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Cheap flights from Ontario to San Jose, CA from C$ 205

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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJC
16 Nov — 23 Nov1
1 adult
1 adult, Economy

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 17 October 2025.

Round-trip from

C$ 421

One-way from

C$ 205

Popular in

August

Cheapest in

March

Average price

C$ 556
United Airlines
  • United Airlines
  • 24/2-25/2
  • 4 total stops
  • 30h 17m total
  • Ontario to San Jose
Search Deals
23/10
  • 23/10
  • 3 total stops
  • 35h 47m total
  • Ontario to San Jose
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Find flight deals from Ontario to San Jose

Enter your travel dates to find the best prices.

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 17 October 2025.

Tue 9/1210:00 a.m.YYZ - SJC
1 stop15h 59mMultiple Airlines
Fri 12/126:18 a.m.SJC - YYZ
1 stop30h 17mMultiple Airlines
Deal found 15/10C$ 463
Thu 6/117:55 p.m.YYZ - SJC
1 stop24h 39mMultiple Airlines
Tue 18/116:13 p.m.SJC - YYZ
1 stop18h 22mMultiple Airlines
Deal found 15/10C$ 480
Wed 12/114:45 p.m.YYZ - SJC
1 stop21h 12mMultiple Airlines
Wed 19/116:15 a.m.SJC - YYZ
2 stops15h 11mMultiple Airlines
Deal found 15/10C$ 482
Sat 6/126:30 a.m.YYZ - SJC
2 stops13h 50mDelta
Sat 13/127:45 p.m.SJC - YYZ
2 stops18h 17mDelta
Deal found 16/10C$ 489
Wed 24/124:45 p.m.YYZ - SJC
1 stop19h 37mAlaska Airlines
Mon 5/13:54 p.m.SJC - YYZ
1 stop20h 41mAlaska Airlines
Deal found 14/10C$ 490
Wed 12/114:45 p.m.YYZ - SJC
1 stop21h 12mAlaska Airlines
Wed 19/114:48 p.m.SJC - YYZ
1 stop19h 47mAlaska Airlines
Deal found 15/10C$ 501
Tue 4/116:15 a.m.YYZ - SJC
2 stops12h 42mDelta
Thu 6/111:20 p.m.SJC - YYZ
1 stop6h 58mDelta
Deal found 14/10C$ 503
Tue 9/126:30 a.m.YYZ - SJC
2 stops14h 48mDelta
Thu 11/129:04 a.m.SJC - YYZ
2 stops9h 54mDelta
Deal found 15/10C$ 504
Thu 6/116:15 a.m.YYZ - SJC
1 stop8h 02mDelta
Sat 15/117:05 a.m.SJC - YYZ
2 stops12h 45mDelta
Deal found 15/10C$ 507
Tue 18/116:30 a.m.YYZ - SJC
2 stops14h 49mDelta
Wed 29/45:45 a.m.SJC - YYZ
1 stop8h 00mDelta
Deal found 16/10C$ 510
Thu 6/114:45 p.m.YYZ - SJC
1 stop9h 14mAlaska Airlines
Mon 17/117:47 p.m.SJC - YYZ
1 stop16h 48mAlaska Airlines
Deal found 15/10C$ 514
Fri 14/116:30 a.m.YYZ - SJC
1 stop8h 38mDelta
Mon 17/117:46 p.m.SJC - YYZ
2 stops10h 11mDelta
Deal found 16/10C$ 517

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 629,999 searches. Data last updated 17 October 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 24/2

9:45 a.m.-9:11 p.m.

2 stops14h 26m

San Jose

Wed 25/2

3:35 p.m.-10:26 a.m.

2 stops15h 51m

C$ 421

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 24/2

4:45 p.m.-9:12 a.m.

1 stop19h 27m

San Jose

Wed 25/2

5:00 p.m.-3:35 p.m.

1 stop19h 35m

C$ 500

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 8/1

4:45 p.m.-9:48 a.m.

1 stop20h 03m

San Jose

Tue 13/1

3:36 p.m.-3:35 p.m.

1 stop20h 59m

C$ 501

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 4/11

6:15 a.m.-3:57 p.m.

2 stops12h 42m

San Jose

Thu 6/11

1:20 p.m.-11:18 p.m.

1 stop6h 58m

C$ 503

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 7/1

6:00 a.m.-1:37 p.m.

2 stops10h 37m

San Jose

Mon 12/1

10:30 p.m.-11:17 a.m.

1 stop9h 47m

C$ 504

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sat 6/12

10:05 a.m.-10:13 p.m.

2 stops15h 08m

San Jose

Sat 13/12

6:15 a.m.-11:59 p.m.

2 stops14h 44m

C$ 504

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 18/11

6:30 a.m.-6:19 p.m.

2 stops14h 49m

San Jose

Wed 29/4

5:45 a.m.-4:45 p.m.

1 stop8h 00m

C$ 510

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 11/2

4:45 p.m.-10:06 a.m.

2 stops20h 21m

San Jose

Wed 25/2

6:30 p.m.-3:35 p.m.

2 stops18h 05m

C$ 511

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 6/11

4:45 p.m.-10:59 p.m.

1 stop9h 14m

San Jose

Mon 17/11

6:13 p.m.-3:35 p.m.

1 stop18h 22m

C$ 515

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 12/11

4:45 p.m.-8:00 p.m.

1 stop30h 15m

San Jose

Wed 22/4

3:05 p.m.-3:35 p.m.

1 stop21h 30m

C$ 529

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/10

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 C$ 202). Flying from Region of Ontario to San Jose, California in January is currently the most expensive (average of C$ 357). 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 17 October 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 evening. If you’re flexible enough to do this you can expect to save up to 56% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Region of Ontario to San Jose, California?

Use this chart to determine the cheapest time to fly round-trip from Ontario to San Jose. Price data was last updated on 20 October 2024.

Travelers seeking maximum savings on their Region of Ontario to San Jose, California flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 4.6 km from the centre of the city.

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

    For as low as C$ 503, United Airlines can have you in San Jose, California from Region of Ontario in 12h 42m. The distance from Region of Ontario to San Jose, California is about 3602 km. This flight may include one or multiple stops.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as C$ 249. Users have also found prices from C$ 281 and C$ 282 on Delta and Alaska Airlines, respectively.

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

    Most travellers choose Toronto Pearson Intl - San Jose, Toronto Region of Waterloo Intl - San Jose or Montreal Pierre Elliott Trudeau Intl - San Jose when deciding on the best route from Region of Ontario to San Jose, California.

  • 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 C$ 202). Flying from Region of Ontario to San Jose, California in January is currently the most expensive (average of C$ 357). 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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Alternative routes for Ontario to San Jose

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Ontario to San Jose

Discover the top 7 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 629,999 searches. Data last updated 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 354AverageC$ 544FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 356AverageC$ 566FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 393AverageC$ 786FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapestC$ 395AverageC$ 705FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
American AirlinesCheapestC$ 401AverageC$ 614FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 404AverageC$ 493FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 496AverageC$ 594FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to San Jose?

Cheapflights makes it easy to find Ontario to San Jose flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to San Jose?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to San Jose.

Can Cheapflights find flights from Ontario to San Jose with no change fees?

Yes, we can. To see specific flights from Ontario to San Jose with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to San Jose become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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