Currently, the cheapest month to rent a car at Watertown Airport is January. The most expensive time to rent a car is November. 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 34% on your car hire. For a below average price at Watertown Airport, Cheapflights recommends booking your car hire at least 64 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 Watertown Airport it should be possible to rent a car for a whole month if needed.