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San Jose

$153+ Cheap flights from Ontario to San Jose (SJC)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJC
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Ontario to San Jose

Keep the following information in mind while searching for Ontario to San Jose flight deals. Data was last updated September 15, 2025.

Round-trip from

$283
(Vliegwinkel)

One-way from

$153
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$399
From Ontario to San Jose
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One-way flight from Ontario to San Jose
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Highest demand for flights based on searches. 8% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to San Jose

Cheapest flights from Ontario to San Jose
Explore the most affordable flight options available from Ontario to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Vliegwinkel deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:45 pmYUL - SJC
1 stop18h 28mMultiple Airlines
Wed 10/1510:53 amSJC - YUL
1 stop17h 00mMultiple Airlines
Deal found 9/14$283
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:30 pmYYZ - SJC
2 stops23h 39mMultiple Airlines
Mon 11/176:19 pmSJC - YYZ
1 stop9h 01mMultiple Airlines
Deal found 9/13$312
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:45 pmYYZ - SJC
1 stop17h 28mMultiple Airlines
Tue 10/286:15 amSJC - YYZ
2 stops15h 23mMultiple Airlines
Deal found 9/13$317
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:45 pmYYZ - SJC
1 stop17h 28mMultiple Airlines
Fri 10/2410:53 amSJC - YYZ
1 stop17h 06mMultiple Airlines
Deal found 9/13$320
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:45 pmYYZ - SJC
1 stop17h 28mMultiple Airlines
Tue 10/286:15 amSJC - YYZ
1 stop12h 07mMultiple Airlines
Deal found 9/13$322
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:00 amYYZ - SJC
1 stop12h 19mMultiple Airlines
Wed 11/51:00 pmSJC - YYZ
1 stop29h 22mMultiple Airlines
Deal found 9/14$326
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/309:30 amYYZ - SJC
1 stop13h 30mMultiple Airlines
Wed 10/810:53 amSJC - YYZ
2 stops16h 59mMultiple Airlines
Deal found 9/13$330
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:20 amYYZ - SJC
2 stops14h 55mDelta
Tue 10/213:22 pmSJC - YYZ
2 stops14h 33mDelta
Deal found 9/15$337
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:45 pmYYZ - SJC
1 stop17h 28mMultiple Airlines
Fri 10/2410:53 amSJC - YYZ
1 stop17h 06mMultiple Airlines
Deal found 9/13$341
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:45 amYYZ - SJC
2 stops19h 01mMultiple Airlines
Tue 10/286:15 amSJC - YYZ
1 stop12h 07mMultiple Airlines
Deal found 9/13$348
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:40 amYYZ - SJC
1 stop15h 06mMultiple Airlines
Thu 10/2310:53 amSJC - YYZ
2 stops16h 19mMultiple Airlines
Deal found 9/13$357
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1812:00 pmYYZ - SJC
2 stops13h 46mMultiple Airlines
Tue 10/216:15 amSJC - YYZ
1 stop12h 35mMultiple Airlines
Deal found 9/15$361

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to San Jose that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Ontario to San Jose that are best for you.

Fly from

Ontario

Fly to

San Jose

Route

Depart

Return

Price

MontrealSan Jose

YUL - SJC

YULSJC

Montreal Pierre Elliott Trudeau Intl

Mon 10/6

6:45 pm-10:13 am

1 stop18h 28m

San Jose

Wed 10/15

10:53 am-6:53 am

1 stop17h 00m

$283

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sat 10/25

6:20 am-9:05 pm

2 stops17h 45m

San Jose

Sat 11/15

7:59 pm-2:48 pm

2 stops15h 49m

$337

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 2/24

4:45 pm-10:03 pm

1 stop8h 18m

San Jose

Wed 2/25

1:00 pm-3:35 pm

1 stop23h 35m

$353

MontrealSan Jose

YUL - SJC

YULSJC

Montreal Pierre Elliott Trudeau Intl

Wed 10/15

6:40 pm-8:18 am

2 stops16h 38m

San Jose

Wed 10/22

1:30 pm-11:31 am

2 stops19h 01m

$365

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sat 10/11

1:20 pm-10:17 pm

1 stop11h 57m

San Jose

Sat 10/25

5:00 pm-12:10 pm

2 stops16h 10m

$369

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 10/29

6:15 am-6:55 pm

2 stops15h 40m

San Jose

Wed 11/5

7:15 am-11:58 pm

2 stops13h 43m

$376

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sat 10/25

4:45 pm-10:57 am

1 stop21h 12m

San Jose

Sat 11/15

5:20 pm-3:35 pm

1 stop19h 15m

$382

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 12/3

4:45 pm-10:14 am

1 stop20h 29m

San Jose

Thu 12/4

12:39 pm-3:35 pm

2 stops23h 56m

$389

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sat 10/25

6:20 am-3:57 pm

2 stops12h 37m

San Jose

Fri 11/28

5:45 am-5:15 pm

2 stops8h 30m

$389

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 10/1

1:20 pm-7:49 pm

1 stop9h 29m

San Jose

Sat 10/4

1:31 pm-10:21 am

2 stops17h 50m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to San Jose

Have a flexible travel schedule? Discover the best time to fly to San Jose from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to San Jose

What is the cheapest month to book a flight from Region of Ontario to San Jose?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to San Jose (average of $255). Flying from Region of Ontario to San Jose in June is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to SJC?

Find hourly flight availability from Ontario to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to San Jose as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Ontario to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Jose from Ontario?

    For a flight from Ontario to San Jose, you will be flying into San Jose. San Jose (SJC) is just 2.9 mi from the center of the city.

  • How long is the flight from Region of Ontario to San Jose?

    There are many flights that can get you from Region of Ontario to San Jose in 8h 18m. Fly via Delta, Alaska Airlines, or United Airlines to get the fastest option. The distance from Region of Ontario to San Jose is about 2238 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Region of Ontario to San Jose one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $237. However, be on the lookout for offers from Air Canada and WestJet, as they are both options that can get you from Region of Ontario to San Jose for a low price.

  • What are the most popular routes from Region of Ontario to San Jose?

    The most popular route from Region of Ontario to San Jose is Toronto Pearson Intl - San Jose. You may also consider Montreal Pierre Elliott Trudeau Intl - San Jose or Toronto Region of Waterloo Intl - San Jose.

  • Can I find deals for flights from Ontario to San Jose that include hotel bookings?

    Yes. In addition to deals on Ontario to San Jose flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to San Jose?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to San Jose.

  • Can I find deals for business class flights from Ontario to San Jose?

    Yes. Cheapflights offers flight deals from Ontario to San Jose by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to San Jose?

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to San Jose (average of $255). Flying from Region of Ontario to San Jose in June is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Ontario to San Jose

Discover the top 4 airlines that operate flights from Ontario to San Jose. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$284Average$349FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$284Average$462FlexibilityNo cancel feeOn-time67%
DeltaCheapest$285Average$364FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$316Average$470FlexibilityNo cancel feeOn-time71%

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