Find out what a flight from Ontario to San Francisco might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between Ontario and San Francisco.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Which airports serve Ontario and San Francisco?

When planning a trip of about 584 km, it's a good idea to check flights from surrounding airports too.

• Airports in Ontario: Ontario is the only operational airport in the area.
• Airports in San Francisco: The only active airport in San Francisco is San Francisco.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Find the best flight from Ontario to San Francisco

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from the best airlines and travel agencies.

Other popular destinations

Searching for flights to United States? Travelers also looked at: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Ontario – San Francisco flights.