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Cheap flights from London to Seoul from C$ 532

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 8/12. 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

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Multiple Airlines Logo
9:00 p.m. - 9:00 p.m.LHR-ICN
39h 00m2 stops
Multiple Airlines Logo
2:55 p.m. - 8:15 p.m.ICN-LHR
38h 20m1 stop
C$ 778Multiple Airlines
Find Deal
Mon, 12 Jan - Mon, 19 Jan
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$ 801Lufthansa
Find Deal
Fri, 9 Jan - Wed, 25 Feb
Shenzhen Airlines Logo
9:10 p.m. - 3:45 p.m.LHR-ICN
33h 35m1 stop
Shenzhen Airlines Logo
2:55 p.m. - 7:10 p.m.ICN-LHR
37h 15m1 stop
C$ 859Shenzhen Airlines
Find Deal
Sun, 1 Mar - Thu, 19 Mar
Scandinavian Airlines Logo
7:50 p.m. - 7:00 p.m.LHR-ICN
38h 10m2 stops
Scandinavian Airlines Logo
11:45 p.m. - 4:25 p.m.ICN-LHR
25h 40m2 stops
C$ 876Scandinavian Airlines
Find Deal
Wed, 14 Jan - Wed, 28 Jan
Scandinavian Airlines Logo
7:50 p.m. - 7:00 p.m.LHR-ICN
38h 10m2 stops
Scandinavian Airlines Logo
11:45 p.m. - 4:25 p.m.ICN-LHR
25h 40m2 stops
C$ 894Scandinavian Airlines
Find Deal
Mon, 23 Feb - Mon, 9 Mar
Shenzhen Airlines Logo
9:10 p.m. - 3:45 p.m.LHR-ICN
33h 35m1 stop
Shenzhen Airlines Logo
2:55 p.m. - 7:10 p.m.ICN-LHR
37h 15m1 stop
C$ 939Shenzhen Airlines
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Fri, 9 Jan - Tue, 13 Jan
KLM Logo
5:50 p.m. - 4:55 p.m.LCY-ICN
14h 05m1 stop
KLM Logo
11:05 p.m. - 8:10 a.m.ICN-LCY
18h 05m1 stop
C$ 1,072KLM
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Wed, 3 Dec - Thu, 11 Dec
KLM Logo
5:50 p.m. - 4:55 p.m.LCY-ICN
14h 05m1 stop
KLM Logo
11:05 p.m. - 8:10 a.m.ICN-LCY
18h 05m1 stop
C$ 1,073KLM
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Wed, 3 Dec - Thu, 11 Dec
Japan Airlines Logo
8:35 a.m. - 6:20 p.m.LHR-GMP
24h 45m1 stop
Japan Airlines Logo
12:05 p.m. - 6:25 a.m.GMP-LHR
27h 20m1 stop
C$ 1,497Japan Airlines
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Mon, 12 Jan - Mon, 19 Jan
Japan Airlines Logo
8:35 a.m. - 6:20 p.m.LHR-GMP
24h 45m1 stop
Japan Airlines Logo
12:05 p.m. - 3:15 p.m.GMP-LHR
36h 10m1 stop
C$ 1,526Japan Airlines
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Sun, 7 Dec - Tue, 16 Dec

Lufthansa flights from London to Seoul

Our best Lufthansa deals on London to Seoul flight tickets
Lufthansa
9 Jan
LHR11:10 a.m.London Heathrow
15h 05m
1 stop
ICN11:15 a.m.Incheon Intl
25 Feb
ICN1:30 p.m.Incheon Intl
16h 30m
1 stop
LHR9:00 p.m.London Heathrow
C$ 801
Find similar
Lufthansa
1 Feb
LHR7:40 a.m.London Heathrow
18h 35m
1 stop
ICN11:15 a.m.Incheon Intl
23 Feb
ICN1:30 p.m.Incheon Intl
18h 25m
1 stop
LHR10:55 p.m.London Heathrow
C$ 802
Find similar
Lufthansa
3 Mar
LHR11:30 a.m.London Heathrow
14h 20m
1 stop
ICN10:50 a.m.Incheon Intl
18 Mar
ICN1:30 p.m.Incheon Intl
16h 30m
1 stop
LHR9:00 p.m.London Heathrow
C$ 816
Find similar

Scandinavian Airlines flights from London to Seoul

Our best Scandinavian Airlines deals on London to Seoul flight tickets
Scandinavian Airlines
14 Jan
LHR7:50 p.m.London Heathrow
38h 10m
2 stops
ICN7:00 p.m.Incheon Intl
28 Jan
ICN11:45 p.m.Incheon Intl
25h 40m
2 stops
LHR4:25 p.m.London Heathrow
C$ 876
Find similar
Scandinavian Airlines
23 Feb
LHR7:50 p.m.London Heathrow
38h 10m
2 stops
ICN7:00 p.m.Incheon Intl
9 Mar
ICN11:45 p.m.Incheon Intl
25h 40m
2 stops
LHR4:25 p.m.London Heathrow
C$ 894
Find similar
Scandinavian Airlines
5 Jan
LHR9:05 p.m.London Heathrow
36h 55m
2 stops
ICN7:00 p.m.Incheon Intl
16 Jan
ICN11:45 p.m.Incheon Intl
47h 50m
2 stops
LHR2:35 p.m.London Heathrow
C$ 898
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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 29 October 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

Mon 12/1

9:00 p.m.-9:00 p.m.

2 stops39h 00m

Incheon Intl

Mon 19/1

2:55 p.m.-8:15 p.m.

1 stop38h 20m

C$ 778

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 9/1

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

1 stop15h 05m

Incheon Intl

Wed 25/2

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

1 stop16h 30m

C$ 801

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 1/3

9:10 p.m.-3:45 p.m.

1 stop33h 35m

Incheon Intl

Thu 19/3

2:55 p.m.-7:10 p.m.

1 stop37h 15m

C$ 859

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 14/1

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

2 stops38h 10m

Incheon Intl

Wed 28/1

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

2 stops25h 40m

C$ 876

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 23/2

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

2 stops38h 10m

Incheon Intl

Mon 9/3

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

2 stops25h 40m

C$ 894

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 9/1

9:10 p.m.-3:45 p.m.

1 stop33h 35m

Incheon Intl

Tue 13/1

2:55 p.m.-7:10 p.m.

1 stop37h 15m

C$ 939

LondonIncheon

LCY - ICN

LCYICN

London City

Wed 3/12

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

1 stop14h 05m

Incheon Intl

Thu 11/12

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

1 stop18h 05m

C$ 1,072

LondonIncheon

LCY - ICN

LCYICN

London City

Wed 3/12

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

1 stop14h 05m

Incheon Intl

Thu 11/12

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

1 stop18h 05m

C$ 1,073

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 12/1

8:35 a.m.-6:20 p.m.

1 stop24h 45m

Seoul Gimpo Intl

Mon 19/1

12:05 p.m.-6:25 a.m.

1 stop27h 20m

C$ 1,496

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 7/12

8:35 a.m.-6:20 p.m.

1 stop24h 45m

Seoul Gimpo Intl

Tue 16/12

12:05 p.m.-3:15 p.m.

1 stop36h 10m

C$ 1,526

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$ 782, 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 May is your next best option. Flight prices from London to Seoul during May average around C$ 883.

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$ 937. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 2,009 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$ 1,303 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$ 1,147 on momondo.

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

There is only 1 cabin class 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 October 2025, prices for London to Seoul flights are approximately 34% 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

11h 55m

Direct flights

Every day

Airports in Seoul

1 airport
The fastest flight from London to Seoul takes 11h 55m
Direct flights go from London to Seoul every day.
There is 1 airport near Seoul: Incheon Intl (ICN)
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?

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