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Cheap flights from Ontario to San Jose, CA from C$ 295

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJC
21 Jun — 28 Jun1
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 22 May 2026.

Sat 24/107:00 a.m.
YYZ
-
SJC
1 stop8h 01m
United Airlines
Sat 24/102:08 p.m.
SJC
-
YYZ
1 stop6h 51m
United Airlines
Deal found 18/5C$ 500
Wed 21/103:59 p.m.
YYZ
-
SJC
2 stops10h 55m
Delta
Wed 28/106:12 p.m.
SJC
-
YYZ
2 stops11h 49m
Delta
Deal found 18/5C$ 508
Wed 8/71:38 p.m.
YYZ
-
SJC
1 stop12h 11m
Delta
Mon 13/710:00 p.m.
SJC
-
YYZ
1 stop11h 23m
Delta
Deal found 18/5C$ 511
Sun 25/106:30 a.m.
YYZ
-
SJC
2 stops12h 46m
Delta
Wed 28/1012:45 p.m.
SJC
-
YYZ
1 stop8h 16m
Delta
Deal found 18/5C$ 519
Tue 16/61:40 p.m.
YYZ
-
SJC
1 stop12h 17m
Delta
Tue 23/610:00 p.m.
SJC
-
YYZ
1 stop11h 25m
Delta
Deal found 19/5C$ 521
Tue 7/71:38 p.m.
YYZ
-
SJC
1 stop12h 11m
Delta
Fri 10/710:00 p.m.
SJC
-
YYZ
1 stop9h 25m
Delta
Deal found 18/5C$ 523
Tue 30/61:40 p.m.
YYZ
-
SJC
1 stop12h 17m
Delta
Wed 22/76:12 p.m.
SJC
-
YYZ
2 stops14h 07m
Delta
Deal found 18/5C$ 525
Wed 8/76:30 a.m.
YYZ
-
SJC
2 stops13h 42m
Delta
Tue 21/710:00 p.m.
SJC
-
YYZ
1 stop11h 23m
Delta
Deal found 21/5C$ 529
Wed 1/71:40 p.m.
YYZ
-
SJC
1 stop12h 17m
Delta
Tue 7/710:00 p.m.
SJC
-
YYZ
1 stop11h 23m
Delta
Deal found 20/5C$ 530
Thu 9/72:24 p.m.
YYZ
-
SJC
2 stops10h 49m
Delta
Sat 11/76:00 a.m.
SJC
-
YYZ
2 stops14h 13m
Delta
Deal found 18/5C$ 532
Tue 7/71:38 p.m.
YYZ
-
SJC
1 stop12h 11m
Delta
Wed 15/77:00 a.m.
SJC
-
YYZ
2 stops13h 02m
Delta
Deal found 18/5C$ 537
Tue 7/76:30 a.m.
YYZ
-
SJC
2 stops13h 42m
Delta
Sat 25/74:54 p.m.
SJC
-
YYZ
2 stops15h 25m
Delta
Deal found 21/5C$ 541

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 22 May 2026.

Round-trip from

C$ 500

One-way from

C$ 295

Popular in

January

Cheapest in

May

Average price

C$ 475
United Airlines
  • United Airlines
  • 24/10-24/10
  • 2 total stops
  • 14h 52m total
  • Ontario to San Jose
Search Deals
Delta
  • Delta
  • 11/6
  • 1 total stop
  • 11h 14m total
  • Ontario to San Jose
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 172 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 22 May 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

Thu 2/7

1:40 p.m.-10:57 p.m.

1 stop12h 17m

San Jose

Wed 8/7

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

1 stop12h 26m

C$ 508

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sun 1/11

1:30 p.m.-10:58 p.m.

1 stop12h 28m

San Jose

Sat 7/11

5:45 p.m.-9:01 a.m.

2 stops12h 16m

C$ 508

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 25/6

6:30 a.m.-5:17 p.m.

2 stops13h 47m

San Jose

Sat 4/7

12:46 p.m.-11:58 p.m.

1 stop8h 12m

C$ 508

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 9/9

3:55 p.m.-10:44 p.m.

2 stops9h 49m

San Jose

Sat 12/9

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

1 stop8h 00m

C$ 508

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

12:40 p.m.-11:58 p.m.

1 stop8h 18m

C$ 511
Quickest round-trip

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 22/10

10:45 a.m.-5:31 p.m.

1 stop9h 46m

San Jose

Sat 24/10

2:08 p.m.-11:59 p.m.

1 stop6h 51m

C$ 529

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sat 25/7

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

2 stops12h 54m

San Jose

Sun 6/9

5:45 a.m.-10:58 p.m.

2 stops14h 13m

C$ 529

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Fri 10/7

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

1 stop8h 54m

San Jose

Tue 21/7

6:20 a.m.-6:33 p.m.

1 stop9h 13m

C$ 529

TorontoSan Jose

YTZ - SJC

YTZSJC

Toronto Island

Fri 21/8

12:15 p.m.-10:50 p.m.

1 stop13h 35m

San Jose

Fri 28/8

6:20 a.m.-4:41 p.m.

1 stop7h 21m

C$ 580

TorontoSan Jose

YTZ - SJC

YTZSJC

Toronto Island

Wed 1/7

7:20 p.m.-5:35 p.m.

2 stops25h 15m

San Jose

Sat 11/7

4:00 p.m.-10:06 a.m.

2 stops15h 06m

C$ 600

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/5

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, June is the cheapest month in which you can book a flight from Region of Ontario to San Jose, California (average of C$ 182). Flying from Region of Ontario to San Jose, California in April is currently the most expensive (average of C$ 408). 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 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$ 508, Delta can have you in San Jose, California from Region of Ontario in 12h 17m. 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$ 223. Users have also found prices from C$ 250 and C$ 252 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, June is the cheapest month in which you can book a flight from Region of Ontario to San Jose, California (average of C$ 182). Flying from Region of Ontario to San Jose, California in April is currently the most expensive (average of C$ 408). 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 22 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 290AverageC$ 445FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapestC$ 351AverageC$ 550FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 403AverageC$ 675FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 416AverageC$ 619FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 419AverageC$ 564FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 484AverageC$ 616FlexibilityNo 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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