Flights from San Jose to Ontario

Flight deals from San Jose to Ontario

Looking for cheap tickets from San Jose to Ontario, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Toronto.C$152 per passenger.Departing Thu., Oct. 23.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from San Jose Juan Santamaria on Thu., Oct. 23, arriving in Toronto Pearson International.Price includes taxes and charges.From C$152, select.

Ottawa.C$223 per passenger.Departing Tue., Oct. 28.One-way flight with United.Outbound indirect flight with United, departs from San Jose Juan Santamaria on Tue., Oct. 28, arriving in Ottawa International.Price includes taxes and charges.From C$223, select.

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Flying from San Jose to Ontario

Arm yourself with these facts on the fly.

Cheapest flight found	C$152
Cheapest month to fly	October
Average flight time	5 hrs, 18 mins
Cheapest airport to fly from	San Jose Juan Santamaria
Most popular airline	Air Canada

How to find cheap flights from San Jose to Ontario

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from San Jose to Ontario. Other savvy travellers recently found return flights from C$382 and one-way tickets from C$152 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from San Jose Juan Santamaria into Toronto Pearson International

At the moment, the lowest priced flight tickets to Ontario are from San Jose Juan Santamaria Airport to Toronto Pearson International Airport.

Fly in October

We crunched the flight calendar and found the cheapest time to fly from San Jose to Ontario is currently October.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from San Jose to anywhere you choose in Ontario.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from San Jose to Ontario go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Ontario to Ontario flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average San Jose to Ontario flight price?

We looked at all of the upcoming return flights from San Jose to Ontario we could find over the next 12 months. It looks like C$382 is the best price. This is good, compared to the average Ontario ticket price of C$462.

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

The cheapest month to fly from San Jose to Toronto Pearson International Airport is currently October. The cheapest month to fly from San Jose to Ottawa International Airport is usually November

Which upcoming date is cheapest to fly from San Jose to Ontario on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Jose to Ontario on Thursday, October 23, 2025.

Are there any direct flights from San Jose to Ontario?

San Jose Juan Santamaria Airport offers direct flights to Ontario.

If I'm flying from San Jose, where in Ontario is cheapest to fly into?

If you're flying from San Jose, the cheapest city in Ontario to fly into is Toronto. The cheapest airport serving Toronto at the moment is Toronto Pearson International.