The flight time from Hong Kong to London, United Kingdom is:

12 hours, 29 minutes

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Flight map from Hong Kong to London, United Kingdom

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Flying time from Hong Kong to London, United Kingdom

The total flight duration from Hong Kong to London, United Kingdom is 12 hours, 29 minutes.

This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing. Your exact time may vary depending on wind speeds.

If you're planning a trip, remember to add more time for the plane to taxi between the gate and the airport runway. This measurement is only for the actual flying time. You should also factor in airport wait times and possible equipment or weather delays. If you're trying to figure out what time you'll arrive at the destination, you may want to see if there's a time difference between Hong Kong and London, United Kingdom.

The calculation of flight time is based on the straight line distance from Hong Kong to London, United Kingdom ("as the crow flies"), which is about 5,990 miles or 9 640 kilometers.

Your trip begins in Hong Kong.
It ends in London, United Kingdom.

Your flight direction from Hong Kong to London, United Kingdom is Northwest (-35 degrees from North).

The flight time calculator measures the average flight duration between points. It uses the great circle formula to compute the travel mileage.

Flight time calculator

Travelmath provides an online flight time calculator for all types of travel routes. You can enter airports, cities, states, countries, or zip codes to find the flying time between any two points. The database uses the great circle distance and the average airspeed of a commercial airliner to figure out how long a typical flight would take. Find your travel time to estimate the length of a flight between airports, or ask how long it takes to fly from one city to another.