Cheap flights from San Francisco to Ontario

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How much is a flight from San Francisco to Ontario?

There’s no fixed price — fares between San Francisco and Ontario can vary a lot by day or time.

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

Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!

Are there alternative airports near San Francisco and Ontario?

The two cities are about 584 km apart. Looking beyond the main airport might reveal better options.

  • Airports in San Francisco: San Francisco is the only airport in operation.
  • Airports in Ontario: Only Ontario is active at the moment.

Many smaller airports are connected by direct buses or shuttles, often at low cost. If Ontario has more than one airport, you can pick the most convenient for your destination.

Plan your journey from San Francisco to Ontario with ease

Use Jetcost to tailor your search — direct or connecting flights, round-trip or one-way, filtered by airline, price, travel time, or agency.

Other popular destinations

Exploring options in United States? These cities are trending: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Flight availability can change quickly — refresh the results if you’ve been away from the page for a while.
Frequently Asked Questions

Frequently asked questions about flights from San Francisco to Ontario.

How much does an airline ticket from San Francisco to Ontario cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from San Francisco to Ontario.

How far is San Francisco from Ontario?

San Francisco is about 584 km from Ontario.

What are the airports in Ontario?

Ontario has one airport: Ontario.

What are the airports in San Francisco?

San Francisco has one airport: San Francisco.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Las Vegas, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from San Francisco to Ontario?

The best time to book a flight from San Francisco to Ontario is 5 months in advance, while the worst time is 20 weeks in advance.

What is the cheapest month to fly from San Francisco to Ontario?

This information is not available at the moment.

What is the most expensive month to fly from San Francisco to Ontario?

This information is not available at the moment.

What is the best day of the week to fly from San Francisco to Ontario?

This information is not available at the moment.