starting at $562
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starting at $29
starting at $47
Compare airlines, prices, and flight durations for your trip
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from San Jose to Ontario:
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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.
Looking for cheap flights from San Jose to Ontario? Look no further! Our air ticket search website offers the best deals and discounts on airfare for this route. Whether you're planning a quick business trip or a weekend getaway, we've got you covered. Fly hassle-free from San Jose (United States) to Ontario (United States) without breaking the bank. With our user-friendly search engine, finding the most affordable flights has never been easier. Explore a variety of flight options from top airlines and choose the one that suits your budget and schedule. Experience convenience and affordability when booking your air tickets with us. Don't miss out on incredible savings - start planning your trip from San Jose to Ontario today! Simply enter your travel dates, and let us do the rest. Book now and make your travel dreams a reality.
The San Jose — Ontario route is served by a wide range of airlines: 5 in total, including American Airlines, United Airlines, Alaska Airlines, Frontier Airlines, and Southwest Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $29. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.
starting at $562
starting at $84
starting at $130
starting at $29
starting at $47
San Francisco — Los Angeles
01/13/2026
Departure
Direct flight
AA9344
starting at $562
San Francisco — Los Angeles
02/26/2026
Departure
Direct flight
UA1688
starting at $84
San Francisco — Los Angeles
01/15/2026
Departure
Direct flight
UA5937
starting at $380
San Francisco — Los Angeles
02/06/2026
Departure
Direct flight
AS3380
starting at $130
Unable to find information about the schedule of direct flights from
The cheapest one-way flight from San Jose to Ontario departs on 02/06/2026, is operated by Frontier Airlines and costs $29
There is no information about the cheapest roundtrip flight from San Jose to Ontario
Fastest flight from San Jose to Ontario takes 1h 20m
There are direct flights on this route 3 days a week: Tu, Th, and Fr
The distance between San Jose and Ontario is 530km (329 miles). There are 29 direct flights from San Jose to Ontario. San Jose and Ontario are in the same time zone. Flights from San Jose begin at 6:50 AM. The latest flight from San Jose departs at 9:30 PM
Looking to fly from San Jose, United States to Ontario, United States? You're in luck! Direct flights are available on our air ticket search website. With quick and convenient travel, direct flights eliminate the hassle of layovers and allow you to reach your destination faster. Whether you're traveling for business or pleasure, this non-stop route ensures a seamless journey from San Jose to Ontario. However, in the rare case that direct flights are not available, don't fret! There are alternative routes with transfers that can still get you to your destination. Connecting flights via major airports such as Los Angeles or San Francisco provide viable options to reach Ontario from San Jose. Although these routes may involve a layover, they offer flexibility and can still get you to your desired location efficiently. Explore our air ticket search website to find the best options for your travel needs and fly hassle-free from San Jose to Ontario!
The cheapest flight ticket from San Jose to Ontario according to data for the last 48 hours costs $29
Often the best time to buy tickets from San Jose to Ontario is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from San Jose to Ontario can be found flying in these months: February, January, April.
The fastest flights from San Jose to Ontario start from 1 hour 20 minutes in the air.
The following airlines operate direct flights on the route San Jose — Ontario: American Airlines, United Airlines, Alaska Airlines
The minimum one-way ticket price from San Jose to Ontario is $123 (February 2026), while the maximum is $250 (October 2026). On average, a ticket costs $191–$194.
We couldn't find any special offers for flights from San Jose to Ontario