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

The number of flights available between Seoul and London Heathrow Airport is 33 per week as of June 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

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

Shenzhen Airlines, SWISS, and Lufthansa are the most popular carriers operating from Seoul to London Heathrow

How long does it take to fly to London Heathrow Airport?

On average, it takes 14h 25m to fly from Seoul to London Heathrow Airport if you fly out of Incheon (the most popular airport in Seoul) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of Seoul and into London Heathrow Airport, then the flight time is around 18h 50m.

Which layover airport has the shortest connection time from Seoul to London Heathrow Airport?

Abu Dhabi (AUH) has the shortest average layover time for this route: 1h 15m.

Which layover airport offers the lowest fares from Seoul to London Heathrow Airport?

Flights via Shanghai (PVG) offer the lowest average round-trip price of $512.

What airlines fly to London Heathrow Airport?

Asiana Airlines, Lufthansa and Air China are the top three most popular airlines that fly to London Heathrow Airport from Seoul according to our data. Asiana Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Seoul and London Heathrow Airport?

Beijing (PEK) was the most common stop: 42% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Seoul to London Heathrow Airport?

Flights connecting via Beijing (PEK) have the shortest average one-way travel time: 14h 03m.

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

As of June 2026, there are 4 flights per day flying from Seoul to London Heathrow Airport. The most common time of day flights depart is 10:00AM, with 63% of flights taking off at noon.

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

Prices for flights from Seoul to London Heathrow Airport were last updated today.

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

As of June 2026, there are 3 operators available to choose from for flights from Seoul to London Heathrow Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$304 Cheap Flights from Seoul to London Heathrow Airport in 2026

Q: What is the typical price of a round-trip flight between Seoul and London Heathrow Airport?

Prices are currently low for flights on this route. Typical prices usually range from $843 to $1,189. The lowest price recently found on this route was $744.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seoul to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:55 pm - 7:10 pm

ICN

LHR

37h 15m

1 stop

9:10 pm - 3:45 pm

LHR

ICN

33h 35m

1 stop

$744Shenzhen Airlines

Sat, Nov 21 - Fri, Nov 27

3:15 pm - 7:50 pm

ICN

LHR

36h 35m

1 stop

8:25 pm - 11:35 am

LHR

ICN

31h 10m

1 stop

$745Multiple Airlines

Sun, Aug 16 - Tue, Aug 25

3:15 pm - 7:50 pm

ICN

LHR

36h 35m

1 stop

8:25 pm - 10:00 pm

LHR

ICN

17h 35m

1 stop

$747Multiple Airlines

Sun, Jul 26 - Fri, Aug 7

11:40 am - 8:45 pm

ICN

LHR

17h 05m

1 stop

6:55 am - 9:55 am

LHR

ICN

19h 00m

1 stop

$749Lufthansa

Thu, Jul 23 - Mon, Sep 14

12:55 pm - 10:20 pm

ICN

LHR

18h 25m

1 stop

7:40 am - 11:00 am

LHR

ICN

18h 20m

2 stops

$750Lufthansa

Tue, Dec 1 - Mon, Dec 14

9:30 am - 5:50 pm

ICN

LHR

16h 20m

1 stop

8:05 pm - 7:40 am

LHR

ICN

27h 35m

1 stop

$754SWISS

Wed, Jul 8 - Sat, Jul 11

9:25 am - 6:05 pm

ICN

LHR

16h 40m

1 stop

10:10 pm - 1:55 pm

LHR

ICN

31h 45m

1 stop

$758China Southern

Thu, Jul 16 - Fri, Jul 24

2:25 pm - 5:50 pm

GMP

LHR

36h 25m

1 stop

8:25 pm - 1:05 pm

LHR

GMP

31h 40m

1 stop

$834Air China

Wed, Dec 23 - Sat, Jan 2

2:25 pm - 5:50 pm

GMP

LHR

36h 25m

1 stop

8:25 pm - 1:05 pm

LHR

GMP

31h 40m

1 stop

$837Air China

Wed, Dec 23 - Sat, Jan 2

1:30 pm - 6:05 pm

GMP

LHR

36h 35m

1 stop

9:00 pm - 12:25 pm

LHR

GMP

31h 25m

1 stop

$865China Southern

Sun, Aug 23 - Sun, Aug 30

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Lufthansa flights from Seoul to London Heathrow Airport

Our best Lufthansa deals on Seoul to London Heathrow Airport flight tickets

Lufthansa

Jul 1

ICN12:20 pmIncheon Intl

17h 50m

1 stop

LHR10:10 pmLondon Heathrow

Sep 7

LHR6:55 amLondon Heathrow

19h 00m

1 stop

ICN9:55 amIncheon Intl

$744

Lufthansa

Jul 1

ICN12:20 pmIncheon Intl

16h 20m

1 stop

LHR8:40 pmLondon Heathrow

Sep 6

LHR9:00 amLondon Heathrow

16h 55m

1 stop

ICN9:55 amIncheon Intl

$745

Lufthansa

Jul 1

ICN11:40 amIncheon Intl

17h 05m

1 stop

LHR8:45 pmLondon Heathrow

Sep 6

LHR8:30 amLondon Heathrow

17h 25m

1 stop

ICN9:55 amIncheon Intl

$746

Air China flights from Seoul to London Heathrow Airport

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

Air China

Dec 23

ICN11:10 amIncheon Intl

15h 40m

1 stop

LHR5:50 pmLondon Heathrow

Jan 2

LHR5:40 pmLondon Heathrow

33h 00m

1 stop

ICN11:40 amIncheon Intl

$801

Air China

Dec 23

ICN11:10 amIncheon Intl

15h 40m

1 stop

LHR5:50 pmLondon Heathrow

Jan 2

LHR9:35 pmLondon Heathrow

30h 20m

1 stop

ICN12:55 pmIncheon Intl

$803

Air China

Dec 23

ICN11:10 amIncheon Intl

15h 40m

1 stop

LHR5:50 pmLondon Heathrow

Jan 2

LHR9:35 pmLondon Heathrow

30h 20m

1 stop

ICN12:55 pmIncheon Intl

$806

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 11/21

2:55 pm-7:10 pm

1 stop37h 15m

London Heathrow

Fri 11/27

9:10 pm-3:45 pm

1 stop33h 35m

$744

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sun 8/16

3:15 pm-7:50 pm

1 stop36h 35m

London Heathrow

Tue 8/25

8:25 pm-11:35 am

1 stop31h 10m

$745

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sun 7/26

3:15 pm-7:50 pm

1 stop36h 35m

London Heathrow

Fri 8/7

8:25 pm-10:00 pm

1 stop17h 35m

$747

Quickest round-trip

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 7/23

11:40 am-8:45 pm

1 stop17h 05m

London Heathrow

Mon 9/14

6:55 am-9:55 am

1 stop19h 00m

$749

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 12/1

12:55 pm-10:20 pm

1 stop18h 25m

London Heathrow

Mon 12/14

7:40 am-11:00 am

2 stops18h 20m

$750

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 7/8

9:30 am-5:50 pm

1 stop16h 20m

London Heathrow

Sat 7/11

8:05 pm-7:40 am

1 stop27h 35m

$754

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 7/16

9:25 am-6:05 pm

1 stop16h 40m

London Heathrow

Fri 7/24

10:10 pm-1:55 pm

1 stop31h 45m

$758

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 12/23

2:25 pm-5:50 pm

1 stop36h 25m

London Heathrow

Sat 1/2

8:25 pm-1:05 pm

1 stop31h 40m

$834

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 12/23

2:25 pm-5:50 pm

1 stop36h 25m

London Heathrow

Sat 1/2

8:25 pm-1:05 pm

1 stop31h 40m

$837

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sun 8/23

1:30 pm-6:05 pm

1 stop36h 35m

London Heathrow

Sun 8/30

9:00 pm-12:25 pm

1 stop31h 25m

$865

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 Seoul to London Heathrow Airport

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

Layovers

Other information

What is the typical price of a round-trip flight between Seoul and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Seoul, with most prices found around $372. If you’re not able to fly to London Heathrow Airport in October, then November is your next best option. Flight prices from Seoul to London Heathrow Airport during November average around $424.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Saturday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $773. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $1,258.

What is the cheapest Seoul to London Heathrow flight route?

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

How far in advance should I book a flight from Seoul to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $885 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Seoul for as low as $694 on momondo.

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

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

No. A direct flight is the cheapest option for a flight between Seoul to London Heathrow Airport.

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

As of June 2026, prices for Seoul to London Heathrow Airport flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Seoul to London Heathrow Airport

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

Estimated round-trip price

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

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

Best Price Found	$722
Fastest flight time	14h 25m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Seoul in the past 72 hours is $722. The best round-trip flight deal from Seoul to London Heathrow Airport found on momondo in the last 72 hours is $1,258.

The fastest flight from Seoul to London Heathrow Airport takes 14h 25m

Direct flights go from Seoul to London Heathrow Airport every day.

Search flight deals

Frequently asked questions about flying from Seoul to London Heathrow Airport

How far is Seoul to London Heathrow by plane?
A flight from Seoul to London Heathrow will travel around 5512.0 mi. In terms of flight time, this usually takes a little over 14h 25m.
When did momondo last update prices for flights from Seoul to London Heathrow Airport?
Prices for flights from Seoul to London Heathrow Airport were last updated today.
How many operators does momondo search for flights from Seoul to London Heathrow Airport?
As of June 2026, there are 3 operators available to choose from for flights from Seoul to London Heathrow Airport.
How old do you have to be to fly from Seoul to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Seoul to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Seoul to London Heathrow Airport is Boeing 787-9 Dreamliner, representing 39.69% of all bookings. The subsequent popular models are Boeing 777-300ER at 38.90%, Airbus A350-900 at 20.87%, and Boeing 747-8 at 0.34%.
What is the most popular airline from Seoul to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Seoul to London Heathrow Airport is Asiana Airlines, representing 100% of all bookings.

Best airlines flying from Seoul to London Heathrow Airport

Compare and see reviews for airlines that fly from Seoul to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
Asiana Airlines	PriceFrom $566	Free Cancellation	Rating 8.1 550 reviews	Search Asiana Airlines flights
Air China	PriceFrom $600	Free Cancellation	Rating 7.3 155 reviews	Search Air China flights
Lufthansa	PriceFrom $754	Free Cancellation	Rating 6.8 8,094 reviews	Search Lufthansa flights

Asiana Airlines Flights From Seoul to London Heathrow Airport
The lowest priced Asiana Airlines flight from Seoul to London Heathrow Airport from the last 72 hours was $566. Generally, Asiana Airlines has 7 flights on this route every week with an average price of $826. Asiana Airlines is rated 8.1/10 by our users.

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Milton Keynes

Luton

Hayes

Dover

Crawley

Croydon

Wembley

Stansted

Stratford-upon-Avon

Harrow

Slough

Watford

Cobham

Brentwood

Guildford

Ilford

Folkestone

Uxbridge

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Seoul.

Can I find flights from Seoul to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seoul to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Seoul to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seoul to London.

I’m not ready to book a flight from Seoul to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seoul to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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Flights to London Gatwick Airportfrom $162

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Flights to London City Airportfrom $168

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Flights to Belfast Intl Airportfrom $330

Flights to London Southend Airportfrom $678

Flights to Belfast City Airportfrom $330

Cheap flights from Seoul to London from $304

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to London departing on 10/25. 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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Lufthansa flights from Seoul to London Heathrow Airport

Our best Lufthansa deals on Seoul to London Heathrow Airport flight tickets

Air China flights from Seoul to London Heathrow Airport

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

momondo Fare Finder

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

See travel insights to London from

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

What is the typical price of a round-trip flight between Seoul and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest Seoul to London Heathrow flight route?

How far in advance should I book a flight from Seoul to London Heathrow Airport?

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

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

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

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

What airlines fly to London Heathrow Airport?

Which airport is the most popular layover for flights between Seoul and London Heathrow Airport?

Which layover airport offers the lowest fares from Seoul to London Heathrow Airport?

Which layover airport has the shortest travel time from Seoul to London Heathrow Airport?

Which layover airport has the shortest connection time from Seoul to London Heathrow Airport?

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

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

How long does it take to fly to London Heathrow Airport?

When to book flights from Seoul to London Heathrow Airport

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

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Seoul to London Heathrow Airport

Best airlines flying from Seoul to London Heathrow Airport

Compare and see reviews for airlines that fly from Seoul to London Heathrow Airport with momondo

Asiana Airlines Flights From Seoul to London Heathrow Airport

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

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