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

For as low as C$ 496, United Airlines can have you in San Jose, California from Region of Ontario in 8h 17m. The distance from Region of Ontario to San Jose, California is about 3602 km.

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$ 259. Users have also found prices from C$ 261 and C$ 262 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 Hamilton - 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$ 279+ 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 12 October 2026.

Thu 29/106:45 a.m. -

1 stop8h 17m

Wed 4/116:30 a.m. -

1 stop7h 17m

Deal found 10/10C$ 485

Thu 5/116:45 a.m. -

1 stop8h 17m

Sun 8/116:30 a.m. -

1 stop14h 29m

Deal found 8/10C$ 490

Thu 29/106:45 a.m. -

1 stop8h 17m

Wed 4/116:30 a.m. -

1 stop11h 45m

Deal found 9/10C$ 496

Mon 2/115:55 p.m. -

1 stop8h 04m

Sat 7/118:45 a.m. -

2 stops9h 30m

Deal found 11/10C$ 503

Fri 6/1110:53 a.m. -

1 stop15h 06m

Mon 9/116:30 a.m. -

1 stop14h 29m

Deal found 8/10C$ 505

Mon 9/113:35 p.m. -

1 stop10h 24m

Fri 13/112:14 p.m. -

1 stop16h 33m

Deal found 10/10C$ 506

Thu 22/1010:45 a.m. -

1 stop9h 47m

Tue 27/108:45 a.m. -

2 stops12h 14m

Deal found 7/10C$ 516

Sat 24/106:46 a.m. -

1 stop10h 05m

Tue 3/116:00 a.m. -

2 stops12h 45m

Deal found 10/10C$ 519

Wed 18/116:10 a.m. -

1 stop10h 50m

Thu 3/127:15 p.m. -

2 stops12h 04m

Deal found 11/10C$ 523

Sun 15/119:45 a.m. -

2 stops15h 27m

Thu 26/112:57 p.m. -

2 stops17h 22m

Deal found 11/10C$ 543

Tue 8/129:45 a.m. -

2 stops14h 08m

Wed 9/124:10 p.m. -

2 stops18h 59m

Deal found 8/10C$ 775

Mon 9/117:00 a.m. -

2 stops16h 12m

Mon 16/119:07 p.m. -

3 stops24h 30m

Deal found 10/10C$ 825

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 12 October 2026.

Thu 29/106:45 a.m. -

1 stop8h 17m

Wed 4/118:45 a.m. -

2 stops12h 14m

Deal found 9/10C$ 496

Wed 28/106:30 a.m. -

1 stop9h 09m

Thu 29/1012:57 p.m. -

1 stop8h 02m

Deal found 11/10C$ 503

Wed 28/107:26 p.m. -

2 stops20h 52m

Thu 29/104:10 p.m. -

2 stops14h 37m

Deal found 11/10C$ 496

Fri 6/1111:38 a.m. -

1 stop12h 47m

Mon 9/1110:40 p.m. -

2 stops11h 50m

Deal found 11/10C$ 503

Thu 5/116:45 a.m. -

1 stop8h 17m

Tue 10/112:14 p.m. -

1 stop6h 45m

Deal found 10/10C$ 496

Fri 6/1112:10 p.m. -

2 stops12h 58m

Sun 8/116:33 p.m. -

2 stops11h 22m

Deal found 11/10C$ 503

Thu 22/107:00 a.m. -

1 stop8h 01m

Tue 27/102:14 p.m. -

1 stop6h 45m

Deal found 7/10C$ 503

Thu 29/101:34 p.m. -

2 stops11h 34m

Wed 4/116:30 a.m. -

2 stops13h 26m

Deal found 11/10C$ 503

Mon 2/115:55 p.m. -

1 stop8h 04m

Wed 4/116:30 a.m. -

1 stop7h 17m

Deal found 11/10C$ 503

Fri 6/113:35 p.m. -

1 stop10h 24m

Sun 8/116:30 a.m. -

1 stop14h 29m

Deal found 11/10C$ 503

Tue 8/129:45 a.m. -

2 stops14h 08m

Wed 9/124:10 p.m. -

2 stops18h 59m

Deal found 8/10C$ 775

Tue 8/129:45 a.m. -

2 stops14h 08m

Thu 10/128:45 a.m. -

2 stops25h 26m

Deal found 9/10C$ 830

Sun 20/126:15 a.m. -

1 stop19h 30m

Tue 5/14:05 p.m. -

2 stops26h 18m

Deal found 10/10C$ 966

Tue 24/116:15 a.m. -

1 stop8h 47m

Tue 1/124:10 p.m. -

2 stops24h 17m

Deal found 10/10C$ 966

Sun 20/122:00 p.m. -

2 stops26h 24m

Sat 2/18:30 a.m. -

2 stops26h 39m

Deal found 10/10C$ 966

Tue 22/124:42 p.m. -

1 stop9h 03m

Wed 6/14:05 p.m. -

2 stops19h 04m

Deal found 10/10C$ 966

Mon 21/126:15 a.m. -

1 stop19h 30m

Tue 5/14:05 p.m. -

2 stops26h 51m

Deal found 10/10C$ 966

Mon 9/119:45 a.m. -

2 stops14h 23m

Mon 16/114:10 p.m. -

2 stops18h 01m

Deal found 10/10C$ 966

Sun 8/116:00 a.m. -

2 stops10h 18m

Sun 15/116:30 a.m. -

1 stop11h 46m

Deal found 9/10C$ 1,040

Sat 24/106:25 a.m. -

1 stop8h 36m

Sun 1/116:30 a.m. -

1 stop11h 46m

Deal found 10/10C$ 1,086

Find flight deals from Ontario to San Jose

Round-trip from	C$ 485
One-way from	C$ 279
Popular in	March
Cheapest in	August
Average price	C$ 731

Lufthansa
29/10-4/11
2 total stops
15h 34m total
Ontario to San Jose

Search Deals

United Airlines
30/10-31/12
1 total stop
8h 17m total
Ontario to San Jose

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (C$ 130 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 October 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

Fri 30/10

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$ 279

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sat 31/10

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$ 279

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sun 1/11

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$ 279

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Thu 29/10

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$ 285

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 11/12

12:15 p.m.-10:11 p.m.

2 stops12h 56m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 294

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 30/10

11:38 a.m.-9:55 p.m.

2 stops13h 17m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 294

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 23/10

11:00 a.m.-10:42 p.m.

1 stop14h 42m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 294

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Fri 16/10

11:00 a.m.-10:42 p.m.

1 stop14h 42m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 294

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Sat 7/11

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$ 294

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 18/11

10:53 a.m.-10:59 p.m.

1 stop15h 06m

San Jose

Wed 31/12

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

Nonstop0h 00m

C$ 294

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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$ 456). Flying from Region of Ontario to San Jose, California in February is currently the most expensive (average of C$ 698). 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$ 576 and C$ 674 in October.
The cheapest round-trip price found within the last 5 days was C$ 485 on Lufthansa (29 Oct-4 Nov).

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$ 496, United Airlines can have you in San Jose, California from Region of Ontario in 8h 17m. The distance from Region of Ontario to San Jose, California is about 3602 km.
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$ 259. Users have also found prices from C$ 261 and C$ 262 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 Hamilton - 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$ 456). Flying from Region of Ontario to San Jose, California in February is currently the most expensive (average of C$ 698). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to California

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for Ontario to San Jose

Pearson Intl to Las Vegas flights

Vancouver Intl to Las Vegas flights

Vancouver Intl to Los Angeles flights

Pearson Intl to Los Angeles flights

Pierre Elliott Trudeau Intl to Los Angeles flights

Calgary to Las Vegas flights

Pearson Intl to San Francisco flights

Vancouver Intl to Palm Springs flights

Vancouver Intl to Ontario flights

Abbotsford to Los Angeles flights

Pearson Intl to San Diego flights

Vancouver Intl to San Diego flights

Abbotsford to Las Vegas flights

Vancouver Intl to San Francisco flights

Pierre Elliott Trudeau Intl to Las Vegas flights

Pearson Intl to Ontario flights

Calgary to Los Angeles flights

Toronto Island to Los Angeles flights

Pearson Intl to Long Beach flights

Vancouver Intl to Burbank flights

Toronto Island to Las Vegas flights

Vancouver Intl to Long Beach flights

Toronto Island to San Francisco flights

Pierre Elliott Trudeau Intl to Ontario flights

Calgary to San Francisco flights

Pierre Elliott Trudeau Intl to San Francisco flights

Abbotsford to San Francisco flights

Edmonton to Los Angeles flights

Vancouver Intl to Sacramento flights

Calgary to Palm Springs flights

Hamilton to Las Vegas flights

Edmonton to Las Vegas flights

Pearson Intl to San Jose flights

Abbotsford to Palm Springs flights

Winnipeg to Las Vegas flights

Pearson Intl to Burbank flights

Vancouver Intl to Santa Ana flights

Pierre Elliott Trudeau Intl to San Diego flights

Toronto Island to San Diego flights

Pearson Intl to Palm Springs flights

Hamilton to San Francisco flights

Calgary to Ontario flights

Hamilton to Los Angeles flights

Ottawa to Los Angeles flights

Abbotsford to Ontario flights

Vancouver Intl to Oakland flights

Abbotsford to San Diego flights

Calgary to San Diego flights

Edmonton to San Francisco flights

Edmonton to Long Beach flights

Top 6 airlines flying from Ontario to San Jose

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	CheapestC$ 300	AverageC$ 410	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Air Canada	CheapestC$ 338	AverageC$ 640	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 416	AverageC$ 680	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	CheapestC$ 419	AverageC$ 496	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
American Airlines	CheapestC$ 434	AverageC$ 605	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
WestJet	CheapestC$ 477	AverageC$ 610	FlexibilityNo cancel fee	On-time60%	Search WestJet flights

Fly with Cheapflights

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.

Can Cheapflights notify me if prices for flights from Ontario to San Jose become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ontario to San Jose, CA from C$ 279

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 30/10. 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 12 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 12 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 12 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 12 October 2026.

Last-minute flights from Ontario to San JoseDiscover last-minute flight deals from Ontario to San Jose. Data last updated 12 October 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to San Jose. Data last updated 12 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 12 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 12 October 2026.

Find flight deals from Ontario to San Jose

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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$ 576 and C$ 674 in October.The cheapest round-trip price found within the last 5 days was C$ 485 on Lufthansa (29 Oct-4 Nov).

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to San Jose

See prices for flight routes from nearby airports that may be better suited for you.

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 12 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Ontario to San Jose flights

Consider these flights travelling from Ontario to San Jose.

Top 6 airlines flying from Ontario to San Jose

Fly with Cheapflights

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?

100% Free

Book with Flexibility

Travel Smart

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 12 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 12 October 2026.

Last-minute flights from Ontario to San Jose
Discover last-minute flight deals from Ontario to San Jose. Data last updated 12 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 12 October 2026.

Region of Ontario to San Jose, California flights typically cost between C$ 576 and C$ 674 in October.
The cheapest round-trip price found within the last 5 days was C$ 485 on Lufthansa (29 Oct-4 Nov).