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

LHR — ICN
10 Sep — 17 Sep1
1 adult
1 adult, Economy, 0 bags

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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 11 August 2026.

Wed 30/919:35 -
Nonstop12h 40m
Fri 27/1110:40 -
Nonstop14h 50m
Deal found 9/8£628
Sat 26/919:35 -
Nonstop12h 40m
Sun 29/1110:40 -
Nonstop14h 50m
Deal found 9/8£718
Wed 23/919:35 -
Nonstop12h 40m
Wed 30/910:55 -
Nonstop14h 25m
Deal found 8/8£795

Korean Air flights from Heathrow to Incheon Intl in 2026

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 11 August 2026.

One-way from

£556

Return from

£627

Popular in

July

Cheapest in

January

Average price (all airlines)

£788
Korean Air
  • Korean Air
  • 30/9
  • Nonstop
  • 12h 40m total
  • London to Incheon
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Korean Air
  • Korean Air
  • 11/10-10/12
  • Nonstop
  • 27h 30m total
  • London to Seoul
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Highest demand for flights from London Heathrow to Incheon Intl; 9% 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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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 38 days before departure. On average, fares are higher if you book 4 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 July and August.

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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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 11 August 2026.
Asiana Airlines flights from London Heathrow to Incheon Intl
China Southern flights from London Heathrow to Incheon Intl

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 11 August 2026.
Korean Air
8.4
Very Good
1,221 reviews
Check prices
Overview

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Comfort

8.3

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