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Expires Jun 30, 2026. Where applicable discount applies to service fees for qualified airline tickets. Amount of service fee discount varies: maximum savings of $10 per person applied to bookings from one (1) traveler up to five (5) travelers; the maximum discount applied is $50. Promo Code and Instant Savings offers can be combined up to the amount of our service fees but cannot be used or combined with any other coupons, promotions or special offers. May be withdrawn at any time without notice. Promo code only applicable for bookings created over the phone through our call center.

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  • Decent experienceMy experience with OneTravel was decent but could use some improvements. I found a good deal, but na vigating the site was a bit tricky at times. Thank....

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    Daniel Brown · Apr 22, 2026
  • Smooth Customer ServiceIt was a great experience using OneTravel to book my honeymoon trip to Bali. The customer service was outstanding, and they helped me with the best options for our budget. I appreciated their travel advice, and everything went smoothly. Would highly recommend!

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    Sophia Martinez · Apr 22, 2026
  • Prices are excellentI had a good experience with OneTravel, although there were a few hiccups during the booking process. Customer service was helpful in resolving my issues. The prices were excellent, and I found a great last-minute deal. The confirmation emails were timely, and I loved the easy access to my itinerary online.

    Read more

    Benjamin Roberts · Apr 22, 2026
  • A solid choiceI had a good experience with OneTravel while booking my family vacation. The price was right, and we could get seated together. The only issue I faced was with the payment processing, but their support team was quick to assist. Overall, a solid choice for travel planning.

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    Michael Harris · Apr 22, 2026

Fun Facts about Ontario Car Rentals

  • On an average travelers booked a car rent 23 days in advance for their trip to Ontario.
  • Travelers generally booked a car rental for 5 days.
  • Intermediate is the most preferred car category in Ontario.
  • Most travelers booked Fox Rent a Car in Ontario.
  • 16% of travelers were on a family trip to Ontario.
  • 52% of travelers who visited Ontario were females.

Find Car Rentals in Ontario, United States

Book cheap Ontario (ONT) car rental and enjoy the freedom to roam while you’re visiting! Envision driving along a winding road, windows rolled down, leisurely passing scenic mountains, romantic beaches or popular roadside attractions in a comfortable rented car. Hire a rental car in Ontario, take the road less traveled, and discover more about the attractions in and around Ontario!
Ontario Mills

Ontario Mills is the largest outlet mall in California and arguably the largest one-level shopping mall in Western North America. It was once owned by Mills Corporation and was the first one to have a racetrack layout. You would also find here a large food court with about 1000 seats and is associated with all major fast food companies.


Cucamonga-Guasti Regional Park

Situated scenically along two lakes that offer fishing and pedal boating, Cucamonga-Guasti Regional Park is a popular recreation spot in Ontario. It is home to a swim complex with water slides, water play park, picnic tables, and group picnic shelters. Visitors can also do fishing here, and enjoy pedaling in boats.


Graber Olive House

Founded by CC Graber and operating since 1894, the Graber Olive House in Ontario is the oldest operating olive packer in the United States. This historical building makes for a great weekend trip and would let you know how surgically precise this proud tradition of grading, curing, and canning olives in the city’s oldest business house is!


What our customers say about our service?

Submit a review
  • Decent experienceMy experience with OneTravel was decent but could use some improvements. I found a good deal, but na vigating the site was a bit tricky at times. Thank....

    Read more

    Daniel Brown · Apr 22, 2026
  • Smooth Customer ServiceIt was a great experience using OneTravel to book my honeymoon trip to Bali. The customer service was outstanding, and they helped me with the best options for our budget. I appreciated their travel advice, and everything went smoothly. Would highly recommend!

    Read more

    Sophia Martinez · Apr 22, 2026
  • Prices are excellentI had a good experience with OneTravel, although there were a few hiccups during the booking process. Customer service was helpful in resolving my issues. The prices were excellent, and I found a great last-minute deal. The confirmation emails were timely, and I loved the easy access to my itinerary online.

    Read more

    Benjamin Roberts · Apr 22, 2026
  • A solid choiceI had a good experience with OneTravel while booking my family vacation. The price was right, and we could get seated together. The only issue I faced was with the payment processing, but their support team was quick to assist. Overall, a solid choice for travel planning.

    Read more

    Michael Harris · Apr 22, 2026
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