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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:
Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.
Cheap flight deals to Toronto. Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights to Toronto that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
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Book cheap flights to Ontario (ONT) with United Airlines. Enjoy all the in-flight perks on your Ontario flight, including speed Wi-Fi.
Search Canada flights on KAYAK. Find cheap tickets to anywhere in Canada 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.
Find flights to Canada from $29. Fly from the United States on Flair Airlines, WestJet and more. Search for Canada flights on KAYAK now to find the best deal.
