Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

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

Question 3

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

Accepted Answer

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.

Question 4

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

Accepted Answer

As of December 2025, prices for Incheon Intl Airport to London flights are approximately 20% cheaper when compared to flights at the same time last year.

Question 5

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

Accepted Answer

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

Question 6

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

Accepted Answer

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

Question 7

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

Accepted Answer

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

Question 8

What is the cheapest Incheon Intl to London flight route?

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

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.

Question 11

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

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $615 to $842.
The lowest price recently found on this route was $549.

Question 12

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

Accepted Answer

Shanghai (PVG) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

Question 13

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

Accepted Answer

Flying to London from Incheon Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $541 when looking at flights departing in the afternoon. Flights to London are more costly at noon, with an average ticket price of $1,017. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Question 14

What airlines fly to London?

Accepted Answer

Asiana Airlines, Lufthansa and Korean Air are the top three most popular airlines that fly to London 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. Keep in mind that there are 4 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Question 15

How often are flights from Incheon to London delayed?

Accepted Answer

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.

Question 16

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

Accepted Answer

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.

Question 17

What is the cheapest month to fly to London?

Accepted Answer

The cheapest month to fly to London from Incheon Intl Airport is in May. Flight prices, which tend to average around $561, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Incheon Intl Airport averaging around $669.

Question 18

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

Accepted Answer

As of December 2025, 3 flights take off from Incheon Intl Airport and land in London each day. The most common flight departure time for this route is 10:00AM, with 66% of daily flights taking off at noon.

Question 19

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

Accepted Answer

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 28m.

Question 20

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

Accepted Answer

The cheapest day to depart from Incheon Intl Airport to London is on a Monday. Travelers who choose to depart for London on a Monday will often find tickets for as low as $976. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,111. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Question 21

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

Accepted Answer

Prices for flights from Incheon Intl Airport to London are updated daily.

Question 22

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

Accepted Answer

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

Question 23

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

Accepted Answer

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.

Question 24

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

Accepted Answer

The necessary travel and health documents for your London 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.

Best Price Found	$346
Fastest flight time	14h 30m
Direct flights	Every day
Airports in London	6 airports

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 8.2 492 reviews	Search Asiana Airlines flights
Lufthansa	PriceFrom $754	Free Cancellation	Rating 6.8 7,626 reviews	Search Lufthansa flights
Korean Air	PriceFrom $847	Free Cancellation	Rating 8.4 1,184 reviews	Search Korean Air flights

Cheap flights from Incheon Intl Airport to London from $235

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 12/20. 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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How to get the cheapest flight ticket from Incheon Intl Airport to London

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

What is the cheapest month to fly to London?

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

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

What is the cheapest Incheon Intl to London flight route?

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

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

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

There are 2 cabin classes available to choose from on Incheon Intl to London 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 flight prices changed over time?

As of December 2025, prices for Incheon Intl Airport to London flights are approximately 20% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to London?

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?

Shanghai (PVG) was the most common stop: 38% 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?

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?

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?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 28m.

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

As of December 2025, 3 flights take off from Incheon Intl Airport and land in London each day. The most common flight departure time for this route is 10:00AM, with 66% of daily flights taking off at noon.

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

As of December 2025, 21 flights take off from Incheon Intl Airport and land in London 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

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