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

For as low as C$ 500, United Airlines 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 United Airlines. According to our data, you can fly for as low as C$ 255. Users have also found prices from C$ 257 and C$ 259 on Delta and Air Canada, 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$ 291+ 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 19 October 2026.

Thu 22/105:49 p.m. -

1 stop9h 01m

Sun 25/106:20 a.m. -

1 stop9h 09m

Deal found 14/10C$ 500

Fri 30/101:34 p.m. -

1 stop10h 51m

Mon 2/1112:57 p.m. -

1 stop8h 02m

Deal found 16/10C$ 502

Thu 12/116:15 a.m. -

1 stop8h 35m

Wed 2/126:20 a.m. -

2 stops13h 47m

Deal found 19/10C$ 503

Wed 28/103:00 p.m. -

1 stop10h 08m

Thu 29/1012:02 p.m. -

1 stop7h 45m

Deal found 15/10C$ 513

Sat 24/102:15 p.m. -

2 stops10h 53m

Thu 29/106:00 a.m. -

1 stop8h 24m

Deal found 18/10C$ 514

Thu 22/105:15 p.m. -

1 stop8h 27m

Mon 26/102:14 p.m. -

1 stop6h 45m

Deal found 15/10C$ 516

Thu 22/101:15 p.m. -

2 stops12h 28m

Sun 25/107:16 p.m. -

2 stops14h 18m

Deal found 14/10C$ 519

Sat 14/115:12 p.m. -

1 stop8h 36m

Tue 1/127:26 p.m. -

2 stops13h 23m

Deal found 19/10C$ 523

Fri 30/106:45 a.m. -

1 stop8h 17m

Sun 1/112:14 p.m. -

1 stop6h 45m

Deal found 16/10C$ 524

Sun 1/116:45 a.m. -

1 stop8h 17m

Wed 4/116:30 a.m. -

1 stop7h 17m

Deal found 17/10C$ 526

Tue 8/126:15 a.m. -

2 stops17h 38m

Thu 10/124:10 p.m. -

2 stops26h 06m

Deal found 14/10C$ 991

Sat 19/126:15 a.m. -

1 stop19h 30m

Fri 8/11:05 p.m. -

2 stops22h 04m

Deal found 18/10C$ 996

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 19 October 2026.

Thu 22/101:00 p.m. -

2 stops10h 48m

Fri 23/106:30 a.m. -

1 stop8h 26m

Deal found 14/10C$ 500

Thu 22/105:49 p.m. -

1 stop9h 01m

Sun 25/106:20 a.m. -

1 stop9h 09m

Deal found 14/10C$ 500

Fri 6/116:00 a.m. -

2 stops13h 20m

Mon 9/111:00 p.m. -

1 stop7h 57m

Deal found 16/10C$ 502

Sun 25/106:45 a.m. -

1 stop8h 17m

Thu 29/106:30 a.m. -

1 stop7h 17m

Deal found 17/10C$ 543

Fri 30/106:30 a.m. -

1 stop9h 09m

Sun 1/116:34 p.m. -

2 stops12h 49m

Deal found 16/10C$ 502

Mon 2/1111:38 a.m. -

1 stop12h 47m

Fri 6/1112:57 p.m. -

1 stop8h 02m

Deal found 19/10C$ 503

Thu 29/105:49 p.m. -

1 stop7h 06m

Wed 4/116:34 p.m. -

2 stops11h 15m

Deal found 18/10C$ 503

Thu 5/1111:38 a.m. -

1 stop12h 47m

Sun 8/1112:57 p.m. -

1 stop8h 02m

Deal found 17/10C$ 503

Sat 24/106:10 a.m. -

2 stops11h 03m

Fri 30/106:20 a.m. -

1 stop9h 09m

Deal found 17/10C$ 503

Tue 8/126:15 a.m. -

2 stops17h 38m

Thu 10/124:10 p.m. -

2 stops26h 06m

Deal found 14/10C$ 991

Thu 24/126:15 a.m. -

2 stops17h 43m

Tue 5/14:05 p.m. -

2 stops26h 18m

Deal found 18/10C$ 996

Tue 22/126:15 a.m. -

1 stop19h 30m

Mon 4/12:26 p.m. -

2 stops21h 41m

Deal found 18/10C$ 996

Sun 20/126:15 a.m. -

2 stops17h 43m

Tue 5/14:05 p.m. -

2 stops19h 04m

Deal found 18/10C$ 996

Sat 14/116:15 a.m. -

2 stops17h 53m

Tue 17/114:10 p.m. -

2 stops18h 59m

Deal found 19/10C$ 996

Sat 14/116:15 a.m. -

2 stops17h 53m

Wed 18/118:45 a.m. -

2 stops27h 22m

Deal found 19/10C$ 996

Mon 21/126:15 a.m. -

2 stops17h 43m

Tue 5/14:05 p.m. -

2 stops24h 22m

Deal found 18/10C$ 996

Fri 25/126:15 a.m. -

1 stop19h 30m

Mon 4/111:00 p.m. -

1 stop12h 09m

Deal found 18/10C$ 996

Find flight deals from Ontario to San Jose

Round-trip from	C$ 500
One-way from	C$ 291
Popular in	March
Cheapest in	August
Average price	C$ 718

Delta
4/12-6/12
3 total stops
24h 40m total
Ontario to San Jose

Search Deals

Delta
30/10-31/12
2 total stops
11h 14m total
Ontario to San Jose

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (C$ 128 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 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 28/11

6:15 a.m.-11:50 a.m.

1 stop8h 35m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 291

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 2/12

5:15 p.m.-10:58 a.m.

1 stop20h 43m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 291

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sun 1/11

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$ 291

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Tue 15/12

6:00 a.m.-2:14 p.m.

2 stops11h 14m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 291

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 30/10

1:34 p.m.-9:25 p.m.

1 stop10h 51m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 291

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Mon 2/11

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$ 291

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 25/11

6:45 a.m.-12:02 p.m.

1 stop8h 17m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 300

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Tue 1/12

5:15 p.m.-1:54 p.m.

2 stops23h 39m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 305

Quickest round-trip

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Mon 9/11

5:55 p.m.-10:59 p.m.

1 stop8h 04m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 308

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Thu 22/10

1:00 p.m.-8:48 p.m.

2 stops10h 48m

San Jose

Fri 23/10

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

1 stop8h 26m

C$ 500

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/10

Showing 1-10 of 37 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

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

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$ 693). 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$ 558 and C$ 669 in December.
The cheapest round-trip price found within the last 5 days was C$ 500 on Delta (4 Dec-6 Dec).

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$ 500, United Airlines 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 United Airlines. According to our data, you can fly for as low as C$ 255. Users have also found prices from C$ 257 and C$ 259 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, 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$ 693). 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$ 297	AverageC$ 407	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Air Canada	CheapestC$ 335	AverageC$ 635	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 413	AverageC$ 688	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	CheapestC$ 415	AverageC$ 499	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
American Airlines	CheapestC$ 430	AverageC$ 600	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
WestJet	CheapestC$ 473	AverageC$ 605	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.

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.

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Cheap flights from Ontario to San Jose, CA from C$ 291

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 28/11. 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 19 October 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 19 October 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 19 October 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 19 October 2026.

Last-minute flights from Ontario to San JoseDiscover last-minute flight deals from Ontario to San Jose. Data last updated 19 October 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to San Jose. Data last updated 19 October 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 19 October 2026.

Search for one-way flight options from Ontario to San Jose. Find affordable one-way fares based on user searches. Data last updated 19 October 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$ 558 and C$ 669 in December.The cheapest round-trip price found within the last 5 days was C$ 500 on Delta (4 Dec-6 Dec).

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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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 19 October 2026.

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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 19 October 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 19 October 2026.

Last-minute flights from Ontario to San Jose
Discover last-minute flight deals from Ontario to San Jose. Data last updated 19 October 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 19 October 2026.

Region of Ontario to San Jose, California flights typically cost between C$ 558 and C$ 669 in December.
The cheapest round-trip price found within the last 5 days was C$ 500 on Delta (4 Dec-6 Dec).