Cheap Car Rentals in Idaho Falls from $38
This price is the cheapest per day rate found by a Cheapflights user in the last 48 hours by searching for a car rental in Idaho Falls with a pick-up date of 11/16 and drop-off date of 11/30. Fares are subject to change and may not be available at all agencies or on all dates of rental.
Idaho Falls car rentals in 2026
Get helpful information to start your search for the perfect car rental in Idaho Falls. The average price data is based on the last 12 months and was last updated on October 12, 2026.
Most popular company | NATIONAL |
|---|---|
Price of gas per gallon | $4.66 |
Average price per day | $121 |
Cheapest price per day | $38 |
Best car rental deals found in Idaho Falls
Browse through a selection of recently found affordable car rental deals in Idaho Falls. Plan your trip with ease and find the perfect rental option for your needs. There are currently 8 rental car agencies in Idaho Falls with an average daily rate of $58. Data was last updated on October 12, 2026.
Cheapflights insights for Idaho Falls car rentals
Get relevant, data-driven information to help you rent a car in Idaho Falls, including pricing trends, ideal booking times, and more.
How far in advance should I rent a car in Idaho Falls?
To get the best deal on a rental car in Idaho Falls, book about 61 days before your trip. At that point, average daily prices are around $72, which is about 15% cheaper than the typical rate.
What is the cheapest rental car company in Idaho Falls?
In Idaho Falls, the most affordable rental car company right now is Enterprise Rent-A-Car, offering prices from just $37.58/day over the past two weeks. Another budget-friendly choice is Alamo, with rates starting at $49.31/day.
What is the best car rental company in Idaho Falls?
Based on Cheapflights user feedback, the highest rated car rental company in Idaho Falls is Budget (rated 9.7/10). Alamo (rated 8.6/10 with 3 reviews) is also highly rated by our users.
What is the cheapest month to rent a car in Idaho Falls?
The cheapest month to rent a car in Idaho Falls is November where you can expect to pay $70/day on average. The most expensive month to rent a car in Idaho Falls is July ($109/day on average). The average daily rental price for each month is shown below. Keep in mind that prices will vary based on availability, when you book, and the type of car you rent.
January
$77
February
$94
March
$76
April
$78
May
$85
June
$102
July
$109
August
$94
September
$76
October
$74
November
$70
December
$84
What car do most people rent in Idaho Falls?
The most popular types of cars to rent in Idaho Falls are the following: SUV rentals (Chevrolet Equinox or similar), Passenger van rentals (Chevrolet Express or similar), and Economy rentals (Kia Rio or similar).
Which car rental company has the most locations in Idaho Falls?
Enterprise Rent-A-Car has 3 locations throughout the area, more than any other company. VIPCars Recommendation has the second highest number of locations in Idaho Falls at 1.
Top rental agencies in Idaho Falls
Explore the leading car rental agencies in Idaho Falls known for their outstanding service and extensive range of vehicles to choose from. There are currently 8 car rental companies in Idaho Falls. Reviews were last updated on October 12, 2026.
Budget
Overview
Cleanliness
Comfort
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View Budget Locations in Idaho Falls
Alamo
Overview
Cleanliness
Comfort
Overall
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View Alamo Locations in Idaho Falls
Hertz
Overview
Cleanliness
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View Hertz Locations in Idaho Falls
Enterprise Rent-A-Car
Overview
Cleanliness
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View Enterprise Rent-A-Car Locations in Idaho Falls
National
Overview
Cleanliness
Comfort
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View National Locations in Idaho Falls
VIPCars Recommendation
View VIPCars Recommendation Locations in Idaho Falls
Thrifty
View Thrifty Locations in Idaho Falls
Sunnycars
View Sunnycars Locations in Idaho Falls
Car rental FAQs
Find answers to frequently asked questions about car rentals in Idaho Falls, including policies, requirements, and more. FAQs were last updated on October 12, 2026.
What is the cheapest rental car found in Idaho Falls?
In the past two weeks, Cheapflights users have found many deals under $121/day when booking a rental car in Idaho Falls. The best deal a user found was for $52/day from National, booked on Oct. 3.
How much does it cost to rent a car in Idaho Falls for a week from Alamo?
Alamo is one of the most popular car rental companies in Idaho Falls, offering car rentals for around $630 per week on average.
Can I rent a car for a month in Idaho Falls?
Yes, cars are available to be rented out for an entire month in Idaho Falls.
How much does it cost to rent a car in Idaho Falls for a month?
We’ve recently found that National offers you prices that are 44% cheaper than the average rate available for a long-term rental. The average cost of a car rental in Idaho Falls for a month is $2,698. Check Cheapflights to compare pricing and options for your rental car.
How much is a car rental in Idaho Falls for a weekend?
$163 is typically the average cost for a rental car for the weekend in Idaho Falls, though this could vary depending on the time of year. If you’re on a budget when traveling to Idaho Falls, then opt for a Full-size rental vehicle - these tend to be the most affordable on weekends. In the month of November, you can expect to find car rental prices on Cheapflights for as low as $96/day.