Cheap Flight Tickets from Ontario (ONT) to San Jose (SJC), Starting at $101

Good to Know: Cheapest and Fastest ONT - SJC Flights

Useful information for finding best airline tickets from Ontario International to Norman Y. Mineta San Jose International on your next trip.

Cheapest Round Trip Flight

$225

WN Southwest Airlines • 1 stop • 9h 10m

Oct 31 – Nov 04

The cheapest round trip flight from Ontario to San Jose (ONT-SJC-ONT) is currently $225

🔍 Search Flights

Cheapest One way Flight

$268

WN Southwest Airlines • nonstop • 2h

Oct 29

The cheapest one way flight from Ontario to San Jose (ONT-SJC) is currently $268

🔍 Search Flights

Cheapest Direct Flight

$101

WN Southwest Airlines • nonstop • 2h

Oct 31

The cheapest nonstop flight from Ontario to San Jose (ONT-SJC) is currently $101

🔍 Search Flights

Fastest Flight

1h 50m

The fastest nonstop flight from Ontario to San Jose (ONT-SJC) takes 1h 50m

Top Airlines Flying from Ontario to San Jose

Southwest Airlines-WN

Southwest Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Delta Airline, DL

Delta Airlines

Latest Flight Deals from Ontario (ONT) to San Jose (SJC)

Compare and book low fare round-trip air tickets from Ontario to San Jose. Ideal for travelers with confirmed return itineraries.

Oct 31 - Nov 04, Economy
WN
Ontario → San Jose
9h 10m
7:40 AM - 1:30 PM • 1 stop
WN
Ontario → San Jose
5h 45m
8:10 AM - 11:55 AM • 1 stop
$225
Southwest Airlines
Oct 31 - Nov 04, Economy
WN
Ontario → San Jose
6h 40m
9:30 AM - 1:30 PM • 1 stop
WN
Ontario → San Jose
9h 15m
11:45 AM - 5:40 PM • 1 stop
$225
Southwest Airlines
Oct 31 - Nov 04, Economy
WN
Ontario → San Jose
6h 55m
1:20 PM - 5:35 PM • 1 stop
WN
Ontario → San Jose
5h 45m
8:10 AM - 11:55 AM • 1 stop
$225
Southwest Airlines
Oct 31 - Nov 04, Economy
AS
Ontario → San Jose
13h 51m
11:29 AM - 8:00 PM • 2 stops
AS
Ontario → San Jose
17h 17m
7:40 AM - 6:17 PM • 2 stops
$385
Alaska Airlines
Oct 31 - Nov 04, Economy
AS
Ontario → San Jose
32h 28m
4:42 PM - 12:30 PM • 2 stops
AS
Ontario → San Jose
12h 18m
10:39 AM - 6:17 PM • 1 stop
$386
Alaska Airlines
Oct 31 - Nov 04, Economy
AS
Ontario → San Jose
27h
7:25 AM - 12:35 PM • 1 stop
AS
Ontario → San Jose
36h 43m
5:21 PM - 3:24 PM • 1 stop
$428
Alaska Airlines

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

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

FAQs on Ontario to San Jose Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to SJC?
The most popular airline flying from Ontario to San Jose are
Can I fly from ONT to SJC non-stop?
Yes, you can fly ONT to SJC non-stop on
Which airlines fly nonstop between Ontario and San Jose?
The non-stop flights between Ontario and San Jose are .
What’s the earliest departure time from ONT to SJC Airport?
The earliest flight leaves ONT at 6:25 am and lands in SJC - Norman Y. Mineta San Jose International
What are the airports in San Jose?
SJC
Can I make changes to my Ontario to San Jose 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 ONT to SJC?
Read the fare rules of the Ontario to San Jose 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 Ontario and San Jose?
operate flights between Ontario and San Jose
How long does a flight from Ontario to San Jose take?
It takes approximately 1 hour to fly non-stop from ONT to SJC, which is 333.38 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to San Jose (SJC) ?
In the past couple of days, the cheapest tickets to SJC from ONT were found on WN : USD 577
Do I need a passport to fly between ONT and SJC?
No
What’s the latest departure time from ONT to SJC ?
The last flight leaves ONT at 8:15 pm

Ontario (ONT) to San Jose (SJC): Airport Information

Origin Airport Ontario International , Ontario, US
Destination Airport Norman Y. Mineta San Jose International , San Jose, US
Distance 333 miles

More Flight Options for Ontario (ONT) and San Jose (SJC)

Why Fareleaders for ONT to SJC Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Ontario to San Jose flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on ONT to SJC flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Ontario to San Jose flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Ontario (ONT) to San Jose (SJC)
Terms and Conditions*