Hong Kong to Hanoi (Soc Son)
1h 28m The flight from Hong Kong International Airport (HKG) to Noi Bai International Airport (HAN) covers 846 km (526 miles) and takes approximately 1h 28m gate to gate for a typical jet.
The route heads west on an initial great-circle bearing of 263°, passing near 21.8° N, 109.8° E at its midpoint.
The route
The great-circle path — the shortest line between the two airports across the curve of the earth. On a flat map it looks bent; on a globe it is straight.
Flight time at different cruise speeds
Aircraft type, winds and routing all move the real number. This is the same distance flown at different speeds, plus the 25-minute ground and climb allowance.
| Typical of | Cruise speed | Airborne | Gate to gate |
|---|---|---|---|
| Turboprop / regional | 550 km/h | 1h 32m | 1h 57m |
| Narrowbody jet (A320, 737) | 780 km/h | 1h 05m | 1h 30m |
| Widebody jet (777, 787, A350) | 900 km/h | 56m | 1h 22m |
| Private jet (Gulfstream) | 850 km/h | 1h 00m | 1h 25m |
Headwinds on an eastbound long-haul routinely add 30–60 minutes; the same route westbound can be quicker. Airlines publish schedules with padding built in.
Both airports
| HKG | HAN | |
|---|---|---|
| Airport | Hong Kong International Airport | Noi Bai International Airport |
| City | Hong Kong | Hanoi (Soc Son) |
| Country | Hong Kong | Vietnam |
| ICAO | VHHH | VVNB |
| Coordinates | 22.3118, 113.9149 | 21.2212, 105.807 |
| Elevation | 28 ft | 39 ft |
Questions
How long is the flight from Hong Kong to Hanoi (Soc Son)?
A non-stop flight from Hong Kong (HKG) to Hanoi (Soc Son) (HAN) takes about 1h 28m. The great-circle distance is 846 km (526 miles, 457 nautical miles), flying west on an initial bearing of 263°.
How far is Hong Kong from Hanoi (Soc Son)?
846 kilometres in a straight line over the earth's surface — 526 miles or 457 nautical miles. Actual flown distance is usually 2–5% longer because aircraft follow airways, avoid weather and route around restricted airspace.
Is there a non-stop flight between HKG and HAN?
This page calculates the direct-line time and distance; it does not track airline schedules. At 846 km the route is comfortably within range of a non-stop service if an airline chooses to fly it. Check an airline or booking site for what is actually scheduled.
Other routes from Hong Kong
Airport coordinates from OurAirports (public domain). Distance is a great-circle calculation; flight time uses the model described on the method page. Flight times are great-circle estimates for planning only — always check the airline's published schedule.