Our data suggests that currently, the cheapest flights from Ontario are being offered by American Airlines, Major Airline, and Alaska Airlines. For example, American Airlines flights from Ontario to Chicago, start at $28, Major Airline flights from Ontario to Austin cost around $43, and Alaska Airlines flights from Ontario to Missoula are around $99.
Currently, the cheapest flight from Ontario found by our users is for $27 to San Jose. Prices will vary according to several factors such as the departure date and time, but on average you can expect to pay around $330 to travel from Ontario to San Jose.
Dallas/Fort Worth Airport, Seattle and San Francisco are currently the destinations served most frequently from Ontario, with 13, 12 and 10 flights per day on average, respectively.
Airlines including American Airlines, United Airlines and Major Airline frequently fly from Ontario. You can view other airlines by performing a quick search in the form above.
If you are looking for a cheap first class flight, consider flights to Seattle, for which the starting price of a first class seat can be as low as $260.