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Flights from San Jose International Airport to Ontario

Flight deals from San Jose International Airport to Ontario

Looking for a cheap last-minute deal or the best roundtrip flight from San Jose International Airport to Ontario? If you want to travel next month, roundtrip fares start from $401. Find the lowest prices on one-way and roundtrip tickets right here.
Toronto.$399 per passenger.Departing Sat, Jul 11, returning Wed, Jul 15.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from San Jose International on Sat, Jul 11, arriving in Toronto Pearson International.Inbound indirect flight with Delta, departing from Toronto Pearson International on Wed, Jul 15, arriving in San Jose International.Price includes taxes and charges.From $399, select.
Ottawa.$641 per passenger.Departing Sun, Jul 5, returning Tue, Jul 14.Round-trip flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departing from San Jose International on Sun, Jul 5, arriving in Ottawa International.Inbound indirect flight with WestJet, departing from Ottawa International on Tue, Jul 14, arriving in San Jose International.Price includes taxes and charges.From $641, select.
London.$673 per passenger.Departing Mon, Jul 13, returning Mon, Jul 20.Round-trip flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departing from San Jose International on Mon, Jul 13, arriving in London.Inbound indirect flight with WestJet, departing from London on Mon, Jul 20, arriving in San Jose International.Price includes taxes and charges.From $673, select.
Sudbury.$909 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 $909, select.
Windsor.$960 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 $960, select.
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Flying from San Jose International Airport to Ontario

Arm yourself with these facts on the fly.
Cheapest flight found$399
Cheapest month to flyJuly

Frequently asked questions

We looked at all of the upcoming round-trip flights from San Jose International Airport 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 $716.
The cheapest month to fly from San Jose International Airport to Ottawa International Airport is currently July.
The cheapest month to fly from San Jose International Airport to Sudbury Airport is currently July.
The cheapest month to fly from San Jose International Airport to Windsor Airport is currently July.
And the cheapest month to fly from San Jose International Airport to London Airport is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Jose International Airport to Ontario on Saturday, July 11, 2026.
If you're flying from San Jose International, the cheapest city in Ontario to fly into is Toronto. The cheapest airport serving Toronto at the moment is Toronto Pearson International.

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