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Search Ontario flights on KAYAK. Find cheap tickets to Ontario from anywhere in United States. KAYAK searches hundreds of travel sites to help you find cheap airfare and book the flight that suits you best. With KAYAK you can also compare prices of plane tickets for last minute flights to Ontario from anywhere in United States.
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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.
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.
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 with...
Book cheap flights to Ontario (ONT) with United Airlines. Enjoy all the in-flight perks on your Ontario flight, including speed Wi-Fi.
