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!
Absolutely. Interest in Ontario, ONT is peaking, with many travelers taking advantage of the $187 round-trip deals we've recently indexed.
SkySharkFlights specializes in finding 'hidden' fares. Our current $187 offer for Ontario, ONT is a result of our advanced data-scraping technology.
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.
In the event of a disruption, the airline is responsible for re-accommodating you. Our team is also available to help you navigate your options.
Searching across various carriers on our platform is the most reliable method to secure the $187 lead-in price for your trip to Ontario, ONT.
Check in online via the airline's website or mobile app 24 hours before departure using the booking reference provided in your confirmation.
We work tirelessly with our data partners to offer the lowest possible fares on the market, ensuring you get the best value for your money.
While not mandatory, we highly recommend travel insurance to cover unexpected cancellations, medical emergencies, or lost luggage.
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.