Flights by month
Hong Kong to Siem Reap flights, month by month (2026)
A typical return fare from Hong Kong to Siem Reap for each of 7 months, from departures we researched across a year. September is the cheapest, at around Rp6.301.277. Researched figures, not quotes: the partner shows what it costs today.
Typical return fare by month
Cheapest in Sep 2026, about Rp6.301.277
Feb 2027 costs about Rp1.887.978 more.
Researched fares: Rp5.709.274 to Rp12.134.900 per person over 51 checks, last on 2026-09-07.
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 Siem Reap
- Fastest journey
- 5h 25m · 1 stop · Thai Airways + Bangkok Airways
- Cheapest itinerary
- 24h 55m · 1 stop · Vietnam Airlines
- Usually flown by
- Vietnam Airlines, Bangkok Airways, Emirates, Thai Airways
- Carbon, one way
- 220 kg CO₂
From the 50 fares we researched for a 2027-08-21 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 Siem Reap?
From what we captured across a year of departures, September is the cheapest month to fly Hong Kong to Siem Reap, at around Rp6.301.277 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 Siem Reap?
February is the dearest month we captured for Hong Kong to Siem Reap, at around Rp8.189.255 return, about Rp1.887.978 more than the cheapest month.
How long is the flight from Hong Kong to Siem Reap?
About 5h 25m with 1 stop, from the itineraries we captured for Hong Kong to Siem Reap.
Which airlines fly from Hong Kong to Siem Reap?
The fares we captured for Hong Kong to Siem Reap were on Bangkok Airways, Cambodia Airways, Cathay Pacific, THAI, among others.