
10:35 a.m. - 7:00 p.m.LHR-ICN
47h 25m2 stops
Scandinavian Airlines Logo
11:45 p.m. - 4:25 p.m.ICN-LHR
25h 40m2 stops
C$ 919Scandinavian Airlines
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Sat, 8 Nov - Mon, 15 Dec
Shenzhen Airlines Logo
10:05 p.m. - 1:40 p.m.LHR-ICN
31h 35m1 stop
Shenzhen Airlines Logo
4:45 p.m. - 8:10 p.m.ICN-LHR
35h 25m1 stop
C$ 946Shenzhen Airlines
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Fri, 26 Sep - Sat, 25 Oct
China Southern Logo
9:00 p.m. - 12:25 p.m.LHR-GMP
31h 25m1 stop
China Southern Logo
1:30 p.m. - 6:05 p.m.GMP-LHR
36h 35m1 stop
C$ 978China Southern
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Sat, 4 Oct - Sat, 11 Oct
KLM Logo
5:05 p.m. - 4:55 p.m.LCY-ICN
14h 50m1 stop
KLM Logo
11:05 p.m. - 8:10 a.m.ICN-LCY
18h 05m1 stop
C$ 1,065KLM
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Wed, 3 Dec - Thu, 11 Dec
KLM Logo
5:05 p.m. - 4:55 p.m.LCY-ICN
14h 50m1 stop
KLM Logo
11:05 p.m. - 1:15 p.m.ICN-LCY
23h 10m1 stop
C$ 1,083KLM
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Wed, 11 Feb - Sat, 21 Feb

KLM flights from London to Seoul

Our best KLM deals on London to Seoul flight tickets
KLM
3 Dec
LCY5:05 p.m.London City
14h 50m
1 stop
ICN4:55 p.m.Incheon Intl
11 Dec
ICN11:05 p.m.Incheon Intl
18h 05m
1 stop
LCY8:10 a.m.London City
C$ 1,065
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KLM
11 Feb
LCY5:05 p.m.London City
14h 50m
1 stop
ICN4:55 p.m.Incheon Intl
21 Feb
ICN11:05 p.m.Incheon Intl
23h 10m
1 stop
LCY1:15 p.m.London City
C$ 1,083
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KLM
26 Nov
LCY5:05 p.m.London City
14h 50m
1 stop
ICN4:55 p.m.Incheon Intl
7 Dec
ICN11:05 p.m.Incheon Intl
17h 10m
1 stop
LCY7:15 a.m.London City
C$ 1,097
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Scandinavian Airlines flights from London to Seoul

Our best Scandinavian Airlines deals on London to Seoul flight tickets
Scandinavian Airlines
9 Nov
LHR10:20 a.m.London Heathrow
23h 40m
1 stop
ICN7:00 p.m.Incheon Intl
15 Dec
ICN11:45 p.m.Incheon Intl
30h 50m
2 stops
LHR9:35 p.m.London Heathrow
C$ 913
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Scandinavian Airlines
8 Nov
LHR10:35 a.m.London Heathrow
47h 25m
2 stops
ICN7:00 p.m.Incheon Intl
15 Dec
ICN11:45 p.m.Incheon Intl
25h 40m
2 stops
LHR4:25 p.m.London Heathrow
C$ 919
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Scandinavian Airlines
10 Nov
LHR7:50 p.m.London Heathrow
38h 10m
2 stops
ICN7:00 p.m.Incheon Intl
17 Nov
ICN11:45 p.m.Incheon Intl
18h 35m
1 stop
LHR9:20 a.m.London Heathrow
C$ 923
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momondo Fare Finder

 
Customize your flight search to find flights from London 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 11 September 2025.
Use the filters below to find and compare flights from London to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 4/10

10:00 p.m.-12:55 p.m.

1 stop30h 55m

Incheon Intl

Sat 11/10

1:05 p.m.-8:30 p.m.

1 stop15h 25m

C$ 744

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 11/1

8:45 a.m.-11:15 a.m.

1 stop17h 30m

Incheon Intl

Mon 19/1

1:05 p.m.-8:50 p.m.

1 stop16h 45m

C$ 759

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 23/1

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

1 stop15h 20m

Incheon Intl

Fri 27/2

1:30 p.m.-9:00 p.m.

1 stop16h 30m

C$ 774

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 21/9

10:05 p.m.-1:40 p.m.

1 stop31h 35m

Incheon Intl

Thu 16/10

4:40 p.m.-8:00 p.m.

1 stop35h 20m

C$ 866

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 9/11

10:20 a.m.-7:00 p.m.

1 stop23h 40m

Incheon Intl

Mon 15/12

11:45 p.m.-9:35 p.m.

2 stops30h 50m

C$ 913

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 8/11

10:35 a.m.-7:00 p.m.

2 stops47h 25m

Incheon Intl

Mon 15/12

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

2 stops25h 40m

C$ 919

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 26/9

10:05 p.m.-1:40 p.m.

1 stop31h 35m

Incheon Intl

Sat 25/10

4:45 p.m.-8:10 p.m.

1 stop35h 25m

C$ 946

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 4/10

9:00 p.m.-12:25 p.m.

1 stop31h 25m

Seoul Gimpo Intl

Sat 11/10

1:30 p.m.-6:05 p.m.

1 stop36h 35m

C$ 978

LondonIncheon

LCY - ICN

LCYICN

London City

Wed 3/12

5:05 p.m.-4:55 p.m.

1 stop14h 50m

Incheon Intl

Thu 11/12

11:05 p.m.-8:10 a.m.

1 stop18h 05m

C$ 1,065

LondonIncheon

LCY - ICN

LCYICN

London City

Wed 11/2

5:05 p.m.-4:55 p.m.

1 stop14h 50m

Incheon Intl

Sat 21/2

11:05 p.m.-1:15 p.m.

1 stop23h 10m

C$ 1,083

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 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 and Seoul?

What is the cheapest month to fly to Seoul?

The cheapest month to fly to Seoul from London is in November. Flight prices, which tend to average around C$ 779, 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 March is your next best option. Flight prices from London to Seoul during March average around C$ 863.

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 morning when flights can be purchased for as low as C$ 929. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,992 per ticket.

What is the cheapest London to Seoul flight route?

Fly from London Heathrow to Incheon Intl for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around C$ 1,279 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from London for as low as C$ 1,176 on momondo.

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

There are 2 cabin classes available to choose from on London 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 to Seoul flights?

You could potentially save up to 49% on your flight if you consider stops on a London to Seoul flight.

How have London to Seoul flight prices changed over time?

As of September 2025, prices for London to Seoul flights are approximately 36% cheaper when compared to flights at the same time last year.

When to book flights from London to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from London to Seoul according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London to Seoul (LON to SEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Seoul

Fastest flight time

12h 35m

Direct flights

Every day

Airports in Seoul

1 airport
The fastest flight from London to Seoul takes 12h 35m
Direct flights go from London to Seoul every day.
There is 1 airport near Seoul: Incheon Intl (ICN)
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  • How far is London to Seoul by plane?

    Seoul is 8853.6 km away from London. A reasonable flight in good conditions will take 14h 05m.

  • When did momondo last update prices for flights from London to Seoul?

    Prices for flights from London to Seoul refresh daily.

  • How old do you have to be to fly from London to Seoul?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The travel and health documents required for your trip to Seoul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from London to Seoul?

  • What is the most popular airline from London to Seoul?

Why use momondo?

Why should I use momondo to find a flight deal from London to Seoul?

Finding the right flight to Seoul from London is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seoul quick and easy, saving you time and money.

Can I find flights from London to Seoul with flexible booking policies on momondo?

All flight searches from London to Seoul on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Seoul?

momondo provides multiple filters to help you find the best flight to Seoul from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Seoul right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seoul from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices 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