Find flights
When to book
FAQs

Cheap flights from Ontario to San Jose, CA from C$ 197

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJC
3 Jan — 10 Jan1
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 4 December 2025.

Wed 17/129:35 a.m.YYZ - SJC
2 stops31h 57mMultiple Airlines
Mon 2/210:37 a.m.SJC - YYZ
1 stop16h 43mMultiple Airlines
Deal found 3/12C$ 392
Wed 17/127:40 a.m.YYZ - SJC
2 stops14h 38mDelta
Tue 6/15:54 a.m.SJC - YYZ
2 stops14h 19mDelta
Deal found 2/12C$ 470
Wed 17/124:45 p.m.YYZ - SJC
1 stop19h 37mAlaska Airlines
Mon 2/26:15 a.m.SJC - YYZ
1 stop30h 20mAlaska Airlines
Deal found 3/12C$ 472
Wed 17/124:45 p.m.YYZ - SJC
1 stop19h 37mAlaska Airlines
Sun 1/26:02 p.m.SJC - YYZ
1 stop18h 33mAlaska Airlines
Deal found 3/12C$ 477
Wed 17/129:35 a.m.YYZ - SJC
2 stops31h 57mMultiple Airlines
Fri 30/19:35 a.m.SJC - YYZ
1 stop18h 12mMultiple Airlines
Deal found 3/12C$ 487
Wed 17/127:40 a.m.YYZ - SJC
2 stops14h 38mDelta
Mon 5/110:45 p.m.SJC - YYZ
2 stops16h 08mDelta
Deal found 4/12C$ 519
Fri 12/122:50 p.m.YYZ - SJC
1 stop9h 37mAir Canada
Sun 14/128:45 a.m.SJC - YYZ
1 stop6h 50mAir Canada
Deal found 2/12C$ 576
Sun 7/126:05 a.m.YYZ - SJC
2 stops10h 11mDelta
Sun 14/1210:25 p.m.SJC - YYZ
2 stops13h 23mDelta
Deal found 2/12C$ 590
Mon 8/125:10 p.m.YYZ - SJC
1 stop20h 13mAmerican Airlines
Mon 15/126:00 a.m.SJC - YYZ
1 stop13h 44mAmerican Airlines
Deal found 3/12C$ 599
Wed 31/126:05 a.m.YYZ - SJC
2 stops16h 03mDelta
Tue 6/15:54 a.m.SJC - YYZ
2 stops14h 19mDelta
Deal found 3/12C$ 600
Wed 31/127:27 p.m.YOW - SJC
2 stops21h 06mUnited Airlines
Wed 7/14:00 p.m.SJC - YOW
2 stops22h 12mUnited Airlines
Deal found 2/12C$ 770
Mon 29/126:00 a.m.YOW - SJC
2 stops19h 34mUnited Airlines
Tue 6/14:00 p.m.SJC - YOW
2 stops26h 18mUnited Airlines
Deal found 2/12C$ 980

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 4 December 2025.

Round-trip from

C$ 375

One-way from

C$ 197

Popular in

August

Cheapest in

March

Average price

C$ 593
26/1-2/2
  • 26/1-2/2
  • 3 total stops
  • 35h 57m total
  • Ontario to San Jose
Search Deals
28/1
  • 28/1
  • 3 total stops
  • 32h 31m total
  • Ontario to San Jose
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 4 December 2025.
Use the filters below to find and compare flights from Ontario to San Jose that are best for you.

Fly from

Ontario

Fly to

San Jose

Route

Depart

Return

Price

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 29/1

4:45 p.m.-9:48 a.m.

1 stop20h 03m

San Jose

Mon 2/2

6:02 p.m.-3:35 p.m.

1 stop18h 33m

C$ 413

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 29/1

4:45 p.m.-8:04 p.m.

1 stop30h 19m

San Jose

Sun 8/2

6:02 p.m.-3:35 p.m.

1 stop18h 33m

C$ 419

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Tue 14/4

5:25 p.m.-10:50 p.m.

1 stop8h 25m

San Jose

Sat 18/4

3:49 p.m.-10:03 a.m.

2 stops15h 14m

C$ 420

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 7/1

6:10 a.m.-12:56 p.m.

1 stop9h 46m

San Jose

Sun 18/1

5:54 a.m.-11:13 p.m.

2 stops14h 19m

C$ 421

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 6/1

7:50 a.m.-9:28 p.m.

2 stops16h 38m

San Jose

Fri 16/1

5:54 a.m.-11:13 p.m.

2 stops14h 19m

C$ 421

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 6/1

7:50 a.m.-9:28 p.m.

2 stops16h 38m

San Jose

Sat 17/1

5:54 a.m.-7:08 p.m.

2 stops10h 14m

C$ 421

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 7/1

6:10 a.m.-7:12 p.m.

2 stops16h 02m

San Jose

Sat 17/1

5:54 a.m.-7:08 p.m.

2 stops10h 14m

C$ 421

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 6/1

7:50 a.m.-9:28 p.m.

2 stops16h 38m

San Jose

Sun 18/1

5:54 a.m.-11:58 p.m.

2 stops15h 04m

C$ 421

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 7/1

6:10 a.m.-4:20 p.m.

2 stops13h 10m

San Jose

Tue 13/1

10:45 p.m.-11:08 a.m.

1 stop9h 23m

C$ 421

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 6/1

7:50 a.m.-9:28 p.m.

2 stops16h 38m

San Jose

Tue 13/1

9:50 a.m.-10:41 p.m.

2 stops9h 51m

C$ 421

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 60 results
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

What is the cheapest month to book a flight from Region of Ontario to San Jose, California?

Currently, April is the cheapest month in which you can book a flight from Region of Ontario to San Jose, California (average of C$ 201). Flying from Region of Ontario to San Jose, California in December is currently the most expensive (average of C$ 361). 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.

What is the cheapest time of day to fly from ON to SJC?

Find hourly flight availability from Ontario to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 December 2025.

A simple way to save on the total cost of your ticket is to fly from Region of Ontario to San Jose, California in the evening. If you’re flexible enough to do this you can expect to save up to 61% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Region of Ontario to San Jose, California?

Use this chart to determine the cheapest time to fly round-trip from Ontario to San Jose. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Region of Ontario to San Jose, California flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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$ 420, Alaska Airlines can have you in San Jose, California from Region of Ontario in 8h 25m. The distance from Region of Ontario to San Jose, California is about 3903 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$ 236. Users have also found prices from C$ 243 and C$ 244 on Air Canada and American Airlines, 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 Ottawa - 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, April is the cheapest month in which you can book a flight from Region of Ontario to San Jose, California (average of C$ 201). Flying from Region of Ontario to San Jose, California in December is currently the most expensive (average of C$ 361). 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
Pearson Intl to Las Vegas flights
Pearson Intl to Los Angeles flights
Vancouver Intl to Las Vegas flights
Pearson Intl to San Francisco flights
Vancouver Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Calgary to Las Vegas flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Vancouver Intl to Palm Springs flights
Vancouver Intl to Ontario flights
Edmonton to Las Vegas flights
Abbotsford to Los Angeles flights
Abbotsford to San Francisco flights
Vancouver Intl to Santa Ana flights
Pearson Intl to Ontario flights
Pierre Elliott Trudeau Intl to San Francisco flights
Abbotsford to Las Vegas flights
Pearson Intl to San Diego flights
Calgary to Los Angeles flights
Vancouver Intl to San Diego flights
Toronto Island to Las Vegas flights
Toronto Island to San Francisco flights
Pearson Intl to Santa Ana flights
Vancouver Intl to San Jose flights
Edmonton to Los Angeles flights
Vancouver Intl to Sacramento flights
Calgary to San Francisco flights
Pearson Intl to San Jose flights
Toronto Island to Los Angeles flights
Ottawa to Las Vegas flights
Hamilton to Las Vegas flights
Pearson Intl to Palm Springs flights
Abbotsford to Palm Springs flights
Winnipeg to Las Vegas flights
Pierre Elliott Trudeau Intl to San Diego flights
Calgary to Palm Springs flights
Pearson Intl to Oakland flights
Ottawa to Los Angeles flights
Québec City to Las Vegas flights
Pierre Elliott Trudeau Intl to Ontario flights
Region of Waterloo Intl to Las Vegas flights
Calgary to Ontario flights
Ottawa to San Diego flights
Toronto Island to San Diego flights
Halifax to Los Angeles flights
Vancouver Intl to Burbank flights
Calgary to San Diego flights
Edmonton to Palm Springs flights
Abbotsford to San Diego flights

Top 7 airlines flying from Ontario to San Jose

Discover the top 7 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 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 338AverageC$ 674FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air CanadaCheapestC$ 354AverageC$ 572FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 392AverageC$ 490FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 395AverageC$ 559FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 396AverageC$ 751FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 398AverageC$ 619FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 476AverageC$ 582FlexibilityNo 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.