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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.
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.
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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.
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.
Looking for cheap flights to Ontario International airport? Compare prices from over 1,000 travel agents and airlines, and save with Skyscanner.
Getting cheap flights to Toronto is a breeze with Skyscanner. Flight prices change often, and your fare depends on travel date, seat availability, and booking time. We've compared airfares from all top online travel agents and airlines flying to Toronto to find you the most economical flights.
