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

For as low as C$ 481, Delta can have you in San Jose, California from Region of Ontario in 11h 16m. 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$ 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 11 September 2026.

Sat 3/104:05 p.m. -

2 stops9h 01m

Wed 3/35:45 a.m. -

2 stops10h 22m

Deal found 8/9C$ 464

Wed 7/101:34 p.m. -

1 stop10h 51m

Wed 14/1012:57 p.m. -

1 stop8h 02m

Deal found 8/9C$ 466

Wed 30/96:00 a.m. -

2 stops11h 01m

Mon 5/1010:50 p.m. -

1 stop8h 33m

Deal found 8/9C$ 473

Thu 24/95:54 p.m. -

1 stop8h 46m

Sat 26/96:40 a.m. -

1 stop7h 39m

Deal found 9/9C$ 474

Thu 24/912:25 p.m. -

1 stop11h 16m

Mon 28/910:50 p.m. -

1 stop8h 33m

Deal found 7/9C$ 481

Sat 10/1011:38 a.m. -

1 stop12h 47m

Tue 20/108:32 p.m. -

2 stops10h 51m

Deal found 9/9C$ 486

Fri 25/92:55 p.m. -

1 stop10h 06m

Tue 29/96:00 a.m. -

2 stops12h 43m

Deal found 6/9C$ 495

Wed 30/97:00 a.m. -

1 stop8h 01m

Wed 10/32:15 p.m. -

1 stop7h 04m

Deal found 8/9C$ 499

Wed 30/97:43 p.m. -

2 stops16h 56m

Wed 24/34:00 p.m. -

2 stops19h 11m

Deal found 10/9C$ 500

Wed 14/1012:50 p.m. -

2 stops10h 02m

Tue 13/47:00 a.m. -

2 stops13h 10m

Deal found 9/9C$ 562

Tue 13/107:00 a.m. -

2 stops18h 08m

Sat 24/1012:57 p.m. -

1 stop7h 57m

Deal found 9/9C$ 583

Sat 24/1012:15 p.m. -

2 stops24h 24m

Sat 31/106:30 a.m. -

1 stop7h 12m

Deal found 9/9C$ 597

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 11 September 2026.

Thu 24/912:25 p.m. -

1 stop11h 16m

Mon 28/98:41 p.m. -

2 stops11h 54m

Deal found 7/9C$ 481

Fri 23/105:15 p.m. -

1 stop8h 27m

Tue 27/106:30 a.m. -

1 stop9h 15m

Deal found 9/9C$ 500

Fri 2/106:45 a.m. -

2 stops17h 13m

Wed 7/108:45 a.m. -

2 stops13h 00m

Deal found 9/9C$ 785

Wed 7/1011:38 a.m. -

1 stop12h 47m

Wed 14/1012:57 p.m. -

1 stop8h 02m

Deal found 7/9C$ 481

Sat 24/107:00 a.m. -

1 stop8h 01m

Sat 31/108:45 a.m. -

2 stops12h 14m

Deal found 9/9C$ 500

Thu 1/1012:25 p.m. -

1 stop11h 16m

Mon 12/106:30 a.m. -

1 stop12h 29m

Deal found 9/9C$ 482

Thu 5/117:05 a.m. -

2 stops14h 42m

Sun 8/116:17 a.m. -

2 stops14h 35m

Deal found 8/9C$ 1,098

Thu 7/16:40 a.m. -

2 stops13h 17m

Thu 28/11:50 p.m. -

2 stops12h 45m

Deal found 9/9C$ 1,105

Fri 23/105:15 p.m. -

1 stop8h 27m

Sun 1/116:30 a.m. -

1 stop11h 45m

Deal found 7/9C$ 533

Sat 10/1011:38 a.m. -

1 stop12h 47m

Tue 20/108:32 p.m. -

2 stops10h 51m

Deal found 9/9C$ 486

Fri 25/96:15 a.m. -

2 stops14h 09m

Tue 29/96:19 p.m. -

2 stops13h 04m

Deal found 6/9C$ 502

Sat 24/1012:15 p.m. -

2 stops24h 24m

Sat 31/106:30 a.m. -

1 stop7h 12m

Deal found 9/9C$ 597

Fri 2/105:54 p.m. -

1 stop8h 46m

Sat 17/1012:57 p.m. -

1 stop8h 02m

Deal found 6/9C$ 502

Sat 24/1012:15 p.m. -

2 stops11h 33m

Tue 3/116:30 a.m. -

1 stop7h 11m

Deal found 7/9C$ 638

Wed 30/96:15 a.m. -

1 stop8h 21m

Wed 10/312:45 p.m. -

1 stop8h 16m

Deal found 9/9C$ 533

Tue 10/114:45 p.m. -

1 stop9h 14m

Wed 11/114:10 p.m. -

2 stops20h 06m

Deal found 8/9C$ 638

Wed 14/106:00 a.m. -

2 stops16h 52m

Tue 20/107:00 a.m. -

2 stops13h 54m

Deal found 9/9C$ 583

Thu 5/1112:05 p.m. -

1 stop13h 54m

Mon 9/116:30 a.m. -

1 stop7h 12m

Deal found 10/9C$ 656

Fri 6/117:00 a.m. -

2 stops17h 08m

Sat 14/116:30 a.m. -

1 stop11h 47m

Deal found 7/9C$ 684

Tue 10/1112:44 p.m. -

1 stop12h 28m

Sun 15/116:00 p.m. -

2 stops14h 37m

Deal found 9/9C$ 627

Sat 7/117:05 a.m. -

2 stops14h 42m

Sun 15/118:03 a.m. -

2 stops12h 49m

Deal found 7/9C$ 1,259

Wed 7/1012:15 p.m. -

2 stops11h 33m

Wed 14/106:30 a.m. -

1 stop7h 18m

Deal found 9/9C$ 694

Fri 6/117:05 a.m. -

2 stops14h 42m

Mon 9/118:03 a.m. -

2 stops12h 49m

Deal found 7/9C$ 1,267

Tue 27/1012:44 p.m. -

1 stop11h 41m

Wed 4/1112:57 p.m. -

1 stop7h 57m

Deal found 8/9C$ 658

Wed 7/106:10 p.m. -

2 stops22h 47m

Wed 14/107:00 a.m. -

2 stops31h 15m

Deal found 7/9C$ 1,423

Sat 17/1012:15 p.m. -

2 stops11h 33m

Sun 25/104:10 p.m. -

2 stops21h 32m

Deal found 6/9C$ 707

Tue 1/127:00 a.m. -

2 stops16h 39m

Tue 8/127:00 a.m. -

2 stops13h 43m

Deal found 7/9C$ 658

Sat 27/27:05 a.m. -

2 stops15h 49m

Sun 7/37:03 a.m. -

2 stops13h 49m

Deal found 6/9C$ 1,344

Thu 24/98:40 p.m. -

2 stops20h 21m

Mon 28/99:52 a.m. -

2 stops30h 58m

Deal found 6/9C$ 1,484

Wed 7/1012:44 p.m. -

1 stop11h 41m

Sat 17/106:20 a.m. -

2 stops14h 34m

Deal found 6/9C$ 658

Find flight deals from Ontario to San Jose

Round-trip from	C$ 464
One-way from	C$ 282
Popular in	December
Cheapest in	August
Average price	C$ 489

Delta
3/10-3/3
4 total stops
19h 23m total
Ontario to San Jose

Search Deals

Delta
3/10-31/12
2 total stops
9h 01m 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

Sat 3/10

12:25 p.m.-5:46 p.m.

1 stop8h 21m

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

Tue 22/9

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$ 292

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$ 292

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sun 20/9

12:25 p.m.-8:41 p.m.

1 stop11h 16m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 292

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 25/9

12:08 p.m.-11:40 p.m.

2 stops14h 32m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 292

LondonSan Jose

YXU London - SJC San Jose

YXUSJC

London

Fri 9/10

6:10 a.m.-2:55 p.m.

2 stops35h 45m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 297

Quickest round-trip

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 28/10

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$ 297

MontrealSan Jose

YUL Montreal Pierre Elliott Trudeau Intl - SJC San Jose

YULSJC

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

6:00 a.m.-2:13 p.m.

2 stops11h 13m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 322

MontrealSan Jose

YUL Montreal Pierre Elliott Trudeau Intl - SJC San Jose

YULSJC

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

6:00 a.m.-5:38 p.m.

2 stops14h 38m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 322

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sat 10/10

6:50 p.m.-9:39 a.m.

2 stops17h 49m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 323

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

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

YXU-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

YXU-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 October.
The cheapest round-trip price found within the last 5 days was C$ 464 on Delta (3 Oct-3 Mar).

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$ 481, Delta can have you in San Jose, California from Region of Ontario in 11h 16m. 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
United Airlines	CheapestC$ 403	AverageC$ 659	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	CheapestC$ 406	AverageC$ 487	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	CheapestC$ 417	AverageC$ 620	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$ 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 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 11 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 11 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 11 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 11 September 2026.

Last-minute flights from Ontario to San JoseDiscover last-minute flight deals from Ontario to San Jose. Data last updated 11 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to San Jose. Data last updated 11 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 11 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 11 September 2026.

Find flight deals from Ontario to San Jose

Round-trip from

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$ 532 and C$ 720 in October.The cheapest round-trip price found within the last 5 days was C$ 464 on Delta (3 Oct-3 Mar).

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 11 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 11 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 11 September 2026.

Last-minute flights from Ontario to San Jose
Discover last-minute flight deals from Ontario to San Jose. Data last updated 11 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 11 September 2026.

Region of Ontario to San Jose, California flights typically cost between C$ 532 and C$ 720 in October.
The cheapest round-trip price found within the last 5 days was C$ 464 on Delta (3 Oct-3 Mar).