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Car rental in Boulder County

Use the same magic that powers our flight search to find cheap car rentals in Boulder County

Compare car rentals on price, ease of pickup, a fair fuel policy, and more

Find Boulder County car rental deals you can modify or cancel if your plans change

Boulder County car rental at a glance

Most popular rental companyHertz
Most popular carPremium, Pickup
Cheapest price found$96 per day, Boulder
Best time to book1 week before
To give you an idea of how much renting a car in Boulder County could cost, we've pulled prices from Boulder.

Choose from car rental companies you trust

Explore Boulder County

All you need to know about Boulder County

Side of the roadRight
CurrencyUS Dollar
LanguageEnglish
Highway speed limitVaries from state to state
Built-up area speed limitVaries from state to state
Age to rent a car21
The information here is based on our understanding as of January 2024. For the most current and accurate information, it’s recommended to check official government sources.

Car rental in Boulder County: FAQs

You will need insurance to rent a car in Boulder County, but you won't necessarily need "extra" insurance. Different car rental companies offer different insurance policies, so make sure you look at the details when you pick a deal.
To rent a car with most companies in Boulder County, you need to be at least 21 years old. Some companies may have extra fees to pay if you are under 25 years old, so make sure you check before you book.
The types of documents you’ll need to rent a car in Boulder County depend on the car rental company you go with. But in general, you will need a valid driver's license, ID, and passport. Once you’ve booked a car rental in Boulder County, you can easily get in touch with your chosen provider to find out.
It’s easy to rent a car in Boulder County. First, you need to decide where in Boulder County you want to pick up your car from.

Once you’ve decided where you want to go, simply enter your dates and search for the best deal for you. Once you’ve found your deal, you’ll be redirected to the provider to book with no extra fees.
You can rent a car for as long as you like, depending on availability. If you know what dates you’re needing wheels for, start searching with Skyscanner today.
You may need a credit card to rent a car in Boulder County. It all depends on which car rental company you choose.

Getting the cheapest car rental in Boulder County

Here are some tips to help you score the best prices and hit the road for less.

Pick the right ride

Make sure you pick the right type of car for your trip. You can easily filter by "seats" and "transmission," and even choose only to see "electric" or "hybrid" vehicles. You can also filter by "car type," so whether you're looking for a luxury car or a more modest mini, you'll find what you need fast. The most popular car type in Boulder County is Premium, Pickup .

Compare across companies

The most popular car rental company in Boulder County is Hertz. We search across hundreds of companies to find you a great price with Hertz.

Get your timing right

It can really pay to play around with your timings and compare dates for your car rentals to get a great price. The best time to book a bargain is one week before. The cheapest prices we've found are $96 a day and $48 a week.

Rent a car long-term in Boulder County

Looking to rent a car for more than a few weeks? It could be cheaper to rent for a full month. This can cut the admin costs for car rental companies and give you some extra time to explore too. Try it today and search for 30 days' worth of car rentals.

Save on fuel

You can make your money go further by finding a car rental deal in Boulder County with "unlimited mileage" or a "full-to-full" fuel policy. This can save you cash on topping up the tank.

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