Cheap Flight Tickets from San Jose (SJO) to Ontario (ONT), Starting at $623

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

$623

WN Southwest Airlines • 2 stops • 33h 45m

Jul 20 – Jul 27

The cheapest round trip flight from San Jose to Ontario (SJO-ONT-SJO) is currently $623

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Fastest Flight

18h 50m

The fastest nonstop flight from San Jose to Ontario (SJO-ONT) takes 18h 50m

Top Airlines Flying from San Jose to Ontario

Southwest Airlines-WN

Southwest Airlines

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.

Jul 20 - Jul 27, Economy
WN
San Jose → Ontario
33h 45m
1:40 PM - 9:05 AM • 2 stops
WN
San Jose → Ontario
15h
9:40 AM - 7:40 PM • 1 stop
$623
Southwest Airlines
Jul 20 - Jul 27, Economy
WN
San Jose → Ontario
33h 55m
1:40 PM - 9:15 AM • 2 stops
WN
San Jose → Ontario
15h
9:40 AM - 7:40 PM • 1 stop
$623
Southwest Airlines
Jul 20 - Jul 27, Economy
WN
San Jose → Ontario
18h 50m
1:40 PM - 12:10 AM • 2 stops
WN
San Jose → Ontario
21h 50m
5:30 AM - 7:40 PM • 3 stops
$623
Southwest Airlines
Jul 20 - Jul 27, Economy
WN
San Jose → Ontario
25h 50m
8:45 AM - 11:35 PM • 2 stops
WN
San Jose → Ontario
15h
9:40 AM - 7:40 PM • 1 stop
$623
Southwest Airlines
Jul 20 - Jul 27, Economy
WN
San Jose → Ontario
27h 5m
8:45 AM - 12:10 AM • 2 stops
WN
San Jose → Ontario
20h 50m
5:50 AM - 7:40 PM • 2 stops
$623
Southwest Airlines
Jul 20 - Jul 27, Economy
WN
San Jose → Ontario
23h 50m
8:45 AM - 10:15 PM • 3 stops
WN
San Jose → Ontario
21h 50m
5:30 AM - 7:40 PM • 3 stops
$623
Southwest Airlines

Fly from San Jose to Ontario with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from San Jose to Ontario? Find the biggest savings on one-way and round-trip tickets right here.

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 8:45 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 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 623
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 1:40 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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