Trip.com
US$99Collected
Compare pricesFlights from Hong Kong to Hanoi
HKG → HAN · compared across 9 travel sites
- Flight time
- from 1h 40m nonstop
- Distance
- 846 km
- Typical one-way
- US$99
Compare Hong Kong → Hanoi prices on 9 travel sites
Add your dates and open the same search on each travel site to find the cheapest fare. You book directly with the provider.
Booking.com
US$202Collected
Compare pricesAgoda
US$122Collected
Compare pricesKayak
One of the largest flight metasearch engines worldwide.
Compare pricesKiwi.com
Virtual interlining specialist that mixes airlines creatively.
Compare pricesExpedia
Global OTA giant with package deals and member prices.
Compare pricesSkyscanner
The benchmark flight metasearch — “search everywhere”.
Compare pricesPriceline
Long-standing US OTA with express deals for flights.
Compare pricesMomondo
Kayak-family metasearch known for winning price comparisons.
Compare pricesFares auto-collected from partner search results on 2026-09-03 (one-way, economy).
Typical prices & when to book
Lowest fare collected
US$99
Trip.com
Auto-collected from Trip.com search results on 2026-09-03 (one-way, economy). Fares change constantly — click “Compare prices” for live fares.
Hong Kong → Hanoi route guide
The Hong Kong (HKG) to Hanoi (HAN) route covers roughly 846 km, with an estimated flight time of about 1h 40m for a nonstop service. Compare the travel sites above to find the best fare for your dates — availability and prices differ between them.
Departures use Hong Kong Intl; arrivals use Noi Bai. Both airports handle the route with regular schedules, so same-day connections and day trips are realistic options.
Hong Kong → Hanoi flight FAQ
How long is the flight from Hong Kong to Hanoi?
Nonstop flights from Hong Kong to Hanoi take about 1h 40m. The route covers approximately 846 km.
How do I find the cheapest flights from Hong Kong to Hanoi?
Compare the same dates across the 9 travel sites listed above — their fares differ by provider. Midweek departures, flexible dates and booking a few weeks ahead usually help.
Are there direct flights from Hong Kong to Hanoi?
Direct availability changes by season and carrier. The estimated nonstop flight time is about 1h 40m; one-stop options are widely available.