Cheap flights from London to Seoul from C$ 631

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 7/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Find the cheapest flights from London to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Shenzhen Airlines Logo
10:05 p.m. - 4:45 p.m.
LHR
-
ICN
34h 40m
1 stop
Shenzhen Airlines Logo
3:15 p.m. - 8:00 p.m.
ICN
-
LHR
36h 45m
1 stop
C$ 954Shenzhen Airlines
Sat, 3 Oct - Tue, 13 Oct
Shenzhen Airlines Logo
10:05 p.m. - 4:45 p.m.
LHR
-
ICN
34h 40m
1 stop
Shenzhen Airlines Logo
2:55 p.m. - 7:10 p.m.
ICN
-
LHR
37h 15m
1 stop
C$ 1,033Shenzhen Airlines
Sun, 20 Sep - Sun, 25 Oct
Lufthansa Logo
7:25 a.m. - 9:55 a.m.
LHR
-
ICN
18h 30m
1 stop
Lufthansa Logo
11:40 a.m. - 8:45 p.m.
ICN
-
LHR
17h 05m
1 stop
C$ 1,109Lufthansa
Thu, 28 May - Thu, 4 Jun
Lufthansa Logo
6:55 a.m. - 9:55 a.m.
LHR
-
ICN
19h 00m
1 stop
Lufthansa Logo
12:20 p.m. - 10:10 p.m.
ICN
-
LHR
17h 50m
1 stop
C$ 1,114Lufthansa
Wed, 10 Jun - Thu, 18 Jun
Etihad Airways Logo
2:45 p.m. - 10:50 a.m.
LHR
-
ICN
36h 05m
1 stop
Etihad Airways Logo
1:35 a.m. - 3:05 p.m.
ICN
-
LHR
21h 30m
1 stop
C$ 1,136Etihad Airways
Mon, 11 May - Fri, 10 Jul
Multiple Airlines Logo
8:45 a.m. - 7:30 a.m.
LHR
-
ICN
14h 45m
1 stop
Multiple Airlines Logo
12:20 p.m. - 8:40 p.m.
ICN
-
LHR
16h 20m
1 stop
C$ 1,137Multiple Airlines
Tue, 9 Jun - Wed, 17 Jun
Etihad Airways Logo
2:45 p.m. - 10:50 a.m.
LHR
-
ICN
36h 05m
1 stop
Etihad Airways Logo
5:45 p.m. - 7:00 a.m.
ICN
-
LHR
21h 15m
1 stop
C$ 1,139Etihad Airways
Sat, 30 May - Sun, 26 Jul
SWISS Logo
9:15 a.m. - 7:30 a.m.
LCY
-
ICN
14h 15m
1 stop
SWISS Logo
9:30 a.m. - 5:25 p.m.
ICN
-
LCY
15h 55m
1 stop
C$ 1,250SWISS
Tue, 9 Jun - Wed, 17 Jun
SWISS Logo
9:15 a.m. - 7:30 a.m.
LCY
-
ICN
14h 15m
1 stop
SWISS Logo
9:30 a.m. - 5:25 p.m.
ICN
-
LCY
15h 55m
1 stop
C$ 1,456SWISS
Fri, 12 Jun - Wed, 17 Jun
Multiple Airlines Logo
6:35 a.m. - 12:55 p.m.
LHR
-
GMP
22h 20m
2 stops
Multiple Airlines Logo
1:55 p.m. - 4:30 p.m.
GMP
-
LHR
34h 35m
1 stop
C$ 2,071Multiple Airlines
Wed, 19 Aug - Mon, 7 Sep

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Etihad Airways flights from London to Seoul

Our best Etihad Airways deals on London to Seoul flight tickets
Etihad Airways
11 May
LHR2:45 p.m.London Heathrow
36h 05m
1 stop
ICN10:50 a.m.Incheon Intl
6 Jul
ICN1:35 a.m.Incheon Intl
25h 10m
1 stop
LHR6:45 p.m.London Heathrow
C$ 1,136
Etihad Airways
30 May
LHR2:45 p.m.London Heathrow
36h 05m
1 stop
ICN10:50 a.m.Incheon Intl
26 Jul
ICN5:45 p.m.Incheon Intl
21h 15m
1 stop
LHR7:00 a.m.London Heathrow
C$ 1,139
Etihad Airways
27 Apr
LHR9:15 a.m.London Heathrow
17h 35m
1 stop
ICN10:50 a.m.Incheon Intl
3 May
ICN5:50 p.m.Incheon Intl
26h 55m
1 stop
LHR12:45 p.m.London Heathrow
C$ 1,146

Scandinavian Airlines flights from London to Seoul

Our best Scandinavian Airlines deals on London to Seoul flight tickets
Scandinavian Airlines
11 May
LHR7:50 p.m.London Heathrow
38h 45m
2 stops
ICN6:35 p.m.Incheon Intl
7 Oct
ICN11:35 p.m.Incheon Intl
17h 45m
1 stop
LHR9:20 a.m.London Heathrow
C$ 1,177
Scandinavian Airlines
11 May
LHR7:50 p.m.London Heathrow
38h 45m
2 stops
ICN6:35 p.m.Incheon Intl
7 Oct
ICN11:35 p.m.Incheon Intl
24h 50m
2 stops
LHR4:25 p.m.London Heathrow
C$ 1,181
Scandinavian Airlines
11 May
LHR7:50 p.m.London Heathrow
38h 45m
2 stops
ICN6:35 p.m.Incheon Intl
7 Oct
ICN11:35 p.m.Incheon Intl
24h 50m
2 stops
LHR4:25 p.m.London Heathrow
C$ 1,182

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 25 April 2026.
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

Cheapest round-trip

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 3/10

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

1 stop34h 40m

Incheon Intl

Tue 13/10

3:15 p.m.-8:00 p.m.

1 stop36h 45m

C$ 954

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 20/9

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

1 stop34h 40m

Incheon Intl

Sun 25/10

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

1 stop37h 15m

C$ 1,033

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 28/5

7:25 a.m.-9:55 a.m.

1 stop18h 30m

Incheon Intl

Thu 4/6

11:40 a.m.-8:45 p.m.

1 stop17h 05m

C$ 1,109

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 10/6

6:55 a.m.-9:55 a.m.

1 stop19h 00m

Incheon Intl

Thu 18/6

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

1 stop17h 50m

C$ 1,114

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 11/5

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

1 stop36h 05m

Incheon Intl

Fri 10/7

1:35 a.m.-3:05 p.m.

1 stop21h 30m

C$ 1,136

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 9/6

8:45 a.m.-7:30 a.m.

1 stop14h 45m

Incheon Intl

Wed 17/6

12:20 p.m.-8:40 p.m.

1 stop16h 20m

C$ 1,137

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 30/5

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

1 stop36h 05m

Incheon Intl

Sun 26/7

5:45 p.m.-7:00 a.m.

1 stop21h 15m

C$ 1,139
Quickest round-trip

LondonIncheon

LCY - ICN

LCYICN

London City

Tue 9/6

9:15 a.m.-7:30 a.m.

1 stop14h 15m

Incheon Intl

Wed 17/6

9:30 a.m.-5:25 p.m.

1 stop15h 55m

C$ 1,250

LondonIncheon

LCY - ICN

LCYICN

London City

Fri 12/6

9:15 a.m.-7:30 a.m.

1 stop14h 15m

Incheon Intl

Wed 17/6

9:30 a.m.-5:25 p.m.

1 stop15h 55m

C$ 1,456

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 19/8

6:35 a.m.-12:55 p.m.

2 stops22h 20m

Seoul Gimpo Intl

Mon 7/9

1:55 p.m.-4:30 p.m.

1 stop34h 35m

C$ 2,071

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 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$ 788, 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 to Seoul during January average around C$ 827.

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$ 1,384. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,681 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 from London 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$ 1,265 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$ 1,062 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 63% 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 April 2026, prices for London to Seoul flights are approximately 4% 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 45m

Direct flights

Every day

Airports in Seoul

2 airports
The fastest flight from London to Seoul takes 12h 45m
Direct flights go from London to Seoul every day.
There are 2 airports in Seoul. From London there are direct flights to Incheon Intl (ICN).

Frequently asked questions about flying from London to Seoul

  • How far is London to Seoul by plane?

    Seoul is 8853.6 km away from London. A reasonable flight in good conditions will take 12h 45m.

  • 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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1 adult
Mon 25/5
Mon 1/6

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