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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 Scancheapflights, 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.
Yes, the fares shown (starting as low as $190) are inclusive of mandatory taxes and fuel surcharges. There are no hidden fees at the final booking stage.
Our instant-search tool allows you to select, verify, and book a flight to Ontario in under 3 minutes.
Check in online via the airline's website or mobile app 24 hours before departure using the booking reference provided in your confirmation.
Baggage policies differ between airlines. While some include a checked bag, many low-cost carriers offer it as an add-on to keep the base fare at $190.
Airlines use sophisticated algorithms to adjust prices hourly. Our engine refreshes constantly to ensure you see the most current $190 offer.
The best way to save is to use our live comparison tool. We aggregate 8 different options to ensure you find a fare matching our $190 floor.
