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

For as low as C$ 446, Delta can have you in San Jose, California from Region of Ontario in 7h 39m. 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$ 250. Users have also found prices from C$ 252 and C$ 253 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$ 262+ 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 23 August 2026.

Thu 10/95:15 p.m. -

1 stop8h 35m

Sun 20/96:30 a.m. -

1 stop8h 26m

Deal found 19/8C$ 443

Tue 6/106:00 a.m. -

2 stops11h 13m

Fri 16/106:34 p.m. -

2 stops11h 15m

Deal found 19/8C$ 446

Mon 5/1012:08 p.m. -

2 stops12h 58m

Sat 10/105:42 p.m. -

2 stops15h 17m

Deal found 20/8C$ 447

Sat 10/1011:38 a.m. -

1 stop12h 47m

Wed 14/102:59 p.m. -

2 stops14h 50m

Deal found 19/8C$ 464

Sat 10/1011:38 a.m. -

1 stop12h 47m

Tue 13/106:30 a.m. -

1 stop12h 29m

Deal found 20/8C$ 465

Sat 31/106:45 a.m. -

1 stop8h 17m

Sat 14/116:30 a.m. -

1 stop14h 29m

Deal found 18/8C$ 467

Wed 9/911:38 a.m. -

1 stop12h 44m

Tue 13/106:30 a.m. -

1 stop12h 29m

Deal found 22/8C$ 468

Mon 5/1011:38 a.m. -

1 stop12h 44m

Sun 11/106:30 a.m. -

1 stop12h 29m

Deal found 21/8C$ 469

Tue 6/1012:10 p.m. -

2 stops12h 58m

Wed 14/106:34 p.m. -

2 stops11h 15m

Deal found 22/8C$ 471

Tue 3/1110:53 a.m. -

1 stop15h 06m

Sat 14/112:14 p.m. -

1 stop6h 45m

Deal found 18/8C$ 481

Tue 3/116:30 a.m. -

2 stops12h 50m

Sat 14/116:05 a.m. -

2 stops8h 15m

Deal found 18/8C$ 482

Thu 17/97:35 p.m. -

2 stops28h 22m

Mon 21/96:37 p.m. -

2 stops19h 05m

Deal found 18/8C$ 518

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 23 August 2026.

Thu 24/912:25 p.m. -

1 stop11h 16m

Mon 28/910:50 p.m. -

1 stop8h 33m

Deal found 18/8C$ 446

Thu 10/94:18 p.m. -

1 stop7h 39m

Sun 20/96:37 p.m. -

2 stops11h 42m

Deal found 18/8C$ 446

Wed 9/912:15 p.m. -

2 stops11h 42m

Wed 14/106:35 p.m. -

2 stops23h 55m

Deal found 23/8C$ 613

Wed 7/1011:38 a.m. -

1 stop12h 47m

Tue 13/104:31 p.m. -

2 stops13h 18m

Deal found 20/8C$ 447

Wed 7/109:00 p.m. -

2 stops15h 39m

Tue 13/108:45 a.m. -

2 stops22h 19m

Deal found 21/8C$ 469

Fri 18/912:25 p.m. -

1 stop11h 16m

Mon 28/96:10 a.m. -

1 stop9h 24m

Deal found 22/8C$ 471

Fri 6/117:05 a.m. -

2 stops11h 46m

Mon 9/116:17 a.m. -

2 stops14h 35m

Deal found 22/8C$ 1,088

Tue 15/1212:25 p.m. -

1 stop12h 43m

Wed 30/127:00 a.m. -

2 stops14h 01m

Deal found 20/8C$ 483

Sat 19/912:15 p.m. -

1 stop13h 40m

Sat 26/96:30 a.m. -

1 stop7h 12m

Deal found 20/8C$ 542

Sun 1/116:15 a.m. -

2 stops14h 23m

Sat 14/115:59 a.m. -

2 stops8h 21m

Deal found 18/8C$ 503

Thu 17/98:40 p.m. -

2 stops22h 04m

Mon 21/92:56 p.m. -

2 stops25h 54m

Deal found 19/8C$ 1,417

Fri 30/106:00 a.m. -

2 stops9h 39m

Tue 17/111:00 p.m. -

1 stop7h 59m

Deal found 18/8C$ 503

Tue 10/114:45 p.m. -

1 stop9h 14m

Wed 11/114:10 p.m. -

2 stops20h 06m

Deal found 21/8C$ 628

Thu 5/1111:38 a.m. -

1 stop12h 47m

Tue 17/111:00 p.m. -

1 stop7h 59m

Deal found 18/8C$ 503

Sat 5/99:45 a.m. -

1 stop16h 05m

Mon 21/96:37 p.m. -

2 stops18h 33m

Deal found 19/8C$ 628

Wed 16/1212:15 p.m. -

2 stops12h 53m

Tue 5/17:00 a.m. -

2 stops10h 28m

Deal found 21/8C$ 505

Fri 6/117:20 p.m. -

2 stops20h 58m

Mon 9/116:30 a.m. -

1 stop7h 11m

Deal found 21/8C$ 640

Tue 8/125:30 a.m. -

2 stops18h 41m

Wed 9/129:00 a.m. -

2 stops9h 47m

Deal found 18/8C$ 1,026

Thu 17/97:35 p.m. -

2 stops28h 22m

Mon 21/96:30 a.m. -

1 stop7h 12m

Deal found 18/8C$ 647

Thu 5/117:05 a.m. -

2 stops14h 42m

Sun 8/118:03 a.m. -

2 stops12h 49m

Deal found 19/8C$ 1,136

Thu 5/1112:10 p.m. -

2 stops11h 58m

Mon 9/116:30 a.m. -

1 stop7h 11m

Deal found 20/8C$ 687

Tue 22/97:00 a.m. -

2 stops15h 51m

Tue 29/912:51 p.m. -

1 stop7h 59m

Deal found 21/8C$ 626

Sat 5/912:47 p.m. -

2 stops12h 26m

Sat 12/97:00 a.m. -

2 stops13h 44m

Deal found 22/8C$ 626

Thu 10/98:40 p.m. -

2 stops44h 21m

Mon 14/97:00 a.m. -

2 stops33h 50m

Deal found 18/8C$ 1,417

Sat 3/105:20 p.m. -

1 stop8h 22m

Tue 6/108:45 a.m. -

2 stops22h 11m

Deal found 18/8C$ 746

Mon 2/117:00 a.m. -

2 stops15h 52m

Wed 4/1112:57 p.m. -

1 stop7h 57m

Deal found 20/8C$ 629

Tue 15/96:00 a.m. -

3 stops19h 50m

Tue 22/98:45 a.m. -

2 stops21h 26m

Deal found 19/8C$ 746

Thu 22/106:10 p.m. -

2 stops24h 41m

Mon 26/102:59 p.m. -

2 stops21h 26m

Deal found 19/8C$ 1,459

Sat 5/92:46 p.m. -

1 stop9h 55m

Mon 21/912:51 p.m. -

1 stop7h 59m

Deal found 21/8C$ 653

Wed 7/106:25 a.m. -

2 stops17h 23m

Tue 13/106:30 a.m. -

1 stop12h 05m

Deal found 19/8C$ 748

Find flight deals from Ontario to San Jose

Round-trip from	C$ 443
One-way from	C$ 262
Popular in	January
Cheapest in	August
Average price	C$ 474

United Airlines
10/9-20/9
2 total stops
17h 01m total
Ontario to San Jose

Search Deals

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

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (C$ 160 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 21 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

Thu 24/9

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

1 stop11h 16m

San Jose

Mon 28/9

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

1 stop8h 33m

C$ 446

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Thu 10/9

4:18 p.m.-8:57 p.m.

1 stop7h 39m

San Jose

Sun 20/9

6:37 p.m.-9:19 a.m.

2 stops11h 42m

C$ 446

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 7/10

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

1 stop12h 47m

San Jose

Tue 13/10

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

2 stops13h 18m

C$ 447

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 7/10

9:00 p.m.-9:39 a.m.

2 stops15h 39m

San Jose

Tue 13/10

8:45 a.m.-10:04 a.m.

2 stops22h 19m

C$ 469

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 18/9

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

1 stop11h 16m

San Jose

Mon 28/9

6:10 a.m.-6:34 p.m.

1 stop9h 24m

C$ 471

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Tue 15/12

12:25 p.m.-10:08 p.m.

1 stop12h 43m

San Jose

Wed 30/12

7:00 a.m.-12:01 a.m.

2 stops14h 01m

C$ 483

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sun 1/11

6:15 a.m.-5:38 p.m.

2 stops14h 23m

San Jose

Sat 14/11

5:59 a.m.-5:20 p.m.

2 stops8h 21m

C$ 503

Quickest round-trip

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 30/10

6:00 a.m.-12:39 p.m.

2 stops9h 39m

San Jose

Tue 17/11

1:00 p.m.-11:59 p.m.

1 stop7h 59m

C$ 503

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Thu 5/11

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

1 stop12h 47m

San Jose

Tue 17/11

1:00 p.m.-11:59 p.m.

1 stop7h 59m

C$ 503

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 16/12

12:15 p.m.-10:08 p.m.

2 stops12h 53m

San Jose

Tue 5/1

7:00 a.m.-8:28 p.m.

2 stops10h 28m

C$ 505

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/8

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

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$ 446). Flying from Region of Ontario to San Jose, California in February is currently the most expensive (average of C$ 677). 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$ 514 and C$ 746 in September.
The cheapest round-trip price found within the last 5 days was C$ 443 on United Airlines (10 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 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$ 446, Delta can have you in San Jose, California from Region of Ontario in 7h 39m. 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$ 250. Users have also found prices from C$ 252 and C$ 253 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$ 446). Flying from Region of Ontario to San Jose, California in February is currently the most expensive (average of C$ 677). 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$ 290	AverageC$ 396	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Delta	CheapestC$ 382	AverageC$ 474	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	CheapestC$ 403	AverageC$ 659	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 416	AverageC$ 623	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	CheapestC$ 419	AverageC$ 642	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
WestJet	CheapestC$ 461	AverageC$ 588	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$ 262

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 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 23 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 23 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 23 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 23 August 2026.

Last-minute flights from Ontario to San JoseDiscover last-minute flight deals from Ontario to San Jose. Data last updated 23 August 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to San Jose. Data last updated 23 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 23 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 23 August 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$ 514 and C$ 746 in September.The cheapest round-trip price found within the last 5 days was C$ 443 on United Airlines (10 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 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 23 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 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 23 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 23 August 2026.

Last-minute flights from Ontario to San Jose
Discover last-minute flight deals from Ontario to San Jose. Data last updated 23 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 23 August 2026.

Region of Ontario to San Jose, California flights typically cost between C$ 514 and C$ 746 in September.
The cheapest round-trip price found within the last 5 days was C$ 443 on United Airlines (10 Sep-20 Sep).