How much is a flight from Ontario to San Francisco?

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

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

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Ontario - San Francisco route.

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.

Explore flights from Ontario to San Francisco your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by agency like eDreams or Expedia. Options include Ryanair, British Airways, Easyjet, and more.

Other popular destinations

Also interested in United States? Check out: Las Vegas, Los Angeles, Miami, New York City, Orlando.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.