$94 Car Rental St. Mary, MT

Search and Compare from Car Companies in St. Mary

Photo by Gringa Vera Photography

Featured car rental suppliers

Compare from agencies

car suppliers logo

Change your mind: penalty-free cancellation on many/select car rentals

Treat yourself: One Key members save 10% or more on over 1 million car rentals

Shop Smart: Compare car suppliers and package your flight, hotel, and car to save

Top Car Deals in St. Mary

* Price found within the past 6 days. Click for updated prices.

Don't see what you're looking for?

See all car rentals in St. Mary
View all cars
Lowest prices found within the past 4 hours. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is a rental car per day in St. Mary?
Rental cars in St. Mary had a low daily rate of just $94 within the past seven days. At prices like this, you'll be zipping around in a cool set of wheels with money to spare.
What happens if I need to cancel my St. Mary car reservation?
If you need to change your plans, almost all prepaid bookings qualify for a complete refund. Just advise us at least six hours prior to the pickup time. Scan your rental agreement for any exclusions. Your confirmation will have more details, or simply click through to our Customer Service Portal for more info.
What types of cars can I rent in St. Mary?
If you'll be visiting busy cities, it's better to think small — like an economy-sized car. The most popular rental in St. Mary, they can easily navigate congested streets, slip into tight parking spaces and deliver excellent mileage. But there's nothing holding you back from thinking big either! Check out our mid-size or full-size options if you want some extra legroom, or take things to the next level with one of our stylish premium rides.
Where can I go on a road trip from St. Mary?
It's no secret that St. Mary is one of the top destinations in Blackfeet Indian Reservation. But you'll also find tons of other terrific spots to explore when you lock in a vehicle and hit the open road. Here are some suggestions to get your adventure off to a superb start:

  • Boasting attractions galore, Whitefish is around 50 mi from St. Mary. First stop on the itinerary? Make a beeline for Whitefish Mountain Ski Resort, one of the city's biggest highlights.
  • Another destination that's a hit with travelers is Kalispell, around 55 mi away. Majestic Valley Arena is just one of many reasons people keep coming back here.
  • After a long stint on the road, treat yourself to some time in nature at Steptoe Butte State Park. It's roughly 220 mi from St. Mary.

Why should I rent a St. Mary car with Expedia?
From exclusive offers and member prices to our awesome package deals, there are so many reasons to rent your next car with Expedia. Headed to St. Mary? There are suppliers to choose from, with plenty of vehicles to suit all styles and budgets. If you'd like to save more, combine your car rental with your flights and hotel. Ready to get into the driver's seat? We're ready to help get you on your way.
How do I find the best car rental deals in St. Mary with Expedia?
Browse our extensive selection of car rentals, check out customer reviews and compare prices from top suppliers. In just a few clicks, Expedia will help you nab the best deal on your ride. Got a hotel or flight booking? Add on your St. Mary car rental and save even more.
How old do you have to be to rent a car in St. Mary?
Drivers with a valid license aged 21 and above can rent a car in St. Mary. While some providers may be willing to accommodate drivers younger than 21, you can expect additional fees. Find out what age range the young driver surcharge applies to, and the associated cost, before booking. There are also restrictions on the types of cars young drivers can rent. Higher limits are in place for large vehicles like premium SUVs and luxury models.
What do you need to rent a car in St. Mary?
Before you can hit the road in St. Mary, you'll need a driver's license and a credit card in the same name. If you choose not to take out the company's insurance plan, you may also have to provide proof of your own coverage. Rules can vary, so read the policy terms and conditions before you choose a rental supplier.
What is the cheapest car rental in St. Mary?
The two cheapest daily rates offered in St. Mary within the past seven days were $94 and $213. Now that's what we'd call a fantastic deal! These rates were available on Expedia, with a rental starting date within the next year. Prices and availability are subject to change and additional terms apply.
Can I rent a car for a month or longer in St. Mary?
Yes, and you're sure to find your perfect wheels among our long-term car rental deals. Simply enter your trip information and we'll show you incredible offers from numerous reliable providers.
Where can I find a St. Mary car rental if I am younger than 25?
If you're a young driver looking for a car rental in St. Mary, we recommend reading the terms and conditions of the car rental companies you're interested in. Some may rent to drivers under the age of 25, some may not. Surcharges may apply if you're aged between 21 and 24. To avoid any surprises at the rental counter, make sure you know if any extra charges apply to you.
What insurance should I choose for my car rental in St. Mary?
It's a good idea to have collision damage protection to cover your St. Mary car rental against theft, vandalism and accident damage. And with Expedia, you can easily purchase this insurance for your vehicle at the time of booking. Providing up to $35,000 in primary coverage, it also offers round-the-clock emergency help and a zero-dollar deductible should you need to make a claim. Plans changed? If you cancel your insurance before your scheduled pick-up time, you'll get all your money back.

Car Rental Information

 
Popular car types
SUV, Full Size, Economy
 
Car suppliers available
 
Our best deal of the day
$94
 
Our second best deal of the day
$213
 
Our third best deal of the day
$223
 
From the airport to your hotel
Airport Transportation
 
From popular domestic and international airports
Airport Car Rentals

Finding the cheapest car rentals in St. Mary

Using our Search Wizard

If the deals that are available on our page do not suit your needs, then enter St. Mary into the search wizard at the top of the page. We will compare all the best deals available for your car rental in St. Mary and provide you with a list of the cheapest options, with no added fees.

Renting a car in St. Mary

Pay at pickup is available, so you don’t have to worry about spending your money until you arrive at your vehicle in St. Mary. We partner with reliable partners that guarantee an enjoyable experience for solo travelers, couples, and families. Package your car with a flight or hotel to unlock even more savings from Expedia.

Expected prices in St. Mary

Prices are subject to seasonal change depending on when you decide to arrange your car rental but right now you can book from $94.

Flexibility & Cancellation

Most car suppliers offer penalty-free cancellations, so you don’t have to worry about losing money if your plans change. To cancel your booking log into your account through the Trips portal. Click manage booking and cancel this car. If you needed to alter your booking, then you can create a new one once you have canceled.

We all love being rewarded

One Key members save 10% or more on select hotels, cars, activities and vacation rentals. Not only that, earn OneKeyCash for every dollar spent on eligible hotels, vacation rentals, flights, car rentals, and more when you book across our family of brands: Expedia, Hotels.com and VRBO. Learn more and join today.

Car classes available from Expedia in 2025

The classes of vehicles available will change depending on your chosen location.