✈ HKG → LHR
HONG KONG → LONDON IN 12H 13M. CONSIDER BUSINESS CLASS. NO, REALLY.
Flight from Hong Kong to London
From Hong Kong International (HKG), Hong Kong Asia → Heathrow (LHR), United Kingdom Europe
How long is the flight from Hong Kong to London?
A nonstop flight from Hong Kong (HKG) to London (LHR) takes about 12 hours 13 minutes, covering a great-circle distance of 5,984 miles (9,631 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
12h 13m
Nonstop, scheduled
Distance
5,984 mi
9,631 km · great-circle
Avg speed
788 km/h
Door-to-door including taxi
Time zones & jet lag
Hong Kong timezone
UTC+8
Asia/Hong_Kong
London timezone
UTC+1
Europe/London
Time difference
-7h
7 hours behind
Jet lag (rough)
~4.9d
Westward — easier
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.