Small
Toyota Yaris
Europcar- Free cancellation up to 24 h before
- Unlimited mileage
- Automatic
- 4 seats
from €265/7 days
See offer →
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+
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.
Cheapest car rentals in Ontario Airport right now
7-day rental, pick-up 3 Dec. Prices collected 3 Nov.
EuropcarMid-size
Ford Focus
Thrifty- Free cancellation up to 24 h before
- Unlimited mileage
- Automatic
- 5 seats
from €255/7 days
See offer →SUV
Chevrolet Trax
Thrifty- Free cancellation up to 24 h before
- Unlimited mileage
- Automatic
- 5 seats
from €243/7 days
See offer →Car rental companies in Ontario Airport: sorted by rating
| Supplier | Rating | Pick-up | From |
|---|---|---|---|
 Alamo | (2) | Inside the terminal | €268 |
 Enterprise | (1) | By shuttle bus | €284 |
 National | (1) | €290 | |
 yesaway | By shuttle bus | €499 | |
| Thrifty | (7) | €243 | |
 Dollar | (3) | Inside the terminal | €244 |
 Budget | (2) | By shuttle bus | €258 |
 Hertz | (1) | €320 | |
 Avis | (1) | Inside the terminal | €285 |
 FOX | (65) | By shuttle bus | €580 |
| Europcar | (4) | By shuttle bus | €265 |
Prices for a 7-day rental in EUR, collected 3 Nov, and may have changed. Ratings 1-10 from customer reviews. Search with your dates →
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 California (USA). 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).
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 California (USA) ▼
In California (USA) you drive on the right side.
- Urban speed limit: 40-56 km/h
- Rural roads: 89-105 km/h
- Motorway: 105-129 km/h
- Alcohol limit: 0.8 per mille
🅿️ Parking & Tolls ▼
Parking can be expensive in cities, always check signs for fees.
Road tolls: Check if your rental car has a transponder for easy payment.
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 California (USA)?▼
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
→ Read more in our guide
Is there an age limit for renting a car at Ontario Airport?▼
The minimum age to rent in California (USA) is typically 21 years. Drivers under 25 often pay an additional young driver surcharge.
→ Read more in our guide
→ Read more in our guide
What are the traffic rules in California (USA)?▼
In California (USA) you drive on the right side. Speed limits: 40-56 km/h in urban areas, 89-105 km/h on rural roads and 105-129 km/h on motorways.
→ Read more in our guide
→ 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
→ 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
→ 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
→ Read more in our guide
15-Day Weather Forecast for Ontario Airport
Other Rental Locations Near Ontario Airport
Rent a Car Near Ontario Airport
Other pickup points within driving distance.
3 km
Ontario CenterCity Center · 2 rental companies
4 km
Ontario EastCity Center · 5 rental companies
5 km
Ontario WestCity Center · 1 rental company
6 km
Upland WestCity Center · 2 rental companies
6 km
Rancho Cucamonga CenterCity Center · 4 rental companies
9 km
Montclair CenterCity Center · 3 rental companies
Most Popular Pickup Points in California (USA)
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Check prices from 12 providers at Ontario Airport - pick your dates and see what's available.
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Ontario Airport
12 providers
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