How to get the best price from Ontario to San Francisco?

Depending on when you travel and how far in advance you book, fares between Ontario and San Francisco can differ a lot.

Pick a travel date to see today’s available fares.

Search engines like Jetcost can highlight price changes in just seconds. For example, some users find better prices by flying on one day of the week over another — try several searches to spot the cheapest day.

Which departure and arrival airports are available?

Between Ontario and San Francisco, flight options may depend on the combination of airports available.

• Airports in Ontario: Only Ontario is currently in operation.
• Airports in San Francisco: San Francisco is the only active airport in the area.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Smart ways to search flights from Ontario to San Francisco

Use Jetcost to view tailored results based on what you care about — time, duration, number of stops, or even your preferred booking agency. Results include the best airlines and travel agencies.

Other popular destinations

Flying to United States? Other travelers also searched: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Prefer non-stop flights? Just activate the filter to skip unnecessary layovers. If your dates are flexible, you can also explore different departure and return combinations to find the best fit.