What is the distance from Hong Kong to London?

The great-circle distance from Hong Kong to London is 5,984 miles (9,631 km).

What is the time difference between Hong Kong and London?

London is 7 hours behind of Hong Kong.

How much CO₂ does a flight from Hong Kong to London produce?

A nonstop flight from Hong Kong to London emits about 1425 kg of CO₂ per economy passenger — roughly 3.6× the emissions of an equivalent train trip.

✈ HKG → LHR

12H 13M FROM HONG KONG TO LONDON. THIS IS A LIFESTYLE NOW.

Flight time: 12h 13m

Distance: 5,984 mi

Or: 9,631 km

Jet lag: 7h

Flight from Hong Kong to London

From Hong Kong International (HKG), Hong Kong Asia → Heathrow (LHR), United Kingdom Europe

↔ Flying the other way? London → Hong Kong

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.

✈ Flight 1425 kg CO₂

🚗 Car (alone) 1647 kg CO₂

🚆 Train 395 kg CO₂

This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.

12H 13M FROM HONG KONG TO LONDON. THIS IS A LIFESTYLE NOW.

Flight from Hong Kong to London

How long is the flight from Hong Kong to London?

Time zones & jet lag

CO₂ footprint per passenger

Flights from Hong Kong

Nearest destinations

Long-haul from Hong Kong

More flights to Europe

Flights to London

Nearest origins

Long-haul to London

More flights from Asia