Flights from Hong Kong to Hanoi
We've seen return fares from $95, typically cheapest departing in October 2026. Nonstop flights are available on this route, taking around 4h 15m.
Hong Kong to Hanoi fares by month
Lowest return fare we've seen for each departure month. Prices update daily.
| Departure month | Lowest fare found |
|---|---|
| September 2026 | $99 |
| October 2026 | $95 · cheapest |
| November 2026 | $98 |
| December 2026 | $98 |
| January 2027 | $98 |
| March 2027 | $118 |
Prices last checked 2026-09-01. Fares change constantly — search for live availability.
Booking Hong Kong to Hanoi flights
Flymundus compares fares for Hong Kong–Hanoi across hundreds of airlines and online travel agencies at once. You book directly with the provider offering the fare — we add no booking fee or markup.
Nonstop flights are available on this route, taking around 4h 15m. We've seen return fares from $95, typically cheapest departing in October 2026.
Hanoi is Vietnam's capital, with a dense old quarter of trading streets, French colonial buildings and lakes throughout. Ha Long Bay and Sapa are the standard trips out.
Best time to visit Hanoi: October to April is cooler and drier. Summer is hot and humid with heavy rain.
Hong Kong to Hanoi: common questions
How much is a flight from Hong Kong to Hanoi?
The lowest return fare we've recorded on this route is $95. Prices move with season and demand, so search live fares for your dates.
What is the cheapest month to fly from Hong Kong to Hanoi?
October 2026 has shown the lowest fares in our data. The month-by-month table above shows how prices compare across the year.
Are there direct flights from Hong Kong to Hanoi?
Yes, nonstop flights operate on this route, with a typical flight time of about 4h 15m.
How long is the flight from Hong Kong to Hanoi?
A nonstop flight takes roughly 4h 15m. Connecting itineraries take longer depending on layover length.
When should I book flights from Hong Kong to Hanoi?
Fares on most long-haul routes are lowest 2–5 months ahead, and short-haul 3–8 weeks ahead. Check the monthly price table above for this route's own pattern rather than relying on a general rule.