Flight prices fluctuate based on real-time availability. Use our search tool above to find the latest fares for your specific departure and return dates.
Search More Deals ↑Ontario International Airport (ONT) is the preferred alternative for travelers looking to avoid the heavy congestion of LAX. Located in the heart of the Inland Empire, ONT offers a modern and efficient environment just 35 miles east of downtown Los Angeles. Whether you are visiting for the world-class shopping at Ontario Mills, attending a convention, or heading to the nearby mountain resorts, finding cheap flights to Ontario is simple with the right planning. This guide provides essential tips and route information to help you secure the best ONT flight deals.
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 SkySharkFlights, 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!
By comparing multiple airlines on SkySharkFlights, you can quickly scan the 8 available routes to find the most competitive rates.
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.
Ontario, ONT is currently a trending choice. Based on our search volume, it’s one of the most cost-effective destinations for 2026 travel.
Our engine is optimized for flight-only savings. This allows you to secure one of our 8 cheap flight deals and book your Ontario, ONT accommodation independently.
Most carriers allow small pets in the cabin for a fee, but rules vary. Please check with your selected airline for their current pet travel requirements.
Yes, the fares shown (starting as low as $203) are inclusive of mandatory taxes and fuel surcharges. There are no hidden fees at the final booking stage.
Airline pricing is dynamic. If you see a low rate like $203, we recommend locking it in immediately as availability changes in real-time.
For maximum savings, we recommend comparing various departure times. Often, an early morning or late-night flight can secure a much lower price than a midday trip.
This site uses cookies and similar tracking technology. As disclosed in our Privacy Statement, we and our partners may collect personal information and other data. By continuing to use our website, you accept our Privacy Statement and Terms of Service.
