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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 SJO - ONT Flights
Useful information for finding best airline tickets from Juan Santamaria International to Ontario International on your next trip.
Cheapest Round Trip Flight
$421
Southwest Airlines
• 3 stops
• 32h 35m
Dec 22 – Jan 08
The cheapest round trip flight from San Jose to Ontario (SJO-ONT-SJO) is currently $421
Fastest Flight
19h 5m
The fastest nonstop flight from San Jose to Ontario (SJO-ONT) takes 19h 5m
Top Airlines Flying from San Jose to Ontario
Latest Flight Deals from San Jose (SJO) to Ontario (ONT)
Compare and book low fare round-trip air tickets from San Jose to Ontario. Ideal for travelers with confirmed return itineraries.
Dec 22 - Jan 08, Economy
San Jose → Ontario
32h 35m
2:10 PM - 8:05 AM • 3 stops
San Jose → Ontario
39h 10m
11:55 AM - 1:45 PM • 2 stops
Southwest Airlines
Dec 22 - Jan 08, Economy
San Jose → Ontario
44h 15m
3:25 PM - 4:20 PM • 2 stops
San Jose → Ontario
35h 5m
2:40 PM - 1:45 PM • 2 stops
Southwest Airlines
Dec 22 - Jan 08, Economy
San Jose → Ontario
39h
2:10 PM - 11:50 AM • 2 stops
San Jose → Ontario
41h 55m
9:35 AM - 12:50 PM • 2 stops
Southwest Airlines
Dec 22 - Jan 08, Economy
San Jose → Ontario
51h 55m
3:25 PM - 8:40 PM • 3 stops
San Jose → Ontario
39h 10m
11:55 AM - 1:45 PM • 2 stops
Southwest Airlines
Dec 22 - Jan 08, Economy
San Jose → Ontario
32h 35m
2:10 PM - 8:05 AM • 2 stops
San Jose → Ontario
33h 30m
2:40 PM - 12:50 PM • 2 stops
Southwest Airlines
FAQs on San Jose to Ontario Flights
What are the airports in San Jose?
SJO
What’s the most popular airline flying from SJO to ONT?
The most popular airline flying from San Jose to Ontario are
Can I fly from SJO to ONT non-stop?
NO
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 SJO to ONT Airport?
The earliest flight leaves SJO at 2:10 pm 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 SJO 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 6 hour to fly non-stop from SJO to ONT, which is 2685.15 miles by air.
Which airlines provide the cheapest flights from San Jose (SJO) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from SJO were found on WN : USD 421
Do I need a passport to fly between SJO and ONT?
Yes
What’s the latest departure time from SJO to ONT ?
The last flight leaves SJO at 3:25 pm
San Jose (SJO) to Ontario (ONT): Airport Information
| Origin Airport | Juan Santamaria International , San Jose, CR |
| Destination Airport | Ontario International , Ontario, US |
| Distance | 2685 miles |
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