Can I get a flight from London Heathrow Airport to Incheon Intl Airport on Korean Air for under £831?

Korean Air offers 9 flights from London Heathrow Airport to Incheon Intl Airport for under £831. Prices vary by date and time. To see all prices and select your dates, click here.

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

Booking with Korean Air 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Incheon Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, the most affordable month to book a Korean Air flight from London Heathrow Airport to Incheon Intl Airport in March, with an average price of £774. Conversely, traveling with Korean Air from London Heathrow Airport to Incheon Intl Airport in August will be the most expensive, with an average cost of £1,140. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Korean Air flight availability from London Heathrow Airport to Incheon Intl Airport

The most Korean Air flights from LHR to ICN are scheduled on a Monday (2 on average). You will have fewer Korean Air flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 20.0 - 260.0 inches per month. July is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 20.0 mm.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -2.0 C).

£526+ Korean Air Flights from Heathrow to Incheon Intl

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Cheapest Korean Air flights from Heathrow to Incheon Intl
Explore the most affordable Korean Air flight options available from Heathrow to Incheon Intl. Find the lowest fares with prices last updated on 12 October 2026.

Fri 20/1118:50 -

Nonstop12h 35m

Sun 29/1110:40 -

Nonstop14h 50m

Deal found 8/10£526

Mon 2/1118:50 -

Nonstop12h 35m

Tue 10/1110:40 -

Nonstop14h 50m

Deal found 11/10£531

Thu 29/1018:50 -

Nonstop12h 35m

Thu 5/1110:40 -

Nonstop14h 50m

Deal found 9/10£549

Can I get a flight from London Heathrow Airport to Incheon Intl Airport on Korean Air for under £831?
Korean Air offers 9 flights from London Heathrow Airport to Incheon Intl Airport for under £831. Prices vary by date and time. To see all prices and select your dates, click here.

Korean Air flights from Heathrow to Incheon Intl in 2026

One-way from	£533
Return from	£526
Popular in	August
Cheapest in	January
Average price (all airlines)	£804

Korean Air
2/11-31/12
Nonstop
12h 35m total
London to Incheon

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Korean Air
20/11-29/11
Nonstop
27h 25m total
London to Seoul

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Highest demand for flights from London Heathrow to Incheon Intl; 13% potential price increase.

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Best time to find cheap flights from London Heathrow to Incheon Intl; 1% potential price drop.

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Average price for all London Heathrow to Incheon Intl flights (one-way and round-trip).

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The best time to book a flight to Incheon Intl Airport with Korean Air is 37 days before departure. On average, fares are higher if you book 18 days before departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to Incheon Intl Airport?

For Economy class flights, the cheapest month to fly this route is March. The most expensive months are August and July.

Best time to book a flight from Heathrow to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Heathrow with our price prediction graph.

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Korean Air flights from London Heathrow Airport to Incheon Intl Airport (LHR - ICN)

Find Korean Air flight deals from Heathrow to Incheon Intl

Cheapest Korean Air flights from Heathrow to Incheon IntlExplore the most affordable Korean Air flight options available from Heathrow to Incheon Intl. Find the lowest fares with prices last updated on 12 October 2026.

Explore the most affordable Korean Air flight options available from Heathrow to Incheon Intl. Find the lowest fares with prices last updated on 12 October 2026.

Best Korean Air flights from Heathrow to Incheon IntlDiscover carefully curated Korean Air flight deals from Heathrow to Incheon Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 October 2026.

Discover carefully curated Korean Air flight deals from Heathrow to Incheon Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 October 2026.

Direct Korean Air flights from Heathrow to Incheon IntlExplore direct Korean Air flight options from Heathrow to Incheon Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 October 2026.

Explore direct Korean Air flight options from Heathrow to Incheon Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 October 2026.

Last-minute Korean Air flights from Heathrow to Incheon IntlDiscover last-minute Korean Air flight deals from Heathrow to Incheon Intl. Data last updated 12 October 2026 and is based on user searches.

Discover last-minute Korean Air flight deals from Heathrow to Incheon Intl. Data last updated 12 October 2026 and is based on user searches.

One-way Korean Air flights to Incheon IntlSearch for one-way Korean Air flight options to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.

Search for one-way Korean Air flight options to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.

Can I get a flight from London Heathrow Airport to Incheon Intl Airport on Korean Air for under £831?

Korean Air flights from Heathrow to Incheon Intl in 2026

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Popular in

Cheapest in

Average price (all airlines)

When is the best time to book a flight to Incheon Intl Airport with Korean Air?

The best time to book a flight to Incheon Intl Airport with Korean Air is 37 days before departure. On average, fares are higher if you book 18 days before departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to Incheon Intl Airport?

For Economy class flights, the cheapest month to fly this route is March. The most expensive months are August and July.

Weekly Korean Air flight availability from London Heathrow Airport to Incheon Intl Airport

The most Korean Air flights from LHR to ICN are scheduled on a Monday (2 on average). You will have fewer Korean Air flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Incheon Intl by month

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 20.0 - 260.0 inches per month. July is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 20.0 mm.

Temperature in Incheon Intl by month

Best time to book a flight from Heathrow to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Heathrow with our price prediction graph.

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Fly from Heathrow to Incheon Intl on another airline

Consider alternative airlines that service the Incheon Intl area. Flight routes are based on user searches made on Cheapflights and were last updated on 12 October 2026.

Other Korean Air flights from Heathrow

Browse through other Korean Air flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 12 October 2026.

Complete your trip

Complete your trip to Incheon Intl by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines servicing Heathrow and Incheon Intl

Choose from other airlines serving Heathrow and Incheon Intl.

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If Incheon Intl is not for you, choose from these other destinations located in Asia. Flight routes are based on user searches made on Cheapflights and were last updated on 12 October 2026.

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Browse through some of the most popular routes that Korean Air offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 12 October 2026.

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Cheapest Korean Air flights from Heathrow to Incheon Intl
Explore the most affordable Korean Air flight options available from Heathrow to Incheon Intl. Find the lowest fares with prices last updated on 12 October 2026.

Best Korean Air flights from Heathrow to Incheon Intl
Discover carefully curated Korean Air flight deals from Heathrow to Incheon Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 October 2026.

Direct Korean Air flights from Heathrow to Incheon Intl
Explore direct Korean Air flight options from Heathrow to Incheon Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 October 2026.

Last-minute Korean Air flights from Heathrow to Incheon Intl
Discover last-minute Korean Air flight deals from Heathrow to Incheon Intl. Data last updated 12 October 2026 and is based on user searches.

One-way Korean Air flights to Incheon Intl
Search for one-way Korean Air flight options to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.