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San Jose

$158+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJC
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$287
(Trip.com)

One-way from

$158
(Mytrip)

Popular in

June

Cheapest in

March

Average price

$418
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. 4% potential increase in price ($17 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 June 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 June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/810:00 amYYZ - SJC
2 stops15h 46mMultiple Airlines
Wed 10/156:15 amSJC - YYZ
2 stops20h 57mMultiple Airlines
Deal found 6/9$287
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 6/206:10 amYYZ - SJC
1 stop8h 40mUnited Airlines
Sat 6/217:00 amSJC - YYZ
1 stop12h 48mUnited Airlines
Deal found 6/10$299
This Delta deal was found by Cheapflights users on 6/10. 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.
Fri 6/201:28 pmYYZ - SJC
2 stops12h 16mDelta
Mon 6/238:22 pmSJC - YYZ
2 stops12h 33mDelta
Deal found 6/10$303
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/83:35 pmYOW - SJC
2 stops22h 01mMultiple Airlines
Tue 7/156:30 amSJC - YOW
3 stops19h 55mMultiple Airlines
Deal found 6/10$314
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 6/251:25 pmYYZ - SJC
2 stops12h 21mAmerican Airlines
Mon 6/3011:24 pmSJC - YYZ
2 stops10h 16mAmerican Airlines
Deal found 6/10$314
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/86:00 amYKF - SJC
2 stops31h 36mMultiple Airlines
Sun 7/134:22 pmSJC - YKF
3 stops29h 24mMultiple Airlines
Deal found 6/10$343
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:00 amYHM - SJC
2 stops31h 36mMultiple Airlines
Tue 7/294:22 pmSJC - YHM
2 stops29h 19mMultiple Airlines
Deal found 6/10$367
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/87:00 amYUL - SJC
3 stops30h 36mMultiple Airlines
Tue 7/154:22 pmSJC - YUL
3 stops29h 15mMultiple Airlines
Deal found 6/9$367
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 10/104:45 pmYYZ - SJC
1 stop19h 33mAlaska Airlines
Mon 10/135:59 pmSJC - YYZ
1 stop18h 01mAlaska Airlines
Deal found 6/10$385
This Kissandfly.com deal was found by Cheapflights users on 6/11. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:30 pmYYZ - SJC
1 stop7h 58mLufthansa
Sun 11/26:40 pmSJC - YYZ
2 stops11h 49mLufthansa
Deal found 6/11$392
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/189:44 amYYZ - SJC
1 stop10h 38mAir Canada
Sat 6/286:24 pmSJC - YYZ
1 stop15h 34mAir Canada
Deal found 6/12$399
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/108:00 amYYZ - SJC
2 stops12h 00mWestJet
Mon 10/205:40 pmSJC - YYZ
1 stop10h 19mWestJet
Deal found 6/11$432

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 June 12, 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

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 10/8

10:00 am-10:46 pm

2 stops15h 46m

San Jose

Wed 10/15

6:15 am-6:12 am

2 stops20h 57m

$287

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 6/25

6:30 am-12:43 pm

1 stop9h 13m

San Jose

Mon 6/30

6:35 am-9:59 pm

1 stop12h 24m

$299

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 6/25

6:10 am-11:50 am

1 stop8h 40m

San Jose

Mon 6/30

6:24 pm-3:11 pm

1 stop17h 47m

$302

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 6/25

1:25 pm-10:46 pm

2 stops12h 21m

San Jose

Mon 6/30

11:24 pm-12:40 pm

2 stops10h 16m

$314

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Tue 7/8

3:35 pm-10:36 am

2 stops22h 01m

San Jose

Tue 7/15

6:30 am-5:25 am

3 stops19h 55m

$314

TorontoSan Jose

YKF - SJC

YKFSJC

Toronto Region of Waterloo Intl

Tue 7/8

6:00 am-10:36 am

2 stops31h 36m

San Jose

Sun 7/13

4:22 pm-12:46 am

3 stops29h 24m

$343

HamiltonSan Jose

YHM - SJC

YHMSJC

Hamilton

Thu 7/24

6:00 am-10:36 am

2 stops31h 36m

San Jose

Tue 7/29

4:22 pm-12:41 am

2 stops29h 19m

$367

MontrealSan Jose

YUL - SJC

YULSJC

Montreal Pierre Elliott Trudeau Intl

Tue 7/8

7:00 am-10:36 am

3 stops30h 36m

San Jose

Tue 7/15

4:22 pm-12:37 am

3 stops29h 15m

$367

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Fri 10/10

4:45 pm-9:18 am

1 stop19h 33m

San Jose

Mon 10/13

5:59 pm-3:00 pm

1 stop18h 01m

$385

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 10/30

5:30 pm-10:28 pm

1 stop7h 58m

San Jose

Sun 11/2

6:40 pm-9:29 am

2 stops11h 49m

$392

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 52 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 $344). 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 June 12, 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.

Rainfall in San Jose by month

Plan your trip to San Jose by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Jose ranges from 0.0 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. July is typically the driest time to visit San Jose when rainfall is around 0.0 in.

Temperature in San Jose by month

Plan your trip to San Jose by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Jose, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing San Jose

Get insights into the airlines that provide service to San Jose. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Jose. Reviews last updated June 12, 2025.
To help decide which airline to fly from Ontario to San Jose, see what other customers have to say about Alaska Airlines, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $177. However, be on the lookout for offers from Delta and United Airlines, 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 Hamilton - 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 $344). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$232Average$409FlexibilityNo cancel feeOn-time67%
DeltaCheapest$287Average$368FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$368FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$316Average$395FlexibilityNo cancel feeOn-time71%

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