Cheap Car Rentals in Portsmouth, NH from $36
This price is the cheapest per day rate found by a Cheapflights user in the last 48 hours by searching for a car rental in Portsmouth with a pick-up date of 12/4 and drop-off date of 12/11. Fares are subject to change and may not be available at all agencies or on all dates of rental.
Best car rental deals found in Portsmouth
Browse through a selection of recently found affordable car rental deals in Portsmouth, NH. Plan your trip with ease and find the perfect rental option for your needs. There are currently 4 rental car agencies in Portsmouth, NH with an average daily rate of $50. Data was last updated on November 9, 2026.
Cheapflights insights for Portsmouth car rentals
Get relevant, data-driven information to help you rent a car in Portsmouth, including pricing trends, ideal booking times, and more.
How far in advance should I rent a car in Portsmouth?
Book your rental car in Portsmouth 83 days before your pickup date to maximize your savings Car rental prices are around $35/day on average when booked 83 days ahead, which saves you 57% off the usual average price.
What is the best car rental company in Portsmouth?
Based on Cheapflights user feedback, the highest rated car rental company in Portsmouth is Enterprise Rent-A-Car (rated 9.4/10 with 5 reviews). Hertz (rated 7.0/10) is also highly rated by our users.
What is the cheapest month to rent a car in Portsmouth?
The cheapest month to rent a car in Portsmouth is March where you can expect to pay $62/day on average. The most expensive month to rent a car in Portsmouth is July ($110/day on average). The average daily rental price for each month is shown below. Keep in mind that prices will vary based on availability, when you book, and the type of car you rent.
January
$64
February
$70
March
$62
April
$64
May
$74
June
$105
July
$110
August
$109
September
$81
October
$101
November
$65
December
$68
What car do most people rent in Portsmouth?
The most popular types of cars to rent in Portsmouth are the following: SUV rentals (Chevrolet Equinox or similar), Economy rentals (Mitsubishi Mirage or similar), and Standard rentals (Volkswagen Jetta or similar).
Which car rental company has the most locations in Portsmouth?
Enterprise Rent-A-Car has 5 locations throughout the area, more than any other company. Easirent has the second highest number of locations in Portsmouth at 1.
Top rental agencies in Portsmouth, NH
Explore the leading car rental agencies in Portsmouth, NH known for their outstanding service and extensive range of vehicles to choose from. There are currently 4 car rental companies in Portsmouth, NH. Reviews were last updated on November 9, 2026.
Enterprise Rent-A-Car
Overview
Cleanliness
Comfort
Overall
Pick-up/drop-off
Value
View Enterprise Rent-A-Car Locations in Portsmouth
Hertz
Overview
Cleanliness
Comfort
Overall
Pick-up/drop-off
Value
View Hertz Locations in Portsmouth
Dollar
View Dollar Locations in Portsmouth
Easirent
View Easirent Locations in Portsmouth
Car rental FAQs
Find answers to frequently asked questions about car rentals in Portsmouth, NH, including policies, requirements, and more. FAQs were last updated on November 9, 2026.
How much does it cost to rent a car in Portsmouth for a week from Enterprise Rent-A-Car?
Renting a car in Portsmouth for a week can be a great option for travel. Enterprise Rent-A-Car, the most popular car rental company for this area, offers rental cars for around $775/week on average.
Can I rent a car for a month in Portsmouth?
Typically how long you can rent a car for depends on the inventory of the supplier. For Portsmouth however, it is certainly possible to rent a car for an entire month.
How much is a car rental in Portsmouth for a weekend?
It costs $0 for a weekend car rental in Portsmouth, on average. The cheapest type of car rental you can book on any given weekend is the Compact SUV as prices are generally lower for these rental types due to demand and availability. If you’re planning to book a rental car in Portsmouth in December, prices are $92 per day on average.