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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 $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.
Use Google Flights to find cheap departing flights to Ontario and to track prices for specific travel dates for your next getaway.
If traveling to Ottawa, the cheapest city to fly from in the last 3 days was Newark, with flights as low as $102 one-way and $234 round-trip. Flights from Boston are the most searched and start at $278 for a return trip.
Looking for cheap flights to Toronto? Compare prices from hundreds of major travel agents and airlines, including Delta, United and American Airlines.
Book cheap flights to Ontario (ONT) with United Airlines. Enjoy all the in-flight perks on your Ontario flight, including speed Wi-Fi.
