Cheap Flight Tickets from Ontario (ONT) to San Jose (SJC), Starting at $370

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

$442

AS Alaska Airlines • 1 stop • 20h 43m

Aug 31 – Sep 04

The cheapest round trip flight from Ontario to San Jose (ONT-SJC-ONT) is currently $442

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Cheapest Direct Flight

$370

WN Southwest Airlines • nonstop • 1h 55m

Aug 27

The cheapest nonstop flight from Ontario to San Jose (ONT-SJC) is currently $370

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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

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska 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.

Aug 31 - Sep 04, Economy
AS
Ontario → San Jose
20h 43m
6:02 AM - 6:45 PM • 1 stop
AS
Ontario → San Jose
25h 19m
7:45 PM - 11:04 AM • 1 stop
$442
Alaska Airlines
Aug 31 - Sep 04, Economy
AS
Ontario → San Jose
20h 48m
7:12 AM - 8:00 PM • 2 stops
AS
Ontario → San Jose
25h 19m
7:45 PM - 11:04 AM • 1 stop
$444
Alaska Airlines
Aug 31 - Sep 04, Economy
AS
Ontario → San Jose
12h 20m
12:00 PM - 7:40 PM • 2 stops
AS
Ontario → San Jose
25h 19m
7:45 PM - 11:04 AM • 1 stop
$444
Alaska Airlines
Aug 31 - Sep 04, Economy
WN
Ontario → San Jose
1h 55m
3:40 PM - 4:55 PM • nonstop
WN
Ontario → San Jose
1h 55m
4:45 PM - 6:00 PM • nonstop
$695
Southwest Airlines
Aug 31 - Sep 04, Economy
UA
Ontario → San Jose
25h 57m
5:00 AM - 8:57 PM • 1 stop
UA
Ontario → San Jose
13h 24m
12:51 PM - 8:55 PM • 1 stop
$1526
United Airlines
Aug 31 - Sep 04, Economy
AS
Ontario → San Jose
37h 26m
7:59 PM - 6:45 PM • 1 stop
AS
Ontario → San Jose
8h 34m
11:56 AM - 5:10 PM • 1 stop
$1699
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 5:00 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 AS : USD 444
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 7:59 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

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