Cheap flights from Ontario to San Jose
From 142 USD — compare hundreds of airlines
About this route
Compare flights from Ontario to San Jose, a about 530 km route (around 1h 10m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Southwest Airlines operate this route.
Airlines on this route
FAQ
What's the cheapest month to fly Ontario to San Jose?
Prices vary by season; use the price calendar to find the cheapest month.
How long is the flight from Ontario to San Jose?
A nonstop flight takes about 1h 10m and covers around 530 km. Connecting itineraries take longer.
Are there direct flights from Ontario to San Jose?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Ontario to San Jose?
Southwest Airlines operate this route, among others. Compare them all in the results.
When should I book Ontario–San Jose flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.