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Cheap flights from Ontario to San Jose, CA from C$ 243

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJC
3 May — 10 May1
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 3 April 2026.

Fri 1/56:15 p.m.
YYZ
-
SJC
1 stop18h 52m
American Airlines
Tue 5/56:00 a.m.
SJC
-
YYZ
1 stop8h 19m
American Airlines
Deal found 2/4C$ 452
Mon 4/511:30 a.m.
YYZ
-
SJC
1 stop13h 15m
Delta
Tue 12/55:50 a.m.
SJC
-
YYZ
1 stop7h 45m
Delta
Deal found 31/3C$ 454
Tue 5/56:11 p.m.
YYZ
-
SJC
2 stops8h 31m
Delta
Tue 12/59:53 a.m.
SJC
-
YYZ
2 stops10h 06m
Delta
Deal found 31/3C$ 456
Fri 17/46:10 a.m.
YYZ
-
SJC
2 stops15h 57m
Delta
Mon 20/411:00 p.m.
SJC
-
YYZ
1 stop8h 19m
Delta
Deal found 2/4C$ 458
Sat 13/611:38 a.m.
YYZ
-
SJC
1 stop13h 04m
Delta
Wed 17/66:35 a.m.
SJC
-
YYZ
1 stop12h 24m
Delta
Deal found 1/4C$ 460
Tue 29/91:30 p.m.
YYZ
-
SJC
1 stop12h 11m
Delta
Sat 10/105:45 a.m.
SJC
-
YYZ
1 stop7h 54m
Delta
Deal found 29/3C$ 463
Thu 3/94:18 p.m.
YYZ
-
SJC
1 stop7h 52m
United Airlines
Tue 8/96:37 p.m.
SJC
-
YYZ
2 stops11h 42m
United Airlines
Deal found 31/3C$ 465
Fri 10/76:10 a.m.
YYZ
-
SJC
1 stop8h 53m
United Airlines
Tue 21/78:45 a.m.
SJC
-
YYZ
1 stop9h 47m
United Airlines
Deal found 2/4C$ 466
Sun 19/42:15 p.m.
YYZ
-
SJC
2 stops12h 27m
Delta
Fri 24/48:20 p.m.
SJC
-
YYZ
2 stops12h 12m
Delta
Deal found 30/3C$ 467
Mon 1/612:29 p.m.
YYZ
-
SJC
1 stop11h 09m
Delta
Sat 6/65:50 a.m.
SJC
-
YYZ
2 stops14h 09m
Delta
Deal found 29/3C$ 470
Wed 17/65:45 p.m.
YYZ
-
SJC
1 stop8h 54m
Delta
Tue 23/66:15 a.m.
SJC
-
YYZ
2 stops13h 47m
Delta
Deal found 29/3C$ 477
Tue 5/59:30 a.m.
YYZ
-
SJC
2 stops15h 45m
WestJet
Mon 11/59:53 a.m.
SJC
-
YYZ
2 stops12h 12m
WestJet
Deal found 29/3C$ 483

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 3 April 2026.

Round-trip from

C$ 452

One-way from

C$ 243

Popular in

January

Cheapest in

April

Average price

C$ 430
American Airlines
  • American Airlines
  • 1/5-5/5
  • 2 total stops
  • 27h 11m total
  • Ontario to San Jose
Search Deals
7/6
  • 7/6
  • 2 total stops
  • 34h 02m total
  • Ontario to San Jose
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 197 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 3 April 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 16/4

6:10 a.m.-4:59 p.m.

2 stops13h 49m

San Jose

Wed 22/4

6:00 a.m.-11:10 p.m.

2 stops14h 10m

C$ 456

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 28/4

1:00 p.m.-10:41 p.m.

1 stop12h 41m

San Jose

Wed 29/4

3:45 p.m.-11:49 a.m.

2 stops17h 04m

C$ 456

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Fri 17/4

2:15 p.m.-11:42 p.m.

2 stops12h 27m

San Jose

Mon 20/4

11:00 p.m.-12:19 p.m.

1 stop10h 19m

C$ 456

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 9/7

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

1 stop9h 50m

San Jose

Mon 20/7

6:37 p.m.-10:04 a.m.

2 stops12h 27m

C$ 466

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Mon 1/6

6:30 a.m.-12:18 p.m.

1 stop8h 48m

San Jose

Wed 3/6

5:50 a.m.-9:55 p.m.

2 stops13h 05m

C$ 490

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Fri 26/6

6:30 a.m.-4:11 p.m.

2 stops12h 41m

San Jose

Sat 4/7

5:01 p.m.-8:55 a.m.

2 stops12h 54m

C$ 492

TorontoSan Jose

YTZ - SJC

YTZSJC

Toronto Island

Wed 16/9

2:55 p.m.-12:04 p.m.

2 stops24h 09m

San Jose

Sat 19/9

8:45 a.m.-10:06 a.m.

2 stops22h 21m

C$ 526

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Tue 28/4

6:25 a.m.-9:07 p.m.

2 stops17h 42m

San Jose

Wed 29/4

6:30 a.m.-9:35 p.m.

1 stop12h 05m

C$ 552

MontrealSan Jose

YUL - SJC

YULSJC

Montreal Pierre Elliott Trudeau Intl

Tue 4/8

7:44 p.m.-12:01 p.m.

2 stops19h 17m

San Jose

Fri 14/8

7:15 a.m.-8:43 a.m.

2 stops22h 28m

C$ 682

MontrealSan Jose

YUL - SJC

YULSJC

Montreal Pierre Elliott Trudeau Intl

Fri 24/4

6:45 p.m.-8:57 a.m.

2 stops17h 12m

San Jose

Tue 28/4

4:00 p.m.-11:38 a.m.

2 stops16h 38m

C$ 694

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/3

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, August is the cheapest month in which you can book a flight from Region of Ontario to San Jose, California (average of C$ 221). Flying from Region of Ontario to San Jose, California in December is currently the most expensive (average of C$ 352). 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?

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$ 456, Delta can have you in San Jose, California from Region of Ontario in 12h 41m. 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$ 225. Users have also found prices from C$ 251 and C$ 253 on United Airlines and Delta, 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, August is the cheapest month in which you can book a flight from Region of Ontario to San Jose, California (average of C$ 221). Flying from Region of Ontario to San Jose, California in December is currently the most expensive (average of C$ 352). 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 3 April 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 287AverageC$ 531FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 293AverageC$ 450FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 400AverageC$ 677FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 423AverageC$ 570FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 426AverageC$ 602FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 475AverageC$ 594FlexibilityNo 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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