Cheap flights from London to Seoul from $341

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 9/17. 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

China Southern Logo
9:00 pm - 12:25 pmLHR-GMP
31h 25m1 stop
China Southern Logo
1:30 pm - 6:05 pmGMP-LHR
36h 35m1 stop
$521China Southern
Find Deal
Mi, Sep 3 - Mi, Okt 15
China Southern Logo
10:10 pm - 1:55 pmLHR-ICN
31h 45m1 stop
China Southern Logo
9:25 am - 6:05 pmICN-LHR
16h 40m1 stop
$521China Southern
Find Deal
Mi, Sep 3 - Mi, Okt 15
Lufthansa Logo
8:45 am - 11:15 amLHR-ICN
17h 30m1 stop
Lufthansa Logo
1:30 pm - 10:55 pmICN-LHR
18h 25m1 stop
$560Lufthansa
Find Deal
Do, Nov 27 - Mo, Dez 8
Lufthansa Logo
8:15 pm - 11:15 amLHR-ICN
30h 00m1 stop
Lufthansa Logo
1:05 pm - 10:20 pmICN-LHR
18h 15m1 stop
$581Lufthansa
Find Deal
Mi, Nov 26 - So, Dez 7
Shenzhen Airlines Logo
10:05 pm - 1:40 pmLHR-ICN
31h 35m1 stop
Shenzhen Airlines Logo
2:55 pm - 7:10 pmICN-LHR
37h 15m1 stop
$627Shenzhen Airlines
Find Deal
So, Sep 28 - Di, Okt 28
Shenzhen Airlines Logo
9:10 pm - 1:55 pmLHR-ICN
31h 45m1 stop
Shenzhen Airlines Logo
4:45 pm - 7:10 pmICN-LHR
35h 25m1 stop
$628Shenzhen Airlines
Find Deal
Mo, Okt 27 - Fr, Nov 14
China Eastern Logo
9:00 pm - 2:40 pmLHR-ICN
32h 40m2 stops
China Eastern Logo
8:50 pm - 5:30 pmICN-LHR
29h 40m2 stops
$688China Eastern
Find Deal
Di, Nov 18 - Di, Dez 2
China Eastern Logo
9:00 pm - 11:15 amLHR-ICN
29h 15m2 stops
China Eastern Logo
2:20 pm - 5:30 pmICN-LHR
36h 10m3 stops
$689China Eastern
Find Deal
Di, Nov 18 - Di, Dez 2
Air China Logo
8:25 pm - 11:40 amLHR-ICN
30h 15m1 stop
Air China Logo
2:55 pm - 7:40 pmICN-LHR
37h 45m1 stop
$701Air China
Find Deal
Mo, Okt 27 - Mo, Nov 3
Air China Logo
10:00 pm - 12:55 pmLHR-ICN
30h 55m1 stop
Air China Logo
10:40 am - 5:50 pmICN-LHR
16h 10m1 stop
$702Air China
Find Deal
Sa, Okt 4 - Do, Okt 30

Turkish Airlines flights from London to Seoul

Our best Turkish Airlines deals on London to Seoul flight tickets
Turkish Airlines
Nov 18
LGW6:25 amLondon Gatwick
17h 40m
1 stop
ICN9:05 amIncheon Intl
Dec 1
ICN12:10 amIncheon Intl
18h 00m
1 stop
LGW9:10 amLondon Gatwick
Turkish Airlines
Nov 11
LGW6:25 amLondon Gatwick
17h 40m
1 stop
ICN9:05 amIncheon Intl
Nov 29
ICN12:10 amIncheon Intl
18h 00m
1 stop
LGW9:10 amLondon Gatwick
Turkish Airlines
Oct 13
LGW5:15 pmLondon Gatwick
16h 25m
1 stop
ICN5:40 pmIncheon Intl
Oct 29
ICN10:45 amIncheon Intl
20h 50m
1 stop
LGW10:35 pmLondon Gatwick

KLM flights from London to Seoul

Our best KLM deals on London to Seoul flight tickets
KLM
Sep 16
LCY5:50 pmLondon City
14h 35m
1 stop
ICN4:25 pmIncheon Intl
Sep 23
ICN10:25 pmIncheon Intl
16h 50m
1 stop
LCY7:15 amLondon City
KLM
Sep 1
LCY5:10 pmLondon City
15h 15m
1 stop
ICN4:25 pmIncheon Intl
Oct 13
ICN10:25 pmIncheon Intl
16h 50m
1 stop
LCY7:15 amLondon City
KLM
Aug 31
LCY5:50 pmLondon City
14h 35m
1 stop
ICN4:25 pmIncheon Intl
Sep 17
ICN10:25 pmIncheon Intl
16h 50m
1 stop
LCY7:15 amLondon City

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 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 $600.

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 $1,139. 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 Monday, with ticket prices averaging around $1,259.

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 $1,205 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 $919 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 $834 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 14% 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 July 2025, prices for London to Seoul flights are approximately 13% 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

$341

Fastest flight time

14h 05m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from London in the past 72 hours is $341. The best round-trip flight deal from London to Seoul found on momondo in the last 72 hours is $521.
The fastest flight from London to Seoul takes 14h 05m
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 14h 05m.

  • 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
7.2
89 reviews
Search Air China flights
LufthansaPriceFrom $579Free CancellationRating
6.8
7,199 reviews
Search Lufthansa flights
Asiana AirlinesPriceFrom $990Free CancellationRating
8.2
454 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,003Free CancellationRating
8.4
1,105 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 $1,160, 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 1,105 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 $1,314. Asiana Airlines operates 7 flights to Seoul from London in an average week. Users have rated it 8.2/10 across 454 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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1 adult
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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