Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Seoul from $353

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 5/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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 Southern Logo
9:00 pm - 10:10 pmLHR-ICN
17h 10m1 stop
China Southern Logo
9:25 am - 6:05 pmICN-LHR
16h 40m1 stop
$538China Southern
Find Deal
Mon, Apr 21 - Mon, Jun 23
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
$559China Southern
Find Deal
Sun, May 11 - Fri, May 23
China Eastern Logo
9:20 pm - 10:55 amLHR-ICN
29h 35m2 stops
China Eastern Logo
4:35 pm - 6:40 pmICN-LHR
34h 05m2 stops
$570China Eastern
Find Deal
Mon, Apr 21 - Mon, Jun 23
China Eastern Logo
9:20 pm - 11:00 amLHR-GMP
29h 40m1 stop
China Eastern Logo
8:50 pm - 6:40 pmGMP-LHR
29h 50m1 stop
$586China Eastern
Find Deal
Wed, May 21 - Mon, May 26
Lufthansa Logo
8:30 am - 9:55 amLHR-ICN
17h 25m1 stop
Lufthansa Logo
1:30 pm - 10:55 pmICN-LHR
18h 25m1 stop
$590Lufthansa
Find Deal
Tue, May 20 - Wed, Dec 10
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
$598Shenzhen Airlines
Find Deal
Sat, May 31 - Thu, Jun 12
Air China Logo
8:25 pm - 11:35 amLHR-ICN
31h 10m1 stop
Air China Logo
5:50 pm - 8:30 pmICN-LHR
34h 40m1 stop
$616Air China
Find Deal
Fri, May 2 - Sun, May 11
Lufthansa Logo
9:00 am - 9:55 amLHR-ICN
16h 55m1 stop
Lufthansa Logo
11:40 am - 7:40 pmICN-LHR
16h 00m1 stop
$617Lufthansa
Find Deal
Wed, May 14 - Thu, May 22
Air China Logo
10:40 pm - 9:45 pmLHR-ICN
15h 05m1 stop
Air China Logo
5:50 pm - 5:45 pmICN-LHR
31h 55m1 stop
$644Air China
Find Deal
Fri, May 9 - Wed, May 21
Shenzhen Airlines Logo
10:05 pm - 1:40 pmLHR-ICN
31h 35m1 stop
Shenzhen Airlines Logo
4:45 pm - 8:00 pmICN-LHR
35h 15m1 stop
$653Shenzhen Airlines
Find Deal
Sun, May 18 - Sat, May 31

China Southern flights from London Heathrow Airport to Seoul

Our best China Southern deals on London Heathrow Airport to Seoul flight tickets
China Southern
Apr 21
LHR9:00 pmLondon Heathrow
17h 10m
1 stop
ICN10:10 pmIncheon Intl
Jun 23
ICN9:25 amIncheon Intl
16h 40m
1 stop
LHR6:05 pmLondon Heathrow
China Southern
May 11
LHR10:10 pmLondon Heathrow
31h 45m
1 stop
ICN1:55 pmIncheon Intl
May 23
ICN9:25 amIncheon Intl
16h 40m
1 stop
LHR6:05 pmLondon Heathrow
China Southern
May 12
LHR10:10 pmLondon Heathrow
31h 45m
1 stop
ICN1:55 pmIncheon Intl
May 20
ICN4:45 pmIncheon Intl
34h 15m
1 stop
LHR7:00 pmLondon Heathrow

China Eastern flights from London Heathrow Airport to Seoul

Our best China Eastern deals on London Heathrow Airport to Seoul flight tickets
China Eastern
Apr 21
LHR9:20 pmLondon Heathrow
29h 35m
2 stops
ICN10:55 amIncheon Intl
Jun 23
ICN4:35 pmIncheon Intl
34h 05m
2 stops
LHR6:40 pmLondon Heathrow
China Eastern
May 21
LHR9:20 pmLondon Heathrow
29h 40m
1 stop
GMP11:00 amSeoul Gimpo Intl
May 26
GMP8:50 pmSeoul Gimpo Intl
29h 50m
1 stop
LHR6:40 pmLondon Heathrow
China Eastern
May 26
LHR9:20 pmLondon Heathrow
29h 55m
2 stops
ICN11:15 amIncheon Intl
Jun 13
ICN8:55 amIncheon Intl
17h 45m
1 stop
LHR6:40 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 January is another great option to travel to Seoul, with average flight prices from London Heathrow Airport averaging around $708.

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 $1,265.

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 $926 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 $868 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 20% 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

$353

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 $353. The best round-trip flight deal from London Heathrow Airport to Seoul found on momondo in the last 72 hours is $538.
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 15h 05m.

  • 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 $528Free CancellationRating
7.1
82 reviews
Search Air China flights
LufthansaPriceFrom $726Free CancellationRating
6.7
6,963 reviews
Search Lufthansa flights
Asiana AirlinesPriceFrom $990Free CancellationRating
8.2
440 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,003Free CancellationRating
8.4
1,052 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 $1,160. 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. 440 Asiana Airlines reviews by users on momondo have scored the airline at 8.2/10.


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.


An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Mon 4/7
Mon 4/14

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