How long is the flight from Region of Ontario to San Jose, California?

For as low as C$ 1,077, Delta can have you in San Jose, California from Region of Ontario in 12h 37m. The distance from Region of Ontario to San Jose, California is about 3483 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$ 253. Users have also found prices from C$ 255 and C$ 256 on Air Canada and United Airlines, respectively.

In terms of precipitation, rainfall in San Jose, California ranges from 0.0 - 79.0 mm per month. January is typically the wettest month, when rainfall can reach 79.0 mm. July is typically the driest time to visit San Jose, California when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Jose, California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.0 C).

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.

What are the most popular airlines that fly from Region of Ontario to San Jose, California?

United Airlines, Delta and Air Canada are the most popular airlines when flying from Region of Ontario to San Jose, California.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to San Jose, California as you normally would.

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.

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.

C$ 282+ Cheap Flights from Ontario to San Jose, CA

Cheap flight deals from Ontario to San Jose

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 September 2026.

Tue 29/96:15 a.m. -

2 stops15h 09m

Thu 1/106:40 a.m. -

1 stop12h 19m

Deal found 15/9C$ 483

Fri 2/109:45 a.m. -

2 stops13h 06m

Sun 18/1010:45 p.m. -

1 stop8h 38m

Deal found 14/9C$ 484

Tue 10/116:30 a.m. -

1 stop7h 57m

Mon 16/115:54 p.m. -

2 stops14h 25m

Deal found 15/9C$ 503

Tue 20/105:15 p.m. -

1 stop8h 27m

Sat 24/102:08 p.m. -

1 stop16h 39m

Deal found 14/9C$ 505

Sat 24/109:40 a.m. -

2 stops13h 12m

Tue 17/112:57 p.m. -

2 stops17h 12m

Deal found 14/9C$ 510

Tue 13/1012:49 p.m. -

1 stop11h 05m

Mon 19/1012:57 p.m. -

1 stop8h 02m

Deal found 15/9C$ 512

Sun 22/1112:15 p.m. -

2 stops13h 07m

Thu 26/115:54 p.m. -

2 stops14h 25m

Deal found 15/9C$ 522

Sat 24/107:00 a.m. -

1 stop8h 01m

Thu 29/102:14 p.m. -

1 stop16h 33m

Deal found 16/9C$ 523

Fri 27/116:00 a.m. -

2 stops14h 09m

Sat 5/124:34 p.m. -

2 stops15h 36m

Deal found 15/9C$ 524

Tue 27/109:35 a.m. -

2 stops13h 17m

Wed 4/117:00 a.m. -

2 stops13h 55m

Deal found 16/9C$ 530

Wed 28/106:45 a.m. -

1 stop8h 17m

Wed 11/116:30 a.m. -

1 stop11h 45m

Deal found 14/9C$ 531

Tue 13/1012:49 p.m. -

1 stop11h 05m

Fri 16/106:15 a.m. -

1 stop12h 44m

Deal found 16/9C$ 533

Best flights from Ontario to San Jose
Discover carefully curated flight deals from Ontario to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Sat 17/109:40 a.m. -

2 stops13h 12m

Mon 19/1010:45 p.m. -

1 stop8h 38m

Deal found 15/9C$ 484

Fri 23/101:00 p.m. -

1 stop12h 42m

Sun 25/106:30 a.m. -

1 stop7h 17m

Deal found 12/9C$ 505

Tue 15/1212:10 p.m. -

2 stops13h 38m

Tue 5/17:19 p.m. -

2 stops13h 07m

Deal found 16/9C$ 678

Sat 17/1011:38 a.m. -

1 stop12h 47m

Tue 20/106:30 a.m. -

1 stop12h 29m

Deal found 15/9C$ 484

Tue 20/105:15 p.m. -

1 stop8h 27m

Sat 24/101:00 p.m. -

2 stops17h 14m

Deal found 14/9C$ 505

Tue 13/1012:10 p.m. -

2 stops12h 58m

Tue 20/107:33 p.m. -

2 stops10h 16m

Deal found 15/9C$ 484

Tue 8/125:30 a.m. -

2 stops12h 37m

Wed 9/128:45 a.m. -

2 stops10h 07m

Deal found 16/9C$ 1,077

Sat 31/107:40 a.m. -

2 stops15h 29m

Thu 5/1111:41 a.m. -

2 stops14h 54m

Deal found 15/9C$ 1,082

Fri 23/105:15 p.m. -

1 stop8h 27m

Tue 3/118:45 a.m. -

2 stops11h 41m

Deal found 14/9C$ 510

Thu 5/117:05 a.m. -

2 stops14h 42m

Wed 11/118:03 a.m. -

2 stops12h 49m

Deal found 12/9C$ 1,159

Tue 10/116:30 a.m. -

1 stop7h 57m

Mon 16/115:54 p.m. -

2 stops14h 25m

Deal found 15/9C$ 503

Sat 24/1011:00 a.m. -

2 stops25h 39m

Thu 29/102:14 p.m. -

1 stop16h 33m

Deal found 16/9C$ 523

Fri 23/101:00 p.m. -

1 stop12h 42m

Sat 31/106:30 a.m. -

1 stop7h 17m

Deal found 12/9C$ 523

Thu 26/116:45 a.m. -

1 stop8h 17m

Sat 5/128:45 a.m. -

2 stops12h 07m

Deal found 16/9C$ 544

Wed 28/106:45 a.m. -

1 stop8h 17m

Sun 1/116:30 a.m. -

1 stop7h 17m

Deal found 14/9C$ 544

Tue 13/107:00 a.m. -

2 stops15h 52m

Tue 20/106:20 a.m. -

2 stops14h 34m

Deal found 12/9C$ 662

Tue 26/14:55 p.m. -

2 stops9h 59m

Tue 2/27:00 a.m. -

2 stops13h 10m

Deal found 12/9C$ 662

Tue 10/117:00 a.m. -

2 stops13h 20m

Wed 11/118:40 p.m. -

2 stops17h 47m

Deal found 15/9C$ 686

Tue 10/114:45 p.m. -

1 stop9h 14m

Wed 11/114:10 p.m. -

2 stops20h 06m

Deal found 16/9C$ 658

Thu 26/117:05 a.m. -

2 stops13h 57m

Sun 6/128:00 a.m. -

2 stops12h 52m

Deal found 16/9C$ 1,184

Sun 11/107:00 a.m. -

2 stops19h 50m

Tue 13/106:00 a.m. -

2 stops14h 54m

Deal found 14/9C$ 689

Thu 5/1112:05 p.m. -

1 stop13h 54m

Wed 11/116:30 a.m. -

1 stop7h 12m

Deal found 12/9C$ 660

Sat 27/27:05 a.m. -

2 stops13h 51m

Sun 7/36:15 a.m. -

3 stops14h 37m

Deal found 12/9C$ 1,202

Thu 8/107:00 a.m. -

2 stops18h 08m

Wed 14/1012:57 p.m. -

1 stop7h 57m

Deal found 14/9C$ 689

Thu 5/1112:05 p.m. -

1 stop13h 54m

Mon 9/116:30 a.m. -

1 stop7h 12m

Deal found 13/9C$ 681

Fri 30/107:05 a.m. -

2 stops13h 56m

Fri 6/118:03 a.m. -

2 stops12h 49m

Deal found 15/9C$ 1,245

Fri 2/1012:44 p.m. -

1 stop9h 13m

Mon 5/1010:50 p.m. -

2 stops17h 08m

Deal found 15/9C$ 707

Tue 20/106:10 p.m. -

2 stops24h 41m

Sat 24/102:59 p.m. -

2 stops21h 26m

Deal found 14/9C$ 1,542

Sat 17/1012:15 p.m. -

2 stops11h 33m

Tue 20/106:30 a.m. -

1 stop7h 18m

Deal found 16/9C$ 694

Tue 29/96:10 p.m. -

2 stops28h 41m

Thu 1/102:56 p.m. -

2 stops23h 19m

Deal found 15/9C$ 1,576

Find flight deals from Ontario to San Jose

Round-trip from	C$ 483
One-way from	C$ 282
Popular in	December
Cheapest in	August
Average price	C$ 494

Air France
29/9-1/10
3 total stops
27h 28m total
Ontario to San Jose

Search Deals

Delta
2/10-31/12
1 total stop
8h 46m total
Ontario to San Jose

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 103 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Thu 22/10

6:15 a.m.-11:44 a.m.

1 stop8h 29m

San Jose

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 282

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 21/10

5:15 p.m.-10:42 p.m.

1 stop8h 27m

San Jose

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 282

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 2/10

11:38 a.m.-10:06 p.m.

2 stops13h 28m

San Jose

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 282

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 16/10

2:26 p.m.-11:50 p.m.

2 stops12h 24m

San Jose

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 283

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Mon 12/10

11:38 a.m.-9:25 p.m.

1 stop12h 47m

San Jose

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 283

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Mon 5/10

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

1 stop12h 44m

San Jose

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 283

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Tue 27/10

6:30 a.m.-3:51 p.m.

2 stops12h 21m

San Jose

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 311

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 24/2

12:25 p.m.-8:58 p.m.

1 stop11h 33m

San Jose

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 311

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 14/10

6:40 p.m.-9:39 a.m.

1 stop17h 59m

San Jose

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 324

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Mon 26/10

6:30 a.m.-4:20 p.m.

2 stops12h 50m

San Jose

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 324

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

YYZ-SJC

YUL-SJC

YXU-SJC

YHM-SJC

YTZ-SJC

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

CAON-SJC

YYZ-SJC

YUL-SJC

YXU-SJC

YHM-SJC

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$ 452). Flying from Region of Ontario to San Jose, California in February is currently the most expensive (average of C$ 689). 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$ 529 and C$ 728 in September.
The cheapest round-trip price found within the last 5 days was C$ 483 on Multiple Airlines (29 Sep-1 Oct).

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

Related info for your journey

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$ 1,077, Delta can have you in San Jose, California from Region of Ontario in 12h 37m. The distance from Region of Ontario to San Jose, California is about 3483 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$ 253. Users have also found prices from C$ 255 and C$ 256 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$ 452). Flying from Region of Ontario to San Jose, California in February is currently the most expensive (average of C$ 689). 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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Top 6 airlines flying from Ontario to San Jose

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	CheapestC$ 293	AverageC$ 401	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
United Airlines	CheapestC$ 407	AverageC$ 665	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	CheapestC$ 410	AverageC$ 485	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	CheapestC$ 421	AverageC$ 626	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	CheapestC$ 424	AverageC$ 592	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
WestJet	CheapestC$ 467	AverageC$ 595	FlexibilityNo cancel fee	On-time60%	Search WestJet flights

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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.

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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.

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Cheap flights from Ontario to San Jose, CA from C$ 282

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to San Jose

Cheapest flights from Ontario to San JoseExplore 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 September 2026.

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 September 2026.

Best flights from Ontario to San JoseDiscover carefully curated flight deals from Ontario to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Discover carefully curated flight deals from Ontario to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Last-minute flights from Ontario to San JoseDiscover last-minute flight deals from Ontario to San Jose. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to San Jose. Data last updated 17 September 2026 and is based on user searches.

One-way flights from Ontario to San JoseSearch for one-way flight options from Ontario to San Jose. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Search for one-way flight options from Ontario to San Jose. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Find flight deals from Ontario to San Jose

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One-way from

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Cheapest in

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Use the filters below to find and compare flights from Ontario to San Jose that are best for you.

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.

Cheapflights Insights

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

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$ 529 and C$ 728 in September.The cheapest round-trip price found within the last 5 days was C$ 483 on Multiple Airlines (29 Sep-1 Oct).

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

Related info for your journey

What airport do you fly into for flights to San Jose from Ontario?

How long is the flight from Region of Ontario to San Jose, California?

What are the cheapest airlines to fly from Region of Ontario to San Jose, California one-way?

What are the most popular routes from Region of Ontario to San Jose, California?

Can I find deals for flights from Ontario to San Jose that include hotel bookings?

How can I find direct flights from Ontario to San Jose?

Can I find deals for business class flights from Ontario to San Jose?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to San Jose

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Complete your trip

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Direct flights to California

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Search flights from Ontario to San Jose by cabin class

Find flights from Ontario to San Jose, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and San Jose flights

Browse other Ontario and San Jose flight options. Last updated on 17 September 2026.

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Other flights to San Jose

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Ontario to San Jose flights

Consider these flights travelling from Ontario to San Jose.

Top 6 airlines flying from Ontario to San Jose

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How does Cheapflights help users find flights from Ontario to San Jose?

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Can Cheapflights find flights from Ontario to San Jose with no change fees?

Can Cheapflights notify me if prices for flights from Ontario to San Jose become cheaper?

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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 September 2026.

Best flights from Ontario to San Jose
Discover carefully curated flight deals from Ontario to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Last-minute flights from Ontario to San Jose
Discover last-minute flight deals from Ontario to San Jose. Data last updated 17 September 2026 and is based on user searches.

One-way flights from Ontario to San Jose
Search for one-way flight options from Ontario to San Jose. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Region of Ontario to San Jose, California flights typically cost between C$ 529 and C$ 728 in September.
The cheapest round-trip price found within the last 5 days was C$ 483 on Multiple Airlines (29 Sep-1 Oct).