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Cheap flights from Ontario to San Jose, CA from C$ 271

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJC
14 Aug — 21 Aug1
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 15 July 2026.

Wed 7/1012:46 p.m.
YYZ
-
SJC
1 stop10h 47m
Delta
Sat 10/1012:57 p.m.
SJC
-
YYZ
1 stop8h 02m
Delta
Deal found 12/7C$ 430
Sat 5/96:28 p.m.
YYZ
-
SJC
1 stop19h 22m
American Airlines
Sat 12/92:36 p.m.
SJC
-
YYZ
1 stop20h 23m
American Airlines
Deal found 13/7C$ 462
Sat 12/96:15 a.m.
YYZ
-
SJC
2 stops14h 03m
Delta
Sat 19/98:33 p.m.
SJC
-
YYZ
2 stops9h 20m
Delta
Deal found 10/7C$ 465
Wed 7/1012:46 p.m.
YYZ
-
SJC
1 stop10h 47m
Delta
Sun 11/106:30 a.m.
SJC
-
YYZ
1 stop12h 29m
Delta
Deal found 12/7C$ 468
Wed 19/87:00 a.m.
YYZ
-
SJC
1 stop7h 46m
United Airlines
Tue 25/88:45 a.m.
SJC
-
YYZ
1 stop9h 47m
United Airlines
Deal found 13/7C$ 474
Wed 16/912:25 p.m.
YYZ
-
SJC
1 stop11h 16m
Delta
Wed 23/91:23 p.m.
SJC
-
YYZ
1 stop6h 50m
Delta
Deal found 13/7C$ 475
Wed 2/910:50 a.m.
YYZ
-
SJC
2 stops14h 23m
WestJet
Tue 8/97:25 a.m.
SJC
-
YYZ
2 stops10h 50m
WestJet
Deal found 13/7C$ 483
Sat 25/76:30 a.m.
YYZ
-
SJC
2 stops13h 42m
Delta
Mon 3/86:40 a.m.
SJC
-
YYZ
1 stop12h 19m
Delta
Deal found 10/7C$ 485
Sat 12/96:46 a.m.
YYZ
-
SJC
1 stop9h 52m
American Airlines
Fri 25/92:48 p.m.
SJC
-
YYZ
2 stops18h 47m
American Airlines
Deal found 13/7C$ 486
Wed 26/812:15 p.m.
YTZ
-
SJC
2 stops11h 42m
United Airlines
Tue 1/96:20 a.m.
SJC
-
YTZ
1 stop7h 22m
United Airlines
Deal found 9/7C$ 536
Sat 19/912:15 p.m.
YTZ
-
SJC
1 stop13h 35m
United Airlines
Wed 23/92:10 p.m.
SJC
-
YTZ
1 stop16h 57m
United Airlines
Deal found 13/7C$ 547
Tue 29/99:30 a.m.
YUL
-
SJC
2 stops14h 52m
Delta
Sat 3/107:00 a.m.
SJC
-
YUL
2 stops13h 44m
Delta
Deal found 12/7C$ 564

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 15 July 2026.

Round-trip from

C$ 430

One-way from

C$ 271

Popular in

January

Cheapest in

July

Average price

C$ 536
Delta
  • Delta
  • 7/10-10/10
  • 2 total stops
  • 18h 49m total
  • Ontario to San Jose
Search Deals
American Airlines
  • American Airlines
  • 19/9
  • 1 total stop
  • 18h 15m total
  • Ontario to San Jose
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 159 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 July 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 15 July 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 - SJC

YYZSJC

Toronto Pearson Intl

Sat 24/10

12:46 p.m.-7:51 p.m.

2 stops10h 05m

San Jose

Sat 31/10

8:35 p.m.-11:23 a.m.

2 stops11h 48m

C$ 435

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 7/10

12:46 p.m.-9:55 p.m.

2 stops12h 09m

San Jose

Sat 10/10

12:57 p.m.-11:59 p.m.

1 stop8h 02m

C$ 435

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sat 25/7

6:10 a.m.-4:04 p.m.

2 stops12h 54m

San Jose

Tue 4/8

6:12 p.m.-12:23 p.m.

2 stops15h 11m

C$ 465

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 19/8

7:00 a.m.-11:46 a.m.

1 stop7h 46m

San Jose

Tue 25/8

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

1 stop9h 47m

C$ 474
Quickest round-trip

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 19/8

7:00 a.m.-11:46 a.m.

1 stop7h 46m

San Jose

Mon 24/8

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

1 stop6h 49m

C$ 485

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 6/8

1:38 p.m.-10:58 p.m.

1 stop12h 20m

San Jose

Tue 11/8

7:00 a.m.-11:57 p.m.

2 stops13h 57m

C$ 485

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 26/8

6:14 p.m.-11:44 p.m.

2 stops8h 30m

San Jose

Sun 30/8

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

1 stop12h 19m

C$ 485

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 26/8

5:50 p.m.-11:44 p.m.

1 stop8h 54m

San Jose

Mon 31/8

6:12 p.m.-8:55 a.m.

2 stops11h 43m

C$ 485

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sat 25/7

6:10 a.m.-4:04 p.m.

2 stops12h 54m

San Jose

Thu 6/8

7:00 a.m.-11:03 p.m.

2 stops13h 03m

C$ 485

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 25/8

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

1 stop8h 22m

San Jose

Sun 30/8

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

1 stop12h 19m

C$ 485

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/7

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, July is the cheapest month in which you can book a flight from Region of Ontario to San Jose, California (average of C$ 214). Flying from Region of Ontario to San Jose, California in April is currently the most expensive (average of C$ 417). 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?

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 87 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$ 474, Delta can have you in San Jose, California from Region of Ontario in 7h 46m. 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 Delta. According to our data, you can fly for as low as C$ 256. Users have also found prices from C$ 258 and C$ 259 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, July is the cheapest month in which you can book a flight from Region of Ontario to San Jose, California (average of C$ 214). Flying from Region of Ontario to San Jose, California in April is currently the most expensive (average of C$ 417). 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 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 15 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 297AverageC$ 406FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapestC$ 391AverageC$ 563FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 412AverageC$ 678FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 426AverageC$ 641FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 429AverageC$ 598FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 495AverageC$ 603FlexibilityNo 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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