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

For as low as C$ 457, Delta can have you in San Jose, California from Region of Ontario in 12h 44m. 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$ 252. Users have also found prices from C$ 254 and C$ 255 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$ 270+ 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 31 August 2026.

Sat 12/96:15 a.m. -

2 stops14h 09m

Sat 19/96:10 a.m. -

2 stops14h 49m

Deal found 26/8C$ 456

Sat 12/96:00 a.m. -

2 stops12h 44m

Sat 19/96:40 a.m. -

2 stops13h 19m

Deal found 26/8C$ 457

Fri 18/98:50 a.m. -

1 stop17h 00m

Tue 22/96:30 a.m. -

1 stop14h 29m

Deal found 26/8C$ 463

Wed 7/106:30 a.m. -

1 stop9h 09m

Sun 11/106:30 a.m. -

1 stop7h 48m

Deal found 26/8C$ 464

Wed 16/97:00 a.m. -

1 stop7h 46m

Sun 20/96:30 a.m. -

1 stop14h 29m

Deal found 28/8C$ 470

Sat 17/106:00 a.m. -

2 stops13h 20m

Wed 21/106:34 p.m. -

2 stops11h 15m

Deal found 27/8C$ 471

Fri 18/98:50 a.m. -

1 stop17h 00m

Mon 21/96:37 p.m. -

2 stops21h 23m

Deal found 26/8C$ 473

Thu 24/124:10 p.m. -

1 stop7h 48m

Wed 13/16:30 a.m. -

1 stop12h 04m

Deal found 26/8C$ 474

Sat 24/101:15 p.m. -

2 stops11h 53m

Sat 31/106:00 a.m. -

2 stops12h 40m

Deal found 27/8C$ 475

Thu 24/124:10 p.m. -

1 stop7h 48m

Sat 16/14:00 p.m. -

2 stops19h 11m

Deal found 26/8C$ 488

Thu 17/97:35 p.m. -

2 stops28h 22m

Mon 21/96:37 p.m. -

2 stops19h 05m

Deal found 29/8C$ 542

Tue 10/114:45 p.m. -

1 stop9h 14m

Wed 11/114:10 p.m. -

2 stops20h 06m

Deal found 26/8C$ 559

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 31 August 2026.

Sat 26/91:34 p.m. -

1 stop10h 48m

Sat 3/106:40 a.m. -

1 stop7h 39m

Deal found 27/8C$ 457

Fri 11/97:00 a.m. -

1 stop7h 46m

Tue 15/96:30 a.m. -

1 stop8h 26m

Deal found 26/8C$ 464

Fri 16/106:00 a.m. -

2 stops14h 32m

Tue 20/108:45 a.m. -

2 stops13h 00m

Deal found 27/8C$ 772

Wed 16/912:08 p.m. -

2 stops12h 58m

Sun 20/910:50 p.m. -

1 stop8h 33m

Deal found 26/8C$ 464

Sat 19/96:00 a.m. -

2 stops13h 13m

Wed 23/912:51 p.m. -

1 stop8h 08m

Deal found 30/8C$ 471

Thu 15/107:35 p.m. -

2 stops24h 57m

Sun 18/106:35 p.m. -

2 stops21h 21m

Deal found 28/8C$ 544

Fri 16/106:15 a.m. -

1 stop8h 29m

Sat 24/104:31 p.m. -

2 stops13h 18m

Deal found 27/8C$ 471

Sat 27/27:05 a.m. -

2 stops13h 51m

Sun 7/36:15 a.m. -

3 stops14h 37m

Deal found 26/8C$ 1,146

Tue 10/114:45 p.m. -

1 stop9h 14m

Wed 11/114:10 p.m. -

2 stops20h 06m

Deal found 26/8C$ 559

Fri 18/96:15 a.m. -

2 stops15h 16m

Wed 23/96:40 a.m. -

1 stop12h 19m

Deal found 30/8C$ 471

Thu 10/94:05 p.m. -

2 stops9h 01m

Wed 16/96:40 a.m. -

1 stop12h 19m

Deal found 27/8C$ 471

Tue 3/1112:10 p.m. -

2 stops11h 58m

Tue 17/112:14 p.m. -

1 stop16h 52m

Deal found 30/8C$ 578

Thu 10/98:40 p.m. -

2 stops44h 21m

Mon 14/97:00 a.m. -

2 stops33h 50m

Deal found 26/8C$ 1,486

Fri 18/911:38 a.m. -

1 stop12h 44m

Tue 22/96:19 p.m. -

2 stops14h 16m

Deal found 29/8C$ 473

Tue 3/1112:10 p.m. -

1 stop13h 49m

Wed 4/112:14 p.m. -

1 stop16h 52m

Deal found 29/8C$ 580

Tue 3/1112:10 p.m. -

1 stop13h 49m

Mon 16/114:10 p.m. -

2 stops23h 35m

Deal found 30/8C$ 599

Wed 4/116:30 a.m. -

2 stops14h 50m

Wed 18/115:54 p.m. -

2 stops12h 01m

Deal found 30/8C$ 506

Thu 5/1112:10 p.m. -

1 stop13h 49m

Wed 18/114:10 p.m. -

2 stops23h 35m

Deal found 30/8C$ 599

Wed 4/1111:38 a.m. -

1 stop12h 47m

Tue 17/118:48 p.m. -

2 stops11h 31m

Deal found 30/8C$ 506

Tue 8/125:30 a.m. -

2 stops18h 41m

Wed 9/129:00 a.m. -

2 stops9h 47m

Deal found 27/8C$ 1,037

Thu 21/14:45 p.m. -

1 stop8h 51m

Sun 21/24:00 p.m. -

2 stops18h 10m

Deal found 26/8C$ 606

Thu 5/117:05 a.m. -

2 stops14h 42m

Mon 9/118:03 a.m. -

2 stops12h 49m

Deal found 29/8C$ 1,175

Sat 12/912:15 p.m. -

2 stops11h 39m

Wed 16/92:10 p.m. -

1 stop16h 57m

Deal found 30/8C$ 619

Thu 22/107:00 a.m. -

2 stops15h 52m

Tue 27/106:34 p.m. -

2 stops14h 04m

Deal found 26/8C$ 583

Thu 5/1112:10 p.m. -

1 stop13h 49m

Mon 9/116:30 a.m. -

1 stop7h 11m

Deal found 29/8C$ 621

Thu 24/97:00 a.m. -

2 stops13h 24m

Thu 1/107:00 a.m. -

2 stops13h 27m

Deal found 26/8C$ 606

Thu 22/106:10 p.m. -

2 stops47h 03m

Sun 25/109:58 a.m. -

2 stops50h 27m

Deal found 27/8C$ 1,515

Sat 20/27:05 a.m. -

2 stops15h 49m

Fri 26/27:03 a.m. -

2 stops13h 49m

Deal found 28/8C$ 1,399

Fri 11/912:15 p.m. -

2 stops11h 42m

Tue 15/96:30 a.m. -

1 stop7h 12m

Deal found 26/8C$ 658

Wed 16/96:10 p.m. -

2 stops31h 35m

Sat 19/97:00 a.m. -

2 stops31h 15m

Deal found 26/8C$ 1,535

Find flight deals from Ontario to San Jose

Round-trip from	C$ 456
One-way from	C$ 270
Popular in	December
Cheapest in	August
Average price	C$ 478

Air France
12/9-19/9
4 total stops
28h 58m total
Ontario to San Jose

Search Deals

Delta
3/10
2 total stops
9h 01m total
Ontario to San Jose

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (C$ 93 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 August 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

Sat 26/9

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

1 stop10h 48m

San Jose

Sat 3/10

6:40 a.m.-5:19 p.m.

1 stop7h 39m

C$ 457

Quickest round-trip

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 11/9

7:00 a.m.-11:46 a.m.

1 stop7h 46m

San Jose

Tue 15/9

6:30 a.m.-5:56 p.m.

1 stop8h 26m

C$ 464

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 16/9

12:08 p.m.-10:06 p.m.

2 stops12h 58m

San Jose

Sun 20/9

10:50 p.m.-10:23 a.m.

1 stop8h 33m

C$ 464

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sat 19/9

6:00 a.m.-4:13 p.m.

2 stops13h 13m

San Jose

Wed 23/9

12:51 p.m.-11:59 p.m.

1 stop8h 08m

C$ 471

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 16/10

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

1 stop8h 29m

San Jose

Sat 24/10

4:31 p.m.-8:49 a.m.

2 stops13h 18m

C$ 471

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 18/9

6:15 a.m.-6:31 p.m.

2 stops15h 16m

San Jose

Wed 23/9

6:40 a.m.-9:59 p.m.

1 stop12h 19m

C$ 471

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Thu 10/9

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

2 stops9h 01m

San Jose

Wed 16/9

6:40 a.m.-9:59 p.m.

1 stop12h 19m

C$ 471

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 18/9

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

1 stop12h 44m

San Jose

Tue 22/9

6:19 p.m.-11:35 a.m.

2 stops14h 16m

C$ 473

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 4/11

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

2 stops14h 50m

San Jose

Wed 18/11

5:54 p.m.-8:55 a.m.

2 stops12h 01m

C$ 506

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 4/11

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

1 stop12h 47m

San Jose

Tue 17/11

8:48 p.m.-11:19 a.m.

2 stops11h 31m

C$ 506

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/8

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

YOW-SJC

YTZ-SJC

YHM-SJC

YUL-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

YOW-SJC

YTZ-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$ 450). Flying from Region of Ontario to San Jose, California in February is currently the most expensive (average of C$ 684). 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$ 534 and C$ 724 in September.
The cheapest round-trip price found within the last 5 days was C$ 456 on Multiple Airlines (12 Sep-19 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 76 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$ 457, Delta can have you in San Jose, California from Region of Ontario in 12h 44m. 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$ 252. Users have also found prices from C$ 254 and C$ 255 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$ 450). Flying from Region of Ontario to San Jose, California in February is currently the most expensive (average of C$ 684). 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$ 400	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Delta	CheapestC$ 385	AverageC$ 488	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	CheapestC$ 406	AverageC$ 665	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 420	AverageC$ 629	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	CheapestC$ 423	AverageC$ 648	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
WestJet	CheapestC$ 466	AverageC$ 593	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$ 270

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 3/10. 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 31 August 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 31 August 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 31 August 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 31 August 2026.

Last-minute flights from Ontario to San JoseDiscover last-minute flight deals from Ontario to San Jose. Data last updated 31 August 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to San Jose. Data last updated 31 August 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 31 August 2026.

Search for one-way flight options from Ontario to San Jose. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Find flight deals from Ontario to San Jose

Round-trip from

One-way from

Popular in

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$ 534 and C$ 724 in September.The cheapest round-trip price found within the last 5 days was C$ 456 on Multiple Airlines (12 Sep-19 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 76 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 31 August 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 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 31 August 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 31 August 2026.

Last-minute flights from Ontario to San Jose
Discover last-minute flight deals from Ontario to San Jose. Data last updated 31 August 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 31 August 2026.

Region of Ontario to San Jose, California flights typically cost between C$ 534 and C$ 724 in September.
The cheapest round-trip price found within the last 5 days was C$ 456 on Multiple Airlines (12 Sep-19 Sep).