Compare offers from the best airlines and travel agencies

If you are looking for a cheap flight from San Francisco to Ontario, Fly Scanner finds in seconds the most convenient offers for you by comparing available airline tickets from the best airlines and online travel agencies. From low cost flights to non-stop flights, Fly Scanner will propose you only the most convenient offers based on the selected filters.

Fly from San Francisco to Ontario at the best price

The search engine of Fly Scannerfinds the best price among hundreds of offers, proposing only the best solutions for a flight from San Francisco to Ontario. For example, you can save time by filtering your search by direct flights and the search engine will return only the cheapest flights that may interest you.

Compare cheap San Francisco - Ontario flights

Fly Scanner finds the best travel solutions among the offers of hundreds of airlines, proposing even cheaper alternatives.

Direct flights and flexible dates

Fly Scanner helps you save money by also showing you travel deals for days close to your chosen dates and for airports close to San Francisco or Ontario. Moreover, if you want to avoid stopovers, with Fly Scanner you can compare only the prices of direct flights from San Francisco to Ontario by simply checking the option on the search page.