Cheap flights from London to Seoul from £265

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 15/3. 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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Multiple Airlines Logo
20:20 - 21:45
LGW
-
ICN
16h 25m
1 stop
Multiple Airlines Logo
16:15 - 15:10
ICN
-
LGW
30h 55m
1 stop
£370Multiple Airlines
Sat, 14 Mar - Sun, 29 Mar
Multiple Airlines Logo
20:20 - 21:45
LGW
-
ICN
16h 25m
1 stop
Multiple Airlines Logo
12:55 - 14:00
ICN
-
LGW
34h 05m
1 stop
£373Multiple Airlines
Tue, 10 Mar - Tue, 17 Mar
Multiple Airlines Logo
20:20 - 21:45
LGW
-
ICN
16h 25m
1 stop
Multiple Airlines Logo
16:20 - 15:10
ICN
-
LGW
30h 50m
1 stop
£375Multiple Airlines
Sat, 14 Mar - Sun, 29 Mar
China Southern Logo
20:20 - 21:45
LGW
-
ICN
16h 25m
1 stop
China Southern Logo
16:45 - 07:05
ICN
-
LGW
22h 20m
1 stop
£378China Southern
Sat, 14 Mar - Sun, 29 Mar
China Southern Logo
20:20 - 21:45
LGW
-
ICN
16h 25m
1 stop
China Southern Logo
16:45 - 07:05
ICN
-
LGW
22h 20m
1 stop
£379China Southern
Sat, 14 Mar - Sun, 29 Mar
Air China Logo
22:40 - 16:35
LHR
-
ICN
33h 55m
1 stop
Air China Logo
13:05 - 17:40
ICN
-
LHR
36h 35m
1 stop
£403Air China
Fri, 24 Apr - Sun, 10 May
Air China Logo
17:40 - 21:55
LHR
-
ICN
19h 15m
1 stop
Air China Logo
11:10 - 17:55
ICN
-
LHR
15h 45m
1 stop
£405Air China
Tue, 10 Mar - Wed, 18 Mar
KLM Logo
17:50 - 16:55
LCY
-
ICN
14h 05m
1 stop
KLM Logo
23:05 - 13:15
ICN
-
LCY
23h 10m
1 stop
£538KLM
Wed, 11 Mar - Sat, 21 Mar
KLM Logo
20:05 - 10:30
LCY
-
ICN
29h 25m
2 stops
KLM Logo
23:05 - 08:10
ICN
-
LCY
18h 05m
1 stop
£551KLM
Fri, 6 Mar - Fri, 13 Mar
China Eastern Logo
11:30 - 11:00
LCY
-
GMP
38h 30m
2 stops
China Eastern Logo
20:50 - 10:55
GMP
-
LCY
47h 05m
2 stops
£1,338China Eastern
Sat, 7 Mar - Mon, 9 Mar

Air China flights from London to Seoul

Our best Air China deals on London to Seoul flight tickets
Air China
8 May
LGW12:35London Gatwick
15h 00m
1 stop
ICN11:35Incheon Intl
20 May
ICN13:05Incheon Intl
25h 30m
1 stop
LGW06:35London Gatwick
£384
Air China
18 Apr
LGW12:35London Gatwick
15h 00m
1 stop
ICN11:35Incheon Intl
29 Apr
ICN10:50Incheon Intl
27h 45m
1 stop
LGW06:35London Gatwick
£385
Air China
8 May
LGW12:35London Gatwick
25h 25m
1 stop
ICN22:00Incheon Intl
17 May
ICN10:50Incheon Intl
27h 55m
1 stop
LGW06:45London Gatwick
£388

KLM flights from London to Seoul

Our best KLM deals on London to Seoul flight tickets
KLM
11 Mar
LCY17:50London City
14h 05m
1 stop
ICN16:55Incheon Intl
21 Mar
ICN23:05Incheon Intl
23h 10m
1 stop
LCY13:15London City
£538
KLM
6 Mar
LCY20:05London City
29h 25m
2 stops
ICN10:30Incheon Intl
13 Mar
ICN23:05Incheon Intl
18h 05m
1 stop
LCY08:10London City
£551
KLM
9 Mar
LCY17:05London City
14h 50m
1 stop
ICN16:55Incheon Intl
26 Mar
ICN23:05Incheon Intl
17h 10m
1 stop
LCY07:15London City
£564

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 7 February 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

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Sat 14/3

20:20-21:45

1 stop16h 25m

Incheon Intl

Sun 29/3

16:15-15:10

1 stop30h 55m

£370

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Tue 10/3

20:20-21:45

1 stop16h 25m

Incheon Intl

Tue 17/3

12:55-14:00

1 stop34h 05m

£373

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Sat 14/3

20:20-21:45

1 stop16h 25m

Incheon Intl

Sun 29/3

16:20-15:10

1 stop30h 50m

£375

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Sat 14/3

20:20-21:45

1 stop16h 25m

Incheon Intl

Sun 29/3

16:45-07:05

1 stop22h 20m

£378

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Sat 14/3

20:20-21:45

1 stop16h 25m

Incheon Intl

Sun 29/3

16:45-07:05

1 stop22h 20m

£379

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 24/4

22:40-16:35

1 stop33h 55m

Incheon Intl

Sun 10/5

13:05-17:40

1 stop36h 35m

£403

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 10/3

17:40-21:55

1 stop19h 15m

Incheon Intl

Wed 18/3

11:10-17:55

1 stop15h 45m

£405

LondonIncheon

LCY - ICN

LCYICN

London City

Wed 11/3

17:50-16:55

1 stop14h 05m

Incheon Intl

Sat 21/3

23:05-13:15

1 stop23h 10m

£538

LondonIncheon

LCY - ICN

LCYICN

London City

Fri 6/3

20:05-10:30

2 stops29h 25m

Incheon Intl

Fri 13/3

23:05-08:10

1 stop18h 05m

£551

LondonSeoul

LCY - GMP

LCYGMP

London City

Sat 7/3

11:30-11:00

2 stops38h 30m

Seoul Gimpo Intl

Mon 9/3

20:50-10:55

2 stops47h 05m

£1,338

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 month of November is, on average, the cheapest month to fly to Seoul from London, with most prices found around £428. If you are unable to visit Seoul during the month of November, then departing from London during the month January is also very affordable. Most momondo users find prices during this month for around £459.

What is the cheapest day to depart on your flight to Seoul?

The cheapest day to depart from London to Seoul is on a Tuesday when prices can be found for as low as £873. Flights from London to Seoul on a Saturday will generally be more expensive and average around £1,007. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Seoul?

Our most recent data shows that the best time of day to fly to Seoul is at midday. Flights from London to Seoul during this time can be as low as £635. Flights in the afternoon are often more expensive, with an average ticket price of £982.

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 £687 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from London for as low as £590 on momondo.

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

There are 4 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 19% 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 February 2026, prices for London to Seoul flights are approximately 19% 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 return 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

£428

Fastest flight time

12h 35m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from London in the past 72 hours is £428. The best return flight deal from London to Seoul found on momondo in the last 72 hours is £622.
The fastest flight from London to Seoul takes 12h 35m
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).
  • How far is London to Seoul by plane?

    The straight-line distance from London to Seoul is 5501.4 mi. Flights usually cover this in 12h 35m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London to Seoul are updated daily.

  • How many operators does momondo search for flights from London to Seoul?

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 you'll need for your trip to Seoul may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seoul. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from London to Seoul

Compare and see reviews for airlines that fly from London to Seoul with momondo
Airline
Rating
Free Cancellation
Price
China EasternPriceFrom £299Free CancellationRating
7.2
192 reviews
Search China Eastern flights
Turkish AirlinesPriceFrom £324Free CancellationRating
7.3
4,209 reviews
Search Turkish Airlines flights
China SouthernPriceFrom £334Free CancellationRating
7.3
137 reviews
Search China Southern flights
Air ChinaPriceFrom £340Free CancellationRating
7.2
138 reviews
Search Air China flights
LufthansaPriceFrom £418Free CancellationRating
6.8
7,769 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom £451Free CancellationRating
7.3
1,678 reviews
Search Scandinavian Airlines flights
Air FrancePriceFrom £484Free CancellationRating
7.4
1,531 reviews
Search Air France flights
Etihad AirwaysPriceFrom £516Free CancellationRating
7.3
1,387 reviews
Search Etihad Airways flights
KLMPriceFrom £522Free CancellationRating
7.7
1,450 reviews
Search KLM flights
LOTPriceFrom £561Free CancellationRating
7.5
1,179 reviews
Search LOT flights
  • Korean Air Flights From London to Seoul

    Korean Air flight deals from London to Seoul start from £650 round-trip. Over the 7 Korean Air flights for this route in a normal week, average airfare is usually £831 round-trip - but some users have found much cheaper deals with momondo.

  • Asiana Airlines Flights From London to Seoul

    The best Asiana Airlines deal for London to Seoul flight tickets found on momondo in the last 72 hours was £668, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at £831 round-trip. Asiana Airlines operates 7 flights out of London into Seoul in an average week, so prices vary by time and availability. 503 Asiana Airlines reviews by users on momondo have scored the airline at 8.1/10.

Why use momondo?

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

It is quick and easy to find London to Seoul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.

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

Yes. momondo enables you to select and highlight flights to Seoul from London with this policy.

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 not ready to book a flight from London to Seoul now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seoul and let you know when they change.

An easier way to manage your Seoul trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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1 adult
Mon 9/3
Mon 16/3

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 30.3 mi from Seoul