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Cheap flights from Ontario to San Jose, CA from C$ 307

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJC
21 Jul — 28 Jul1
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 21 June 2026.

Sat 12/95:24 p.m.
YYZ
-
SJC
1 stop8h 26m
United Airlines
Tue 15/98:45 a.m.
SJC
-
YYZ
1 stop9h 47m
United Airlines
Deal found 19/6C$ 531
Tue 7/71:38 p.m.
YYZ
-
SJC
1 stop12h 11m
Delta
Tue 14/76:20 a.m.
SJC
-
YYZ
2 stops13h 42m
Delta
Deal found 19/6C$ 532
Sat 3/106:15 a.m.
YYZ
-
SJC
1 stop8h 21m
Delta
Fri 9/107:15 a.m.
SJC
-
YYZ
1 stop11h 43m
Delta
Deal found 18/6C$ 535
Thu 16/76:30 a.m.
YYZ
-
SJC
2 stops12h 16m
Delta
Tue 21/710:00 p.m.
SJC
-
YYZ
1 stop11h 23m
Delta
Deal found 16/6C$ 536
Fri 3/71:40 p.m.
YYZ
-
SJC
1 stop12h 17m
Delta
Wed 22/76:35 a.m.
SJC
-
YYZ
1 stop12h 26m
Delta
Deal found 19/6C$ 538
Thu 2/710:45 a.m.
YYZ
-
SJC
1 stop9h 50m
United Airlines
Sat 11/78:45 a.m.
SJC
-
YYZ
1 stop9h 47m
United Airlines
Deal found 16/6C$ 539
Tue 4/86:15 a.m.
YYZ
-
SJC
2 stops18h 58m
Delta
Fri 14/810:20 p.m.
SJC
-
YYZ
2 stops14h 00m
Delta
Deal found 19/6C$ 543
Mon 5/1012:25 p.m.
YYZ
-
SJC
1 stop11h 08m
Delta
Sun 11/107:15 a.m.
SJC
-
YYZ
1 stop11h 43m
Delta
Deal found 18/6C$ 548
Fri 3/71:40 p.m.
YYZ
-
SJC
1 stop12h 17m
Delta
Sun 19/76:35 a.m.
SJC
-
YYZ
1 stop12h 26m
Delta
Deal found 19/6C$ 550
Fri 3/76:30 a.m.
YYZ
-
SJC
2 stops12h 37m
Delta
Tue 21/710:00 p.m.
SJC
-
YYZ
1 stop11h 23m
Delta
Deal found 19/6C$ 552
Tue 4/86:15 a.m.
YYZ
-
SJC
2 stops18h 58m
Delta
Sun 9/86:40 a.m.
SJC
-
YYZ
1 stop12h 19m
Delta
Deal found 19/6C$ 555
Wed 15/73:50 p.m.
YYZ
-
SJC
2 stops26h 56m
WestJet
Mon 20/711:33 a.m.
SJC
-
YYZ
2 stops15h 12m
WestJet
Deal found 20/6C$ 558

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 21 June 2026.

Round-trip from

C$ 531

One-way from

C$ 307

Popular in

January

Cheapest in

May

Average price

C$ 693
Delta
  • Delta
  • 19/9-22/9
  • 3 total stops
  • 20h 48m total
  • Ontario to San Jose
Search Deals
Delta
  • Delta
  • 21/7
  • 1 total stop
  • 12h 11m total
  • Ontario to San Jose
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 161 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 June 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 21 June 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 19/9

6:15 a.m.-5:18 p.m.

2 stops14h 03m

San Jose

Tue 22/9

6:10 a.m.-6:34 p.m.

1 stop9h 24m

C$ 532

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 8/7

1:38 p.m.-10:49 p.m.

1 stop12h 11m

San Jose

Wed 15/7

6:35 a.m.-10:01 p.m.

1 stop12h 26m

C$ 532

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 7/7

12:25 p.m.-8:35 p.m.

1 stop11h 10m

San Jose

Wed 15/7

6:35 a.m.-10:01 p.m.

1 stop12h 26m

C$ 532

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sat 19/9

11:00 a.m.-8:57 p.m.

2 stops12h 57m

San Jose

Tue 22/9

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

1 stop9h 47m

C$ 535

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 9/9

11:38 a.m.-10:08 p.m.

2 stops13h 30m

San Jose

Sun 13/9

9:05 a.m.-10:57 p.m.

2 stops10h 52m

C$ 535

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 1/7

5:45 p.m.-11:39 p.m.

1 stop8h 54m

San Jose

Fri 3/7

10:00 p.m.-12:25 p.m.

1 stop11h 25m

C$ 536

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 2/7

10:45 a.m.-5:35 p.m.

1 stop9h 50m

San Jose

Sat 11/7

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

1 stop9h 47m

C$ 539

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 6/10

1:30 p.m.-10:11 p.m.

2 stops11h 41m

San Jose

Sat 17/10

3:00 p.m.-5:45 a.m.

2 stops11h 45m

C$ 563

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Fri 17/7

3:50 p.m.-3:59 p.m.

2 stops27h 09m

San Jose

Sun 19/7

7:20 a.m.-10:45 p.m.

2 stops12h 25m

C$ 563

MontrealSan Jose

YUL - SJC

YULSJC

Montreal Pierre Elliott Trudeau Intl

Wed 12/8

9:30 a.m.-9:41 p.m.

2 stops15h 11m

San Jose

Sat 22/8

12:38 p.m.-11:52 p.m.

1 stop8h 14m

C$ 576

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/6

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$ 215). Flying from Region of Ontario to San Jose, California in April is currently the most expensive (average of C$ 419). 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$ 535, Delta can have you in San Jose, California from Region of Ontario in 12h 57m. 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 Alaska Airlines. According to our data, you can fly for as low as C$ 229. Users have also found prices from C$ 257 and C$ 259 on Delta and Air Canada, 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$ 215). Flying from Region of Ontario to San Jose, California in April is currently the most expensive (average of C$ 419). 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 21 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 298AverageC$ 407FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapestC$ 416AverageC$ 568FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 426AverageC$ 683FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 427AverageC$ 644FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 471AverageC$ 601FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 497AverageC$ 606FlexibilityNo 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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