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

LHR — ICN
9 Dec — 16 Dec1
1 adult
1 adult, Economy, 0 bags

Find Korean Air flight deals from Heathrow to Incheon Intl

Enter your travel dates to find the best prices.

Cheapest Korean Air flights from Heathrow to Incheon Intl

Fri 6/1114:15 -
Nonstop12h 20m
Mon 16/1113:30 -
Nonstop14h 25m
Deal found 4/11£713
Mon 9/1114:30 -
Nonstop12h 10m
Tue 24/1113:30 -
Nonstop14h 25m
Deal found 4/11£714
Fri 13/1114:15 -
Nonstop12h 20m
Sat 21/1113:25 -
Nonstop14h 25m
Deal found 8/11£719

Korean Air flights from Heathrow to Incheon Intl in 2026

One-way from

£544

Return from

£728

Popular in

August

Cheapest in

January

Average price (all airlines)

£624
Korean Air
  • Korean Air
  • 21/11-31/12
  • Nonstop
  • 12h 10m total
  • London to Incheon
Korean Air
  • Korean Air
  • 23/1-30/1
  • Nonstop
  • 27h 25m total
  • London to Seoul
Highest demand for flights from London Heathrow to Incheon Intl; 11% potential price increase.
Best time to find cheap flights from London Heathrow to Incheon Intl; 1% potential price drop.
Average price for all London Heathrow to Incheon Intl flights (one-way and round-trip).

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.

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

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See what others are saying about Korean Air

Korean Air
8.4
Very Good
1,218 reviews
Overview

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Entertainment

8.2

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