C$ 82 Find Cheap Flights from San Francisco to Ontario – Compare and Save

The cheapest month for flights from San Francisco to Ontario is September, where tickets cost C$ 223 (return) on average. On the other hand, the most expensive months are February and March, where the average cost of round-trip tickets is C$ 439 and C$ 386 respectively.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 200 on average.

Weekly flights between San Francisco and Ontario historically see delays in approximately 16% of cases, with the average delay over the past year being 114 minutes.

Typically, flights leaving in the evening tend to face fewer delays, whereas flights at night have historically encountered delays more often.

Statistically, Saturday is the day of the week with the fewest delays on this flight route, while Thursday has typically experienced more delays than other days.

Based on our data, United Airlines have experienced the fewest delays on this route in the past 12 months, with only about 14% of their flights encountering any delays.

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 2 and 5 nonstop flights that take off from San Francisco and land in Ontario, with an average flight time of 1h 36m. The most common departure time is 4:00 p.m. and most flights take off in the afternoon. Each week, there are 28 flights. The most frequent day of departure is Monday, when 18% of all weekly flights depart. The fewest flights depart on a Tuesday.