Car Rental Boulder

Search and Compare from Car Companies in Boulder

Photo by flareforlife

Featured car rental suppliers

Compare from agencies

car suppliers logo

    protection illustration

    Change your mind

    Penalty-free cancellation on many/select car rentals
    trophy illustration

    Treat yourself

    One Key members save 10% or more on over 1 million car rentals
    package illustration

    Shop smart

    Compare car suppliers and package your flight, hotel, and car to save

Top Car Deals in Boulder

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

Don't see what you're looking for?

See all car rentals in Boulder
View all cars

Frequently asked questions

How much is a rental car per day in Boulder?
Making your way around Boulder doesn't have to drain your savings, with daily car rental prices starting at just within the past seven days.
Can I rent a car from Kalgoorlie - Boulder Airport (KGI)?
Europcar and Thrifty Car Rental are just a short drive from Kalgoorlie - Boulder Airport (KGI). After landing, it won't be long before you're cruising down the road.
What happens if I need to cancel my Boulder car reservation?
Our Customer Service Portal has all the info about cancellations. In the majority of situations, total refunds are provided if a prepaid booking is canceled more than six hours before picking up the car. Be sure to read your car rental agreement to double-check if there are any exemptions.
How do I find the best car rental deals in Boulder with Expedia?
Expedia makes it quick and easy to compare fees, offers and providers, and to check customer recommendations. Combine your Boulder car rental with hotel or flight bookings and you can make even bigger savings.
What do you need to rent a car in Boulder?
A current driver's license and a credit card in the same name. Opting out of the company's insurance plan? Then you may also need proof of your own coverage. Requirements can differ from rental company to rental company, so have a thorough read of your policy.
What is the cheapest car rental in Boulder?
The lowest rate for a car rental in Boulder within the past seven days was per day. The next best deal snapped up by happy travelers was . 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 Boulder?
Whether you have plans to hang around Boulder or discover what's beyond, you can reserve a long-term rental with Expedia. Enter your trip details and pick-up/drop-off locations and we'll help you find affordable long-term car rental deals.
Where can I find a Boulder car rental if I am younger than 25?
Some Boulder providers will rent cars to drivers under 25, and others won't. Policies differ between suppliers, so you'll want to do your homework. Also, find out if there are additional costs. Some places will apply a surcharge to young customers between the ages of 21 and 24. Always look through the terms and conditions so you know what to expect.
What insurance should I choose for my car rental in Boulder?
After carefuly planning your road trip, don't skimp on safety — purchase collision protection while reserving your Boulder car rental with Expedia. There are numerous advantages to this plan, including up to $35,000 in primary coverage for theft, accident damage and vandalism. Plus, with a zero-dollar deductible and 24/7 emergency assistance, you can breathe a little easier should you find yourself in a pickle.
Can I drive in Boulder with my current driver's license?
If you don't possess a driver's license issued in Australia, then you may need to get an International Driving Permit (IDP) in your home country to be allowed to rent a car. Please also consider that if an IDP is required, it has no validity on its own. You'll need to show your current driver's license your passport and other forms of identification as well. Lastly, it's important that the credit card you used to book the rental matches the name on your driver's license and passport. A few other things to note to rent a car internationally are:

  • Age restrictions: You need to be 25 or over in most countries to rent a car. If you're younger than that, it might still be possible to rent a car but you'll have to pay a Young Driver's Surcharge. Additional restrictions may also apply to what kinds of cars you can rent.
  • Driving limitations: Be sure to read the rules and regulations before sliding behind the wheel. Typically, you can't cross country borders, drive on ferries or off road with a rental car.

Car Rental Information

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

Finding the cheapest car rentals in Boulder

Using our Search Wizard

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

Renting a car in Boulder

Pay at pickup is available, so you don’t have to worry about spending your money until you arrive at your vehicle in Boulder. 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 Boulder

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

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.

Explore a world of travel with Expedia

Explore a world of travel with Expedia