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Cheap flights from Ontario to San Jose, CA from C$ 248

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJC
12 Sep — 19 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 13 August 2026.

Wed 26/811:40 a.m. -
1 stop13h 01m
Sun 30/84:30 p.m. -
2 stops13h 25m
Deal found 12/8C$ 437
Tue 27/1012:49 p.m. -
2 stops10h 02m
Mon 16/111:00 p.m. -
1 stop7h 59m
Deal found 8/8C$ 440
Thu 1/106:10 p.m. -
2 stops8h 30m
Tue 6/106:30 a.m. -
1 stop12h 29m
Deal found 9/8C$ 444
Fri 28/86:15 a.m. -
1 stop9h 12m
Wed 23/96:40 a.m. -
1 stop12h 19m
Deal found 12/8C$ 447
Fri 18/912:08 p.m. -
2 stops10h 43m
Mon 28/98:41 p.m. -
2 stops12h 38m
Deal found 10/8C$ 449
Thu 27/82:24 p.m. -
2 stops12h 20m
Sun 30/86:40 a.m. -
1 stop12h 19m
Deal found 12/8C$ 450
Thu 17/912:08 p.m. -
2 stops12h 58m
Thu 1/107:00 a.m. -
2 stops13h 59m
Deal found 10/8C$ 451
Thu 5/115:55 p.m. -
1 stop8h 04m
Mon 9/116:30 a.m. -
1 stop7h 17m
Deal found 12/8C$ 453
Wed 26/85:50 p.m. -
1 stop8h 54m
Tue 8/94:24 p.m. -
2 stops13h 29m
Deal found 12/8C$ 454
Thu 3/1212:15 p.m. -
2 stops13h 02m
Mon 7/126:30 a.m. -
1 stop7h 35m
Deal found 8/8C$ 456
Fri 30/105:49 p.m. -
1 stop7h 06m
Thu 12/117:00 a.m. -
2 stops12h 51m
Deal found 8/8C$ 457
Thu 1/106:10 p.m. -
2 stops8h 30m
Mon 5/1010:50 p.m. -
1 stop8h 33m
Deal found 9/8C$ 458

Find 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 13 August 2026.

Round-trip from

C$ 437

One-way from

C$ 248

Popular in

January

Cheapest in

August

Average price

C$ 479
Delta
  • Delta
  • 26/8-30/8
  • 4 total stops
  • 27h 22m total
  • Ontario to San Jose
Search Deals
Delta
  • Delta
  • 9/9
  • 1 total stop
  • 12h 44m total
  • Ontario to San Jose
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 162 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 13 August 2026.
Use the filters below to find and compare flights from Ontario to San Jose that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 18/9

1:00 p.m.-10:50 p.m.

1 stop12h 50m

San Jose

Sat 19/9

8:45 a.m.-9:32 p.m.

1 stop9h 47m

C$ 437

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sat 3/10

6:00 a.m.-3:44 p.m.

2 stops12h 44m

San Jose

Mon 5/10

10:50 p.m.-10:23 a.m.

1 stop8h 33m

C$ 444

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 16/9

6:15 a.m.-3:44 p.m.

2 stops12h 29m

San Jose

Sun 20/9

6:19 p.m.-8:53 a.m.

2 stops11h 34m

C$ 447

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Thu 27/8

2:24 p.m.-11:44 p.m.

2 stops12h 20m

San Jose

Tue 8/9

6:19 p.m.-8:53 a.m.

2 stops11h 34m

C$ 447

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 18/9

12:08 p.m.-7:51 p.m.

2 stops10h 43m

San Jose

Sat 19/9

8:41 p.m.-10:23 a.m.

2 stops10h 42m

C$ 447
Quickest round-trip

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sat 5/9

7:00 a.m.-11:45 a.m.

1 stop7h 45m

San Jose

Sat 12/9

2:10 p.m.-11:59 p.m.

1 stop6h 49m

C$ 451

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 25/9

6:15 a.m.-4:13 p.m.

2 stops12h 58m

San Jose

Sun 27/9

6:40 a.m.-9:59 p.m.

1 stop12h 19m

C$ 451

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Mon 5/10

2:24 p.m.-11:40 p.m.

2 stops12h 16m

San Jose

Wed 7/10

7:00 a.m.-10:56 p.m.

2 stops12h 56m

C$ 451

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sun 6/9

6:00 a.m.-11:22 a.m.

1 stop8h 22m

San Jose

Sun 13/9

6:40 a.m.-9:59 p.m.

1 stop12h 19m

C$ 451

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 6/11

12:10 p.m.-10:08 p.m.

2 stops12h 58m

San Jose

Mon 9/11

6:30 a.m.-9:59 p.m.

1 stop12h 29m

C$ 457

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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, March is the cheapest month in which you can book a flight from Region of Ontario to San Jose, California (average of C$ 451). Flying from Region of Ontario to San Jose, California in February is currently the most expensive (average of C$ 685). 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.

How much does it cost to fly round-trip from Region of Ontario to San Jose, California?

Airfare is below average for this route at the moment.
Region of Ontario to San Jose, California flights typically cost between C$ 552 and C$ 783 in August.
The cheapest round-trip price found within the last 5 days was C$ 437 on Delta (26 Aug-30 Aug).

How far ahead should I book a flight from Region of Ontario to San Jose, California?

The price you pay for your flight from Region of Ontario to San Jose, California may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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$ 907, United Airlines can have you in San Jose, California from Region of Ontario in 10h 28m. The distance from Region of Ontario to San Jose, California is about 3483 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 Delta. According to our data, you can fly for as low as C$ 253. Users have also found prices from C$ 255 and C$ 256 on Air Canada and United Airlines, respectively.

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

    Most travellers choose Toronto Pearson Intl - San Jose, Montreal Pierre Elliott Trudeau Intl - San Jose or Toronto Island - 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, March is the cheapest month in which you can book a flight from Region of Ontario to San Jose, California (average of C$ 451). Flying from Region of Ontario to San Jose, California in February is currently the most expensive (average of C$ 685). 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

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Top 6 airlines flying from Ontario to San Jose

Discover the top 6 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 13 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 293AverageC$ 401FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapestC$ 386AverageC$ 504FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 407AverageC$ 668FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 421AverageC$ 630FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 424AverageC$ 605FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 490AverageC$ 670FlexibilityNo 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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