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

For as low as C$ 468, Delta can have you in San Jose, California from Region of Ontario in 9h 01m. 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 Delta. According to our data, you can fly for as low as C$ 251. Users have also found prices from C$ 253 and C$ 254 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, 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.

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$ 274+ 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 5 September 2026.

Sat 19/97:00 a.m. -

1 stop7h 45m

Sat 26/92:08 p.m. -

1 stop6h 51m

Deal found 1/9C$ 467

Fri 18/96:15 a.m. -

2 stops12h 58m

Tue 22/98:41 p.m. -

2 stops12h 38m

Deal found 1/9C$ 468

Thu 24/96:46 a.m. -

1 stop9h 52m

Tue 29/96:00 a.m. -

1 stop8h 20m

Deal found 4/9C$ 478

Fri 2/105:54 p.m. -

1 stop8h 46m

Mon 5/105:45 p.m. -

2 stops12h 04m

Deal found 1/9C$ 479

Thu 24/912:25 p.m. -

1 stop11h 16m

Mon 28/98:41 p.m. -

2 stops10h 42m

Deal found 3/9C$ 482

Thu 24/912:00 p.m. -

2 stops29h 01m

Sun 27/97:21 a.m. -

2 stops10h 54m

Deal found 1/9C$ 495

Wed 21/106:30 a.m. -

2 stops12h 50m

Tue 3/118:32 p.m. -

2 stops10h 51m

Deal found 3/9C$ 497

Wed 28/109:35 a.m. -

2 stops13h 17m

Sun 1/112:59 p.m. -

2 stops29h 56m

Deal found 3/9C$ 499

Fri 18/98:50 a.m. -

1 stop17h 00m

Tue 22/96:30 a.m. -

1 stop14h 29m

Deal found 4/9C$ 500

Fri 25/91:34 p.m. -

1 stop10h 48m

Mon 5/1010:50 p.m. -

1 stop8h 33m

Deal found 4/9C$ 503

Thu 17/91:34 p.m. -

1 stop10h 48m

Wed 23/96:19 p.m. -

2 stops13h 59m

Deal found 1/9C$ 504

Thu 17/97:35 p.m. -

2 stops24h 56m

Mon 21/96:37 p.m. -

2 stops19h 05m

Deal found 31/8C$ 540

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 5 September 2026.

Thu 15/105:49 p.m. -

1 stop9h 01m

Mon 19/106:34 p.m. -

2 stops12h 49m

Deal found 1/9C$ 468

Sat 17/107:35 p.m. -

2 stops17h 04m

Sun 25/104:10 p.m. -

2 stops21h 31m

Deal found 1/9C$ 565

Thu 17/97:35 p.m. -

2 stops24h 56m

Mon 21/96:37 p.m. -

2 stops19h 05m

Deal found 4/9C$ 685

Mon 28/911:38 a.m. -

1 stop12h 44m

Mon 5/1010:50 p.m. -

1 stop8h 33m

Deal found 31/8C$ 468

Tue 29/912:08 p.m. -

2 stops10h 43m

Tue 6/106:30 a.m. -

2 stops13h 26m

Deal found 31/8C$ 468

Thu 24/96:10 a.m. -

2 stops12h 34m

Sun 27/97:21 a.m. -

2 stops18h 59m

Deal found 3/9C$ 1,060

Mon 28/911:38 a.m. -

1 stop12h 44m

Wed 7/1012:57 p.m. -

1 stop8h 02m

Deal found 31/8C$ 468

Thu 5/117:05 a.m. -

2 stops14h 42m

Sun 8/118:03 a.m. -

2 stops12h 49m

Deal found 4/9C$ 1,140

Tue 22/97:35 p.m. -

2 stops24h 56m

Sat 3/106:30 a.m. -

1 stop7h 18m

Deal found 3/9C$ 576

Tue 22/91:34 p.m. -

1 stop10h 48m

Fri 25/910:50 p.m. -

1 stop8h 33m

Deal found 31/8C$ 468

Sat 19/96:10 a.m. -

1 stop8h 35m

Sat 26/96:30 a.m. -

1 stop8h 00m

Deal found 2/9C$ 636

Wed 16/96:15 a.m. -

2 stops12h 58m

Sun 20/96:40 a.m. -

1 stop12h 19m

Deal found 2/9C$ 479

Sat 17/106:00 a.m. -

2 stops14h 02m

Sun 25/106:20 a.m. -

1 stop9h 09m

Deal found 3/9C$ 479

Thu 5/1112:10 p.m. -

1 stop13h 49m

Sun 8/114:10 p.m. -

2 stops14h 56m

Deal found 31/8C$ 640

Thu 29/1012:10 p.m. -

1 stop13h 49m

Mon 2/116:30 a.m. -

1 stop7h 11m

Deal found 3/9C$ 656

Fri 18/95:54 p.m. -

1 stop8h 46m

Tue 22/96:19 p.m. -

2 stops11h 34m

Deal found 4/9C$ 503

Thu 15/107:35 p.m. -

2 stops24h 57m

Thu 22/106:30 a.m. -

1 stop7h 23m

Deal found 31/8C$ 658

Thu 24/912:25 p.m. -

1 stop11h 16m

Mon 28/910:50 p.m. -

1 stop8h 33m

Deal found 4/9C$ 503

Tue 10/114:45 p.m. -

1 stop9h 14m

Wed 11/114:10 p.m. -

2 stops20h 06m

Deal found 4/9C$ 659

Sat 19/912:25 p.m. -

1 stop8h 21m

Sun 20/910:50 p.m. -

1 stop8h 33m

Deal found 31/8C$ 503

Sat 17/1012:15 p.m. -

2 stops11h 33m

Sat 31/102:14 p.m. -

1 stop17h 52m

Deal found 30/8C$ 676

Fri 16/1012:15 p.m. -

2 stops11h 43m

Sun 25/104:10 p.m. -

2 stops21h 31m

Deal found 1/9C$ 685

Sat 24/1012:15 p.m. -

2 stops11h 33m

Fri 30/106:30 a.m. -

1 stop7h 11m

Deal found 2/9C$ 695

Wed 7/107:00 a.m. -

1 stop8h 39m

Sat 17/1012:57 p.m. -

1 stop7h 57m

Deal found 3/9C$ 634

Thu 29/104:25 p.m. -

2 stops26h 26m

Mon 2/1111:41 a.m. -

2 stops23h 44m

Deal found 4/9C$ 1,514

Mon 28/127:05 a.m. -

2 stops13h 59m

Fri 8/17:00 a.m. -

2 stops13h 52m

Deal found 31/8C$ 1,543

Fri 2/1012:15 p.m. -

2 stops11h 43m

Mon 5/106:30 a.m. -

1 stop7h 18m

Deal found 1/9C$ 695

Sun 25/104:25 p.m. -

2 stops26h 26m

Sun 1/117:00 a.m. -

2 stops52h 25m

Deal found 30/8C$ 1,531

Fri 16/1012:44 p.m. -

1 stop9h 16m

Tue 27/101:34 p.m. -

1 stop6h 48m

Deal found 2/9C$ 662

Thu 24/127:05 a.m. -

2 stops13h 59m

Sun 3/16:15 a.m. -

2 stops14h 37m

Deal found 31/8C$ 1,632

Find flight deals from Ontario to San Jose

Round-trip from	C$ 467
One-way from	C$ 274
Popular in	December
Cheapest in	August
Average price	C$ 489

United Airlines
16/9-20/9
2 total stops
30h 04m total
Ontario to San Jose

Search Deals

United Airlines
18/9-31/12
1 total stop
17h 00m total
Ontario to San Jose

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 102 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% 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

Fri 18/9

8:50 a.m.-10:50 p.m.

1 stop17h 00m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 274

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sat 26/9

1:34 p.m.-9:22 p.m.

1 stop10h 48m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 275

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sat 19/9

4:05 p.m.-10:06 p.m.

2 stops9h 01m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 275

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Tue 22/9

6:15 a.m.-3:44 p.m.

2 stops12h 29m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 275

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sat 17/10

6:00 a.m.-1:57 p.m.

2 stops10h 57m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 275

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Thu 22/10

5:49 p.m.-11:50 p.m.

1 stop9h 01m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 275

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Thu 24/9

6:15 a.m.-12:27 p.m.

1 stop9h 12m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 275

OttawaSan Jose

YOW Ottawa - SJC San Jose

YOWSJC

Ottawa

Mon 12/10

7:20 a.m.-11:20 a.m.

2 stops31h 00m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 301

TorontoSan Jose

YTZ Toronto Island - SJC San Jose

YTZSJC

Toronto Island

Wed 16/9

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

1 stop13h 35m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 304

MontrealSan Jose

YUL Montreal Pierre Elliott Trudeau Intl - SJC San Jose

YULSJC

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

6:45 a.m.-9:41 a.m.

3 stops29h 56m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 329

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/9

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

YTZ-SJC

YOW-SJC

YUL-SJC

YHM-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

YTZ-SJC

YOW-SJC

YUL-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$ 448). Flying from Region of Ontario to San Jose, California in February is currently the most expensive (average of C$ 683). 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$ 532 and C$ 720 in September.
The cheapest round-trip price found within the last 5 days was C$ 467 on United Airlines (16 Sep-20 Sep).

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$ 468, Delta can have you in San Jose, California from Region of Ontario in 9h 01m. 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 Delta. According to our data, you can fly for as low as C$ 251. Users have also found prices from C$ 253 and C$ 254 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, 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, March is the cheapest month in which you can book a flight from Region of Ontario to San Jose, California (average of C$ 448). Flying from Region of Ontario to San Jose, California in February is currently the most expensive (average of C$ 683). 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$ 291	AverageC$ 398	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Delta	CheapestC$ 383	AverageC$ 485	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	CheapestC$ 403	AverageC$ 661	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 417	AverageC$ 625	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	CheapestC$ 420	AverageC$ 644	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
WestJet	CheapestC$ 463	AverageC$ 590	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$ 274

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 18/9. 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 5 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 5 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 5 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 5 September 2026.

Last-minute flights from Ontario to San JoseDiscover last-minute flight deals from Ontario to San Jose. Data last updated 5 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to San Jose. Data last updated 5 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 5 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 5 September 2026.

Find flight deals from Ontario to San Jose

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One-way from

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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$ 532 and C$ 720 in September.The cheapest round-trip price found within the last 5 days was C$ 467 on United Airlines (16 Sep-20 Sep).

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 5 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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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 5 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 5 September 2026.

Last-minute flights from Ontario to San Jose
Discover last-minute flight deals from Ontario to San Jose. Data last updated 5 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 5 September 2026.

Region of Ontario to San Jose, California flights typically cost between C$ 532 and C$ 720 in September.
The cheapest round-trip price found within the last 5 days was C$ 467 on United Airlines (16 Sep-20 Sep).