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San Jose

$182+ Cheap flights from Ontario to San Jose, CA (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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJC
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$301
(United Airlines)

One-way from

$157
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$397
Provider with most accurate pricing for Toronto (YTO)-San Jose flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-San Jose flights.
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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. 9% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/233:10 pmYOW - SJC
2 stops21h 55mUnited Airlines
Thu 11/278:45 amSJC - YOW
2 stops9h 33mUnited Airlines
Deal found 10/29$302
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:10 amYYZ - SJC
1 stop9h 08mUnited Airlines
Wed 11/266:40 pmSJC - YYZ
1 stop17h 22mUnited Airlines
Deal found 10/30$320
This Delta deal was found by Cheapflights users on 10/29. 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.
Mon 11/246:30 amYYZ - SJC
2 stops14h 54mDelta
Wed 12/36:35 amSJC - YYZ
1 stop12h 23mDelta
Deal found 10/29$322
This Delta deal was found by Cheapflights users on 10/30. 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.
Thu 11/2012:08 pmYYZ - SJC
2 stops13h 47mDelta
Wed 11/266:25 amSJC - YYZ
1 stop12h 34mDelta
Deal found 10/30$323
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:10 amYYZ - SJC
1 stop10h 31mAmerican Airlines
Sun 12/146:00 amSJC - YYZ
1 stop13h 44mAmerican Airlines
Deal found 10/29$332
This Delta deal was found by Cheapflights users on 10/29. 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 12/1312:23 pmYYZ - SJC
2 stops12h 22mDelta
Sat 12/206:20 amSJC - YYZ
2 stops13h 30mDelta
Deal found 10/29$361
This Delta deal was found by Cheapflights users on 10/30. 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.
Thu 11/276:30 amYYZ - SJC
2 stops14h 51mDelta
Mon 12/16:25 amSJC - YYZ
1 stop12h 34mDelta
Deal found 10/30$362
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:00 amYYZ - SJC
1 stop9h 33mUnited Airlines
Mon 12/16:25 pmSJC - YYZ
1 stop17h 37mUnited Airlines
Deal found 10/29$384
This Delta deal was found by Cheapflights users on 10/29. 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 11/812:15 pmYYZ - SJC
2 stops11h 11mDelta
Wed 11/196:15 amSJC - YYZ
2 stops11h 14mDelta
Deal found 10/29$390
This Delta deal was found by Cheapflights users on 10/29. 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.
Tue 11/113:38 pmYYZ - SJC
2 stops11h 14mDelta
Wed 11/266:25 amSJC - YYZ
1 stop12h 34mDelta
Deal found 10/29$391
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:45 pmYYZ - SJC
1 stop9h 14mAlaska Airlines
Wed 11/194:48 pmSJC - YYZ
1 stop19h 47mAlaska Airlines
Deal found 10/29$428
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/204:45 pmYYZ - SJC
1 stop10h 14mAlaska Airlines
Sat 1/313:36 pmSJC - YYZ
1 stop20h 59mAlaska Airlines
Deal found 10/29$429

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 October 30, 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

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Tue 2/24

9:45 am-9:06 pm

2 stops14h 21m

San Jose

Wed 2/25

8:50 am-10:26 am

2 stops22h 36m

$301

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Sun 11/23

3:10 pm-10:05 am

2 stops21h 55m

San Jose

Thu 11/27

8:45 am-9:18 pm

2 stops9h 33m

$302

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 2/24

6:30 am-4:31 pm

2 stops13h 01m

San Jose

Wed 2/25

8:05 pm-9:05 am

2 stops10h 00m

$322

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Fri 2/20

12:20 pm-9:32 pm

1 stop12h 12m

San Jose

Fri 2/27

5:45 am-11:04 pm

2 stops14h 19m

$322

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 11/27

6:30 am-6:21 pm

2 stops14h 51m

San Jose

Tue 12/2

6:20 am-4:15 pm

1 stop6h 55m

$322

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 2/24

4:10 pm-9:06 pm

1 stop7h 56m

San Jose

Wed 2/25

8:50 am-11:59 pm

2 stops12h 09m

$322

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Mon 11/24

6:30 am-6:19 pm

2 stops14h 49m

San Jose

Wed 12/3

9:04 am-11:59 pm

2 stops11h 55m

$322

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

5:00 pm-3:35 pm

1 stop19h 35m

$355

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sun 12/7

6:05 pm-11:53 pm

2 stops8h 48m

San Jose

Thu 12/18

12:55 pm-11:59 pm

1 stop8h 04m

$361

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sun 2/22

12:20 pm-9:32 pm

1 stop12h 12m

San Jose

Fri 2/27

5:45 am-11:04 pm

2 stops14h 19m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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, California?

Currently, April is the cheapest month in which you can book a flight from Region of Ontario to San Jose, California (average of $144). Flying from Region of Ontario to San Jose, California in January is currently the most expensive (average of $254). 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 October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Region of Ontario to San Jose, California in the afternoon. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight at noon.

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, California?

    Airlines like United Airlines and Delta fly from Region of Ontario to San Jose, California in about 13h 01m. The time it takes to get you to your destination can typically vary by up to 1h 20m. There are 2238 mi between Region of Ontario and San Jose, California. 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, California one-way?

    The cheapest airlines for a one-way flight from Region of Ontario to San Jose, California are Alaska Airlines ($188), Delta ($188), and United Airlines ($189).

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

    The most popular route from Region of Ontario to San Jose, California 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, California?

    Currently, April is the cheapest month in which you can book a flight from Region of Ontario to San Jose, California (average of $144). Flying from Region of Ontario to San Jose, California in January is currently the most expensive (average of $254). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$284Average$368FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$284Average$462FlexibilityNo cancel feeOn-time67%
DeltaCheapest$287Average$405FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$316Average$470FlexibilityNo cancel feeOn-time71%

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