✈ LHR → ICN
LONDON → SEOUL IN 11H 18M. CONSIDER BUSINESS CLASS. NO, REALLY.
Flight from London to Seoul
From Heathrow (LHR), United Kingdom Europe → Incheon (ICN), South Korea Asia
↔ Flying the other way? Seoul → London
How long is the flight from London to Seoul?
A nonstop flight from London (LHR) to Seoul (ICN) takes about 11 hours 18 minutes, covering a great-circle distance of 5,506 miles (8,861 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
11h 18m
Nonstop, scheduled
Distance
5,506 mi
8,861 km · great-circle
Avg speed
784 km/h
Door-to-door including taxi
Time zones & jet lag
London timezone
UTC+1
Europe/London
Seoul timezone
UTC+9
Asia/Seoul
Time difference
+8h
8 hours ahead
Jet lag (rough)
~8d
Eastward — worse
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.
Flights from London
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Flights to Seoul
- Shanghai → Seoul
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- Dubai → Seoul
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- Helsinki → Seoul
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- Stockholm → Seoul
- Oslo → Seoul
- Warsaw → Seoul