Cheap flights from Ontario to San Francisco

1 adult
Tue 24/5
Tue 31/5

Flight information for Ontario to San Francisco
(ONT to SFO)

Find info about flight duration, direct flights, and airports for your flight from Ontario to San Francisco

Fastest flight time

1h 22m

Direct flights

Tue, Fri, Sat and Sun

Airports in San Francisco

1 airport
The fastest flight from Ontario to San Francisco takes 1h 22m
Direct flights go from Ontario to San Francisco on Tuesday, Friday, Saturday and Sunday. Airlines offering direct flights are: Air Canada and Frontier.
There is 1 airport near San Francisco: San Francisco (SFO)

How to get the cheapest flight ticket from Ontario to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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


The cheapest time of year to fly to San Francisco from Ontario is August. The most expensive is November.

How far in advance should you book Ontario to San Francisco flights?

31 days before

The cheapest time to buy a flight from Ontario to San Francisco is approximately 31 days to departure

  • How far is Ontario to San Francisco by plane?

    There are 595,7 km between Ontario and San Francisco.

Why use momondo?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to San Francisco . Millions of users trust and use momondo every year so you are in good hands.

All flight searches from Ontario to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to San Francisco.

Yes. momondo can track prices for Ontario to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

Here's why travellers choose to use momondo
Flexible Travel
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Expert Insights
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