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

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

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

Flights connecting via Shanghai (PVG) have the shortest average one-way travel time: 17h 45m.

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

Tuesday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 21% of their flights experiencing any sort of delay.

Which airlines fly to London Heathrow Airport?

Asiana Airlines, Air China 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 travelling 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 stopover airport offers the lowest fares from Incheon Intl Airport to London Heathrow Airport?

Flights via Helsinki (HEL) offer the lowest average return price of £651.

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

Helsinki (HEL) has the shortest average stopover time for this route: 2h 23m.

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

Helsinki (HEL) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights departing 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 98 minutes.

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

The number of operators available for flights from Incheon Intl Airport to London Heathrow Airport is 4 as of January 2026.

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 travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£130 Cheap Flights from Incheon Intl Airport to London Heathrow Airport in 2026

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

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

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18:25 - 17:30

ICN

LHR

32h 05m

1 stop

21:00 - 15:05

LHR

ICN

33h 05m

1 stop

£340China Eastern

tis, 3 mar - mån, 9 mar

08:55 - 17:30

ICN

LHR

17h 35m

1 stop

21:00 - 20:45

LHR

ICN

14h 45m

1 stop

£341China Eastern

mån, 9 mar - mån, 16 mar

08:55 - 17:30

ICN

LHR

17h 35m

1 stop

21:00 - 20:45

LHR

ICN

14h 45m

1 stop

£341China Eastern

tors, 12 mar - sön, 15 mar

18:25 - 17:30

ICN

LHR

32h 05m

1 stop

21:00 - 20:45

LHR

ICN

14h 45m

1 stop

£344China Eastern

tis, 3 mar - mån, 9 mar

08:55 - 17:30

ICN

LHR

17h 35m

1 stop

21:00 - 20:45

LHR

ICN

14h 45m

1 stop

£347China Eastern

tis, 10 mar - mån, 16 mar

08:55 - 17:30

ICN

LHR

17h 35m

1 stop

21:00 - 20:45

LHR

ICN

14h 45m

1 stop

£347China Eastern

ons, 4 mar - fre, 13 mar

16:10 - 17:30

ICN

LHR

34h 20m

1 stop

21:00 - 11:55

LHR

ICN

29h 55m

1 stop

£348China Eastern

tis, 3 mar - lör, 7 mar

12:55 - 17:30

ICN

LHR

37h 35m

1 stop

21:00 - 20:45

LHR

ICN

14h 45m

1 stop

£349China Eastern

tis, 3 mar - ons, 11 mar

16:10 - 17:30

ICN

LHR

34h 20m

1 stop

21:00 - 15:20

LHR

ICN

33h 20m

1 stop

£350China Eastern

tis, 3 mar - lör, 7 mar

16:20 - 17:30

ICN

LHR

34h 10m

1 stop

21:00 - 11:55

LHR

ICN

29h 55m

1 stop

£351China Eastern

mån, 2 mar - lör, 7 mar

China Eastern flights from Incheon Intl Airport to London Heathrow Airport

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

China Eastern

3 Mar

ICN18:25Incheon Intl

32h 05m

1 stop

LHR17:30London Heathrow

9 Mar

LHR21:00London Heathrow

33h 05m

1 stop

ICN15:05Incheon Intl

£340

China Eastern

9 Mar

ICN08:55Incheon Intl

17h 35m

1 stop

LHR17:30London Heathrow

16 Mar

LHR21:00London Heathrow

14h 45m

1 stop

ICN20:45Incheon Intl

£341

China Eastern

12 Mar

ICN08:55Incheon Intl

17h 35m

1 stop

LHR17:30London Heathrow

15 Mar

LHR21:00London Heathrow

14h 45m

1 stop

ICN20:45Incheon Intl

£341

China Southern flights from Incheon Intl Airport to London Heathrow Airport

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

China Southern

8 Feb

ICN16:15Incheon Intl

35h 20m

1 stop

LHR18:35London Heathrow

11 Mar

LHR21:30London Heathrow

15h 45m

1 stop

ICN22:15Incheon Intl

£355

China Southern

3 Mar

ICN16:15Incheon Intl

35h 20m

1 stop

LHR18:35London Heathrow

12 Mar

LHR21:30London Heathrow

15h 45m

1 stop

ICN22:15Incheon Intl

£359

China Southern

8 Feb

ICN14:50Incheon Intl

36h 45m

1 stop

LHR18:35London Heathrow

11 Mar

LHR21:30London Heathrow

15h 45m

1 stop

ICN22:15Incheon Intl

£360

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.

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Fly to

Route

Depart

Return

Price

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

tis 3/3

18:25-17:30

1 stop32h 05m

London Heathrow

mån 9/3

21:00-15:05

1 stop33h 05m

£340

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mån 9/3

08:55-17:30

1 stop17h 35m

London Heathrow

mån 16/3

21:00-20:45

1 stop14h 45m

£341

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

tors 12/3

08:55-17:30

1 stop17h 35m

London Heathrow

sön 15/3

21:00-20:45

1 stop14h 45m

£341

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

tis 3/3

18:25-17:30

1 stop32h 05m

London Heathrow

mån 9/3

21:00-20:45

1 stop14h 45m

£344

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

tis 10/3

08:55-17:30

1 stop17h 35m

London Heathrow

mån 16/3

21:00-20:45

1 stop14h 45m

£347

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

ons 4/3

08:55-17:30

1 stop17h 35m

London Heathrow

fre 13/3

21:00-20:45

1 stop14h 45m

£347

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

tis 3/3

16:10-17:30

1 stop34h 20m

London Heathrow

lör 7/3

21:00-11:55

1 stop29h 55m

£348

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

tis 3/3

12:55-17:30

1 stop37h 35m

London Heathrow

ons 11/3

21:00-20:45

1 stop14h 45m

£349

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

tis 3/3

16:10-17:30

1 stop34h 20m

London Heathrow

lör 7/3

21:00-15:20

1 stop33h 20m

£350

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mån 2/3

16:20-17:30

1 stop34h 10m

London Heathrow

lör 7/3

21:00-11:55

1 stop29h 55m

£351

Flights are sorted by cheapest return 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

Stopovers

Other information

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

In general, November is the cheapest month to fly from Incheon Intl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £487. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Incheon Intl Airport averaging around £501.

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

On average, the least expensive day to fly to London Heathrow Airport from Incheon Intl Airport is on a Friday. momondo users have found tickets for Friday departures for as low as £485. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Tuesday is £760.

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 £649 when searching weeks before you fly. 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 £545 on momondo.

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

There are 4 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 January 2026, prices for Incheon Intl Airport to London Heathrow Airport flights are approximately 15% more expensive 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 return 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	£461
Fastest flight time	14h 30m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sat

The best one-way flight to London Heathrow Airport from Incheon Intl Airport in the past 72 hours is £461. The best return flight deal from Incheon Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is £864.

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 on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights..

Search flight deals

How far is Incheon Intl to London Heathrow by plane?
The straight-line distance from Incheon Intl to London Heathrow is 5503.3 mi. A reasonable flight in good conditions will take 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 refresh daily.
How many operators does momondo search for flights from Incheon Intl Airport to London Heathrow Airport?
The number of operators available for flights from Incheon Intl Airport to London Heathrow Airport is 4 as of January 2026.
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 travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Incheon Intl Airport to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Incheon Intl Airport to London Heathrow Airport is Boeing 777-300ER, representing 52.87% of all bookings. The subsequent popular models are Airbus A350-900 at 36.66%, Boeing 787-9 Dreamliner at 8.36%, and Boeing 747-8 at 1.71%.
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 Air China at 16%, Korean Air at 16%, and China Eastern at 14%.

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
China Eastern	PriceFrom £344	Free Cancellation	Rating 7.2 192 reviews	Search China Eastern flights
Air China	PriceFrom £428	Free Cancellation	Rating 7.2 138 reviews	Search Air China flights
Asiana Airlines	PriceFrom £471	Free Cancellation	Rating 8.1 501 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom £703	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights

Korean Air Flights From Incheon Intl Airport to London Heathrow Airport
Korean Air flight deals from Incheon Intl Airport to London Heathrow Airport start from £703 round-trip. Over the 7 Korean Air flights for this route in a normal week, average airfare is usually £799 round-trip - but some users have found much cheaper deals with momondo.
Asiana Airlines Flights From Incheon Intl Airport to London Heathrow Airport
£471 is the best Asiana Airlines flight deal from Incheon Intl Airport to London Heathrow Airport found on momondo over the last 72 hours. The average Asiana Airlines ticket price found was closer to £545, however, with flight time and availability significantly affecting the price. Asiana Airlines (8.1/10 from 501 user reviews) flies into London Heathrow Airport from Incheon Intl Airport 7 times in an average week so prices can vary.

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Cheap flights from Incheon Intl Airport to London from £130

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 12/3. 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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China Eastern flights from Incheon Intl Airport to London Heathrow Airport

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

China Southern flights from Incheon Intl Airport to London Heathrow Airport

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

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

See travel insights to London from

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?

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 4 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 January 2026, prices for Incheon Intl Airport to London Heathrow Airport flights are approximately 15% more expensive when compared to flights at the same time last year.

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

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

Which 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 98 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 departing 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 that experiences the fewest 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 fewest 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 for stopovers for flights between Incheon Intl Airport and London Heathrow Airport?

Helsinki (HEL) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

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

Flights via Helsinki (HEL) offer the lowest average return price of £651.

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

Flights connecting via Shanghai (PVG) have the shortest average one-way travel time: 17h 45m.

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

Helsinki (HEL) has the shortest average stopover time for this route: 2h 23m.

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

As of January 2026, there are 3 flights per day flying from Incheon Intl Airport to London Heathrow Airport. The most common time of day flights depart is 10:00, with 66% of flights taking off at midday.

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

21 flights are operational weekly from Incheon Intl Airport to London Heathrow Airport as of January 2026. The most popular departure day for this route is Mon, with 14% of flights per week 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?

An easier way to manage your London Heathrow Airport trip

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