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Uncover the best deals on San Jose to Ontario flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest SJC - ONT Flights
Useful information for finding best airline tickets from Norman Y. Mineta San Jose International to Ontario International on your next trip.
Cheapest Round Trip Flight
$793
Southwest Airlines
• nonstop
• 1h 55m
Jun 22 – Jun 23
The cheapest round trip flight from San Jose to Ontario (SJC-ONT-SJC) is currently $793
Cheapest One way Flight
$173
American Airlines
• nonstop
•
Jul 02
The cheapest one way flight from San Jose to Ontario (SJC-ONT) is currently $173
Cheapest Direct Flight
$793
Southwest Airlines
• nonstop
• 1h 55m
Jun 22
The cheapest nonstop flight from San Jose to Ontario (SJC-ONT) is currently $793
Fastest Flight
1h 55m
The fastest nonstop flight from San Jose to Ontario (SJC-ONT) takes 1h 55m
Top Airlines Flying from San Jose to Ontario
Latest Flight Deals from San Jose (SJC) to Ontario (ONT)
Compare and book low fare round-trip air tickets from San Jose to Ontario. Ideal for travelers with confirmed return itineraries.
Jun 22 - Jun 23, Economy
San Jose → Ontario
1h 55m
8:15 PM - 9:30 PM • nonstop
San Jose → Ontario
1h 50m
12:05 PM - 1:15 PM • nonstop
Southwest Airlines
Jun 22 - Jun 23, Economy
San Jose → Ontario
1h 55m
8:15 PM - 9:30 PM • nonstop
San Jose → Ontario
17h 20m
8:30 AM - 7:10 PM • 2 stops
Southwest Airlines
Jun 22 - Jun 23, Economy
San Jose → Ontario
1h 55m
8:15 PM - 9:30 PM • nonstop
San Jose → Ontario
17h 5m
5:45 AM - 4:10 PM • 3 stops
Southwest Airlines
Jun 22 - Jun 23, Economy
San Jose → Ontario
1h 55m
8:15 PM - 9:30 PM • nonstop
San Jose → Ontario
19h 15m
8:15 AM - 8:10 PM • 4 stops
Southwest Airlines
Jun 30 - Jul 07, Economy
San Jose → Ontario
7h 19m
7:10 PM - 11:49 PM • 1 stop
San Jose → Ontario
1h 52m
4:00 PM - 5:12 PM • nonstop
Delta Airlines
Explore competitive one-way airfare options for SJC - ONT flights. Best suited for flexible or open-ended travel plans.
Flying to Ontario soon? We've surfaced some of the most affordable last-minute flights from San Jose to Ontario, ideal for urgent plans or spontaneous trips.
Jun 25 - Jun 26, Economy
San Jose → Ontario
13h 20m
4:05 PM - 12:05 AM • 1 stop
San Jose → Ontario
2h
6:30 AM - 7:50 AM • nonstop
Southwest Airlines
Jun 25 - Jun 26, Economy
San Jose → Ontario
1h 55m
8:15 PM - 9:30 PM • nonstop
San Jose → Ontario
18h 30m
5:15 AM - 4:25 PM • 1 stop
Southwest Airlines
Jun 25 - Jun 26, Economy
San Jose → Ontario
7h 20m
6:50 PM - 11:30 PM • 1 stop
San Jose → Ontario
18h 30m
5:15 AM - 4:25 PM • 1 stop
Southwest Airlines
Jun 25 - Jun 26, Economy
San Jose → Ontario
8h 50m
5:05 PM - 10:35 PM • 1 stop
San Jose → Ontario
18h 30m
5:15 AM - 4:25 PM • 1 stop
Southwest Airlines
Jun 25 - Jun 26, Economy
San Jose → Ontario
23h 25m
9:46 AM - 11:51 PM • 1 stop
San Jose → Ontario
19h 9m
9:00 AM - 8:49 PM • 1 stop
Alaska Airlines
Looking for the fastest way to Ontario? These direct flight options from SJC to ONT offer both convenience and value—no layovers, just straight to your destination.
FAQs on San Jose to Ontario Flights
What are the airports in San Jose?
SJC
What’s the most popular airline flying from SJC to ONT?
The most popular airline flying from San Jose to Ontario are
Can I fly from SJC to ONT non-stop?
Yes, you can fly SJC to ONT non-stop on
Which airlines fly nonstop between San Jose and Ontario?
The non-stop flights between San Jose and Ontario are .
What’s the earliest departure time from SJC to ONT Airport?
The earliest flight leaves SJC at 6:55 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my San Jose to Ontario flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from SJC to ONT?
Read the fare rules of the San Jose to Ontario air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from San Jose and Ontario?
operate flights between San Jose and Ontario
How long does a flight from San Jose to Ontario take?
It takes approximately 1 hour to fly non-stop from SJC to ONT, which is 333.38 miles by air.
Which airlines provide the cheapest flights from San Jose (SJC) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from SJC were found on AA : USD 173
Do I need a passport to fly between SJC and ONT?
No
What’s the latest departure time from SJC to ONT ?
The last flight leaves SJC at 10:000 pm
San Jose (SJC) to Ontario (ONT): Airport Information
| Origin Airport | Norman Y. Mineta San Jose International , San Jose, US |
| Destination Airport | Ontario International , Ontario, US |
| Distance | 333 miles |
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