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If traveling to Ontario, the cheapest city to fly from in the last 3 days was Dallas, with flights as low as $34 one-way and $38 round-trip. Flights from Seattle are the most searched and start at $48 for a return trip.
Looking for cheap flights to Ontario International (ONT)? Compare prices from all major travel agents and airlines to find the best deal.
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. Which airlines fly to Ontario?
Find flights to Ontario from $67. Fly from California on WestJet, Flair Airlines and more. Search for Ontario flights on KAYAK now to find the best deal.
Find cheap flight options from North America to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,168,748 searches.
Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight. Find the best flights fast, track prices, and book with confidence
Book cheap flights to Ontario (ONT) with United Airlines. Enjoy all the in-flight perks on your Ontario flight, including speed Wi-Fi.
