Portsmouth Intl. Airport Car Rental

Search and Compare from car companies in Portsmouth Intl.

Compare car suppliers to unlock big savings, and package your flight, hotel, and car to save even more.

Members save 10% more on select hotels, cars, activities and holiday rentals. Sign up.Opens in a new window

Enjoy maximum flexibility with penalty-free cancellation on most car rentals.

Beautiful view of the beach with palm trees

Black Friday: Members save 30%+

Members save 30%+ on selected hotels until December 4 with our Black Friday deals. Stay by December 15, 2025.
Unlock Black Friday deals

Frequently asked questions

Can I rent a car from Portsmouth Intl. Airport (PSM)?
Sure, and you can do so with Enterprise. Picking up a rental car from Portsmouth, NH (PSM-Portsmouth Intl.) is the most convenient way to begin your travels.
What happens if I need to cancel my Portsmouth, NH (PSM-Portsmouth Intl.) car reservation?
Even the best-laid plans can get upended. That’s why bookings paid upfront are eligible for a full refund if you notify us at least six hours in advance of the pickup time. Be sure to check your rental policy to see if your reservation qualifies. If you’re looking for more information, click through to our Customer Service Portal.
Why should I rent a Portsmouth, NH (PSM-Portsmouth Intl.) car with Expedia?
There are tons of reasons to book your next car rental with Expedia. Check out our quality vehicles at Portsmouth, NH (PSM-Portsmouth Intl.) and we’ll make sure you get the best deal with our member prices and exclusive offers. Want to save even more? Combine your rental car, hotels and flights into a package. The more you book and travel with Expedia, the greater the perks!
How do I find the best car rental deals at Portsmouth, NH (PSM-Portsmouth Intl.) with Expedia?
Check out reviews and ratings, choose your preferred ride and compare prices from top brands. Expedia makes it easy to score the best deal on your rental wheels. Bundle your Portsmouth, NH (PSM-Portsmouth Intl.) car rental with flight or hotel bookings and cruise off with even bigger savings.
What do you need to rent a car from Portsmouth, NH (PSM-Portsmouth Intl.)?
The main essentials are your driver’s license and a credit card. If you plan to opt out of the outlet’s insurance policy, your own proof of coverage may also be required. Make sure you check well in advance to avoid any delays.
Can I rent a car for a month or longer from Portsmouth, NH (PSM-Portsmouth Intl.)?
You can. Whether you want a rental car for a couple of weeks or a month, Expedia makes it a breeze for you to score your perfect ride. Visit our long-term car rental deals page, explore your options and drive out of Portsmouth, NH (PSM-Portsmouth Intl.) with a fantastic bargain.
Where can I find a Portsmouth, NH (PSM-Portsmouth Intl.) car rental if I am younger than 25?
If you’re under the age of 25, you’ll need to check the age policies of the Portsmouth, NH (PSM-Portsmouth Intl.) rental car providers. While some may rent to younger drivers, additional fees often apply. Others may not rent to drivers under 25 at all. Shop around to find a supplier that fits your requirements.