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Cheap flights from London Heathrow Airport to Seoul from $363

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 6/17. 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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Find the cheapest flights from London Heathrow Airport to Seoul

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from London Heathrow Airport to Seoul.
China Eastern Logo
9:20 pm - 8:45 pmLHR-ICN
15h 25m1 stop
China Eastern Logo
8:55 am - 6:40 pmICN-LHR
17h 45m1 stop
$493China Eastern
Find Deal
Tue, May 27 - Mon, Jun 9
China Eastern Logo
9:20 pm - 8:45 pmLHR-ICN
15h 25m1 stop
China Eastern Logo
6:25 pm - 6:40 pmICN-LHR
32h 15m1 stop
$516China Eastern
Find Deal
Tue, May 27 - Tue, Jun 10
Air China Logo
10:40 pm - 9:45 pmLHR-ICN
15h 05m1 stop
Air China Logo
10:50 am - 8:30 pmICN-LHR
17h 40m1 stop
$571Air China
Find Deal
Wed, May 28 - Sun, Jun 8
Air China Logo
10:40 pm - 9:45 pmLHR-ICN
15h 05m1 stop
Air China Logo
1:05 pm - 8:30 pmICN-LHR
15h 25m1 stop
$583Air China
Find Deal
Tue, Jun 10 - Thu, Jun 19
Shenzhen Airlines Logo
10:05 pm - 3:45 pmLHR-ICN
33h 40m1 stop
Shenzhen Airlines Logo
2:40 pm - 7:50 pmICN-LHR
37h 10m1 stop
$584Shenzhen Airlines
Find Deal
Sun, Jun 8 - Sun, Jun 22
Shenzhen Airlines Logo
10:05 pm - 1:40 pmLHR-ICN
31h 35m1 stop
Shenzhen Airlines Logo
4:40 pm - 8:00 pmICN-LHR
35h 20m1 stop
$587Shenzhen Airlines
Find Deal
Wed, Jun 11 - Thu, Jun 26
 Logo
9:00 pm - 10:10 pmLHR-ICN
17h 10m1 stop
 Logo
12:55 pm - 6:40 pmICN-LHR
37h 45m1 stop
Wed, May 21 - Mon, Jun 2
Lufthansa Logo
10:50 am - 9:55 amLHR-ICN
15h 05m1 stop
Lufthansa Logo
11:40 am - 8:45 pmICN-LHR
17h 05m1 stop
$635Lufthansa
Find Deal
Tue, Jun 17 - Wed, Jul 16
Lufthansa Logo
10:50 am - 9:55 amLHR-ICN
15h 05m1 stop
Lufthansa Logo
11:40 am - 10:40 pmICN-LHR
19h 00m1 stop
$639Lufthansa
Find Deal
Tue, Jun 17 - Wed, Jul 16
 Logo
10:00 pm - 9:30 pmLHR-ICN
39h 30m1 stop
 Logo
1:35 am - 12:45 pmICN-LHR
19h 10m1 stop
Wed, Jun 11 - Wed, Jun 25

China Eastern flights from London Heathrow Airport to Seoul

Our best China Eastern deals on London Heathrow Airport to Seoul flight tickets
China Eastern
May 27
LHR9:20 pmLondon Heathrow
15h 25m
1 stop
ICN8:45 pmIncheon Intl
Jun 9
ICN8:55 amIncheon Intl
17h 45m
1 stop
LHR6:40 pmLondon Heathrow
China Eastern
May 27
LHR9:20 pmLondon Heathrow
15h 25m
1 stop
ICN8:45 pmIncheon Intl
Jun 10
ICN6:25 pmIncheon Intl
32h 15m
1 stop
LHR6:40 pmLondon Heathrow
China Eastern
May 28
LHR9:20 pmLondon Heathrow
15h 25m
1 stop
ICN8:45 pmIncheon Intl
Jun 11
ICN6:25 pmIncheon Intl
32h 15m
1 stop
LHR6:40 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
May 28
LHR10:40 pmLondon Heathrow
15h 05m
1 stop
ICN9:45 pmIncheon Intl
Jun 8
ICN10:50 amIncheon Intl
17h 40m
1 stop
LHR8:30 pmLondon Heathrow
Air China
Jun 10
LHR10:40 pmLondon Heathrow
15h 05m
1 stop
ICN9:45 pmIncheon Intl
Jun 19
ICN1:05 pmIncheon Intl
15h 25m
1 stop
LHR8:30 pmLondon Heathrow
Air China
May 23
LHR10:40 pmLondon Heathrow
15h 05m
1 stop
ICN9:45 pmIncheon Intl
Jun 8
ICN5:50 pmIncheon Intl
34h 40m
1 stop
LHR8:30 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 typical price of a round-trip flight between London Heathrow Airport and Seoul?

What is the cheapest month to fly to Seoul?

The month of February is another great option to travel to Seoul, with average flight prices from London Heathrow Airport averaging around $709.

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 Heathrow Airport. The lowest ticket price found for a Wednesday departure recently was $1,120. 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 $1,243.

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 afternoon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,266 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?

You are more likely to see cheaper flights to Seoul from London Heathrow Airport when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $920 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from London Heathrow Airport for as low as $849 on momondo.

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.

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

As of April 2025, prices for London Heathrow Airport to Seoul flights are approximately 19% 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

$363

Fastest flight time

12h 40m

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 $363. The best round-trip flight deal from London Heathrow Airport to Seoul found on momondo in the last 72 hours is $493.
The fastest flight from London Heathrow Airport to Seoul takes 12h 40m
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 14h 25m.

  • 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
7.2
86 reviews
Search Air China flights
LufthansaPriceFrom $726Free CancellationRating
6.7
7,020 reviews
Search Lufthansa flights
Asiana AirlinesPriceFrom $990Free CancellationRating
8.1
442 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,003Free CancellationRating
8.4
1,062 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 $1,003. Generally, Korean Air has 7 flights on this route every week with an average price of $1,155. 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 $990, 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 7 flights out of London Heathrow Airport into Seoul in an average week, so prices vary by time and availability. 442 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?

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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Sun 4/27
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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