Flights by month
Hong Kong to Hanoi flights, month by month (2026)
A typical return fare from Hong Kong to Hanoi for each of 7 months, from departures we researched across a year. September is the cheapest, at around Rp3.340.558. Researched figures, not quotes: the partner shows what it costs today.
Typical return fare by month
Cheapest in Sep 2026, about Rp3.340.558
Feb 2027 costs about Rp1.452.038 more.
Researched fares: Rp3.034.260 to Rp10.066.100 per person over 86 checks, last on 2026-09-07. · Cheapest direct researched: HK Express out, Sun PhuQuoc Airways back at Rp3.034.260.
From our own live checks: for each departure we sampled in the month, the cheapest return fare per person the newest check found, averaged. The same figures as the fare index, last checked 2026-09-06. Not a quote. What you pay depends on when you book. Departures from Sep 2026 to Mar 2027. How we work this out
Flying to Hanoi
- Fastest journey
- 2h 5m · Non-stop · Vietnam Airlines out, HK Express back
- Cheapest itinerary
- 2h 10m · Non-stop · HK Express
- Usually flown by
- HK Express, Vietnam Airlines, Cathay Pacific, China Eastern
- Carbon, one way
- 99 kg CO₂
From the 50 fares we researched for a 2027-08-28 departure, checked 2026-09-07. Outbound journey times. Not a quote. How we work this out
Common questions
When is the cheapest month to fly from Hong Kong to Hanoi?
From what we captured across a year of departures, September is the cheapest month to fly Hong Kong to Hanoi, at around Rp3.340.558 return. That is a researched figure from a dated snapshot, not a live quote, so check the price with a partner before you book.
When is the most expensive month to fly from Hong Kong to Hanoi?
February is the dearest month we captured for Hong Kong to Hanoi, at around Rp4.792.596 return, about Rp1.452.038 more than the cheapest month.
How long is the flight from Hong Kong to Hanoi?
About 2h 5m non-stop, from the itineraries we captured for Hong Kong to Hanoi.
Which airlines fly from Hong Kong to Hanoi?
The fares we captured for Hong Kong to Hanoi were on Vietnam Airlines, Cathay Pacific, Lufthansa, Condor, among others.