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

China Eastern, Etihad Airways, and Vietnam Airlines are the most popular carriers operating from Incheon Intl to London Heathrow

What airlines fly to London Heathrow Airport?

Asiana Airlines, Lufthansa and Korean Air are the top three most popular airlines that fly to London Heathrow Airport from Incheon Intl Airport according to our data. Asiana Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 4 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

Abu Dhabi (AUH) has the shortest average layover time for this route: 1h 40m.

What is the most punctual flight time for Incheon to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

How often are flights from Incheon to London delayed?

Historically, on average around 29% of flights between Incheon and London have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

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

Flights via Warsaw (WAW) offer the lowest average round-trip price of $564.

Which airline has the best punctuality record on Incheon to London flights?

According to our data, Korean Air have had the least number of delays on this route over the last 12 months; with about 21% of their flights experiencing any sort of delay.

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

Flights connecting via Beijing (PEK) have the shortest average one-way travel time: 15h 25m.

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

Abu Dhabi (AUH) was the most common stop: 25% of momondo users choosing 1-stop flights on this route connected there.

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

There are 4 operators available for flights from Incheon Intl Airport to London Heathrow Airport as of December 2025.

How old do you have to be to fly from Incheon Intl Airport 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 Incheon Intl Airport to London Heathrow Airport.

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

The necessary travel and health documents for your London Heathrow Airport 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.

$173 Cheap Flights from Incheon Intl Airport to London Heathrow Airport in 2025/26

Q: How many flights depart from Incheon Intl Airport to London Heathrow Airport on average per week?

As of December 2025, 21 flights take off from Incheon Intl Airport and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

Q: How many flights depart from Incheon Intl Airport to London Heathrow Airport on average per day?

As of December 2025, there are 3 flights per day flying from Incheon Intl Airport to London Heathrow Airport. The most common time of day flights depart is 10:00AM, with 66% of flights taking off at noon.

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Find the cheapest flights from Incheon Intl Airport to London

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Enter your travel dates to find the best prices.

2:40 pm - 5:50 pm

ICN

LHR

36h 10m1 stop

5:40 pm - 4:35 pm

LHR

ICN

13h 55m1 stop

$549Air China

Mon, Jan 19 - Thu, Jan 29

11:10 am - 5:50 pm

ICN

LHR

15h 40m1 stop

5:40 pm - 4:35 pm

LHR

ICN

13h 55m1 stop

$581Air China

Thu, Jan 29 - Thu, Feb 5

4:45 pm - 7:00 pm

ICN

LHR

34h 15m1 stop

10:10 pm - 1:55 pm

LHR

ICN

31h 45m1 stop

$592China Southern

Tue, Jun 2 - Wed, Jun 17

12:55 pm - 5:30 pm

ICN

LHR

37h 35m1 stop

9:00 pm - 8:35 pm

LHR

ICN

38h 35m2 stops

$598Multiple Airlines

Tue, Mar 3 - Mon, Mar 9

5:50 pm - 5:50 pm

ICN

LHR

33h 00m1 stop

9:00 pm - 8:45 pm

LHR

ICN

14h 45m1 stop

$600Multiple Airlines

Thu, Dec 25 - Tue, Jan 13

4:20 pm - 5:30 pm

ICN

LHR

34h 10m1 stop

9:10 pm - 3:45 pm

LHR

ICN

33h 35m1 stop

$615Multiple Airlines

Thu, Jan 22 - Fri, Jan 30

12:55 pm - 5:30 pm

ICN

LHR

37h 35m1 stop

9:00 pm - 8:45 pm

LHR

ICN

14h 45m1 stop

$621China Eastern

Tue, Jan 13 - Tue, Jan 27

5:50 pm - 5:50 pm

ICN

LHR

33h 00m1 stop

5:40 pm - 9:55 pm

LHR

ICN

19h 15m1 stop

$622Air China

Thu, Dec 25 - Thu, Jan 1

5:50 pm - 6:40 am

ICN

LHR

21h 50m1 stop

8:55 pm - 9:55 pm

LHR

ICN

16h 00m1 stop

$624Etihad Airways

Tue, Feb 24 - Thu, Mar 5

11:45 pm - 6:40 am

ICN

LHR

39h 55m1 stop

8:55 pm - 9:55 pm

LHR

ICN

16h 00m1 stop

$627Etihad Airways

Fri, Jan 30 - Thu, Feb 26

Etihad Airways flights from Incheon Intl Airport to London Heathrow Airport

Our best Etihad Airways deals on Incheon Intl Airport to London Heathrow Airport flight tickets

Etihad Airways

Dec 21

ICN11:45 pmIncheon Intl

27h 25m

1 stop

LHR6:10 pmLondon Heathrow

Jan 13

LHR1:55 pmLondon Heathrow

23h 00m

1 stop

ICN9:55 pmIncheon Intl

$614

Find similar

Etihad Airways

Dec 17

ICN5:50 pmIncheon Intl

21h 50m

1 stop

LHR6:40 amLondon Heathrow

Jan 14

LHR8:50 amLondon Heathrow

16h 55m

1 stop

ICN10:45 amIncheon Intl

$620

Find similar

Etihad Airways

Dec 17

ICN5:50 pmIncheon Intl

21h 50m

1 stop

LHR6:40 amLondon Heathrow

Jan 14

LHR8:50 amLondon Heathrow

16h 55m

1 stop

ICN10:45 amIncheon Intl

$621

Find similar

Air China flights from Incheon Intl Airport to London Heathrow Airport

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

Air China

Jan 19

ICN2:40 pmIncheon Intl

36h 10m

1 stop

LHR5:50 pmLondon Heathrow

Jan 29

LHR5:40 pmLondon Heathrow

13h 55m

1 stop

ICN4:35 pmIncheon Intl

$549

Find similar

Air China

Jan 29

ICN11:10 amIncheon Intl

15h 40m

1 stop

LHR5:50 pmLondon Heathrow

Feb 5

LHR5:40 pmLondon Heathrow

13h 55m

1 stop

ICN4:35 pmIncheon Intl

$596

Find similar

Air China

Dec 25

ICN5:50 pmIncheon Intl

33h 00m

1 stop

LHR5:50 pmLondon Heathrow

Jan 1

LHR5:40 pmLondon Heathrow

19h 15m

1 stop

ICN9:55 pmIncheon Intl

$622

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 1/19

2:40 pm-5:50 pm

1 stop36h 10m

London Heathrow

Thu 1/29

5:40 pm-4:35 pm

1 stop13h 55m

$549

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 1/29

11:10 am-5:50 pm

1 stop15h 40m

London Heathrow

Thu 2/5

5:40 pm-4:35 pm

1 stop13h 55m

$581

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 6/2

4:45 pm-7:00 pm

1 stop34h 15m

London Heathrow

Wed 6/17

10:10 pm-1:55 pm

1 stop31h 45m

$592

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 3/3

12:55 pm-5:30 pm

1 stop37h 35m

London Heathrow

Mon 3/9

9:00 pm-8:35 pm

2 stops38h 35m

$598

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 12/25

5:50 pm-5:50 pm

1 stop33h 00m

London Heathrow

Tue 1/13

9:00 pm-8:45 pm

1 stop14h 45m

$600

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 1/22

4:20 pm-5:30 pm

1 stop34h 10m

London Heathrow

Fri 1/30

9:10 pm-3:45 pm

1 stop33h 35m

$615

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 1/13

12:55 pm-5:30 pm

1 stop37h 35m

London Heathrow

Tue 1/27

9:00 pm-8:45 pm

1 stop14h 45m

$621

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 12/25

5:50 pm-5:50 pm

1 stop33h 00m

London Heathrow

Thu 1/1

5:40 pm-9:55 pm

1 stop19h 15m

$622

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 2/24

5:50 pm-6:40 am

1 stop21h 50m

London Heathrow

Thu 3/5

8:55 pm-9:55 pm

1 stop16h 00m

$624

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 1/30

11:45 pm-6:40 am

1 stop39h 55m

London Heathrow

Thu 2/26

8:55 pm-9:55 pm

1 stop16h 00m

$627

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 Incheon Intl Airport 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

Delays

Layovers

Other information

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

The month of March is, on average, the cheapest month to fly to London Heathrow Airport from Incheon Intl Airport, with most prices found around $643. If you’re not able to fly to London Heathrow Airport in March, then November is your next best option. Flight prices from Incheon Intl Airport to London Heathrow Airport during November average around $673.

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

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $902. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $1,111.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Incheon Intl Airport to London Heathrow Airport in the evening for as low as $977. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,017.

What is the cheapest Incheon Intl to London Heathrow flight route?

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

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

You are more likely to see cheaper flights to London Heathrow Airport from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $865 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 Incheon Intl Airport for as low as $748 on momondo.

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

There are 2 cabin classes available to choose from on Incheon Intl to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of December 2025, prices for Incheon Intl Airport to London Heathrow Airport flights are approximately 38% cheaper when compared to flights at the same time last year.

When to book flights from Incheon Intl Airport to London Heathrow Airport

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

Estimated round-trip price

Cheap Incheon Intl Airport to London Heathrow Airport (ICN to LHR) flight deals and tips

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

Best Price Found	$346
Fastest flight time	14h 30m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Incheon Intl Airport in the past 72 hours is $346. The best round-trip flight deal from Incheon Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is $670.

The fastest flight from Incheon Intl Airport to London Heathrow Airport takes 14h 30m

Direct flights go from Incheon Intl Airport to London Heathrow Airport every day.

Search flight deals

How far is Incheon Intl to London Heathrow by plane?
There are 5503.3 mi between Incheon Intl and London Heathrow. In terms of flight time, this usually takes a little over 14h 30m.
When did momondo last update prices for flights from Incheon Intl Airport to London Heathrow Airport?
Prices for flights from Incheon Intl Airport to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from Incheon Intl Airport to London Heathrow Airport?
There are 4 operators available for flights from Incheon Intl Airport to London Heathrow Airport as of December 2025.
How old do you have to be to fly from Incheon Intl Airport 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 Incheon Intl Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport 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 Incheon Intl Airport to London Heathrow Airport?
Based on momondo bookings for flights between Incheon Intl Airport and London Heathrow Airport, the leading plane model is Boeing 777-300ER, making up 50.40% of the total bookings. Other popular models include Airbus A350-900 with 44.04%, Boeing 787-9 Dreamliner with 2.61%, and Boeing 747-8 with 2.50%.
What is the most popular airline from Incheon Intl Airport to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Incheon Intl Airport to London Heathrow Airport is Asiana Airlines, representing 54% of all bookings. The subsequent popular airlines are Lufthansa at 17%, Korean Air at 16%, and Air China at 13%.

Best airlines flying from Incheon Intl Airport to London Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
Air China	PriceFrom $552	Free Cancellation	Rating 7.2 127 reviews	Search Air China flights
Asiana Airlines	PriceFrom $629	Free Cancellation	Rating 8.2 493 reviews	Search Asiana Airlines flights
Lufthansa	PriceFrom $754	Free Cancellation	Rating 6.8 7,628 reviews	Search Lufthansa flights
Korean Air	PriceFrom $847	Free Cancellation	Rating 8.4 1,186 reviews	Search Korean Air flights

Korean Air Flights From Incheon Intl Airport to London Heathrow Airport
Korean Air is one of the most popular airlines flying from Incheon Intl Airport to London Heathrow Airport, operating 7 flights/week on average for this route. A good Korean Air flight deal for Incheon Intl Airport to London Heathrow Airport starts from $847 round-trip, up to an average price of $1,103. Our users have rated Korean Air at 8.4/10.
Asiana Airlines Flights From Incheon Intl Airport to London Heathrow Airport
Asiana Airlines (8.2/10 from 493 reviews) operates around 7 flights from Incheon Intl Airport to London Heathrow Airport in any given week. The average Asiana Airlines airfare for this route is around $853, with deals from around $629 rare but found on momondo. Referenced prices are for round-trip Incheon Intl Airport to London Heathrow Airport flight searches in the last 72 hours.

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Cheap flights from Incheon Intl Airport to London from $173

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Incheon Intl Airport to London departing on 12/24. 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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Etihad Airways flights from Incheon Intl Airport to London Heathrow Airport

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Air China flights from Incheon Intl Airport to London Heathrow Airport

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How to get the cheapest flight ticket from Incheon Intl Airport to 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?

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $902. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $1,111.

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

What is the cheapest Incheon Intl to London Heathrow flight route?

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

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

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

There are 2 cabin classes available to choose from on Incheon Intl to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of December 2025, prices for Incheon Intl Airport to London Heathrow Airport flights are approximately 38% cheaper when compared to flights at the same time last year.

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

China Eastern, Etihad Airways, and Vietnam Airlines are the most popular carriers operating from Incheon Intl to London Heathrow

What airlines fly to London Heathrow Airport?

How often are flights from Incheon to London delayed?

Historically, on average around 29% of flights between Incheon and London have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

What is the most punctual flight time for Incheon to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Incheon to London flights?

According to our data, Korean Air have had the least number of delays on this route over the last 12 months; with about 21% of their flights experiencing any sort of delay.

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

Abu Dhabi (AUH) was the most common stop: 25% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Warsaw (WAW) offer the lowest average round-trip price of $564.

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

Flights connecting via Beijing (PEK) have the shortest average one-way travel time: 15h 25m.

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

Abu Dhabi (AUH) has the shortest average layover time for this route: 1h 40m.

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

As of December 2025, there are 3 flights per day flying from Incheon Intl Airport to London Heathrow Airport. The most common time of day flights depart is 10:00AM, with 66% of flights taking off at noon.

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

As of December 2025, 21 flights take off from Incheon Intl Airport and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

When to book flights from Incheon Intl Airport to London Heathrow Airport

Cheap Incheon Intl Airport to London Heathrow Airport (ICN to LHR) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

How far is Incheon Intl to London Heathrow by plane?

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

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

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

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

What is the most popular plane model from Incheon Intl Airport to London Heathrow Airport?

What is the most popular airline from Incheon Intl Airport to London Heathrow Airport?

Best airlines flying from Incheon Intl Airport to London Heathrow Airport

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

Korean Air Flights From Incheon Intl Airport to London Heathrow Airport

Asiana Airlines Flights From Incheon Intl Airport to London Heathrow Airport

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Why use momondo?

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

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

How can momondo help me find flights 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?