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As one of the fastest-growing airports in the region, Ontario sees high competition among airlines, which often leads to lower fares for travelers. To land the best rates, aim to book your tickets at least 3 to 5 weeks in advance. For those traveling from Western hubs like Seattle, Denver, or Phoenix, carriers frequently offer promotional fares for midweek departures.
Pro Tip: Late spring and early fall are often the "sweet spot" months for Ontario travel. During these times, airfare averages are lower than the summer peak, and the weather is ideal for exploring regional parks and outdoor attractions.
Ontario is a central hub with a variety of local experiences that highlight the heritage and entertainment of the Inland Empire:
Ontario is served by every major domestic carrier, including Southwest, American, Delta, United, and Frontier. The airport offers frequent nonstop service to dozens of major hubs:
If you are exploring different parts of Southern California, comparing ONT with nearby regional airports can help you find the most convenient and cost-effective route:
At Flight2fly, we monitor real-time data to bring you the latest ONT flight deals. From flexible fare searches to last-minute discounts, our platform is designed to make your Southern California travel simple and affordable. Book your Ontario flight today and enjoy the convenience of the Inland Empire's premier gateway!
Last-minute deals are possible by being flexible with your arrival airport. We are currently tracking 8 deals that offer significant savings for spontaneous trips.
Groups traveling to Ontario can often unlock special pricing. Contact us with your flight details to see if we can beat our standard 8 public deals.
By comparing multiple airlines on Flight2fly, you can quickly scan the 8 available routes to find the most competitive rates.
You can reach our support specialists through our contact page or by replying directly to your e-ticket confirmation email.
Seat selection is available for most flights. While basic fares may assign seats at check-in, you can usually upgrade to a specific seat for a fee.
Fares fluctuate based on seat supply and global demand. Since we found 8 deals recently, the cheapest seats tend to be claimed first.
We specialize specifically in airfare rates to Ontario, allowing you to choose your preferred hotel separately for better pricing and flexibility.
Pet policies differ significantly by airline. We recommend reviewing the specific airline's pet guidelines immediately after choosing your flight.
