Car rental prices at Boise Airport

For November 2026, a good price at Boise Airport is around $70 a day for an Intermediate, the Volkswagen Jetta size, booked around a month before your trip. At that lead time, a Compact, the Nissan Versa size, averages $63 a day, while a Nissan Maxima-sized car averages $91 a day. In the last 2 weeks, an Intermediate car averages $74 a day, which costs $4 more a day. Use the price checker to compare your quote for your exact dates.

For November 2026 at Boise Airport, an Intermediate car costs $70 a day around a month before your trip versus $74 in the last 2 weeks, so waiting offers little benefit. Across the year, an Intermediate car averaged $99 a day around 9 months before pickup, from 2,511 prices, so you have not missed an early-booking discount. Across the 395 airports we track car hire prices for, 65% of our customers booked within a month of pickup, so booking closer to your trip is common.

Budget is joint-cheapest at Boise Airport for an Intermediate car, averaging $70 a day over the last 12 months from 1,865 prices, but you need a credit card. Budget has an airport desk with an average wait of 22 minutes and does not yet have enough reviews for a score. Sixt also averages $70 a day for an Intermediate car over the last 12 months, scores 92/100 from 516 reviews in the last 5 months, and averages a 10-minute desk wait. Compare Sixt first if you want a scored company at the same average price; its airport desk also requires a credit card.

The cheapest company can cost you a longer queue or a bigger deposit, so check the review score and desk wait beside each car in the results before you book.

National is the best-reviewed company at Boise Airport, scoring 99/100 from 268 reviews in the last 5 months with a 4-minute average desk wait, so consider it if pickup time matters to you. National is not the cheapest: for an Intermediate car over the last 12 months, National averaged $87 a day from 3,372 prices, while Budget averaged $70 from 1,865 prices, costing $17 less a day. Budget does not yet have enough reviews for a score. Joint-cheapest Sixt averaged $70 a day for an Intermediate car over the last 12 months and scored 92/100 from 516 reviews in the last 5 months, making it worth comparing before you choose National.

Review scores are CarTrawler customers' own, from the last five months; the score and the desk wait sit beside each car in the results.

You need a credit card at all 6 Boise Airport desks; typical deposits range from $200 with Budget and Sixt to $300 with Avis, so allow enough available credit before booking. If you need to use a debit card, filter for that requirement before comparing prices; none of these desks accepts one. Check the deposit and card rule beside each car before you reserve. Extras charged at the desk are listed under each car with their prices.

If you bring your own child seat, check your airline's rules first: most carry one free, some charge.

At Boise Airport, watch out for credit-card-only deposits and desk waits that can delay your departure, especially if you have a long drive planned after landing. All 6 desks require a credit card, so do not arrive relying on a debit card. Budget and Avis average 22 minutes at the desk, compared with 4 minutes for National, so compare pickup waits if your schedule is tight.

Only 51% of prices at Boise Airport are full tank out, full tank back, so read the fuel line under the car before you book.

At Boise Airport, choose an Intermediate, the Volkswagen Jetta size, for up to 5 people with limited luggage; it averages $70 a day in November 2026 when booked around a month before your trip. It seats 5 but takes 3 bags, so check your luggage before booking a full car. At the same lead time in November 2026, a Compact, the Nissan Versa size, costs $63 a day with the same bag capacity, while a car in the Nissan Maxima class costs $91 a day and takes 5 bags. Over the last 12 months, 100% of cars offered were automatic, so you do not need to filter out manuals. Electric and hybrid cars were not offered over that period, so plan on a petrol or diesel rental rather than relying on finding one.