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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.
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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. Flight deals to Ontario International. Looking for a cheap last-minute deal or the best round-trip flight to Ontario International?
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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.
At just 2.3 miles (3.7km) east of downtown Ontario, Ontario International Airport (ONT) is a small but well-equipped alternative to Los Angeles Airport and John Wayne Airport for passengers flying to California.
