We have great offers for daily, weekly and long term rentals in Ontario US. Find the cheapest prices online, for your future Car Rental in Ontario US in 4 quick easy steps. Book now at the lowest possible rates only with a small down payment and pay the rest when you pick up the car.

  • Customer benefits:
  • Quality & Expertise
  • Free amendments before rental start
  • Free cancellation up to 48h before rental
  • 24/7 customer service
  • Club Member Discount

Flexible Booking Process

No need for huge up-front costs. Search for the best deal for you in Ontario US and book it with only a small advance payment, you will pay the remaining amount during the car pickup time.

Free Extras & Cancellation

In case your plans change you can cancel or do minor modifications for free up to 48 hours before your rental starts. We will also include all special offers in Ontario US and surcharges from our partners on the final price.

Quality & Expertise

We constantly evaluate our partners in the level of service they provide in Ontario US so we can ensure the quality of service you will receive.


location image

Why rent a car in Ontario US?

Renting a car in Ontario, California, offers unparalleled convenience for exploring the city's diverse attractions and the surrounding Southern California region. With a personal vehicle, you can easily visit local landmarks, attend events, and enjoy the area's natural beauty at your own pace.

Ontario's strategic location near major highways and its proximity to destinations like Los Angeles, the San Bernardino Mountains, and coastal beaches make it an ideal base for day trips and extended excursions. A rental car provides the flexibility to create a personalized itinerary without the constraints of public transportation schedules.

Car rental tips for Ontario US

  • Ontario International Airport hosts several car rental agencies conveniently located near the terminals, allowing travelers to pick up their vehicles shortly after arrival. Booking in advance can ensure availability and may offer better rates.
  • Traffic in Ontario can be heavy during peak hours, especially on major highways like I-10 and I-15. Planning your travel times to avoid rush hours can lead to a more pleasant driving experience.
  • If you plan to visit nearby attractions such as the Planes of Fame Air Museum or the California Botanic Garden, having a rental car provides the flexibility to explore these sites at your own pace without relying on public transportation.
  • Be aware of toll roads in the surrounding areas. Some routes may require electronic toll payment methods, so it's advisable to check with your rental agency about toll policies and available payment options.

FAQs about renting a car in Ontario US

What is the recommended car type/category?

A mid-sized sedan or SUV is recommended for navigating Ontario's urban areas and nearby attractions comfortably. If planning trips to mountainous regions or coastal areas, an SUV may provide additional comfort and capability.

What are the parking options?

Ontario offers ample parking options, including free and paid public parking lots, street parking, and parking structures near major attractions. Most shopping centers and entertainment venues provide dedicated parking facilities for visitors.

What's the speed limit?

In California, the maximum speed limits are 65 mph (105 km/h) on most highways, 55 mph (89 km/h) on two-lane undivided highways, and 25 mph (40 km/h) in residential areas. Always observe posted speed limits and adjust for road conditions.

Popular attractions

  • Ontario Mills: One of California's largest outlet shopping centers, featuring over 200 stores, diverse dining options, and entertainment venues, making it a premier shopping destination.
  • Toyota Arena: A multi-purpose arena hosting concerts, sporting events, and family shows, serving as the entertainment hub of the Inland Empire with a seating capacity of up to 11,000.
  • Graber Olive House: Established in 1894, this historic site offers guided tours showcasing traditional olive curing methods and provides insight into the region's agricultural heritage.
  • Cucamonga-Guasti Regional Park: A sprawling park offering outdoor activities such as fishing, picnicking, swimming, and water slides, ideal for family gatherings and relaxation.
  • Frankish Building: A historic Second Renaissance Revival building constructed in 1915–16, reflecting Ontario's early 20th-century architectural heritage.

More places to visit

  • Planes of Fame Air Museum: Located in nearby Chino, this museum showcases over 150 aircraft from different eras, offering educational exhibits and live flight demonstrations.
  • California Botanic Garden: Situated in Claremont, this garden features over 70,000 native Californian plants, including cacti and oak trees, across 86 acres.
  • Folk Music Center & Museum: A unique store and museum in Claremont offering a vast collection of musical instruments and exhibits on folk music history.

Highly recommended by our customers

All Car Rental Brands in Ontario US

Experience the difference with rentals from trusted brands. We focus on quality and customer satisfaction, so you can enjoy every mile of your journey.

9.84 / 10

Alamo Car Rental

View more
9.32 / 10

Thrifty Car Rental

View more
6.72 / 10

Dollar Car Rental

View more

National Car Rental

View more

SIXT Car Rental

View more

Enterprise Car Rental

View more

Budget Car Rental

View more

Hertz Car Rental

View more

Europcar Car Rental

View more

Keddy Car Rental

View more

AVIS Car Rental

View more

Firefly Car Rental

View more

: This company has yet to receive any customer evaluations.

Find a car according to your needs


Small / Economy

You want a small, fuel-efficient vehicle for your trip? We provide a large range of options for you to select from. Save money while still getting a reliable vehicle!

Car image for small and economy car category

Hybrid / Electric

A hybrid car rental gives you the option to travel using different kinds of power, save energy, and cut down on emissions. Get where you need to go without constantly stopping for gas.

Car image for hybrid and electric car category

Prestige Cars

Renting a luxury car gives you the chance to drive your dream car at an affordable price. This puts you in the driver’s seat of luxury cars from internationally renowned brands.

Car image for prestige car category

Stationwagon / Minibus

You are on a family vacation or group outing? Our minibus and station wagons are perfect for the job. Minivans and 7-9 seaters are designed to provide a comfortable ride for everyone to enjoy.

Car image for stationwagon and minibus car category


Ontario US: Most popular locations



The cheapest car rental deals


*Displayed prices are the best daily rates found by our customers during the last two weeks. (Subject to change)

Website advantages

  • Destinations in almost every city in the world.
  • Competitive prices from trusted car rental brands
  • Genuine customer evaluation scores for each brand
  • Multilingual website

Customer benefits

  • Free amendments before rental start
  • Free cancellation up to 48h before rental
  • 24/7 customer service
  • Club Member Discount

One ways are supported! You want to pick up your car and return it to a different location, we can do it!

No hidden fees with us! Select your preferences and see the total prices before booking! Any extra fees that may apply because of driver's age or late pick up time selection, will always be included on the total price.

No need for full payment! Book your car with just a small amount and give the rest upon pick up.