Q: How much does it cost for a return flight from Incheon Intl Airport to London Heathrow Airport?

Airfare is below average for this route at the moment. Incheon Intl Airport to London Heathrow Airport flights typically cost between £535 and £766 in January. The cheapest return flight price found within the last 3 days was £409 on Multiple Airlines (25 Jan-29 Jan).

Question 1

Which airport typically offers the quickest stopover for flights from Incheon Intl Airport to London Heathrow Airport?

Accepted Answer

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 1h 28m.

Question 2

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

Accepted Answer

Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Question 3

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

Accepted Answer

Over the past year, Korean Air have had the lowest number of delays on this route, with just 21% of flights being delayed.

Question 4

What’s the top stopover airport for flights from Incheon Intl Airport to London Heathrow Airport?

Accepted Answer

Shanghai (PVG) – chosen by Cheapflights users on 19% of one-stop itineraries from Incheon Intl Airport to London Heathrow Airport on Cheapflights.

Question 5

How often are flights from Incheon to London delayed?

Accepted Answer

About 29% of weekly flights between Incheon and London have experienced delays in the past year, with the average delay time being 105 minutes.

Question 6

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

Accepted Answer

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Question 7

What’s the cheapest stopover airport for flights from Incheon Intl Airport to London Heathrow Airport?

Accepted Answer

Beijing (PKX) is the most affordable one-stop option, with an average return flight price of £446.

Question 8

How much does it cost for a return flight from Incheon Intl Airport to London Heathrow Airport?

Accepted Answer

Airfare is below average for this route at the moment.Incheon Intl Airport to London Heathrow Airport flights typically cost between £535 and £766 in January.
The cheapest return flight price found within the last 3 days was £409 on Multiple Airlines (25 Jan-29 Jan).

Question 9

What’s the fastest stopover option from Incheon Intl Airport to London Heathrow Airport?

Accepted Answer

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for one-stop routes: 16h 15m.

Question 10

How long is the flight from Incheon Intl Airport to London Heathrow Airport?

Accepted Answer

Etihad Airways, Shenzhen Airlines, and Scandinavian Airlines can get you from Incheon Intl Airport to London Heathrow Airport in just under 26h 55m. Your travel time can differ by up to 35h. Airlines will cover a distance of 5503 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

Question 11

What are the cheapest airlines flying from Incheon Intl Airport to London Heathrow Airport round-trip?

Accepted Answer

Our cheapest airline available from Incheon Intl Airport to London Heathrow Airport is China Eastern. Our recent data shows that you can find tickets from as low as £352 on this airline. Additional options worth looking into are Air China and Asiana Airlines, starting at £437 and £481 round-trip. China Eastern is currently priced 45% below the average price you’ll pay for this route.

Question 12

What are the cheapest airlines to fly from Incheon Intl Airport to London Heathrow Airport one-way?

Accepted Answer

The cheapet airlines for a one-way flight from Incheon Intl Airport to London Heathrow Airport are China Southern (£119), Air China (£131), and Etihad Airways (£243).

Question 13

How far ahead should I book a flight from Incheon Intl Airport to London Heathrow Airport?

Accepted Answer

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Incheon Intl Airport to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 14

What is the cheapest month to book a flight from Incheon Intl Airport to London Heathrow Airport?

Accepted Answer

Currently, March is the cheapest month in which you can book a flight from Incheon Intl Airport to London Heathrow Airport (average of £356). Flying from Incheon Intl Airport to London Heathrow Airport in July is currently the most expensive (average of £558). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 15

Weekly flight availability from Incheon Intl Airport to London Heathrow Airport

Accepted Answer

The most flights from ICN to LHR are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Question 16

E

Accepted Answer

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 17

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 18

What are the cheapest flights from Incheon Intl Airport to London Heathrow Airport?

Accepted Answer

While on average a flight from Incheon Intl Airport to London Heathrow Airport is generally £944, our data shows the cheapest flight currently is £252. When looking at the most popular route, (Incheon Intl - London Heathrow), you can expect to pay £369 for that flight.

Question 19

What are the most reliable airlines from Incheon Intl Airport to London Heathrow Airport?

Accepted Answer

The top 3 most reliable airlines when flying from Incheon Intl Airport to London Heathrow Airport are Virgin Atlantic (67%), Korean Air (67%) and Asiana Airlines (48%).

Question 20

What are the most popular airlines that fly from Incheon Intl Airport to London Heathrow Airport?

Accepted Answer

The most popular airlines flying from Incheon Intl Airport to London Heathrow Airport are Asiana Airlines, China Eastern and Korean Air. Something to consider prior to booking your flight.

Question 21

What is the cheapest time of day to fly from ICN to LHR?

Accepted Answer

When flying from Incheon Intl Airport to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 33% versus a flight at midday.

Question 22

Can I find deals for flights from Incheon Intl to Heathrow that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Incheon Intl to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 23

How can I find direct flights from Incheon Intl to Heathrow?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to Heathrow.

Question 24

Can I find deals for business class flights from Incheon Intl to Heathrow?

Accepted Answer

Yes. Cheapflights offers flight deals from Incheon Intl to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 25

How does Cheapflights help users find flights from Incheon Intl to Heathrow?

Accepted Answer

Cheapflights helps you search for flights from Incheon Intl to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 26

Why should you use Cheapflights to find cheap flight tickets from Incheon Intl to Heathrow?

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Incheon Intl to Heathrow.

Question 27

Can Cheapflights find flights from Incheon Intl to Heathrow with no change fees?

Accepted Answer

Certainly. Search results for flights to Heathrow from Incheon Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 28

Can Cheapflights notify me if prices for flights from Incheon Intl to Heathrow become cheaper?

Accepted Answer

Yes! Start tracking prices for Incheon Intl to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	£409
One-way from	£123
Popular in	October
Cheapest in	March
Average price	£585
Good round-trip deal	£481 or less
Good one-way deal	£438 or less

Airline	Cheapest	Average	Flexibility	On-time
China Eastern	Cheapest£352	Average£683	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Air China	Cheapest£437	Average£572	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Asiana Airlines	Cheapest£481	Average£548	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines flights
Korean Air	Cheapest£718	Average£816	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights

Cheap flights from Incheon Intl Airport to London Heathrow Airport from £123

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Incheon Intl to London Heathrow are usually found in March or November, booked 80 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Incheon Intl to Heathrow

Cheapest flights from Incheon Intl to HeathrowExplore the most affordable flight options available from Incheon Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 december 2025.

Explore the most affordable flight options available from Incheon Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 december 2025.

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Everything you need to know about your flight from Incheon Intl Airport to London Heathrow Airport

How far ahead should I book a flight from Incheon Intl Airport to London Heathrow Airport?

What is the cheapest month to book a flight from Incheon Intl Airport to London Heathrow Airport?

What is the cheapest time of day to fly from ICN to LHR?

How much does it cost for a return flight from Incheon Intl Airport to London Heathrow Airport?

Weekly flight availability from Incheon Intl Airport to London Heathrow Airport

How often are flights from Incheon to London delayed?

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

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

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

What’s the top stopover airport for flights from Incheon Intl Airport to London Heathrow Airport?

What’s the cheapest stopover airport for flights from Incheon Intl Airport to London Heathrow Airport?

What’s the fastest stopover option from Incheon Intl Airport to London Heathrow Airport?

Which airport typically offers the quickest stopover for flights from Incheon Intl Airport to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Incheon Intl Airport to London Heathrow Airport, such as Korean Air, Asiana Airlines, andChina Eastern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Incheon Intl Airport to London Heathrow Airport?

What are the cheapest airlines flying from Incheon Intl Airport to London Heathrow Airport round-trip?

What are the cheapest airlines to fly from Incheon Intl Airport to London Heathrow Airport one-way?

What are the most reliable airlines from Incheon Intl Airport to London Heathrow Airport?

What are the cheapest flights from Incheon Intl Airport to London Heathrow Airport?

Can I find deals for flights from Incheon Intl to Heathrow that include hotel bookings?

How can I find direct flights from Incheon Intl to Heathrow?

Can I find deals for business class flights from Incheon Intl to Heathrow?

What is the cheapest month to book a flight from Incheon Intl Airport to London Heathrow Airport?

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Top 4 airlines flying from Incheon Intl to Heathrow

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Can Cheapflights find flights from Incheon Intl to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Incheon Intl to Heathrow become cheaper?

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Cheapest flights from Incheon Intl to Heathrow
Explore the most affordable flight options available from Incheon Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 december 2025.