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Use Google Flights to find cheap departing flights to Ontario and to track prices for specific travel dates for your next getaway.
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On average, a flight to Ontario costs $139. The cheapest price found on KAYAK in the last 2 weeks cost $17 and departed from Las Vegas. The most popular routes on KAYAK are San Francisco to Ontario which costs $118 on average, and Denver to Ontario, which costs $128 on average. See prices from:
The cheapest ticket to Ontario from the United States found in the last 72 hours was $26 one-way, and $92 round-trip. The most popular route is New York LaGuardia to Toronto Pearson Intl and the cheapest round-trip airline ticket found on this route in the last 72 hours was $199.
Book cheap flights to Ontario (ONT) with United Airlines. Enjoy all the in-flight perks on your Ontario flight, including speed Wi-Fi.
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.
$24 Cheap Flights to Ontario, CA. Roundtrip. One-way. Multi-city. 1 traveler. Economy. Looking for cheap flights to Ontario? Many airlines offer no change fee on selected flights and book now to earn your airline miles on top of our rewards! Find great 2024 Ontario flight deals now!
