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Cheap flights from London Heathrow Airport 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 Heathrow Airport to Seoul departing on 1/29. 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 Heathrow Airport to Seoul

Cheap round-trip flights

These are some of the best round-trip flight deals from London Heathrow Airport to Seoul that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Seoul.

Cheap last minute flights

Planning a quick getaway from London Heathrow Airport to Seoul? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seoul, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from London Heathrow Airport to Seoul

Find recent round-trip train or bus tickets from London Heathrow Airport to Seoul.

All round-trip flight deals to Seoul

The cheapest plane tickets to Seoul found on KAYAK recently.
9:30 pm - 12:25 pmLHR-GMP
29h 55m1 stop
1:30 pm - 5:55 pmGMP-LHR
37h 25m1 stop
$466China Southern
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Wed, Mar 5 - Fri, Mar 14
10:00 pm - 1:50 pmLHR-ICN
30h 50m1 stop
9:25 am - 5:55 pmICN-LHR
17h 30m1 stop
$466China Southern
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Wed, Mar 5 - Fri, Mar 14
9:00 pm - 5:25 pmLHR-ICN
35h 25m1 stop
10:45 pm - 5:30 pmICN-LHR
27h 45m2 stops
$508China Eastern
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Wed, Mar 5 - Fri, Mar 21
5:50 pm - 8:45 pmLHR-ICN
17h 55m1 stop
8:55 am - 1:55 pmICN-LHR
38h 00m1 stop
$554China Eastern
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Wed, Jan 8 - Wed, Jan 15
5:40 pm - 2:15 pmLHR-ICN
35h 35m1 stop
3:30 pm - 5:50 pmICN-LHR
35h 20m1 stop
$557Air China
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Sun, Feb 2 - Sun, Feb 16
9:10 pm - 1:55 pmLHR-ICN
31h 45m1 stop
2:55 pm - 7:10 pmICN-LHR
37h 15m1 stop
$591Shenzhen Airlines
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Mon, Jan 13 - Sun, Feb 9
9:10 pm - 1:55 pmLHR-ICN
31h 45m1 stop
4:40 pm - 7:10 pmICN-LHR
35h 30m1 stop
$593Shenzhen Airlines
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Wed, Feb 12 - Fri, Mar 7
8:25 pm - 4:35 pmLHR-ICN
35h 10m1 stop
3:30 pm - 3:55 pmICN-LHR
33h 25m1 stop
$612Air China
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Sun, Dec 29 - Wed, Jan 29
11:30 am - 10:50 amLHR-ICN
14h 20m1 stop
1:30 pm - 9:00 pmICN-LHR
16h 30m1 stop
$635Lufthansa
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Wed, Feb 19 - Sat, Mar 1
11:10 am - 11:15 amLHR-ICN
15h 05m1 stop
1:30 pm - 9:00 pmICN-LHR
16h 30m1 stop
$646Lufthansa
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Tue, Feb 18 - Sat, Mar 1
9:30 pm - 10:15 pmLHR-ICN
15h 45m1 stop
$339China Southern
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Wed, Jan 29
9:30 pm - 12:25 pmLHR-GMP
29h 55m1 stop
$345China Southern
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Tue, Jan 7
8:25 pm - 9:45 pmLHR-ICN
16h 20m1 stop
$558Air China
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Wed, Jan 1
7:25 am - 9:55 amLHR-ICN
18h 30m2 stops
$661Lufthansa
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Sat, May 17
8:10 pm - 5:45 pmLHR-ICN
12h 35mnonstop
$693Asiana Airlines
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Sun, Dec 29
8:25 pm - 2:10 pmLHR-GMP
32h 45m1 stop
$693Air China
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Sat, Dec 28
8:10 pm - 5:45 pmLHR-ICN
12h 35mnonstop
$707Asiana Airlines
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Sat, Dec 28
9:30 am - 9:55 amLHR-ICN
16h 25m2 stops
$723Lufthansa
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Tue, May 27
6:50 pm - 4:15 pmLHR-ICN
12h 25mnonstop
$735Korean Air
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Tue, Jan 7
6:50 pm - 4:15 pmLHR-ICN
12h 25mnonstop
$736Korean Air
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Sat, Dec 28
11:30 am - 10:50 amLHR-ICN
14h 20m1 stop
9:00 am - 9:40 pmICN-LHR
21h 40m2 stops
$1,469
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Sat, Dec 21 - Tue, Dec 31
4:15 pm - 12:20 pmLHR-ICN
35h 05m1 stop
11:00 pm - 8:40 pmICN-LHR
30h 40m1 stop
$1,503Finnair
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Fri, Dec 20 - Thu, Dec 26
8:10 pm - 5:45 pmLHR-ICN
12h 35mnonstop
9:00 am - 5:15 pmICN-LHR
17h 15m1 stop
$1,702
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Sat, Dec 21 - Tue, Dec 31
8:10 pm - 5:45 pmLHR-ICN
12h 35mnonstop
9:00 am - 5:15 pmICN-LHR
17h 15m1 stop
$1,707
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Sat, Dec 21 - Tue, Dec 31
9:30 pm - 5:15 pmLHR-ICN
34h 45m1 stop
12:20 am - 3:05 pmICN-LHR
23h 45m2 stops
$1,744Qatar Airways
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Mon, Dec 23 - Sun, Dec 29
6:55 pm - 5:15 pmLHR-ICN
37h 20m1 stop
12:20 am - 5:25 pmICN-LHR
26h 05m1 stop
$1,805Qatar Airways
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Fri, Dec 20 - Wed, Dec 25
7:30 am - 10:50 amLHR-ICN
18h 20m1 stop
1:30 pm - 7:45 amICN-LHR
27h 15m2 stops
$1,924Lufthansa
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Sat, Dec 21 - Mon, Dec 23
6:50 pm - 4:15 pmLHR-ICN
12h 25mnonstop
10:40 am - 4:30 pmICN-LHR
14h 50mnonstop
$1,940Korean Air
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Fri, Dec 20 - Thu, Dec 26
8:10 pm - 5:45 pmLHR-ICN
12h 35mnonstop
12:25 pm - 6:05 pmICN-LHR
14h 40mnonstop
$2,814Asiana Airlines
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Sat, Dec 21 - Sat, Jan 4
6:30 am - 10:50 amLHR-ICN
19h 20m1 stop
12:55 pm - 8:05 amICN-LHR
28h 10m2 stops
$2,981Lufthansa
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Fri, Dec 20 - Sun, Jan 5
8:10 pm - 5:45 pmLHR-ICN
12h 35mnonstop
12:25 pm - 6:05 pmICN-LHR
14h 40mnonstop
$996Asiana Airlines
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Wed, Mar 5 - Fri, Mar 21
8:10 pm - 5:45 pmLHR-ICN
12h 35mnonstop
12:25 pm - 6:05 pmICN-LHR
14h 40mnonstop
$1,007Asiana Airlines
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Fri, Feb 14 - Sun, Feb 23
8:10 pm - 5:45 pmLHR-ICN
12h 35mnonstop
12:25 pm - 6:05 pmICN-LHR
14h 40mnonstop
$1,008Asiana Airlines
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Sat, Feb 15 - Mon, Feb 24
8:10 pm - 4:05 pmLHR-ICN
11h 55mnonstop
2:30 pm - 6:00 pmICN-LHR
11h 30mnonstop
$1,009Asiana Airlines
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Tue, Apr 8 - Fri, May 2
8:10 pm - 4:05 pmLHR-ICN
11h 55mnonstop
2:30 pm - 6:00 pmICN-LHR
11h 30mnonstop
$1,010Asiana Airlines
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Wed, Apr 30 - Fri, May 9
8:10 pm - 5:45 pmLHR-ICN
12h 35mnonstop
12:25 pm - 6:05 pmICN-LHR
14h 40mnonstop
$1,011Asiana Airlines
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Sun, Feb 9 - Fri, Mar 7
6:50 pm - 4:15 pmLHR-ICN
12h 25mnonstop
10:40 am - 4:30 pmICN-LHR
14h 50mnonstop
$1,077Korean Air
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Thu, Feb 13 - Thu, Feb 27
6:50 pm - 4:15 pmLHR-ICN
12h 25mnonstop
10:40 am - 4:30 pmICN-LHR
14h 50mnonstop
$1,078Korean Air
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Tue, Feb 11 - Wed, Mar 12
8:10 pm - 5:45 pmLHR-ICN
12h 35mnonstop
10:40 am - 4:30 pmICN-LHR
14h 50mnonstop
$1,501
Find Deal
Wed, Jan 8 - Tue, Jan 14
6:50 pm - 4:15 pmLHR-ICN
12h 25mnonstop
10:40 am - 4:30 pmICN-LHR
14h 50mnonstop
$2,147Virgin Atlantic
Find Deal
Sun, Jan 12 - Wed, Jan 22

China Eastern flights from London Heathrow Airport to Seoul

Our best China Eastern deals on London Heathrow Airport to Seoul flight tickets
China Eastern
Mar 5
LHR9:00 pmLondon Heathrow
35h 25m
1 stop
ICN5:25 pmIncheon Intl
Mar 21
ICN10:45 pmIncheon Intl
27h 45m
2 stops
LHR5:30 pmLondon Heathrow
China Eastern
Jan 8
LHR5:50 pmLondon Heathrow
17h 55m
1 stop
ICN8:45 pmIncheon Intl
Jan 15
ICN8:55 amIncheon Intl
38h 00m
1 stop
LHR1:55 pmLondon Heathrow
China Eastern
Jan 14
LHR9:00 pmLondon Heathrow
14h 45m
1 stop
ICN8:45 pmIncheon Intl
Jan 21
ICN8:55 amIncheon Intl
17h 35m
1 stop
LHR5:30 pmLondon Heathrow

Air China flights from London Heathrow Airport to Seoul

Our best Air China deals on London Heathrow Airport to Seoul flight tickets
Air China
Feb 2
LHR5:40 pmLondon Heathrow
35h 35m
1 stop
ICN2:15 pmIncheon Intl
Feb 16
ICN3:30 pmIncheon Intl
35h 20m
1 stop
LHR5:50 pmLondon Heathrow
Air China
Dec 29
LHR8:25 pmLondon Heathrow
35h 10m
1 stop
ICN4:35 pmIncheon Intl
Jan 29
ICN3:30 pmIncheon Intl
33h 25m
1 stop
LHR3:55 pmLondon Heathrow
Air China
Jan 31
LHR5:40 pmLondon Heathrow
35h 35m
1 stop
ICN2:15 pmIncheon Intl
Feb 8
ICN3:30 pmIncheon Intl
33h 25m
1 stop
LHR3:55 pmLondon Heathrow

See travel insights to Seoul from

How to get the cheapest flight ticket from London Heathrow Airport 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 May is another great option to travel to Seoul, with average flight prices from London Heathrow Airport averaging around $670.

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

According to our data, Tuesday is the cheapest day to fly to Seoul from London Heathrow Airport. The lowest ticket price found for a Tuesday departure recently was $708. 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 Friday, with ticket prices averaging around $1,073.

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

Flying to Seoul from London Heathrow Airport 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 evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,037 per ticket.

What is the cheapest London Heathrow to Seoul flight route?

Fly from London Heathrow to Incheon Intl for the best London Heathrow - Seoul flight prices

How far in advance should I book a flight to Seoul?

Most flyers found that booking tickets 50 days in advance of their planned departure date is the best time to get cheap flights to Seoul. During this timeframe, flight prices are around $932. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $694.

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

There are 3 cabin classes available to choose from on London Heathrow 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 Heathrow Airport to Seoul flights?

You could potentially save up to 51% on your flight if you consider stops on a London Heathrow Airport to Seoul flight.

How have London Heathrow Airport to Seoul flight prices changed over time?

As of December 2024, prices for London Heathrow Airport to Seoul flights are approximately 14% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Seoul according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Seoul (LHR to SEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Seoul

Best Price Found

$339

Fastest flight time

11h 55m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from London Heathrow Airport in the past 72 hours is $339. The best round-trip flight deal from London Heathrow Airport to Seoul found on momondo in the last 72 hours is $466.
The fastest flight from London Heathrow Airport to Seoul takes 11h 55m
Direct flights go from London Heathrow Airport to Seoul every day.
There are 2 airports near Seoul: Incheon Intl (ICN), Seoul Gimpo Intl (GMP)

  • How far is London Heathrow to Seoul by plane?

    London Heathrow and Seoul are 5512.0 mi apart from one another. A reasonable flight in good conditions will take 13h 55m.

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

    Prices for flights from London Heathrow Airport to Seoul are updated daily.

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

  • How old do you have to be to fly from London Heathrow Airport 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 Heathrow Airport to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The necessary travel and health documents for your Seoul trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from London Heathrow Airport to Seoul

Compare and see reviews for airlines that fly from London Heathrow Airport to Seoul with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom $507Free CancellationRating
7.0
122 reviews
Search Air China flights
LufthansaPriceFrom $656Free CancellationRating
6.8
7,091 reviews
Search Lufthansa flights
Asiana AirlinesPriceFrom $965Free CancellationRating
8.3
477 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,017Free CancellationRating
8.4
1,018 reviews
Search Korean Air flights
  • Korean Air Flights From London Heathrow Airport to Seoul

    The lowest priced Korean Air flight from London Heathrow Airport to Seoul from the last 72 hours was $1,017. Generally, Korean Air has 8 flights on this route every week with an average price of $1,196. Korean Air is rated 8.4/10 by our users.

  • Asiana Airlines Flights From London Heathrow Airport to Seoul

    The best Asiana Airlines deal for London Heathrow Airport to Seoul flight tickets found on momondo in the last 72 hours was $965, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at $1,047 round-trip. Asiana Airlines operates 5 flights out of London Heathrow Airport into Seoul in an average week, so prices vary by time and availability. 477 Asiana Airlines reviews by users on momondo have scored the airline at 8.3/10.


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?

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seoul from London.

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