Schedule of direct flights from San Jose to Ontario
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from San Jose to Ontario:
San Jose airports overview
Ontario airports overview
Frequently asked questions (FAQ)
Answers to questions about the route that travelers are most interested in.
Special offers and sales on air tickets from San Jose to Ontario
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.
Alternative routes
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Cheapest one way flight
$67
Frontier Airlines
1 transfer
3h 23m
10/11/2025
The cheapest one-way flight from San Jose to Ontario departs on 10/11/2025, is operated by Frontier Airlines and costs $67
Cheapest round trip flight
$63
Frontier Airlines
Direct flight
3h 5m
12/03/2025
The cheapest roundtrip flight from San Jose to Ontario departs on 12/03/2025, is operated by Frontier Airlines and costs $63
The fastest flight
1h 20m
Fastest flight from San Jose to Ontario takes 1h 20m
Direct flights
Several times a week
There are direct flights on this route 2 days a week: Fr and Sa
Earliest flight
6:30 AM
Latest flight
8:50 PM
Direct flights count
31
Distance
530km
Timezone difference
0h
The distance between San Jose and Ontario is 530km (329 miles). There are 31 direct flights from San Jose to Ontario. San Jose and Ontario are in the same time zone. Flights from San Jose begin at 6:30 AM. The latest flight from San Jose departs at 8:50 PM
The route San Jose — Ontario is served by several airlines: United Airlines, Frontier Airlines, and Southwest Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $67 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
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!
San Francisco — Los Angeles
SFO — LAX
10/21/2025
Departure
Direct flight
UA1535
Starting at $126
San Francisco — Los Angeles
SFO — LAX
10/09/2025
Departure
Direct flight
UA5710
Starting at $282
San Francisco — Los Angeles
SFO — LAX
10/11/2025
Departure
Direct flight
UA1630
Starting at $254
San Francisco — Los Angeles
SFO — LAX
10/12/2025
Departure
Direct flight
F93308
Starting at $132
San Francisco — Los Angeles
SFO — LAX
10/20/2025
Departure
Direct flight
WN754
Starting at $107
San Francisco — Ontario
SFO — ONT
10/11/2025
Departure
Direct flight
F92678
Starting at $165
San Francisco — Ontario
SFO — ONT
10/09/2025
Departure
Direct flight
UA1697
Starting at $197
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We couldn't find any special offers for flights from San Jose to Ontario
How much is the cheapest flight ticket from San Jose to Ontario?
The cheapest flight ticket from San Jose to Ontario according to data for the last 48 hours costs $67
When is the best time to buy air tickets on the route San Jose — Ontario?
Often the best time to buy tickets from San Jose to Ontario is 2 months before departure.
When is the cheapest time of year to fly from San Jose to Ontario?
Based on statistics over the past years, the lowest prices for flights from San Jose to Ontario can be found flying in these months: November, January, October.
How long does it take to fly from San Jose to Ontario?
The fastest flights from San Jose to Ontario start from 1 hour 20 minutes in the air.
Which airline can fly direct from San Jose to Ontario?
The following airlines operate direct flights on the route San Jose — Ontario: United Airlines, Frontier Airlines, Southwest Airlines
The minimum one-way ticket price from San Jose to Ontario is $46 (November 2025), while the maximum is $121 (December 2025). On average, a ticket costs $76–$82.
