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Cheap flights from London to Seoul from $339

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 3/12. 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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Find the cheapest flights from London to Seoul

Cheap round-trip flights

These are some of the best round-trip flight deals from London to Seoul that have been recently found on momondo from popular airlines, departing in the coming months.
9:30 pm - 10:15 pmLHR-ICN
15h 45m1 stop
9:25 am - 5:55 pmICN-LHR
17h 30m1 stop
$464China Southern
Find Deal
Wed, Mar 5 - Wed, Mar 12
9:00 pm - 12:25 pmLHR-GMP
31h 25m1 stop
1:25 pm - 6:05 pmGMP-LHR
36h 40m1 stop
$467China Southern
Find Deal
Thu, May 8 - Sun, May 18
10:30 am - 12:15 pmLGW-ICN
16h 45m1 stop
4:20 pm - 6:30 amICN-LGW
23h 10m1 stop
$511China Eastern
Find Deal
Wed, Mar 5 - Fri, Mar 21
10:30 am - 9:10 pmLGW-ICN
25h 40m2 stops
3:55 pm - 3:00 pmICN-LGW
31h 05m2 stops
$533China Eastern
Find Deal
Mon, Mar 17 - Fri, Apr 4
5:40 pm - 2:15 pmLHR-ICN
35h 35m1 stop
10:40 am - 5:50 pmICN-LHR
16h 10m1 stop
$542Air China
Find Deal
Wed, Mar 5 - Fri, Mar 21
10:40 pm - 9:45 pmLHR-ICN
15h 05m1 stop
5:50 pm - 8:30 pmICN-LHR
34h 40m1 stop
$563Air China
Find Deal
Fri, May 16 - Sun, May 25
7:10 pm - 9:55 amLHR-ICN
30h 45m1 stop
11:40 am - 7:40 pmICN-LHR
16h 00m1 stop
$697Lufthansa
Find Deal
Sat, May 24 - Fri, Jun 13
6:30 am - 9:55 amLHR-ICN
19h 25m2 stops
11:40 am - 7:40 pmICN-LHR
16h 00m1 stop
$699Lufthansa
Find Deal
Sun, May 25 - Wed, Jun 11
10:15 am - 6:20 pmLGW-ICN
23h 05m1 stop
12:10 am - 9:30 pmICN-LGW
30h 20m1 stop
$749Turkish Airlines
Find Deal
Wed, Mar 5 - Thu, Mar 20
6:00 am - 9:05 amLGW-ICN
18h 05m1 stop
10:45 am - 9:30 pmICN-LGW
19h 45m1 stop
$772Turkish Airlines
Find Deal
Thu, Mar 6 - Wed, Mar 12

China Southern flights from London to Seoul

Our best China Southern deals on London to Seoul flight tickets
China Southern
Mar 5
LHR9:30 pmLondon Heathrow
15h 45m
1 stop
ICN10:15 pmIncheon Intl
Mar 12
ICN9:25 amIncheon Intl
17h 30m
1 stop
LHR5:55 pmLondon Heathrow
China Southern
Jun 1
LHR10:10 pmLondon Heathrow
33h 15m
1 stop
ICN3:25 pmIncheon Intl
Jun 8
ICN9:25 amIncheon Intl
16h 40m
1 stop
LHR6:05 pmLondon Heathrow
China Southern
May 8
LHR10:10 pmLondon Heathrow
33h 15m
1 stop
ICN3:25 pmIncheon Intl
May 18
ICN9:25 amIncheon Intl
16h 40m
1 stop
LHR6:05 pmLondon Heathrow

China Eastern flights from London to Seoul

Our best China Eastern deals on London to Seoul flight tickets
China Eastern
Mar 5
LGW10:30 amLondon Gatwick
16h 45m
1 stop
ICN12:15 pmIncheon Intl
Mar 21
ICN4:20 pmIncheon Intl
23h 10m
1 stop
LGW6:30 amLondon Gatwick
China Eastern
Mar 17
LGW10:30 amLondon Gatwick
25h 40m
2 stops
ICN9:10 pmIncheon Intl
Apr 4
ICN3:55 pmIncheon Intl
31h 05m
2 stops
LGW3:00 pmLondon Gatwick
China Eastern
Mar 23
LGW10:30 amLondon Gatwick
16h 25m
1 stop
ICN11:55 amIncheon Intl
Mar 30
ICN4:35 pmIncheon Intl
30h 35m
2 stops
LGW3:10 pmLondon Gatwick

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 March is another great option to travel to Seoul, with average flight prices from London averaging around $635.

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

According to our data, Wednesday is the cheapest day to fly to Seoul from London. The lowest ticket price found for a Wednesday departure recently was $1,117. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Saturday, with ticket prices averaging around $1,262.

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

Flying to Seoul from London at noon is the least expensive time of day to depart. momondo users have found prices as low as $704 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,352 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 9 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $920 when searching 9 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 $866 on momondo.

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

There are 3 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 February 2025, prices for London to Seoul flights are approximately 28% 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

$339

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 $339. The best round-trip flight deal from London to Seoul found on momondo in the last 72 hours is $464.
The fastest flight from London to Seoul takes 12h 35m
Direct flights go from London to Seoul every day.
There are 2 airports near Seoul: Incheon Intl (ICN), Seoul Gimpo Intl (GMP)

  • How far is London to Seoul by plane?

    Seoul is 5501.4 mi away from London. In terms of flight time, this usually takes a little over 13h 55m.

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

    Prices for flights from London to Seoul are refreshed on a daily basis.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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
Air ChinaPriceFrom $507Free CancellationRating
7.1
85 reviews
Search Air China flights
LufthansaPriceFrom $728Free CancellationRating
6.7
6,984 reviews
Search Lufthansa flights
Asiana AirlinesPriceFrom $990Free CancellationRating
8.2
446 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,003Free CancellationRating
8.4
1,037 reviews
Search Korean Air flights
  • Korean Air Flights From London to Seoul

    Korean Air operates around 7 flights from London to Seoul every week. The average price of these flights found in the last 72 hours has been $1,192, but momondo users have found Korean Air deals from London to Seoul from as low as $1,003 round-trip. Korean Air has been scored 8.4/10 in 1,037 reviews.

  • Asiana Airlines Flights From London to Seoul

    Asiana Airlines is also a popular choice for this route. Asiana Airlines flight deals for London to Seoul start from as low as $990 round-trip, depending on your selected dates, with average Asiana Airlines deals seen on momondo around $1,047. Asiana Airlines operates 5 flights to Seoul from London in an average week. Users have rated it 8.2/10 across 446 reviews.


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 recognisable 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?

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?

Yes. momondo can track prices for London to Seoul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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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 30.3 mi from Seoul