Flights from San Jose to Ontario

Flight deals from San Jose to Ontario

Looking for a cheap last-minute deal or the best roundtrip flight from San Jose to Ontario? If you want to travel next month, roundtrip fares start from $399. Find the lowest prices on one-way and roundtrip tickets right here.

Toronto.$400 per passenger.Departing Mon, Aug 10, returning Fri, Aug 14.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from San Jose International on Mon, Aug 10, arriving in Toronto Pearson International.Inbound indirect flight with Delta, departing from Toronto Pearson International on Fri, Aug 14, arriving in San Jose International.Price includes taxes and charges.From $400, select.

Ottawa.$582 per passenger.Departing Sat, Jul 4, returning Sat, Jul 11.Round-trip flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departing from San Jose International on Sat, Jul 4, arriving in Ottawa International.Inbound indirect flight with WestJet, departing from Ottawa International on Sat, Jul 11, arriving in San Jose International.Price includes taxes and charges.From $582, select.

Thunder Bay.$649 per passenger.Departing Fri, Jul 3, returning Fri, Jul 10.Round-trip flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departing from San Jose International on Fri, Jul 3, arriving in Thunder Bay.Inbound indirect flight with WestJet, departing from Thunder Bay on Fri, Jul 10, arriving in San Jose International.Price includes taxes and charges.From $649, select.

Sudbury.$907 per passenger.Departing Thu, Jul 9, returning Thu, Jul 16.Round-trip flight with Frontier Airlines and Porter Airlines.Outbound indirect flight with Frontier Airlines, departing from San Jose International on Thu, Jul 9, arriving in Sudbury.Inbound indirect flight with Porter Airlines, departing from Sudbury on Thu, Jul 16, arriving in San Jose International.Price includes taxes and charges.From $907, select.

Windsor.$958 per passenger.Departing Thu, Jul 9, returning Thu, Jul 23.Round-trip flight with Alaska Airlines and Porter Airlines.Outbound indirect flight with Alaska Airlines, departing from San Jose International on Thu, Jul 9, arriving in Windsor.Inbound indirect flight with Porter Airlines, departing from Windsor on Thu, Jul 23, arriving in San Jose International.Price includes taxes and charges.From $958, select.

Timmins.$1,008 per passenger.Departing Sat, Jun 20, returning Fri, Jun 26.Round-trip flight with Volaris and Porter Airlines.Outbound indirect flight with Volaris, departing from San Jose International on Sat, Jun 20, arriving in Timmins.Inbound indirect flight with Porter Airlines, departing from Timmins on Fri, Jun 26, arriving in San Jose International.Price includes taxes and charges.From $1,008, select.

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Flying from San Jose to Ontario

Arm yourself with these facts on the fly.

Cheapest flight found	$400
Cheapest month to fly	August
Cheapest airport to fly from	San Jose International

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 travelers recently found round-trip flights from $400 and one-way tickets from $171. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from San Jose International into Toronto Pearson International

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

Fly in August

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

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 flight prices go up and down

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 plane 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 round-trip flights from San Jose to Ontario we could find over the next 12 months. It looks like $399 is the best price. This is good, compared to the average Ontario ticket price of $750.

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

The cheapest month to fly from San Jose to Sudbury Airport is usually July. The cheapest month to fly from San Jose to Windsor Airport is usually July. The cheapest month to fly from San Jose to Thunder Bay Airport is usually July. And the cheapest month to fly from San Jose to Toronto Pearson International Airport is usually August.

On which upcoming date is it cheapest to fly from San Jose to Ontario?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Jose to Ontario on Monday, August 10, 2026.

Are there any direct flights from San Jose to Ontario?

Currently, there aren't any direct flights from San Jose to Ontario, but you can still fly with a stopover.

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

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.