What is the cheapest airline that flies from London Heathrow to Seoul?

China Southern and China Eastern are the most popular carriers operating from London Heathrow to Seoul

How many flights depart from London Heathrow Airport to Seoul on average per day?

As of March 2026, 3 flights take off from London Heathrow Airport and land in Seoul each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

How many flights depart from London Heathrow Airport to Seoul on average per week?

21 flights are operational weekly from London Heathrow Airport to Seoul as of March 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

What airlines fly to Seoul?

Lufthansa, Asiana Airlines and Korean Air are the top three most popular airlines that fly to Seoul from London Heathrow Airport according to our data. Lufthansa is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 4 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

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

The number of operators available for flights from London Heathrow Airport to Seoul is 4 as of March 2026.

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.

$351 Cheap Flights from London Heathrow Airport to Seoul in 2026

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Find the cheapest flights from London Heathrow Airport to Seoul

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 pm - 12:25 pm

LHR

GMP

31h 25m

1 stop

1:30 pm - 6:05 pm

GMP

LHR

36h 35m

1 stop

$547China Southern

Wed, May 13 - Wed, May 20

9:00 pm - 12:25 pm

LHR

GMP

31h 25m

1 stop

1:30 pm - 6:05 pm

GMP

LHR

36h 35m

1 stop

$548China Southern

Tue, May 12 - Tue, May 19

9:00 pm - 12:25 pm

LHR

GMP

31h 25m

1 stop

1:30 pm - 6:05 pm

GMP

LHR

36h 35m

1 stop

$553China Southern

Wed, May 13 - Sun, May 17

9:20 pm - 8:45 pm

LHR

ICN

15h 25m

1 stop

8:55 am - 6:40 pm

ICN

LHR

17h 45m

1 stop

$567China Eastern

Mon, Apr 27 - Wed, May 27

9:20 pm - 5:25 pm

LHR

ICN

36h 05m

1 stop

8:55 am - 6:40 pm

ICN

LHR

17h 45m

1 stop

$568China Eastern

Thu, May 14 - Mon, Jun 8

9:20 pm - 8:45 pm

LHR

ICN

15h 25m

1 stop

12:55 pm - 6:40 pm

ICN

LHR

37h 45m

1 stop

$570China Eastern

Mon, Apr 13 - Mon, May 4

10:40 pm - 10:00 pm

LHR

ICN

15h 20m

1 stop

10:50 am - 8:25 pm

ICN

LHR

17h 35m

1 stop

$578Air China

Fri, Apr 10 - Sun, May 3

10:00 pm - 12:55 pm

LHR

ICN

30h 55m

1 stop

10:50 am - 8:25 pm

ICN

LHR

17h 35m

1 stop

$579Air China

Sat, May 9 - Thu, May 21

9:00 pm - 10:10 pm

LHR

ICN

17h 10m

1 stop

3:15 pm - 8:00 pm

ICN

LHR

36h 45m

1 stop

$585Multiple Airlines

Sun, Apr 26 - Sat, May 9

9:00 pm - 12:25 pm

LHR

GMP

31h 25m

1 stop

11:30 am - 8:00 pm

GMP

LHR

40h 30m

2 stops

$690Multiple Airlines

Tue, May 19 - Tue, Jun 2

Air China flights from London Heathrow Airport to Seoul

Our best Air China deals on London Heathrow Airport to Seoul flight tickets

Air China

Apr 10

LHR10:40 pmLondon Heathrow

15h 20m

1 stop

ICN10:00 pmIncheon Intl

May 3

ICN10:50 amIncheon Intl

17h 35m

1 stop

LHR8:25 pmLondon Heathrow

$578

Air China

May 9

LHR10:00 pmLondon Heathrow

30h 55m

1 stop

ICN12:55 pmIncheon Intl

May 21

ICN10:50 amIncheon Intl

17h 35m

1 stop

LHR8:25 pmLondon Heathrow

$579

Air China

Apr 18

LHR10:40 pmLondon Heathrow

15h 20m

1 stop

ICN10:00 pmIncheon Intl

May 2

ICN10:50 amIncheon Intl

17h 35m

1 stop

LHR8:25 pmLondon Heathrow

$604

Shenzhen Airlines flights from London Heathrow Airport to Seoul

Our best Shenzhen Airlines deals on London Heathrow Airport to Seoul flight tickets

Shenzhen Airlines

Apr 10

LHR10:05 pmLondon Heathrow

32h 10m

1 stop

ICN2:15 pmIncheon Intl

May 3

ICN3:15 pmIncheon Intl

36h 35m

1 stop

LHR7:50 pmLondon Heathrow

$607

Shenzhen Airlines

May 8

LHR10:05 pmLondon Heathrow

34h 40m

1 stop

ICN4:45 pmIncheon Intl

May 16

ICN3:15 pmIncheon Intl

36h 45m

1 stop

LHR8:00 pmLondon Heathrow

$609

Shenzhen Airlines

Apr 10

LHR10:05 pmLondon Heathrow

32h 10m

1 stop

ICN2:15 pmIncheon Intl

May 3

ICN3:15 pmIncheon Intl

36h 35m

1 stop

LHR7:50 pmLondon Heathrow

$610

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 5/13

9:00 pm-12:25 pm

1 stop31h 25m

Seoul Gimpo Intl

Wed 5/20

1:30 pm-6:05 pm

1 stop36h 35m

$547

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 5/12

9:00 pm-12:25 pm

1 stop31h 25m

Seoul Gimpo Intl

Tue 5/19

1:30 pm-6:05 pm

1 stop36h 35m

$548

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 5/13

9:00 pm-12:25 pm

1 stop31h 25m

Seoul Gimpo Intl

Sun 5/17

1:30 pm-6:05 pm

1 stop36h 35m

$553

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 4/27

9:20 pm-8:45 pm

1 stop15h 25m

Incheon Intl

Wed 5/27

8:55 am-6:40 pm

1 stop17h 45m

$567

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 5/14

9:20 pm-5:25 pm

1 stop36h 05m

Incheon Intl

Mon 6/8

8:55 am-6:40 pm

1 stop17h 45m

$568

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 4/13

9:20 pm-8:45 pm

1 stop15h 25m

Incheon Intl

Mon 5/4

12:55 pm-6:40 pm

1 stop37h 45m

$570

Quickest round-trip

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 4/10

10:40 pm-10:00 pm

1 stop15h 20m

Incheon Intl

Sun 5/3

10:50 am-8:25 pm

1 stop17h 35m

$578

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 5/9

10:00 pm-12:55 pm

1 stop30h 55m

Incheon Intl

Thu 5/21

10:50 am-8:25 pm

1 stop17h 35m

$579

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 4/26

9:00 pm-10:10 pm

1 stop17h 10m

Incheon Intl

Sat 5/9

3:15 pm-8:00 pm

1 stop36h 45m

$585

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 5/19

9:00 pm-12:25 pm

1 stop31h 25m

Seoul Gimpo Intl

Tue 6/2

11:30 am-8:00 pm

2 stops40h 30m

$690

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $606.

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 $1,123. 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 Tuesday, with ticket prices averaging around $1,374.

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 $975 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 $1,283 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 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $930 when searching 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 $791 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.

Can stopping save me money on London Heathrow Airport to Seoul flights?

You could potentially save up to 21% 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 March 2026, prices for London Heathrow Airport to Seoul flights are approximately 1% more expensive 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	$632
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 $632. The best round-trip flight deal from London Heathrow Airport to Seoul found on momondo in the last 72 hours is $913.

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 in Seoul. From London Heathrow Airport there are direct flights to Incheon Intl (ICN).

Search flight deals

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 12h 40m.
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?
The number of operators available for flights from London Heathrow Airport to Seoul is 4 as of March 2026.
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?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Seoul is Boeing 777-300ER, representing 34.77% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 26.56%, Airbus A350-900 at 22.98%, and Boeing 747-8 at 7.81%.
What is the most popular airline from London Heathrow Airport to Seoul?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Heathrow Airport to Seoul is Lufthansa (100% of total bookings).

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
Lufthansa	PriceFrom $620	Free Cancellation	Rating 6.8 7,850 reviews	Search Lufthansa flights
Korean Air	PriceFrom $821	Free Cancellation	Rating 8.4 1,202 reviews	Search Korean Air flights
Asiana Airlines	PriceFrom $884	Free Cancellation	Rating 8.1 506 reviews	Search Asiana Airlines flights
Virgin Atlantic	PriceFrom $906	Free Cancellation	Rating 7.5 680 reviews	Search Virgin Atlantic 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 $821. Generally, Korean Air has 7 flights on this route every week with an average price of $1,182. 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 $884, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at $1,461 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. 506 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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Cheap flights from London Heathrow Airport to Seoul from $351

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 5/13. 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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Air China flights from London Heathrow Airport to Seoul

Our best Air China deals on London Heathrow Airport to Seoul flight tickets

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Our best Shenzhen Airlines deals on London Heathrow Airport to Seoul flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Seoul that are best for you.

See travel insights to Seoul from

How to get the cheapest flight ticket from London Heathrow Airport to Seoul

What is the cheapest month to fly to Seoul?

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

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

What is the cheapest London Heathrow to Seoul flight route?

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

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

Can stopping save me money on London Heathrow Airport to Seoul flights?

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

What is the cheapest airline that flies from London Heathrow to Seoul?

What airlines fly to Seoul?

How many flights depart from London Heathrow Airport to Seoul on average per day?

How many flights depart from London Heathrow Airport to Seoul on average per week?

When to book flights from London Heathrow Airport to Seoul

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

Fastest flight time

Direct flights

Airports in 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

Korean Air Flights From London Heathrow Airport to Seoul

Asiana Airlines Flights From London Heathrow Airport to Seoul

Why use momondo?

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.

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

Fly your favorite airline to Seoul

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seoul

List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

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