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

LHR — ICN
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheapflights users flying from London to Seoul on Korean Air typically fly into Incheon Intl and depart from London Heathrow. Select your dates above for pricing.

Korean Air flights from Heathrow to Incheon Intl in 2025

Find detailed information about Korean Air flights from Heathrow to Incheon Intl. Explore the options provided by Korean Air to plan your journey from Heathrow to Incheon Intl. Data last updated 18 September 2025.

One-way from

£512

Return from

£797

Popular in

July

Cheapest in

November

Average price (all airlines)

£769
Korean Air
  • Korean Air
  • 15/11
  • Nonstop
  • 12h 35m total
  • London to Incheon
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Korean Air
  • Korean Air
  • 10/2-17/3
  • Nonstop
  • 27h 25m total
  • London to Seoul
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Highest demand for flights from London Heathrow to Incheon Intl; 14% potential price increase.
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Best time to find cheap flights from London Heathrow to Incheon Intl; 2% 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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  • Can I get a flight from London Heathrow Airport to Incheon Intl Airport on Korean Air for under £1,100?

    Korean Air offers 10 flights from London Heathrow Airport to Incheon Intl Airport for under £1,100. Prices vary by date and time. To see all prices and select your dates, click here.

  • How do most travelers feel about Korean Air?

    166 Cheapflights users have left reviews for Korean Air and have rated the airline 7.2/10. If you are looking to travel from London Heathrow Airport to Incheon Intl Airport on Korean Air, input your dates in the form above for our best prices!

Find Korean Air flight deals from Heathrow to Incheon Intl

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 18 September 2025.

Thu 30/1018:50LHR - ICN
Nonstop12h 35mKorean Air
Mon 10/1110:40ICN - LHR
Nonstop14h 50mKorean Air
Deal found 16/9£799
Thu 30/1018:50LHR - ICN
Nonstop12h 35mKorean Air
Mon 17/1110:40ICN - LHR
Nonstop14h 50mKorean Air
Deal found 16/9£802
Wed 29/1018:50LHR - ICN
Nonstop12h 35mKorean Air
Tue 4/1110:40ICN - LHR
Nonstop14h 50mKorean Air
Deal found 16/9£807

Travel insights for Korean Air flights from Heathrow to Incheon Intl

Get recent, data-driven insights about Korean Air flights from Heathrow to Incheon Intl including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Incheon Intl. Price data was last updated on 12 September 2025.

Booking with Korean Air 20 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 February, with an average price of £707. Conversely, traveling with Korean Air from London Heathrow Airport to Incheon Intl Airport in July will be the most expensive, with an average cost of £806. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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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 18 September 2025.
Korean Air flights from Heathrow to Incheon Intl
Korean Air flights from Heathrow to Seoul

See what others are saying about Korean Air

Read reviews and see what other travellers are saying about their experiences with Korean Air. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Korean Air for your next flight. Reviews last updated 18 September 2025.
Korean Air
8.4
Very Good
1,140 reviews
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Overview

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.5

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