Flights to Ontario International Airport (ONT)
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Looking for a cheap last-minute deal or the best round-trip flight to Ontario International? Find the lowest prices on one-way and round-trip tickets right here.Find the cheapest time to fly to Ontario International
Flexible on travel dates? Find the cheapest month – or even day – to fly to Ontario International.Airports near Ontario
Looking for an alternative route to Ontario? There are 6 more airports nearby. Compare them below to find the cheapest or fastest.Direct flights to Ontario International
Frequently asked questions
Flying to Ontario International
The things to know before you go.Cheapest flight found | $36 |
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Cheapest month to fly | June |
Average flight time | 3 hrs, 8 mins |
Most popular airline | Southwest Airlines |
Average flights per week | 1,043 |
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How to find cheap flights to Ontario International Airport
Finding cheap flights to Ontario International Airport is easy with Skyscanner. Flight prices often change depending on travel dates, seat availability, and booking time. We've compared ticket prices from all top online travel agents and airlines flying to Ontario International Airport to get you the cheapest flights. With Skyscanner, there are no hidden fees – the price you see is the price you pay.
Best time to visit Ontario, California, USA
The best time to visit Ontario, California, is from June to September when Ontario enjoys hot, dry weather with temperatures often soaring well above 86°F. If you prefer fewer crowds or are looking to save some money, consider visiting in the other months. Just bear in mind that the off-peak season can see more rain, and the temperatures are a bit cooler.
Best time to book flights to Ontario International Airport
Looking for cheap tickets to Ontario International Airport from the United States? We recommend booking your flight about 45-60 days in advance – this timeframe typically offers the best deals. Remember to use Skyscanner's Price Alert feature for added ease. Once set up, we'll monitor prices and alert you of any changes so you can make the most of your travel budget.
Top things to see and do in Ontario
Ontario, California, USA offers a blend of modern living and natural beauty. The Ontario Mills mall provides a shopping haven, while the Cucamonga-Guasti Regional Park is a favorite for outdoor activities. Visit Euclid Avenue for unique shops and local designs, or wander around Ontario City Library to delve into the local history. If you have a keen eye for architecture, the buildings in Downtown Ontario are worth noting. After a day of exploring the Ontario Museum of History and Art and the Chaffey Community Museum of Art, why not unwind at a local cafe, savoring a cup of coffee or a cool iced tea.
Plan your trip to Ontario
Prices shown on this page are estimated lowest prices only. Found in the last 45 days.