Car rental at Ontario Airport

ONT Airport Car Rental — Ontario Airport

Check live prices from 12 providers at the terminal. Pick up your keys and hit the road — no queues, no stress.

LocationAirport
Providers12
Price tipBook 2–4 wks ahead
Min. ageUsually 21+
✅ 12 providers compared ⚡ Results in 30 seconds 🧾 No hidden fees ⭐ Free cancellation

Quick answer: At Ontario Airport you can compare rental cars from 12 providers. We show prices and terms upfront so you can choose wisely — not just cheaply.

Best priceBook 2–4 weeks ahead for better selection and lower rates.
Zero dramaChoose "full-to-full" fuel and film the car at pickup.
DepositHave a credit card in the driver's name ready — that's where most people get caught out.

About Renting a Car at Ontario Airport

Ontario International Airport (ONT) is Inland Empire's main airport with a total of 12 rental companies – one of the best options for those exploring Southern California without getting stuck in LA traffic. The airport is about 55 km east of Los Angeles and 90 km west of Palm Springs. ONT is strategically positioned for driving toward both Coachella Valley, San Bernardino Mountains and San Diego.

Via I-10 and I-15 you can reach Las Vegas in about 4 hours (400 km) and San Diego in about 100 km south. Ontario Mills outlet center is just 5 km away. With 12 rental companies, price comparison is crucial – the difference can be 30–50% for the same car.

Choose a vehicle with high ground clearance if you plan to drive to Big Bear Lake (about 60 km) in winter. Book a car with unlimited mileage if you plan a round trip via Palm Springs–Joshua Tree–Las Vegas. Where are the car rental offices at Ontario Airport?

All 12 companies are in the Rental Car Center, accessible by free shuttle from the arrivals hall in 3–5 minutes. How long does it take to drive to Palm Springs from ONT? About 90 km via I-10 east, normally 55–75 minutes depending on traffic.

Is it possible to rent a car at ONT and return it in Las Vegas? Yes, most of the 12 companies offer one-way to Las Vegas, but expect a drop-off fee of 100–200 USD.

We compare prices from all major providers at Ontario Airport so you can see the total cost upfront — including insurance, fuel terms and any extras. Most bookings include free cancellation up to 48 hours before pickup, giving you flexibility if your plans change.

Renting at Ontario Airport — The Short Version

🚗 1) Pick the Right Terms

  • Fuel: "Full-to-full" is usually the fairest deal.
  • Extra driver: can cost extra — check before booking.
  • Automatic: often pricier and in shorter supply.
Pro tip: Cheapest rate + expensive terms = an expensive rental in disguise.

🪪 2) Bring the Right Documents

  • Driver's license (usually held for at least 1 year)
  • Passport or national ID
  • Credit card in the driver's name for the deposit
A valid license is accepted in most of USA – California. Check if an IDP is needed.

📸 3) Drama-Free Pickup

  • Film the car from all angles + the dashboard.
  • Photograph scratches, wheels and windshield.
  • Keep your fuel receipt when returning.
60 seconds now can save 6 weeks of email disputes.

Rental Companies at Ontario Airport

Providers you can compare here (availability varies by date and season).

Alamo
Budget
Avis
National
Europcar
Hertz
Enterprise
FOX
Dollar
Payless
Thrifty
NUCarrentals

Essential Info for Renting at Ontario Airport

Practical answers and tips before you book.

✅ Quick Answers

At Ontario Airport you can compare rentals from 12 providers on SmartCarRental. We show prices and terms upfront so you know what you're paying.

  • Book 2–4 weeks ahead for better selection and prices.
  • Choose "full-to-full" fuel whenever possible.
  • Have a credit card in the driver's name ready for the deposit.
🚙 Driving in USA – California

In USA – California you drive on the Right side.

  • Urban speed limit: 50 km/h
  • Rural roads: 65 km/h
  • Motorway: 105 km/h
  • Alcohol limit: 0,08 ‰
🅿️ Parking & Tolls

Parking can be expensive in cities, always check signs for fees.

Road tolls: Check if din hyrbil haves en transponder for enkel betalning.

Frequently Asked Questions — Car Rental at Ontario Airport

Which rental companies are available at Ontario Airport?
You can compare 12 rental companies at Ontario Airport on SmartCarRental. Availability varies by season and dates, so the best way to see current options is to search with your travel dates.
Do I need an international driving permit in USA – California?
Requirements depend on your home country. EU, US and UK licenses are generally accepted, but an International Driving Permit (IDP) is recommended if your license isn't in Latin script.
→ Read more in our guide
Is there an age limit for renting a car at Ontario Airport?
The minimum age to rent in USA – California is typically 21 years. Drivers under 25 often pay an additional young driver surcharge.
→ Read more in our guide
What are the traffic rules in USA – California?
In USA – California you drive on the Right side. Speed limits: 50 km/h in urban areas, 65 km/h on rural roads and 105 km/h on motorways.
→ Read more in our guide
What do I need to bring for pickup?
When collecting your car at Ontario Airport you'll typically need: 1) A valid driver's license (held for at least 1 year), 2) Passport or national ID, and 3) A credit card in the driver's name for the security deposit.
→ Read more in our guide
How does the fuel policy work?
Most providers at Ontario Airport use a "full-to-full" policy: you pick up the car with a full tank and return it full. This is typically the simplest and cheapest option.
→ Read more in our guide
When is it cheapest to rent a car at Ontario Airport?
Generally, booking 2–4 weeks in advance, choosing a mid-week pickup, and avoiding peak season gives you the lowest prices.
→ Read more in our guide

15-Day Weather Forecast for Ontario Airport

Other Rental Locations Near Ontario Airport

Let's get you on the road

Check prices from 12 providers at Ontario Airport — pick your dates and see what's available.

Find your car at the best price