Cheap flights from Hanoi to Siem Reap
Cheapest current fares: $75 in August 2026, 888 km direct flight in ~1h 3m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Hanoi (HAN) to Siem Reap (SAI). Refreshed daily.
Hanoi (HAN) → Siem Reap (SAI)
- August 2026 $75
- September 2026 $75
- December 2026 $76
- October 2026 $77
- November 2026 $94
- January 2027 $106
Frequently asked questions
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What is the cheapest month to fly from Hanoi to Siem Reap?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Hanoi (HAN) to Siem Reap (SAI), with fares starting from $75.
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What is the lowest current fare from HAN to SAI?
The lowest currently-listed fare from Hanoi (HAN) to Siem Reap (SAI) is $75 on 2026-08-31.
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How long is the flight from Hanoi to Siem Reap?
Direct flights from HAN to SAI cover approximately 888 km (552 miles), with an estimated flight time of 1h 3m. Operating airlines: VJ, VN.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.