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

For as low as C$ 485, 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$ 256. Users have also found prices from C$ 258 and C$ 259 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, 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$ 283+ 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 September 2026.

Thu 15/101:34 p.m. -

1 stop10h 51m

Wed 21/106:30 a.m. -

1 stop12h 29m

Deal found 22/9C$ 485

Sat 10/1011:38 a.m. -

1 stop12h 47m

Mon 19/1010:45 p.m. -

1 stop10h 34m

Deal found 21/9C$ 486

Sat 17/107:00 a.m. -

1 stop8h 01m

Mon 19/106:35 p.m. -

2 stops16h 12m

Deal found 22/9C$ 499

Wed 21/107:00 a.m. -

1 stop8h 01m

Wed 28/106:30 a.m. -

1 stop7h 17m

Deal found 22/9C$ 511

Sat 24/106:10 a.m. -

1 stop8h 37m

Tue 27/106:30 a.m. -

1 stop7h 48m

Deal found 21/9C$ 513

Sat 24/107:00 a.m. -

1 stop8h 01m

Tue 27/102:14 p.m. -

1 stop6h 45m

Deal found 20/9C$ 514

Tue 13/1011:38 a.m. -

1 stop12h 47m

Fri 16/106:34 p.m. -

2 stops13h 45m

Deal found 23/9C$ 524

Wed 21/106:30 a.m. -

2 stops10h 43m

Thu 12/114:19 p.m. -

2 stops13h 36m

Deal found 19/9C$ 526

Fri 23/108:50 a.m. -

1 stop16h 52m

Tue 27/108:45 a.m. -

2 stops12h 14m

Deal found 23/9C$ 531

Wed 14/1012:10 p.m. -

2 stops12h 58m

Sat 17/106:11 p.m. -

2 stops15h 08m

Deal found 23/9C$ 534

Thu 8/107:45 a.m. -

2 stops15h 07m

Sat 17/106:11 p.m. -

2 stops15h 08m

Deal found 19/9C$ 535

Sat 31/106:45 a.m. -

1 stop8h 17m

Sat 7/116:30 a.m. -

1 stop7h 17m

Deal found 20/9C$ 537

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 September 2026.

Fri 16/105:49 p.m. -

1 stop9h 01m

Mon 19/1010:45 p.m. -

1 stop10h 34m

Deal found 22/9C$ 485

Wed 4/116:45 a.m. -

1 stop8h 17m

Wed 11/116:30 a.m. -

1 stop9h 15m

Deal found 20/9C$ 531

Sat 10/1011:38 a.m. -

1 stop12h 47m

Sun 18/106:30 a.m. -

1 stop12h 29m

Deal found 21/9C$ 486

Sat 31/106:45 a.m. -

1 stop8h 17m

Wed 11/116:30 a.m. -

1 stop7h 17m

Deal found 19/9C$ 535

Tue 20/106:15 a.m. -

1 stop8h 29m

Wed 11/116:30 a.m. -

1 stop12h 27m

Deal found 19/9C$ 514

Sat 31/106:45 a.m. -

1 stop8h 17m

Sat 7/118:45 a.m. -

2 stops12h 07m

Deal found 20/9C$ 537

Sat 10/1011:38 a.m. -

1 stop12h 47m

Sun 11/1010:45 p.m. -

1 stop8h 38m

Deal found 20/9C$ 526

Wed 25/113:35 p.m. -

1 stop10h 24m

Fri 4/122:11 p.m. -

1 stop16h 36m

Deal found 23/9C$ 552

Fri 23/1011:38 a.m. -

1 stop10h 22m

Mon 16/118:40 p.m. -

2 stops11h 29m

Deal found 19/9C$ 526

Sat 17/1012:10 p.m. -

2 stops10h 42m

Mon 19/1010:45 p.m. -

2 stops11h 55m

Deal found 22/9C$ 534

Sat 24/106:10 a.m. -

1 stop8h 37m

Wed 11/117:00 a.m. -

2 stops12h 57m

Deal found 19/9C$ 542

Tue 8/126:00 a.m. -

2 stops17h 53m

Thu 10/124:10 p.m. -

2 stops18h 01m

Deal found 22/9C$ 828

Wed 14/103:10 p.m. -

2 stops21h 29m

Fri 16/106:35 p.m. -

2 stops12h 21m

Deal found 22/9C$ 828

Wed 4/116:15 a.m. -

2 stops17h 53m

Wed 11/111:00 p.m. -

2 stops21h 11m

Deal found 21/9C$ 833

Thu 24/126:15 a.m. -

1 stop19h 30m

Sun 3/18:30 a.m. -

2 stops26h 39m

Deal found 23/9C$ 851

Sun 20/126:15 a.m. -

1 stop19h 30m

Fri 8/11:04 p.m. -

2 stops22h 05m

Deal found 23/9C$ 851

Fri 26/24:36 p.m. -

1 stop9h 00m

Sun 4/49:00 a.m. -

2 stops26h 07m

Deal found 22/9C$ 899

Find flight deals from Ontario to San Jose

Round-trip from	C$ 485
One-way from	C$ 283
Popular in	March
Cheapest in	August
Average price	C$ 499

Delta
15/10-21/10
3 total stops
24h 02m total
Ontario to San Jose

Search Deals

Delta
6/10-31/12
1 total stop
10h 51m total
Ontario to San Jose

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (C$ 134 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 31 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

Quickest round-trip

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Tue 20/10

5:49 p.m.-9:55 p.m.

1 stop7h 06m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 283

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sat 10/10

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

2 stops12h 58m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 283

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 14/10

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$ 285

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 4/11

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$ 304

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Tue 27/10

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$ 304

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 11/11

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$ 304

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 11/11

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

2 stops12h 57m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 313

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Tue 3/11

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$ 313

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sat 9/1

6:30 a.m.-4:16 p.m.

2 stops12h 46m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 313

OttawaSan Jose

YOW Ottawa - SJC San Jose

YOWSJC

Ottawa

Wed 21/10

6:50 a.m.-1:20 p.m.

3 stops33h 30m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 338

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/9

Showing 1-10 of 34 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$ 451). Flying from Region of Ontario to San Jose, California in February is currently the most expensive (average of C$ 696). 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$ 552 and C$ 701 in October.
The cheapest round-trip price found within the last 5 days was C$ 485 on Delta (15 Oct-21 Oct).

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$ 485, 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$ 256. Users have also found prices from C$ 258 and C$ 259 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, 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$ 451). Flying from Region of Ontario to San Jose, California in February is currently the most expensive (average of C$ 696). 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$ 296	AverageC$ 405	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
United Airlines	CheapestC$ 411	AverageC$ 672	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	CheapestC$ 414	AverageC$ 490	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	CheapestC$ 426	AverageC$ 633	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	CheapestC$ 429	AverageC$ 598	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
WestJet	CheapestC$ 472	AverageC$ 601	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$ 283

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 20/10. 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 23 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 23 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 23 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 23 September 2026.

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

Discover last-minute flight deals from Ontario to San Jose. Data last updated 23 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 23 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 23 September 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$ 552 and C$ 701 in October.The cheapest round-trip price found within the last 5 days was C$ 485 on Delta (15 Oct-21 Oct).

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

Complete your trip to San Jose by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to California

Book a non-stop flight to one of these other cities located in California.

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 September 2026.

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Other flights to San Jose

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Ontario to San Jose flights

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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?

Why should you use Cheapflights to find cheap flight tickets from Ontario to San Jose?

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 23 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 23 September 2026.

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

Region of Ontario to San Jose, California flights typically cost between C$ 552 and C$ 701 in October.
The cheapest round-trip price found within the last 5 days was C$ 485 on Delta (15 Oct-21 Oct).