How does KAYAK find such low prices on flights from Ontario to San Jose?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to San Jose. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to San Jose?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Jose from Ontario is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Ontario to San Jose?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Jose with an airline and back to Ontario with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to San Jose?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Jose from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$139 CHEAP FLIGHTS from Ontario to San Jose

KAYAK searches hundreds of travel sites at once for deals on flights to San Jose

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$250

Typical prices: $301-$414

Multiple Airlines

Wed 1/7Mon 1/19

YYZ - SJC • 2 stops

Cheapest one-way

$139

Typical prices: $233-$431

Multiple Airlines

Thu 1/22

YYZ - SJC • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to San Jose!

Flight Deals

Cheap Flights from Ontario to San Jose

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to San Jose that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to San Jose

Wed, Jan 7 - Mon, Jan 19

12:30 pm - 6:36 pmYYZ-SJC

33h 06m2 stops

11:14 am - 6:47 amSJC-YYZ

16h 33m1 stop

$250Multiple Airlines

Find Deal

Wed, Jan 7 - Sun, Jan 18

12:30 pm - 6:36 pmYYZ-SJC

33h 06m2 stops

11:14 am - 6:47 amSJC-YYZ

16h 33m1 stop

$252Multiple Airlines

Find Deal

Wed, Jan 7 - Mon, Jan 19

12:30 pm - 6:36 pmYYZ-SJC

33h 06m2 stops

11:14 am - 6:47 amSJC-YYZ

16h 33m1 stop

$255Multiple Airlines

Find Deal

Tue, Mar 31 - Wed, Apr 8

5:25 pm - 10:50 pmYOW-SJC

8h 25m1 stop

3:49 pm - 9:11 amSJC-YOW

14h 22m2 stops

$282United Airlines

Find Deal

Tue, Mar 31 - Wed, Apr 8

6:00 am - 10:50 pmYOW-SJC

19h 50m2 stops

3:49 pm - 1:45 pmSJC-YOW

18h 56m2 stops

$340United Airlines

Find Deal

Sun, Jan 25 - Sat, Jan 31

6:00 am - 10:12 pmYUL-SJC

19h 12m2 stops

7:45 am - 11:12 pmSJC-YUL

12h 27m2 stops

$439Delta

Find Deal

Wed, Jan 14 - Sun, Jan 18

2:40 pm - 8:57 amYUL-SJC

21h 17m2 stops

3:47 pm - 11:45 amSJC-YUL

16h 58m2 stops

$507Delta

Find Deal

Thu, Jan 29 - Sun, Feb 8

6:20 am - 2:52 pmYKF-SJC

35h 32m3 stops

7:45 am - 5:29 amSJC-YKF

18h 44m2 stops

$573WestJet

Find Deal

Mon, Feb 16 - Sun, Feb 22

6:20 am - 8:19 pmYKF-SJC

16h 59m2 stops

9:15 am - 5:29 amSJC-YKF

41h 14m2 stops

$578WestJet

Find Deal

Sat, Jan 10 - Sat, Jan 17

6:45 am - 6:34 pmYOW-SJC

14h 49m3 stops

6:00 am - 9:11 pmSJC-YOW

12h 11m2 stops

$706American Airlines

Find Deal

Useful Info

Low season	September
High season	May
Cheapest flight	$139

Best time to beat the crowds but there is an average 5% increase in price.

Most popular time to fly with an average 28% increase in price.

Flight from Toronto Pearson Airport to San Jose

How does KAYAK find such low prices on flights from Ontario to San Jose?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to San Jose.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to San Jose?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Jose from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Ontario to San Jose?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Jose with an airline and back to Ontario with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to San Jose?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Jose from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to San Jose

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in San Jose

San Jose (SJC)

$139 Find Cheap Flights from Ontario to San Jose

KAYAK searches hundreds of travel sites at once for deals on flights to San Jose

Everything you should know

Cheap Flights from Ontario to San Jose

Recent round-trip flight deals from Ontario to San Jose

Recent one-way flight deals from Ontario to San Jose

Recent last minute flight deals from Ontario to San Jose

Good to know

FAQs for booking flights from Ontario to San Jose

How does KAYAK find such low prices on flights from Ontario to San Jose?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to San Jose.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to San Jose?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Jose from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Ontario to San Jose?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Jose with an airline and back to Ontario with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to San Jose?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Jose from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to San Jose

Information on the airport you'll fly into in San Jose

Cabin class types available on flights to Ontario

Complete your trip to San Jose with a hotel stay or car rental

Find direct flights for San Jose

Flights to other popular destinations

Flights from domestic origins to San Jose

Choose which airport to fly into in San Jose

Find deals for your return flight