$107 Car Rental Southwest Idaho, ID

Search and Compare from Car Companies in Southwest Idaho

Photo by Donny Campos
I have a discount code

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
    Learn about One Key
  • package illustration

    Shop smart

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

Top Car Deals in Southwest Idaho

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

Sat, Oct 31 to Sun, Nov 1

Economy

Mitsubishi Mirage
  • 4 people
  • Unlimited mileage
Boise, Idaho, USA
Mitsubishi Mirage

$107

includes taxes & fees
$36 per day
found 1 day ago
Economy Mitsubishi Mirage
Sat, Oct 31 to Sun, Nov 1

Compact

Nissan Versa
  • 5 people
  • Unlimited mileage
Boise, Idaho, USA
Nissan Versa

$107

includes taxes & fees
$36 per day
found 1 day ago
Compact Nissan Versa
Sat, Oct 31 to Sun, Nov 1

Special

Vehicle determined upon pick-up Compact or Larger
  • 5 people
  • Unlimited mileage
Boise, Idaho, USA
Vehicle determined upon pick-up Compact or Larger

$107

includes taxes & fees
$36 per day
found 1 day ago
Special Vehicle determined upon pick-up Compact or Larger
Sat, Oct 31 to Sun, Nov 1

Midsize

Toyota Corolla
  • 5 people
  • Unlimited mileage
Boise, Idaho, USA
Toyota Corolla

$110

includes taxes & fees
$37 per day
found 1 day ago
Midsize Toyota Corolla
Sat, Oct 31 to Sun, Nov 1

Standard

Volkswagen Jetta
  • 5 people
  • Unlimited mileage
Boise, Idaho, USA
Volkswagen Jetta

$112

includes taxes & fees
$38 per day
found 1 day ago
Standard Volkswagen Jetta
Sat, Oct 31 to Sun, Nov 1

Fullsize

Nissan Altima
  • 5 people
  • Unlimited mileage
Boise, Idaho, USA
Nissan Altima

$112

includes taxes & fees
$38 per day
found 1 day ago
Fullsize Nissan Altima
Sat, Oct 31 to Sun, Nov 1

Mini Van

Chrysler Pacifica
  • 7 people
  • Unlimited mileage
Boise, Idaho, USA
Chrysler Pacifica

$133

includes taxes & fees
$47 per day
found 1 day ago
Mini Van Chrysler Pacifica
Sat, Oct 31 to Sun, Nov 1

Premium Pickup Regular Cab

Ford F150
  • 5 people
  • Unlimited mileage
Boise, Idaho, USA
Ford F150

$148

includes taxes & fees
$53 per day
found 1 day ago
Premium Pickup Regular Cab Ford F150
Sat, Oct 31 to Sun, Nov 1

Luxury

Audi A4 Genesis G70 BMW 3 series
  • 5 people
  • Unlimited mileage
Boise, Idaho, USA
Audi A4 Genesis G70 BMW 3 series

$194

includes taxes & fees
$73 per day
found 1 day ago
Luxury Audi A4 Genesis G70 BMW 3 series

Don't see what you're looking for?

See all car rentals in Southwest Idaho
View all cars

What you need to know for your Southwest Idaho car rental

Finding the cheapest car rentals in Southwest Idaho

Using our Search Wizard

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

Renting a car in Southwest Idaho

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

Prices are subject to seasonal change depending on when you decide to arrange your car rental but right now you can book from $107.

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 2026

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

Car Rental Information

 
Popular car types
SUV, Full Size, Economy
 
Car suppliers available
 
Our best deal of the day
$107
 
Our second best deal of the day
$110
 
Our third best deal of the day
$112
 
From the airport to your hotel
Airport Transportation
 
From popular domestic and international airports
Airport Car Rentals

Frequently asked questions

What are the cheapest car rentals in Southwest Idaho?
You can find cheap car rentals in Southwest Idaho from $11 a day with Thrifty Car Rental's standard suv. The cheapest car rentals for exploring Southwest Idaho start from around $16 a day, picked up at the region's main gateway, Boise Airport (BOI). For even more competitive rates, you can find options in cities like Boise and Ketchum starting from $11 a day. Suppliers such as Alamo, Enterprise, Avis, Budget, and Thrifty operate across the region. Rates shift by vehicle type and dates, so compare a few pickup points and dates on Expedia to find a car rental in Southwest Idaho that suits your trip. For more options, explore Economy Car Rentals in Southwest Idaho.
What are the best car rentals in Southwest Idaho?
Car rentals across Southwest Idaho offer a full range of vehicle types from providers like Alamo, Enterprise, and Avis, broadly available in the region's main cities — Boise, Ketchum, and Sun Valley. The most common car classes include:
  • Fullsize 2 or 4 door
  • Compact 2 or 4 door
  • Midsize 2 or 4 door
  • Special
  • Midsize SUV
For solo travelers or couples, economy and compact cars are fuel-efficient and easy to navigate. Families and groups often prefer the space and comfort of an SUV or minivan. These options are generally available across the region, making it easy to find a vehicle that fits your travel style and needs for exploring Southwest Idaho. For more options, explore Minivan Car Rentals in Southwest Idaho.

What are the best car rental companies in Southwest Idaho?
For car rentals across Southwest Idaho, well-rated providers like Alamo, Enterprise, and Avis offer a strong mix of vehicles and competitive rates, with wide availability in the region's main cities — Boise, Ketchum, and Sun Valley. These companies are often the best place to rent a car in Southwest Idaho due to their diverse fleets. Compare suppliers and pickup points on Expedia to find a great rate and the right vehicle for your trip.
Can I rent a car from Boise Airport (BOI) for exploring Southwest Idaho?
Yes — you can pick up a car rental in Southwest Idaho right at Boise Airport (BOI) for exploring the region. Providers including Alamo, Enterprise, and Avis operate at the airport, with rates from around $16 a day. Boise Airport (BOI) is the region's main gateway and a convenient base for reaching cities across the area, from Boise to Ketchum.
Can I rent a car one-way in Southwest Idaho?
Yes, one-way car rental Southwest Idaho options work well across the region — pick up in one city, such as Boise, and drop-off in another, like Ketchum, which is ideal for regional road trips, with prices starting from around $12 a day. Providers like Alamo and Enterprise offer flexible one-way options. A one-way drop-off fee may apply, so confirm it when booking on Expedia.
Are there electric or hybrid car rental companies in Southwest Idaho?
Electric and hybrid car rentals are available across Southwest Idaho, including in Boise and Ketchum. Alamo and Enterprise both offer electric vehicles from $11 a day and hybrid options from $11 a day. Avis also provides hybrid vehicles from $11 a day. EVs and hybrids can help keep fuel costs low, and charging infrastructure is growing along major routes. For longer regional drives, it's wise to plan your charging stops in advance.
What are the best luxury car rental companies in Southwest Idaho?
For luxury car rentals across Southwest Idaho, Alamo offers luxury 2 or 4 door cars from $39 a day (and premium crossover from $34 a day), while Enterprise and Budget add premium categories — high-end vehicles with extra comfort and space for exploring the region in style. You'll find them in the region's main cities like Boise and Ketchum. Use Expedia's car-class filters to browse premium options and compare rates before you book. For more options, explore Luxury Car Rentals in Southwest Idaho.
What are the best car rentals in Southwest Idaho for families or groups?
For families or groups exploring Southwest Idaho, SUVs and minivans give you room for passengers, car seats, strollers, and luggage — available across the region's cities, from Boise to Ketchum:
  • Alamo: midsize SUV from $20 a day — seats up to 5 with room for 3 large suitcases
  • Enterprise: fullsize SUV from $36 a day — seats up to 6 with room for 3 large or 5 medium suitcases
  • Budget: mini passenger van from $29 a day — seats up to 8 with room for 6 large suitcases
These keep everyone comfortable for both city driving and longer trips into the surrounding area. Book a few weeks ahead, as the larger vehicles can have lower availability during busy periods. For more options, explore SUV Car Rentals in Southwest Idaho.

What are the best car rentals in Southwest Idaho for solo travelers?
The best car rentals in Southwest Idaho for solo travelers are economy and compact classes — small, easy to park, and cheap to run for one person exploring the region at their own pace, available across cities like Boise and Ketchum:
  • Economy car, from $16 a day — fits up to 2 medium suitcases, nimble on tight city streets
  • Compact car, from $16 a day — fits up to 3 medium suitcases with a little more room for luggage
Both comfortably fit a solo traveler plus a bag or two. Compare suppliers on Expedia to find the right car for getting around the region. For more options, explore Compact Car Rentals in Southwest Idaho.

What are the best car rentals in Southwest Idaho for couples?
The best car rentals in Southwest Idaho for couples balance comfort and easy handling for two, available across the region's cities like Boise and Ketchum:
  • Midsize car, from $17 a day — fits up to 3 large suitcases with smooth cruising for two
  • Compact SUV, from $18 a day — fits up to 3 medium suitcases with a higher ride for regional day trips
Both give a couple comfortable seating and trunk space without being hard to park. For more options, explore Midsize Car Rentals in Southwest Idaho.

What are the best road trip destinations from Southwest Idaho by rental car?
From Southwest Idaho, a car rental opens up plenty of nearby sights and road trips. Easy drives from the Boise hub include:
  • Boise State University, approximately 2 miles away
  • Boise River & Greenbelt, approximately 2 miles away
  • Sun Valley Ski Resort, approximately 3 miles away
You can also add activities such as the Culinary and Cultural Tour of Boise. With cities like Ketchum also within reach, having your own car makes exploring the wider region simple and flexible, perfect for a Southwest Idaho car rental road trip. For more options, explore Fullsize Car Rentals in Southwest Idaho.

Which side of the road do you drive on in Southwest Idaho?
In Southwest Idaho, you drive on the right-hand side of the road. Keep to local speed limits and traffic laws for a safe, easy drive while exploring the region's cities like Boise and Ketchum and the roads between them. If you're used to driving on the other side, give yourself a little time to adjust — take extra care at intersections and roundabouts, which flow in the opposite direction. This is key for safe driving in Southwest Idaho.
Are there any hidden fees when renting a car on Expedia?
Expedia aims to show the key price and important rental details clearly during booking, so you know what to expect before you reserve. In some cases, car rental companies may apply additional charges at pick-up or during the rental, such as security deposits, tolls, fuel charges, extra driver fees, or local requirements, so it's worth checking the supplier's rental terms before you book.
Are there any long-term car rentals in Southwest Idaho?
Yes, there are several long-term car rental options available in Southwest Idaho. Whether you're planning an extended holiday with the family, relocating temporarily, or simply need a vehicle for several weeks or months, many car rental providers offer flexible long-term rental plans tailored to your needs. Click on our long-term car rental deals page, enter your trip information and then book a ride that suits.
Do you need insurance to rent a car in Southwest Idaho?
No, you don't need personal auto insurance to rent a car in most cases. You will, however, be required to purchase some insurance to cover the duration of the rental. Rental companies will offer this insurance when you rent the car. Certain personal car insurance policies can also be applied to rental cars, and travelers can even use non-owner car insurance if they rent cars often but don't have a car of their own. Additionally, some car rentals simply include rental car insurance within the price of the rental.
How much does it cost to rent a car in Southwest Idaho?
Budget car rental in Southwest Idaho can be easy to find, with prices based on rates seen within the past seven days from $107. To find some of the cheapest options, sort your search results by price and use filters to match your budget and travel needs. For added flexibility, it's also worth exploring one-way car rentals.
What are the top car rental deals in Southwest Idaho?
No matter what kind of vehicle you're looking for, Expedia makes it easy to find a great car rental deal in Southwest Idaho. The easiest way to get a good deal on a rental car is to use our filters. At the top of the filter list, you'll find a section featuring our best car rental offers. Check the filter for "Great Deal," and your search results will be filled with specials. Compare offers from trusted rental providers, choose the option that fits your trip, and book with confidence. For even more value, bundle your Southwest Idaho car rental with a hotel or flight to unlock additional savings.
What do I need to rent a car in Southwest Idaho?
To rent a car in Southwest Idaho, a current driver's license and a credit card in the same name are essential. If you're opting out of the company's insurance plan, then you may also need proof of other coverage. Rules may differ between rental companies, so read through your policy.
What happens if I need to cancel my Southwest Idaho car rental?
If you need to cancel your Southwest Idaho car rental, read over the policy to be sure, but almost all prepaid rentals are eligible for a complete refund if you notify us at least six hours prior to the pickup time, though there may be some exclusions so check your itinerary for more information, or just click through to our Customer Service Portal.

Explore a world of travel with Expedia