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Cheap flights from London to Seoul from C$ 534

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 1/9. 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

China Southern Logo
9:30 p.m. - 10:25 p.m.LHR-ICN
15h 55m1 stop
China Southern Logo
2:50 p.m. - 6:15 p.m.ICN-LHR
36h 25m1 stop
C$ 738China Southern
Find Deal
Fri, 14 Nov - Sat, 22 Nov
China Southern Logo
9:30 p.m. - 12:25 p.m.LHR-GMP
29h 55m1 stop
China Southern Logo
1:45 p.m. - 5:55 p.m.GMP-LHR
37h 10m1 stop
C$ 739China Southern
Find Deal
Fri, 14 Nov - Sat, 22 Nov
Lufthansa Logo
7:40 a.m. - 11:15 a.m.LHR-ICN
18h 35m1 stop
Lufthansa Logo
1:30 p.m. - 10:55 p.m.ICN-LHR
18h 25m1 stop
C$ 757Lufthansa
Find Deal
Sun, 16 Nov - Mon, 24 Nov
Lufthansa Logo
11:10 a.m. - 11:15 a.m.LHR-ICN
15h 05m1 stop
Lufthansa Logo
1:30 p.m. - 9:00 p.m.ICN-LHR
16h 30m1 stop
C$ 761Lufthansa
Find Deal
Fri, 9 Jan - Sun, 18 Jan
Air China Logo
10:40 p.m. - 9:45 p.m.LHR-ICN
15h 05m1 stop
Air China Logo
1:10 p.m. - 3:55 p.m.ICN-LHR
35h 45m1 stop
C$ 843Air China
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Fri, 24 Oct - Mon, 10 Nov
Shenzhen Airlines Logo
10:05 p.m. - 3:40 p.m.LHR-ICN
33h 35m1 stop
Shenzhen Airlines Logo
4:40 p.m. - 8:00 p.m.ICN-LHR
35h 20m1 stop
C$ 848Shenzhen Airlines
Find Deal
Mon, 13 Oct - Thu, 23 Oct
Shenzhen Airlines Logo
10:05 p.m. - 1:40 p.m.LHR-ICN
31h 35m1 stop
Shenzhen Airlines Logo
2:40 p.m. - 8:00 p.m.ICN-LHR
37h 20m1 stop
C$ 850Shenzhen Airlines
Find Deal
Sun, 5 Oct - Thu, 23 Oct
Air China Logo
8:25 p.m. - 1:05 p.m.LHR-GMP
32h 40m1 stop
Air China Logo
2:25 p.m. - 5:50 p.m.GMP-LHR
36h 25m1 stop
C$ 1,010Air China
Find Deal
Fri, 24 Oct - Mon, 10 Nov
KLM Logo
5:50 p.m. - 4:55 p.m.LCY-ICN
14h 05m1 stop
KLM Logo
11:05 p.m. - 7:15 a.m.ICN-LCY
17h 10m1 stop
C$ 1,113KLM
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Mon, 19 Jan - Tue, 27 Jan
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$ 1,131KLM
Find Deal
Mon, 12 Jan - Fri, 20 Feb

China Southern flights from London to Seoul

Our best China Southern deals on London to Seoul flight tickets
China Southern
14 Nov
LHR9:30 p.m.London Heathrow
15h 55m
1 stop
ICN10:25 p.m.Incheon Intl
22 Nov
ICN2:50 p.m.Incheon Intl
36h 25m
1 stop
LHR6:15 p.m.London Heathrow
C$ 738
Find similar
China Southern
14 Nov
LHR9:30 p.m.London Heathrow
29h 55m
1 stop
GMP12:25 p.m.Seoul Gimpo Intl
22 Nov
GMP1:45 p.m.Seoul Gimpo Intl
37h 10m
1 stop
LHR5:55 p.m.London Heathrow
C$ 739
Find similar
China Southern
14 Nov
LHR9:30 p.m.London Heathrow
29h 55m
1 stop
GMP12:25 p.m.Seoul Gimpo Intl
22 Nov
GMP1:45 p.m.Seoul Gimpo Intl
33h 15m
2 stops
LHR2:00 p.m.London Heathrow
C$ 1,232
Find similar

Shenzhen Airlines flights from London to Seoul

Our best Shenzhen Airlines deals on London to Seoul flight tickets
Shenzhen Airlines
13 Oct
LHR10:05 p.m.London Heathrow
33h 35m
1 stop
ICN3:40 p.m.Incheon Intl
23 Oct
ICN4:40 p.m.Incheon Intl
35h 20m
1 stop
LHR8:00 p.m.London Heathrow
C$ 848
Find similar
Shenzhen Airlines
5 Oct
LHR10:05 p.m.London Heathrow
31h 35m
1 stop
ICN1:40 p.m.Incheon Intl
23 Oct
ICN2:40 p.m.Incheon Intl
37h 20m
1 stop
LHR8:00 p.m.London Heathrow
C$ 850
Find similar
Shenzhen Airlines
28 Sep
LHR10:05 p.m.London Heathrow
33h 40m
1 stop
ICN3:45 p.m.Incheon Intl
24 Oct
ICN2:40 p.m.Incheon Intl
37h 10m
1 stop
LHR7:50 p.m.London Heathrow
C$ 854
Find similar

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 31 July 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

Fri 14/11

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

1 stop15h 55m

Incheon Intl

Sat 22/11

2:50 p.m.-6:15 p.m.

1 stop36h 25m

C$ 738

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Fri 14/11

9:30 p.m.-12:25 p.m.

1 stop29h 55m

Seoul Gimpo Intl

Sat 22/11

1:45 p.m.-5:55 p.m.

1 stop37h 10m

C$ 739

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 16/11

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

1 stop18h 35m

Incheon Intl

Mon 24/11

1:30 p.m.-10:55 p.m.

1 stop18h 25m

C$ 757

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 9/1

11:10 a.m.-11:15 a.m.

1 stop15h 05m

Incheon Intl

Sun 18/1

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

1 stop16h 30m

C$ 761

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 24/10

10:40 p.m.-9:45 p.m.

1 stop15h 05m

Incheon Intl

Mon 10/11

1:10 p.m.-3:55 p.m.

1 stop35h 45m

C$ 843

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 13/10

10:05 p.m.-3:40 p.m.

1 stop33h 35m

Incheon Intl

Thu 23/10

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

1 stop35h 20m

C$ 848

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 5/10

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

1 stop31h 35m

Incheon Intl

Thu 23/10

2:40 p.m.-8:00 p.m.

1 stop37h 20m

C$ 850

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Fri 24/10

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

1 stop32h 40m

Seoul Gimpo Intl

Mon 10/11

2:25 p.m.-5:50 p.m.

1 stop36h 25m

C$ 1,010

LondonIncheon

LCY - ICN

LCYICN

London City

Mon 19/1

5:50 p.m.-4:55 p.m.

1 stop14h 05m

Incheon Intl

Tue 27/1

11:05 p.m.-7:15 a.m.

1 stop17h 10m

C$ 1,113

LondonIncheon

LCY - ICN

LCYICN

London City

Mon 12/1

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

1 stop14h 50m

Incheon Intl

Fri 20/2

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

1 stop18h 05m

C$ 1,131

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 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$ 852.

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$ 925. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,983 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$ 1,278 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$ 1,155 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.

How have London to Seoul flight prices changed over time?

As of July 2025, prices for London to Seoul flights are approximately 24% 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

Best price found

C$ 534

Fastest flight time

12h 25m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from London in the past 72 hours is C$ 534. The best round-trip flight deal from London to Seoul found on momondo in the last 72 hours is C$ 738.
The fastest flight from London to Seoul takes 12h 25m
Direct flights go from London to Seoul every day.
There are 2 airports near Seoul: Incheon Intl (ICN), Seoul Gimpo Intl (GMP)
Search flight deals

  • 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