Cheap flights from London to Seoul
Cheapest current fares: $395 in September 2026, 8,862 km direct flight in ~10h 26m.
Cheapest month-by-month fares
Lowest available fare per calendar month from London (LHR) to Seoul (ICN). Refreshed daily.
London (LHR) → Seoul (ICN)
- September 2026 $395
- August 2026 $403
- October 2026 $425
- December 2026 $443
- November 2026 $456
- July 2026 $566
Frequently asked questions
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What is the cheapest month to fly from London to Seoul?
Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from London (LHR) to Seoul (ICN), with fares starting from $395.
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What is the lowest current fare from LHR to ICN?
The lowest currently-listed fare from London (LHR) to Seoul (ICN) is $395 on 2026-09-13.
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How long is the flight from London to Seoul?
Direct flights from LHR to ICN cover approximately 8,862 km (5,507 miles), with an estimated flight time of 10h 26m. Operating airlines: KE, OZ, VS.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.