Cheap flights from Hanoi to Siem Reap from $95. Hanoi (Vietnam) - Siem Reap (Cambodia) return flights from $189. From 3/29/2025 (Saturday) - 4/5/2025 (Saturday). Check for the dates with the lowest prices and find the cheapest rates.
The flight from Hanoi to Siem Reap has a duration of 1.45.
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