Car Rentals in Idaho
Save up to 70% on car rentals in Idaho. TopTours partners with Discover Cars so you get clear prices, no hidden fees, and free cancellation. Compare deals from 1,000+ companies and find the perfect rental for your trip.
Rated Excellent · 252,000+ reviews · 1,000+ brands · Award-winning service
Cars you might rent in Idaho
Whether you need an economy car, SUV, convertible, or minivan—compare Idaho car rental deals for every vehicle type. Discover Cars shows you all options in one place so you can book the right car at the best price.
Explore Idaho by car
Rent a car and discover Idaho's top sights at your own pace—from beaches and parks to historic towns and scenic lookouts.
- Hike or bike the scenic trails of Sawtooth National Recreation Area, surrounded by jagged peaks and alpine lakes in Idaho.
- Witness the awe-inspiring power of Shoshone Falls, the 'Niagara of the West,' near Twin Falls, Idaho's natural wonder.
- Explore downtown Boise, Idaho's capital, known for its vibrant arts scene, farmers markets, and lively Basque Block.
- Visit the Cataldo Mission, the oldest building in Idaho, offering a glimpse into early Jesuit missionary history.
- Float or raft the Salmon River, a legendary 'River of No Return,' offering unparalleled wilderness and whitewater thrills.
- Seek out the Craters of the Moon National Monument & Preserve for a surreal volcanic landscape unlike anywhere else.
We compare car rental prices, you save
Discover Cars is a leader in online car rental bookings. They compare deals from 1,000+ companies so you can choose the best option for your trip to Idaho. Many sites hide fees—Discover Cars includes mandatory fees, taxes, and extras in the quoted price, so there are no surprises at the rental desk.
TopTours partners with Discover Cars to help you find the perfect rental. Because they negotiate with car rental companies in bulk, they often secure lower prices for you.
Award-winning service
- · World Travel Tech Awards – World's Best Car Rental Booking Website 2025
- · Magellan Awards Gold Winner 2025
- · FT 1000: Europe's Fastest Growing Companies – Top 300 (2025)
How to find a great deal
- Book early — Prices often rise closer to your trip. You can usually change or cancel for free up to 48 hours before pickup.
- Check reviews — See what previous renters say. A supplier score of 8 or higher is a good sign.
- Mind the deposit — You’ll leave a deposit at pickup. Check rental conditions so you have enough credit.
- Fuel & mileage — Know what’s included to avoid extra fees.
What you need to pick up the car
Driver's license
A valid license in the name of the main driver.
Identification
A passport or other ID, especially when renting abroad.
Credit card
In the main driver’s name, with enough funds for the rental and deposit.
Voucher
A printed or e-voucher from your booking confirmation.