Currently, the cheapest month to rent a car at Siem Reap Airport is February. The most expensive time to rent a car is October. The cheapest prices for each month are shown above, but prices will vary based on availability, how far out you book your rental car, and of course, car type.
Booking in advance not only ensures a better chance of getting your vehicle of choice, it can save you up to 38% on your car rental. For a below average price at Siem Reap Airport, Cheapflights recommends booking your car rental at least 90 days in advance.
The length of time you can book a rental for is subject to the inventory of the supplier. When renting a vehicle from Siem Reap Airport it should be possible to rent a car for a whole month if needed.