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If traveling to Ontario, the cheapest city to fly from in the last 3 days was San Francisco, with flights as low as $33 one-way and $38 round-trip. Flights from Seattle are the most searched and start at $48 for a return trip.
Use Google Flights to find cheap departing flights to Ontario and to track prices for specific travel dates for your next getaway.
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.
Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.
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.
We've compared plane tickets from all major online travel agents and airlines flying to Ontario to find the cheapest flights. And with us, there are no hidden fees – what you see is what you pay. Flex your dates to secure the best air ticket price for your Ontario flight.
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.
