Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

There are 3 cabin classes available to choose from on London Heathrow to Incheon Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 3

How often are flights from London to Incheon delayed?

Accepted Answer

Historically, on average around 14% of flights between London and Incheon have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

Question 4

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

Accepted Answer

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

Question 5

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

Accepted Answer

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

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

Accepted Answer

As of December 2025, 3 flights take off from London Heathrow Airport and land in Incheon Intl Airport each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

Question 7

What airlines fly to Incheon Intl Airport?

Accepted Answer

Lufthansa, Asiana Airlines and Korean Air are the top three most popular airlines that fly to Incheon Intl Airport from London Heathrow Airport according to our data. Lufthansa is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 4 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.

Question 8

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. Wednesday has historically seen more delays on average compared to the rest of the week.

Question 9

What is the cheapest month to fly to Incheon Intl Airport?

Accepted Answer

The cheapest month to fly to Incheon Intl Airport from London Heathrow Airport is in January. Flight prices, which tend to average around $663, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of January, then departing from London Heathrow Airport during the month November is also very affordable. Most momondo users find prices during this month for around $713.

Question 10

Can stopping save me money on London Heathrow Airport to Incheon Intl Airport flights?

Accepted Answer

You could potentially save up to 27% on your flight if you consider stops on a London Heathrow Airport to Incheon Intl Airport flight.

Question 11

Which airline has the best punctuality record on London to Incheon 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 13% of their flights experiencing any sort of delay.

Question 12

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

Accepted Answer

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

Question 13

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

Accepted Answer

As of December 2025, prices for London Heathrow Airport to Incheon Intl Airport flights are approximately 6% cheaper when compared to flights at the same time last year.

Question 14

How far in advance should I book a flight to Incheon Intl Airport?

Accepted Answer

You are more likely to see cheaper flights to Incheon Intl Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $936 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from London Heathrow Airport for as low as $798 on momondo.

Question 15

What is the cheapest day to depart on your flight to Incheon Intl Airport?

Accepted Answer

The cheapest day to depart from London Heathrow Airport to Incheon Intl Airport is on a Wednesday when prices can be found for as low as $1,182. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,286. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

Question 16

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

Accepted Answer

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Incheon Intl Airport when you can find flight prices for as low as $1,176. Flying to Incheon Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,262 on average. Flights to Incheon Intl Airport from London Heathrow Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

The number of operators available for flights from London Heathrow Airport to Incheon Intl Airport is 4 as of December 2025.

Question 19

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

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 London Heathrow Airport to Incheon Intl Airport.

Question 20

What documentation or ID do you need to fly to Incheon Intl Airport?

Accepted Answer

The required travel and health documents for your Incheon Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Incheon Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best Price Found	$649
Fastest flight time	12h 40m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
Air China	PriceFrom $530	Free Cancellation	Rating 7.2 135 reviews	Search Air China flights
Lufthansa	PriceFrom $620	Free Cancellation	Rating 6.8 7,666 reviews	Search Lufthansa flights
Korean Air	PriceFrom $821	Free Cancellation	Rating 8.4 1,184 reviews	Search Korean Air flights
Asiana Airlines	PriceFrom $947	Free Cancellation	Rating 8.2 502 reviews	Search Asiana Airlines flights

Cheap flights from London Heathrow Airport to Seoul from $347

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Seoul departing on 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London Heathrow Airport to Seoul

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Etihad Airways flights from London Heathrow Airport to Incheon Intl Airport

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

KLM flights from London Heathrow Airport to Incheon Intl Airport

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

momondo Fare Finder

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

See travel insights to Seoul from

How to get the cheapest flight ticket from London Heathrow Airport to Incheon Intl Airport

What is the cheapest month to fly to Incheon Intl Airport?

What is the cheapest day to depart on your flight to Incheon Intl Airport?

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

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

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

How far in advance should I book a flight to Incheon Intl Airport?

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

There are 3 cabin classes available to choose from on London Heathrow to Incheon Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to Incheon Intl Airport flights?

You could potentially save up to 27% on your flight if you consider stops on a London Heathrow Airport to Incheon Intl Airport flight.

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

As of December 2025, prices for London Heathrow Airport to Incheon Intl Airport flights are approximately 6% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to Incheon Intl Airport?

How often are flights from London to Incheon delayed?

Historically, on average around 14% of flights between London and Incheon have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

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

Generally, flights departing in the evening 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. Wednesday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Korean Air have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

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

As of December 2025, 3 flights take off from London Heathrow Airport and land in Incheon Intl Airport each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

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

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

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

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

Best Price Found

Fastest flight time

Direct flights

How far is London Heathrow to Incheon Intl by plane?

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

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

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

What documentation or ID do you need to fly to Incheon Intl Airport?

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

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

Best airlines flying from London Heathrow Airport to Incheon Intl Airport

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

Korean Air Flights From London Heathrow Airport to Incheon Intl Airport

Asiana Airlines Flights From London Heathrow Airport to Incheon Intl Airport

Traveling to a place near Seoul?

Why use momondo?

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

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

How can momondo help me find flights from London to Seoul?

I’m not ready to book a flight from London to Seoul right now. Can momondo alert me if prices change?

An easier way to manage your Incheon Intl Airport trip

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Seoul

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo