Find and compare great deals on National rental cars in Idaho Falls
Same drop-off
National car rental deals in Idaho Falls, Idaho
Find your perfect rental car on momondo
Choose your travel dates to find the best prices
Small Cars
$60 - $248
All Car Types
$72 - $177
The best time to rent a Small car from National in Idaho Falls, Idaho is in December when prices are $60 per day on average. $60 per day is 54% lower than the $130 average yearly price for a National Small rental in Idaho Falls. While December may be the cheapest month to rent a Small car from National in Idaho Falls, August is the most expensive. However, you may still be able to find great deals in August on Small rental vehicles from National depending on what day you book.
The best time to rent a Medium car from National in Idaho Falls, Idaho is in May when prices are $73 per day on average. $73 per day is 24% lower than the $95 average yearly price for a National Medium rental in Idaho Falls. While May may be the cheapest month to rent a Medium car from National in Idaho Falls, October is the most expensive. However, you may still be able to find great deals in October on Medium rental vehicles from National depending on what day you book.
The best time to rent a Large car from National in Idaho Falls, Idaho is in September when prices are $52 per day on average. $52 per day is 63% lower than the $141 average yearly price for a National Large rental in Idaho Falls. While September may be the cheapest month to rent a Large car from National in Idaho Falls, March is the most expensive. However, you may still be able to find great deals in March on Large rental vehicles from National depending on what day you book.
The best time to rent a SUV car from National in Idaho Falls, Idaho is in May when prices are $73 per day on average. $73 per day is 47% lower than the $138 average yearly price for a National SUV rental in Idaho Falls. While May may be the cheapest month to rent a SUV car from National in Idaho Falls, March is the most expensive. However, you may still be able to find great deals in March on SUV rental vehicles from National depending on what day you book.
The best time to rent a Van car from National in Idaho Falls, Idaho is in March when prices are $101 per day on average. $101 per day is 38% lower than the $164 average yearly price for a National Van rental in Idaho Falls. While March may be the cheapest month to rent a Van car from National in Idaho Falls, June is the most expensive. However, you may still be able to find great deals in June on Van rental vehicles from National depending on what day you book.
Information about National car rentals in Idaho Falls
Does National have a location at Idaho Falls Fanning Field Airport?
There is 1 location at Idaho Falls Fanning Field Airport. The address for this National car rental center is 2140 N Skyline Dr.
Does National offer free car rental cancellation in Idaho Falls?
Yes, National has free cancellation for rental cars in Idaho Falls. However, there may be a cancellation fee for last-minute cancellations. If you have specific questions regarding fees and cancellation policies, then you can call National at one of their Idaho Falls locations. Click here to view a list of phone numbers under the Locations tab.
What is the most popular car to rent from National while in Idaho Falls in December?
According to our data, Pickup truck vehicles are the most popular type of car for our users to rent from National while visiting Idaho Falls in December. Based on National car rental prices in December last year, you can expect the average price for Pickup truck rentals to be $130/day. Our users have also found prices for as low as $85/day last December, which means you may be able to find similar rental prices this year on momondo.
What is the cheapest type of car to rent from National in Idaho Falls?
For $130/day on average, a Pickup truck is the cheapest type of car to rent from National in Idaho Falls (35% cheaper than the most expensive National rental car). In the past year, 50% of momondo users who chose to rent from National while in Idaho Falls rented a Pickup truck in order to save money. Keep in mind that National also has other types of car rentals available based on your travel needs.
When did momondo last update prices for cars in Idaho Falls?
Prices for cars in Idaho Falls are refreshed on a daily basis.
How many operators does momondo search for cars in Idaho Falls?
As of November 2025, there are 10 operators available to choose from for cars in Idaho Falls.
How old do you have to be to hire a car in Idaho Falls?
The minimum age for drivers varies by country, including Idaho Falls. In numerous EU countries, drivers must be 18 years old. To rent a car overseas, you'll generally need to be at least 21, and if you're under 25, a young driver surcharge may be applied. We advise that you read the policy of your chosen rental company before making a reservation.
What documentation or ID do you need to rent a car in Idaho Falls?
All drivers must have a valid full driving license when renting a car in Idaho Falls. If the license is written in a different language from the country of rental, an International Driving Permit may be required to avoid the risk of potential fines. If you're renting a car overseas, you may also need to provide proof of return travel and accommodation information during your stay. It is always advisable to check with the individual rental company you're booking with.
An easier way to manage your Idaho Falls trip
We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
This site uses cookies and other tracking technologies for essential, functional, analytical, and advertising purposes. By using the site, you agree to our Terms & Conditions and our Privacy Policy.
For more information about how we process your information, please see our Privacy Policy.
We value your privacy
momondo and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyze navigation, to offer and measure personalized advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.