Find the best deal for flights from Ontario to San Francisco

Fly Scanner search engine allows you to save money by comparing hundreds of flight deals in seconds, finding the offer that's right for you. Filter your search according to the parameters that interest you and Fly Scanner will show you only the offers that suit your needs.

Save time by comparing only direct flights

Compare the best solutions for direct flights from Ontario to San Francisco choosing among the offers of more than 300 airlines and online agencies. Save time with Fly Scanner and find your airline ticket at the best price in seconds.

Save money on your Ontario - San Francisco flight

With the comparator of Fly Scanner you can quickly and easily compare offers according to your needs. Filter your search according to the parameters that interest you and get only the offers that meet your preferences.

How to find the best flight with Fly Scanner

Enter the class of travel, number of passengers and days of the flight and you can compare the best available offers in seconds. If you have flexibility in choosing your trip, you can save even more! For example, by flying in United States, we can offer you other cheaper destinations or other travel dates for the same destination. How to do this? Apply our filters on the search page!