Book your car rental at Boise Airport and pick up your vehicle without leaving the terminal — the SIXT counter sits inside the airport's own Rental Car Center. Boise Airport served more than 5.2 million passengers in 2025, making it the busiest airport in Idaho.
Book ahead of Boise's busy summer travel season, and keep your dates flexible with free cancellation if plans change.
When you rent a car at Boise Airport, SIXT keeps the process simple from booking through drop-off, with clear steps at every stage.
The right car rental at Boise Airport can shape your trip — pick a vehicle suited to Idaho's mix of city streets and backcountry roads. Boise's Greenbelt and nearby foothills reward a scenic drive too.
What our customers are saying
*Our Customer Excitement Score is based on a survey sent to all customers who booked at Boise Int Airport. The score is an average of all customer responses.
