Cheap flights from London to Seoul from £232

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 17/3. 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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China Eastern Logo
17:00 - 20:45
LGW
-
ICN
18h 45m
1 stop
China Eastern Logo
18:25 - 06:30
ICN
-
LGW
21h 05m
1 stop
£348China Eastern
Tue, 17 Mar - Wed, 25 Mar
China Eastern Logo
10:30 - 14:55
LGW
-
ICN
19h 25m
2 stops
China Eastern Logo
16:20 - 06:30
ICN
-
LGW
23h 10m
1 stop
£350China Eastern
Sat, 14 Mar - Sun, 22 Mar
Air China Logo
20:25 - 21:55
LHR
-
ICN
16h 30m
1 stop
Air China Logo
13:05 - 20:25
ICN
-
LHR
15h 20m
1 stop
£355Air China
Thu, 12 Mar - Sun, 29 Mar
Air China Logo
20:25 - 13:05
LHR
-
GMP
31h 40m
1 stop
Air China Logo
14:25 - 15:55
GMP
-
LHR
34h 30m
1 stop
£375Air China
Thu, 12 Mar - Thu, 19 Mar
Multiple Airlines Logo
07:30 - 21:45
STN
-
ICN
29h 15m
2 stops
Multiple Airlines Logo
16:40 - 16:35
ICN
-
STN
32h 55m
3 stops
£388Multiple Airlines
Fri, 13 Mar - Fri, 20 Mar
Multiple Airlines Logo
07:30 - 19:50
STN
-
ICN
27h 20m
3 stops
Multiple Airlines Logo
16:40 - 16:35
ICN
-
STN
32h 55m
3 stops
£393Multiple Airlines
Fri, 13 Mar - Fri, 20 Mar
KLM Logo
17:05 - 16:55
LCY
-
ICN
14h 50m
1 stop
KLM Logo
23:05 - 07:15
ICN
-
LCY
17h 10m
1 stop
£520KLM
Thu, 5 Mar - Thu, 12 Mar
KLM Logo
17:05 - 16:55
LCY
-
ICN
14h 50m
1 stop
KLM Logo
23:05 - 08:50
ICN
-
LCY
18h 45m
1 stop
£551KLM
Thu, 5 Mar - Tue, 10 Mar
ANA Logo
09:15 - 22:20
LCY
-
GMP
29h 05m
2 stops
ANA Logo
07:40 - 08:40
GMP
-
LCY
33h 00m
2 stops
£2,120ANA
Thu, 21 May - Thu, 4 Jun
ANA Logo
09:15 - 18:35
LCY
-
GMP
25h 20m
2 stops
ANA Logo
07:40 - 08:40
GMP
-
LCY
33h 00m
2 stops
£2,123ANA
Wed, 6 May - Sun, 10 May

China Eastern flights from London to Seoul

Our best China Eastern deals on London to Seoul flight tickets
China Eastern
17 Mar
LGW17:00London Gatwick
18h 45m
1 stop
ICN20:45Incheon Intl
25 Mar
ICN18:25Incheon Intl
21h 05m
1 stop
LGW06:30London Gatwick
£348
China Eastern
14 Mar
LGW10:30London Gatwick
19h 25m
2 stops
ICN14:55Incheon Intl
22 Mar
ICN16:20Incheon Intl
23h 10m
1 stop
LGW06:30London Gatwick
£350
China Eastern
18 Mar
LGW10:30London Gatwick
16h 25m
1 stop
ICN11:55Incheon Intl
25 Mar
ICN14:30Incheon Intl
32h 30m
1 stop
LGW14:00London Gatwick
£353

KLM flights from London to Seoul

Our best KLM deals on London to Seoul flight tickets
KLM
5 Mar
LCY17:05London City
14h 50m
1 stop
ICN16:55Incheon Intl
12 Mar
ICN23:05Incheon Intl
17h 10m
1 stop
LCY07:15London City
£520
KLM
6 Feb
LHR11:45London Heathrow
20h 10m
1 stop
ICN16:55Incheon Intl
19 Feb
ICN23:05Incheon Intl
18h 55m
1 stop
LHR09:00London Heathrow
£549
KLM
5 Mar
LCY17:05London City
14h 50m
1 stop
ICN16:55Incheon Intl
10 Mar
ICN23:05Incheon Intl
18h 45m
1 stop
LCY08:50London City
£551

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 28 January 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

Tue 17/3

17:00-20:45

1 stop18h 45m

Incheon Intl

Wed 25/3

18:25-06:30

1 stop21h 05m

£348

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Sat 14/3

10:30-14:55

2 stops19h 25m

Incheon Intl

Sun 22/3

16:20-06:30

1 stop23h 10m

£350

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 12/3

20:25-21:55

1 stop16h 30m

Incheon Intl

Sun 29/3

13:05-20:25

1 stop15h 20m

£355

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 12/3

20:25-13:05

1 stop31h 40m

Seoul Gimpo Intl

Thu 19/3

14:25-15:55

1 stop34h 30m

£375

LondonIncheon

STN - ICN

STNICN

London Stansted

Fri 13/3

07:30-21:45

2 stops29h 15m

Incheon Intl

Fri 20/3

16:40-16:35

3 stops32h 55m

£388

LondonIncheon

STN - ICN

STNICN

London Stansted

Fri 13/3

07:30-19:50

3 stops27h 20m

Incheon Intl

Fri 20/3

16:40-16:35

3 stops32h 55m

£393

LondonIncheon

LCY - ICN

LCYICN

London City

Thu 5/3

17:05-16:55

1 stop14h 50m

Incheon Intl

Thu 12/3

23:05-07:15

1 stop17h 10m

£520

LondonIncheon

LCY - ICN

LCYICN

London City

Thu 5/3

17:05-16:55

1 stop14h 50m

Incheon Intl

Tue 10/3

23:05-08:50

1 stop18h 45m

£551

LondonSeoul

LCY - GMP

LCYGMP

London City

Thu 21/5

09:15-22:20

2 stops29h 05m

Seoul Gimpo Intl

Thu 4/6

07:40-08:40

2 stops33h 00m

£2,120

LondonSeoul

LCY - GMP

LCYGMP

London City

Wed 6/5

09:15-18:35

2 stops25h 20m

Seoul Gimpo Intl

Sun 10/5

07:40-08:40

2 stops33h 00m

£2,123

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 month of November is, on average, the cheapest month to fly to Seoul from London, with most prices found around £424. 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 £449.

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 £862. Flights from London to Seoul on a Saturday will generally be more expensive and average around £988. 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 £627. Flights in the afternoon are often more expensive, with an average ticket price of £991.

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 £680 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 £584 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 January 2026, prices for London to Seoul flights are approximately 8% 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

£425

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 £425. The best return flight deal from London to Seoul found on momondo in the last 72 hours is £600.
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 £296Free CancellationRating
7.2
191 reviews
Search China Eastern flights
Turkish AirlinesPriceFrom £320Free CancellationRating
7.3
4,209 reviews
Search Turkish Airlines flights
China SouthernPriceFrom £330Free CancellationRating
7.3
136 reviews
Search China Southern flights
Air ChinaPriceFrom £336Free CancellationRating
7.2
138 reviews
Search Air China flights
LufthansaPriceFrom £413Free CancellationRating
6.8
7,749 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom £446Free CancellationRating
7.3
1,670 reviews
Search Scandinavian Airlines flights
Air FrancePriceFrom £479Free CancellationRating
7.4
1,528 reviews
Search Air France flights
Etihad AirwaysPriceFrom £512Free CancellationRating
7.3
1,376 reviews
Search Etihad Airways flights
KLMPriceFrom £519Free CancellationRating
7.7
1,443 reviews
Search KLM flights
LOTPriceFrom £554Free CancellationRating
7.5
1,176 reviews
Search LOT flights
  • Korean Air Flights From London to Seoul

    Korean Air flight deals from London to Seoul start from £646 round-trip. Over the 7 Korean Air flights for this route in a normal week, average airfare is usually £832 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 £670, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at £821 round-trip. Asiana Airlines operates 7 flights out of London into Seoul in an average week, so prices vary by time and availability. 501 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
Fri 27/2
Fri 6/3

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