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

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

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, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

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 £679.

How often are flights from Incheon to London delayed?

Historically, on average around 25% 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 111 minutes.

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 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 airlines fly to London Heathrow Airport?

Asiana Airlines, China Eastern 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 47% of people opting to fly with this airline when travelling 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.

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.

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 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 3 as of October 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 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.

£158 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?

23 flights are operational weekly from Incheon Intl Airport to London Heathrow Airport as of October 2025. The most popular departure day for this route is Wed, with 22% of flights per week taking off on this day.

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11:10 - 17:50ICN-LHR

15h 40m1 stop

21:35 - 12:55LHR-ICN

30h 20m1 stop

£435Air China

Find Deal

Fri, 12 Dec - Sat, 20 Dec

11:10 - 17:50ICN-LHR

15h 40m1 stop

21:35 - 12:55LHR-ICN

30h 20m1 stop

£436Air China

Find Deal

Sun, 7 Dec - Sat, 20 Dec

14:40 - 15:55ICN-LHR

34h 15m1 stop

21:10 - 15:45LHR-ICN

33h 35m1 stop

£440Multiple Airlines

Find Deal

Sun, 28 Dec - Wed, 7 Jan

14:55 - 20:15ICN-LHR

38h 20m1 stop

21:10 - 13:55LHR-ICN

31h 45m1 stop

£441Multiple Airlines

Find Deal

Mon, 29 Dec - Fri, 9 Jan

09:25 - 17:55ICN-LHR

17h 30m1 stop

21:30 - 22:15LHR-ICN

15h 45m1 stop

£444China Southern

Find Deal

Fri, 27 Feb - Tue, 10 Mar

16:45 - 19:10ICN-LHR

35h 25m1 stop

21:10 - 13:55LHR-ICN

31h 45m1 stop

£451Shenzhen Airlines

Find Deal

Sat, 20 Dec - Wed, 31 Dec

18:25 - 17:30ICN-LHR

32h 05m1 stop

21:00 - 20:45LHR-ICN

14h 45m1 stop

£452China Eastern

Find Deal

Fri, 28 Nov - Fri, 5 Dec

14:55 - 19:10ICN-LHR

37h 15m1 stop

21:10 - 13:55LHR-ICN

31h 45m1 stop

£453Shenzhen Airlines

Find Deal

Sat, 20 Dec - Fri, 9 Jan

18:25 - 17:30ICN-LHR

32h 05m1 stop

21:00 - 15:05LHR-ICN

33h 05m1 stop

£456China Eastern

Find Deal

Mon, 12 Jan - Thu, 15 Jan

09:25 - 18:35ICN-LHR

18h 10m1 stop

21:30 - 22:15LHR-ICN

15h 45m1 stop

£457China Southern

Find Deal

Mon, 15 Dec - Sun, 4 Jan

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

27 Feb

ICN09:25Incheon Intl

17h 30m

1 stop

LHR17:55London Heathrow

10 Mar

LHR21:30London Heathrow

15h 45m

1 stop

ICN22:15Incheon Intl

£444

Find similar

China Southern

15 Dec

ICN09:25Incheon Intl

18h 10m

1 stop

LHR18:35London Heathrow

4 Jan

LHR21:30London Heathrow

15h 45m

1 stop

ICN22:15Incheon Intl

£457

Find similar

China Southern

22 Nov

ICN10:55Incheon Intl

40h 40m

1 stop

LHR18:35London Heathrow

2 Dec

LHR21:30London Heathrow

15h 45m

1 stop

ICN22:15Incheon Intl

£461

Find similar

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

28 Nov

ICN18:25Incheon Intl

32h 05m

1 stop

LHR17:30London Heathrow

5 Dec

LHR21:00London Heathrow

14h 45m

1 stop

ICN20:45Incheon Intl

£452

Find similar

China Eastern

4 Nov

ICN12:55Incheon Intl

37h 35m

1 stop

LHR17:30London Heathrow

5 Nov

LHR21:00London Heathrow

31h 30m

1 stop

ICN13:30Incheon Intl

£454

Find similar

China Eastern

12 Jan

ICN18:25Incheon Intl

32h 05m

1 stop

LHR17:30London Heathrow

15 Jan

LHR21:00London Heathrow

33h 05m

1 stop

ICN15:05Incheon Intl

£456

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.

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Route

Depart

Return

Price

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 12/12

11:10-17:50

1 stop15h 40m

London Heathrow

Sat 20/12

21:35-12:55

1 stop30h 20m

£435

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sun 7/12

11:10-17:50

1 stop15h 40m

London Heathrow

Sat 20/12

21:35-12:55

1 stop30h 20m

£436

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sun 28/12

14:40-15:55

1 stop34h 15m

London Heathrow

Wed 7/1

21:10-15:45

1 stop33h 35m

£440

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 29/12

14:55-20:15

1 stop38h 20m

London Heathrow

Fri 9/1

21:10-13:55

1 stop31h 45m

£441

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 27/2

09:25-17:55

1 stop17h 30m

London Heathrow

Tue 10/3

21:30-22:15

1 stop15h 45m

£444

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 20/12

16:45-19:10

1 stop35h 25m

London Heathrow

Wed 31/12

21:10-13:55

1 stop31h 45m

£451

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 28/11

18:25-17:30

1 stop32h 05m

London Heathrow

Fri 5/12

21:00-20:45

1 stop14h 45m

£452

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 20/12

14:55-19:10

1 stop37h 15m

London Heathrow

Fri 9/1

21:10-13:55

1 stop31h 45m

£453

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 12/1

18:25-17:30

1 stop32h 05m

London Heathrow

Thu 15/1

21:00-15:05

1 stop33h 05m

£456

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 15/12

09:25-18:35

1 stop18h 10m

London Heathrow

Sun 4/1

21:30-22:15

1 stop15h 45m

£457

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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 typical price of a round-trip flight between Incheon Intl Airport and London Heathrow Airport?

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

In general, March 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 £511. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Incheon Intl Airport averaging around £512.

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 Thursday. momondo users have found tickets for Thursday departures for as low as £573. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £831.

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 £513. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £865 on average. Flights to London Heathrow Airport from Incheon Intl Airport at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £586 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 October 2025, prices for Incheon Intl Airport to London Heathrow Airport flights are approximately 9% 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 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	£287
Fastest flight time	11h 30m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Incheon Intl Airport in the past 72 hours is £287. The best return flight deal from Incheon Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is £510.

The fastest flight from Incheon Intl Airport to London Heathrow Airport takes 11h 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?
The straight-line distance from Incheon Intl to London Heathrow is 5503.3 mi. A reasonable flight in good conditions will take 15h 40m.
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 3 as of October 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 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 Airbus A350-900, representing 52.25% of all bookings. The subsequent popular models are Boeing 777-300ER at 38.03%, Boeing 747-8 at 9.23%, and Embraer 190 at 0.24%.
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 47% of all bookings. The subsequent popular airlines are China Eastern at 28% and Korean Air at 25%.

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 £359	Free Cancellation	Rating 7.2 174 reviews	Search China Eastern flights
Asiana Airlines	PriceFrom £510	Free Cancellation	Rating 8.2 483 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom £733	Free Cancellation	Rating 8.4 1,155 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 £733 round-trip. Over the 8 Korean Air flights for this route in a normal week, average airfare is usually £833 round-trip - but some users have found much cheaper deals with momondo.
Asiana Airlines Flights From Incheon Intl Airport to London Heathrow Airport
£510 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 £751, however, with flight time and availability significantly affecting the price. Asiana Airlines (8.2/10 from 483 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 £158

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 7/11. 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 Southern flights from Incheon Intl Airport to London Heathrow Airport

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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

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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

What is the typical price of a round-trip flight between Incheon Intl Airport 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 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 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 October 2025, prices for Incheon Intl Airport to London Heathrow Airport flights are approximately 9% 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, Air China, and China Southern 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 25% 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 111 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, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 18% 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 £679.

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 October 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 10:00, with 55% of flights taking off at midday.

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

23 flights are operational weekly from Incheon Intl Airport to London Heathrow Airport as of October 2025. The most popular departure day for this route is Wed, with 22% 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?