Cheap flights from Hanoi to Siem Reap from $103. Hanoi (Vietnam) - Siem Reap (Cambodia) return flights from $218. From 4/14/2025 (Monday) - 4/20/2025 (Sunday). 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.
Support and useful information