Airlines operating on route
Starting at $37
Starting at $82
Helping travelers to find the best flight offers
Starting at $37
Starting at $82
A direct flight is the most convenient and comfortable way to fly from Ontario to San Jose, despite the fact that sometimes flights with transfers can cost significantly less.
Los Angeles — San Jose
09/01/2025
Departure date
Direct flight
WN3429
Starting at $119
Ontario — San Jose
05/09/2025
Departure date
Direct flight
WN250
Starting at $118
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Ontario to San Jose:
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The cheapest flight ticket from Ontario to San Jose according to data for the last 48 hours costs $71
Often the best time to buy tickets from Ontario to San Jose is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Ontario to San Jose can be found flying in these months: April.
The fastest flights from Ontario to San Jose start from 1 hour 27 minutes in the air.
The following airlines operate direct flights on the route Ontario — San Jose: Southwest Airlines
Unable to find information about the schedule of direct flights from
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Ontario to San Jose. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Ontario to San Jose
Below you will find a list of airlines operating flights on the Ontario — San Jose route and the starting prices for flights of each specific airline on it.
The cheapest one-way flight from Ontario to San Jose departs on 05/09/2025, is operated by Frontier Airlines and costs $71
The cheapest roundtrip flight from Ontario to San Jose departs on 04/17/2025, is operated by Spirit Airlines and costs $84
Fastest flight from Ontario to San Jose takes 1h 27m
There are direct flights on this route 1 day a week: Su
The distance between Ontario and San Jose is 530km (329 miles). There are 32 direct flights from Ontario to San Jose. Ontario and San Jose are in the same time zone. Flights from Ontario begin at 6:10 AM. The latest flight from Ontario departs at 8:40 PM.
We couldn't find any special offers for flights from Ontario to San Jose