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Cheap flights from Ontario to San Jose, CA from C$ 254

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
25 Aug — 1 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 26 July 2026.

Thu 17/911:38 a.m.
YYZ
-
SJC
1 stop12h 44m
Delta
Mon 28/910:50 p.m.
SJC
-
YYZ
1 stop10h 29m
Delta
Deal found 24/7C$ 448
Tue 22/911:38 a.m.
YYZ
-
SJC
1 stop12h 44m
Delta
Fri 25/96:10 a.m.
SJC
-
YYZ
1 stop9h 24m
Delta
Deal found 21/7C$ 451
Fri 18/911:38 a.m.
YYZ
-
SJC
1 stop12h 44m
Delta
Sun 20/96:10 a.m.
SJC
-
YYZ
1 stop9h 24m
Delta
Deal found 22/7C$ 452
Tue 25/86:00 a.m.
YYZ
-
SJC
1 stop8h 22m
Delta
Mon 31/86:00 a.m.
SJC
-
YYZ
2 stops14h 10m
Delta
Deal found 25/7C$ 475
Tue 1/92:55 p.m.
YYZ
-
SJC
1 stop10h 37m
American Airlines
Sat 5/912:42 p.m.
SJC
-
YYZ
2 stops19h 31m
American Airlines
Deal found 25/7C$ 476
Thu 27/81:38 p.m.
YYZ
-
SJC
1 stop12h 20m
Delta
Sat 29/82:20 p.m.
SJC
-
YYZ
2 stops17h 05m
Delta
Deal found 25/7C$ 485
Tue 3/1111:43 a.m.
YYZ
-
SJC
1 stop12h 47m
WestJet
Sun 8/116:35 a.m.
SJC
-
YYZ
1 stop12h 29m
WestJet
Deal found 26/7C$ 489
Mon 2/1111:38 a.m.
YYZ
-
SJC
1 stop12h 47m
Delta
Sun 8/116:30 a.m.
SJC
-
YYZ
1 stop12h 29m
Delta
Deal found 25/7C$ 493
Mon 31/812:25 p.m.
YYZ
-
SJC
1 stop10h 59m
Delta
Tue 8/96:19 p.m.
SJC
-
YYZ
2 stops11h 34m
Delta
Deal found 25/7C$ 496
Sun 23/86:46 a.m.
YYZ
-
SJC
2 stops18h 39m
American Airlines
Tue 25/82:30 p.m.
SJC
-
YYZ
2 stops18h 29m
American Airlines
Deal found 25/7C$ 497
Sat 19/912:15 p.m.
YTZ
-
SJC
1 stop13h 40m
United Airlines
Tue 29/96:30 a.m.
SJC
-
YTZ
1 stop7h 12m
United Airlines
Deal found 25/7C$ 502
Sat 19/912:15 p.m.
YTZ
-
SJC
2 stops11h 39m
United Airlines
Wed 23/92:10 p.m.
SJC
-
YTZ
1 stop16h 57m
United Airlines
Deal found 21/7C$ 523

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 26 July 2026.

Round-trip from

C$ 448

One-way from

C$ 254

Popular in

January

Cheapest in

August

Average price

C$ 723
Delta
  • Delta
  • 17/9-28/9
  • 2 total stops
  • 23h 13m total
  • Ontario to San Jose
Search Deals
Delta
  • Delta
  • 19/9
  • 1 total stop
  • 12h 44m total
  • Ontario to San Jose
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 154 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 26 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

Mon 21/9

12:08 p.m.-10:06 p.m.

2 stops12h 58m

San Jose

Fri 25/9

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

1 stop9h 24m

C$ 451

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 22/9

11:38 a.m.-9:22 p.m.

1 stop12h 44m

San Jose

Fri 25/9

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

1 stop9h 24m

C$ 451

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Mon 21/9

12:08 p.m.-10:06 p.m.

2 stops12h 58m

San Jose

Sat 26/9

6:10 a.m.-10:59 p.m.

2 stops13h 49m

C$ 451

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 10/9

6:00 a.m.-2:14 p.m.

2 stops11h 14m

San Jose

Fri 18/9

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

1 stop8h 33m

C$ 452

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Fri 7/8

6:10 a.m.-5:12 p.m.

2 stops14h 02m

San Jose

Mon 10/8

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

1 stop12h 19m

C$ 452

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Fri 21/8

4:10 p.m.-10:58 p.m.

2 stops9h 48m

San Jose

Sun 23/8

6:10 a.m.-11:03 p.m.

2 stops13h 53m

C$ 452

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 20/8

6:10 a.m.-2:14 p.m.

2 stops11h 04m

San Jose

Thu 27/8

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

1 stop12h 19m

C$ 485

TorontoSan Jose

YTZ - SJC

YTZSJC

Toronto Island

Sat 19/9

12:15 p.m.-10:55 p.m.

1 stop13h 40m

San Jose

Tue 29/9

6:30 a.m.-4:42 p.m.

1 stop7h 12m

C$ 502

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 1/9

9:00 p.m.-11:46 a.m.

1 stop17h 46m

San Jose

Tue 8/9

8:45 a.m.-11:16 p.m.

1 stop11h 31m

C$ 514

TorontoSan Jose

YTZ - SJC

YTZSJC

Toronto Island

Sat 19/9

12:15 p.m.-8:54 p.m.

2 stops11h 39m

San Jose

Wed 23/9

6:30 a.m.-4:42 p.m.

1 stop7h 12m

C$ 523

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/7

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, March is the cheapest month in which you can book a flight from Region of Ontario to San Jose, California (average of C$ 457). Flying from Region of Ontario to San Jose, California in December is currently the most expensive (average of C$ 703). 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$ 526 and C$ 756 in September.
The cheapest round-trip price found within the last 5 days was C$ 448 on Delta (17 Sep-28 Sep).

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 86 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$ 451, Delta can have you in San Jose, California from Region of Ontario in 12h 58m. 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, Toronto Island - 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, March is the cheapest month in which you can book a flight from Region of Ontario to San Jose, California (average of C$ 457). Flying from Region of Ontario to San Jose, California in December is currently the most expensive (average of C$ 703). 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 26 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 296AverageC$ 406FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapestC$ 391AverageC$ 522FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 412AverageC$ 684FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 426AverageC$ 637FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 429AverageC$ 598FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 495AverageC$ 678FlexibilityNo 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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