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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.
On average, a flight to Ontario costs $139. The cheapest price found on KAYAK in the last 2 weeks cost $19 and departed from Sacramento. 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.
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KAYAK compares all flights & prices from Air Canada, Porter Airlines, Expedia, WestJet & more. Find flights to Ottawa: from Newark from $98; Orlando from $112; Boston from $123 | KAYAK.
Book cheap flights to Ontario (ONT) with United Airlines. Enjoy all the in-flight perks on your Ontario flight, including speed Wi-Fi.
Use Google Flights to find cheap departing flights to Ontario and to track prices for specific travel dates for your next getaway. Find the best flights fast, track prices, and book...
Looking for a cheap last-minute deal or the best roundtrip flight to Ontario? Find our lowest prices on one-way and roundtrip tickets to the most convenient airport right here.
