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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.
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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.
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Flights to Ontario International Airport (ONT) Compare Ontario International Airport flights across hundreds of providers. Find the cheapest month or even day of the year to fly. Book the best flight with no fees.
Arrivals at Ontario Airport (ONT) - Today. Check the status of your flight to Ontario Airport (ONT) using the information on our arrivals page. The data on arrival times and status is frequently updated in real time.
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.
