Compare airlines, prices, and flight durations for your trip
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.
A non-stop 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.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Ontario to San Jose:
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Answers to questions about the route that travelers are most interested in.
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 Ontario — San Jose route is served by multiple airlines, including United Airlines, Alaska Airlines, and American Airlines. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $52, and depending on season and promotions, even better deals may appear. With our service, you can easily compare available options and book tickets that match your plans. The variety of carriers allows flexible choices and comfortable travel without overpaying.
Los Angeles — San Francisco
02/17/2026
Departure
Direct flight
UA2154
starting at $138
Los Angeles — San Francisco
07/04/2026
Departure
Direct flight
AS3440
starting at $104
Los Angeles — San Francisco
01/20/2026
Departure
Direct flight
UA1453
starting at $151
Unable to find information about the schedule of direct flights from
The cheapest one-way flight from Ontario to San Jose departs on 01/21/2026, is operated by Alaska Airlines and costs $52
The cheapest roundtrip flight from Ontario to San Jose departs on 02/13/2026, is operated by Southwest Airlines and costs $257
Fastest flight from Ontario to San Jose takes 1h 25m
There are direct flights on this route 2 days a week: Tu and Sa
The distance between Ontario and San Jose is 530km (329 miles). There are 29 direct flights from Ontario to San Jose. Ontario and San Jose are in the same time zone. Flights from Ontario begin at 6:20 AM. The latest flight from Ontario departs at 8:30 PM
The cheapest flight ticket from Ontario to San Jose according to data for the last 48 hours costs $52
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: January, February, April.
The fastest flights from Ontario to San Jose start from 1 hour 25 minutes in the air.
The following airlines operate direct flights on the route Ontario — San Jose: United Airlines, Alaska Airlines
In different months, ticket prices from Ontario to San Jose vary: minimum — $81 (January 2026), maximum — $177 (August 2026). Typically, the flight costs $136–$176.
We couldn't find any special offers for flights from Ontario to San Jose
