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

LHR — ICN
6 Jul — 13 Jul1
1 adult

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 1 July 2025.

One-way from

£505

Return from

£794

Popular in

July

Cheapest in

November

Average price (all airlines)

£863
Korean Air
  • Korean Air
  • 1/9
  • Nonstop
  • 12h 40m total
  • London to Incheon
Korean Air
  • Korean Air
  • 27/9-13/10
  • Nonstop
  • 27h 05m total
  • London to Seoul
Highest demand for flights from London Heathrow to Incheon Intl; 14% potential price increase.
Best time to find cheap flights from London Heathrow to Incheon Intl; 2% potential price drop.
Average price for all London Heathrow to Incheon Intl flights (one-way and round-trip).
  • Can I get a flight from London Heathrow Airport to Incheon Intl Airport on Korean Air for under £1,200?

    Korean Air offers 1 flights from London Heathrow Airport to Incheon Intl Airport for under £1,200. Prices vary by date and time. To see all prices and select your dates, click here.

  • How do most travelers feel about Korean Air?

    100 Cheapflights users have left reviews for Korean Air and have rated the airline 7.6/10. 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 1 July 2025.

Tue 1/719:35LHR - ICN
Nonstop12h 40mKorean Air
Thu 3/710:55ICN - LHR
Nonstop14h 25mKorean Air
Deal found 29/6£1,060

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 27 June 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 September, with an average price of £650. 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 £802. 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 (1 on average). You will have fewer Korean Air flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals 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

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

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).

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 1 July 2025.

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 1 July 2025.
Korean Air
8.4
Very Good
1,101 reviews
Overview

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

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