Find flights
When to book
FAQs

Cheap flights from Ontario to San Jose, CA from C$ 294

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJC
16 Jun — 23 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 17 May 2026.

Wed 9/910:45 a.m.
YYZ
-
SJC
1 stop9h 46m
United Airlines
Sat 12/92:10 p.m.
SJC
-
YYZ
1 stop7h 03m
United Airlines
Deal found 16/5C$ 507
Tue 28/75:45 p.m.
YYZ
-
SJC
1 stop8h 54m
Delta
Thu 13/85:07 p.m.
SJC
-
YYZ
2 stops14h 18m
Delta
Deal found 15/5C$ 509
Tue 30/61:40 p.m.
YYZ
-
SJC
1 stop12h 17m
Delta
Mon 20/710:00 p.m.
SJC
-
YYZ
1 stop11h 23m
Delta
Deal found 14/5C$ 510
Tue 30/61:40 p.m.
YYZ
-
SJC
1 stop12h 17m
Delta
Tue 21/712:40 p.m.
SJC
-
YYZ
1 stop8h 18m
Delta
Deal found 13/5C$ 511
Wed 29/76:10 a.m.
YYZ
-
SJC
1 stop8h 53m
United Airlines
Sat 1/84:00 p.m.
SJC
-
YYZ
2 stops14h 54m
United Airlines
Deal found 15/5C$ 514
Wed 17/66:30 a.m.
YYZ
-
SJC
2 stops13h 47m
Delta
Mon 22/610:00 p.m.
SJC
-
YYZ
1 stop11h 25m
Delta
Deal found 15/5C$ 518
Sun 2/86:30 a.m.
YYZ
-
SJC
2 stops14h 56m
Delta
Fri 7/86:30 a.m.
SJC
-
YYZ
1 stop12h 29m
Delta
Deal found 15/5C$ 520
Wed 17/61:40 p.m.
YYZ
-
SJC
1 stop12h 17m
Delta
Tue 23/610:00 p.m.
SJC
-
YYZ
1 stop11h 25m
Delta
Deal found 14/5C$ 521
Wed 1/71:40 p.m.
YYZ
-
SJC
1 stop12h 17m
Delta
Sun 19/76:35 a.m.
SJC
-
YYZ
1 stop12h 26m
Delta
Deal found 14/5C$ 522
Tue 30/61:40 p.m.
YYZ
-
SJC
1 stop12h 17m
Delta
Thu 16/76:35 a.m.
SJC
-
YYZ
1 stop12h 26m
Delta
Deal found 13/5C$ 524
Tue 30/61:40 p.m.
YYZ
-
SJC
1 stop12h 17m
Delta
Sat 18/77:00 a.m.
SJC
-
YYZ
2 stops13h 58m
Delta
Deal found 13/5C$ 525
Thu 2/76:30 a.m.
YYZ
-
SJC
2 stops12h 37m
Delta
Mon 20/77:00 a.m.
SJC
-
YYZ
2 stops13h 02m
Delta
Deal found 16/5C$ 531

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 17 May 2026.

Round-trip from

C$ 507

One-way from

C$ 294

Popular in

January

Cheapest in

May

Average price

C$ 474
Delta
  • Delta
  • 3/7-11/7
  • 3 total stops
  • 22h 20m total
  • Ontario to San Jose
Search Deals
Delta
  • Delta
  • 11/6
  • 2 total stops
  • 13h 38m 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$ 24 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 17 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

Fri 21/8

11:40 a.m.-6:58 p.m.

1 stop10h 18m

San Jose

Fri 28/8

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

2 stops11h 43m

C$ 509

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Fri 29/5

2:20 p.m.-11:41 p.m.

2 stops12h 21m

San Jose

Thu 9/7

6:00 a.m.-11:13 p.m.

2 stops14h 13m

C$ 509

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sat 20/6

11:38 a.m.-9:42 p.m.

1 stop13h 04m

San Jose

Tue 23/6

6:35 a.m.-9:59 p.m.

1 stop12h 24m

C$ 521

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 17/6

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

1 stop12h 17m

San Jose

Tue 23/6

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

1 stop11h 25m

C$ 521
Quickest round-trip

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sat 29/8

6:00 a.m.-11:28 a.m.

1 stop8h 28m

San Jose

Wed 9/9

12:45 p.m.-12:04 a.m.

1 stop8h 19m

C$ 521

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Fri 19/6

6:05 a.m.-4:07 p.m.

2 stops13h 02m

San Jose

Tue 23/6

6:35 a.m.-9:59 p.m.

1 stop12h 24m

C$ 521

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 2/7

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

1 stop12h 17m

San Jose

Thu 16/7

6:00 a.m.-11:13 p.m.

2 stops14h 13m

C$ 524

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 2/7

6:30 a.m.-4:07 p.m.

2 stops12h 37m

San Jose

Tue 21/7

8:19 p.m.-10:25 a.m.

2 stops11h 06m

C$ 531

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sat 4/7

6:30 a.m.-6:03 p.m.

2 stops14h 33m

San Jose

Sat 18/7

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

1 stop8h 18m

C$ 536

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sat 4/7

6:30 a.m.-4:07 p.m.

2 stops12h 37m

San Jose

Sun 19/7

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

1 stop12h 26m

C$ 549

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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

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 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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$ 181). Flying from Region of Ontario to San Jose, California in April is currently the most expensive (average of C$ 407). 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$ 509, Delta can have you in San Jose, California from Region of Ontario in 10h 18m. 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$ 222. 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$ 181). Flying from Region of Ontario to San Jose, California in April is currently the most expensive (average of C$ 407). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to San Jose

See prices for flight routes from nearby airports that may be better suited for you.
Vancouver Intl to Los Angeles flights
Vancouver Intl to Las Vegas flights
Pearson Intl to Las Vegas flights
Pearson Intl to Los Angeles flights
Vancouver Intl to San Francisco flights
Pearson Intl to San Francisco flights
Calgary to Las Vegas flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Abbotsford to Los Angeles flights
Abbotsford to Las Vegas flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Vancouver Intl to Ontario flights
Vancouver Intl to San Diego flights
Toronto Island to Las Vegas flights
Pearson Intl to San Diego flights
Edmonton to Las Vegas flights
Calgary to Los Angeles flights
Pierre Elliott Trudeau Intl to San Francisco flights
Abbotsford to San Francisco flights
Pearson Intl to Ontario flights
Toronto Island to Los Angeles flights
Toronto Island to San Francisco flights
Vancouver Intl to Santa Ana flights
Winnipeg to Las Vegas flights
Region of Waterloo Intl to Los Angeles flights
Calgary to San Francisco flights
Region of Waterloo Intl to Las Vegas flights
Edmonton to San Francisco flights
Hamilton to Las Vegas flights
Region of Waterloo Intl to San Francisco flights
Vancouver Intl to Palm Springs flights
Hamilton to Los Angeles flights
Hamilton to San Francisco flights
Abbotsford to San Diego flights
Edmonton to Los Angeles flights
Vancouver Intl to Sacramento flights
Calgary to San Diego flights
Pierre Elliott Trudeau Intl to Ontario flights
Pearson Intl to Sacramento flights
Pierre Elliott Trudeau Intl to San Diego flights
Abbotsford to Ontario flights
Ottawa to Las Vegas flights
Calgary to Ontario flights
Pearson Intl to San Jose flights
Winnipeg to Los Angeles flights
Ottawa to Los Angeles flights
Toronto Island to San Diego flights
Vancouver Intl to San Jose flights
Regina to Las Vegas flights
Pearson Intl to Oakland flights

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 17 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 289AverageC$ 444FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapestC$ 347AverageC$ 550FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 402AverageC$ 670FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 415AverageC$ 605FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 418AverageC$ 566FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 483AverageC$ 615FlexibilityNo 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.