What are the cheapest airlines to fly from Region of Ontario to San Jose one-way?

The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $170. However, be on the lookout for offers from Delta and Air Canada, as they are both options that can get you from Region of Ontario to San Jose for a low price.

What are the most popular routes from Region of Ontario to San Jose?

The most popular route from Region of Ontario to San Jose is Toronto Pearson Intl - San Jose. You may also consider Toronto Region of Waterloo Intl - San Jose or Toronto Island - San Jose.

What are the most popular airlines that fly from Region of Ontario to San Jose?

The most popular airlines flying from Region of Ontario to San Jose are American Airlines, Air Canada and Delta. Something to consider prior to booking your flight.

How far in advance should I book a flight from Region of Ontario to San Jose?

Users have found that booking a flight from Region of Ontario to San Jose at least 60 days early can save you up to 60% on average compared to booking a flight this week. If booking 60 days before your flight isn’t an option for you, users have found flights from Region of Ontario to San Jose for as little as $288 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $456 for flights departing within the next 3 days.

What is the cheapest month to fly from Region of Ontario to San Jose?

March can be a great time to fly to San Jose from Region of Ontario with a flight ticket averaging about $374. Cheapflights users have found deals in the month of March for as cheap as $242. The most expensive prices can be found in the month of May.

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 2.9 mi from the center 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.

$142+ Flights from Ontario to San Jose

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Cheap flight deals from Ontario to San Jose

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$244 (Kiwi.com)
One-way from	$142 (Kiwi.com)
Popular in	May
Cheapest in	March
Average price	$377

Provider with most accurate pricing for Toronto (YTO)-San Jose flight deals.

Search Deals

Provider most trusted by Cheapflights users for Toronto (YTO)-San Jose flights.

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From Ontario to San Jose

Search Deals

One-way flight from Ontario to San Jose

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($43 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find flight deals from Ontario to San Jose

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 April 25, 2025.

Wed 5/211:30 pmYYZ - SJC

2 stops27h 13mMultiple Airlines

Tue 5/2711:00 amSJC - YYZ

1 stop10h 12mMultiple Airlines

Deal found 4/24

$244

Tue 5/206:10 amYYZ - SJC

1 stop8h 53mUnited Airlines

Sat 5/317:00 amSJC - YYZ

1 stop12h 48mUnited Airlines

Deal found 4/24

$284

Mon 5/55:50 pmYYZ - SJC

1 stop9h 04mDelta

Wed 5/76:30 amSJC - YYZ

1 stop9h 01mDelta

Deal found 4/25

$287

Thu 5/86:15 amYUL - SJC

2 stops16h 10mDelta

Wed 5/141:27 pmSJC - YUL

1 stop6h 52mDelta

Deal found 4/23

$305

Sun 5/115:20 pmYYZ - SJC

1 stop23h 05mAmerican Airlines

Mon 5/192:15 pmSJC - YYZ

2 stops24h 20mAmerican Airlines

Deal found 4/25

$308

Thu 5/86:45 amYUL - SJC

3 stops19h 44mMultiple Airlines

Wed 5/146:00 amSJC - YUL

3 stops15h 37mMultiple Airlines

Deal found 4/23

$336

Sat 6/148:05 amYUL - SJC

1 stop15h 45mAir Canada

Sat 6/216:26 pmSJC - YUL

2 stops20h 55mAir Canada

Deal found 4/24

$339

Thu 5/14:45 pmYYZ - SJC

1 stop9h 14mAlaska Airlines

Wed 5/72:02 pmSJC - YYZ

2 stops21h 58mAlaska Airlines

Deal found 4/25

$351

Thu 6/1912:00 pmYYZ - SJC

2 stops13h 44mWestJet

Mon 6/237:18 amSJC - YYZ

2 stops14h 06mWestJet

Deal found 4/24

$363

Tue 4/294:18 pmYYZ - SJC

1 stop8h 07mAir Canada

Fri 5/96:45 pmSJC - YYZ

1 stop15h 11mAir Canada

Deal found 4/25

$368

Fri 5/233:35 pmYOW - SJC

3 stops34h 54mMultiple Airlines

Fri 5/306:00 amSJC - YOW

3 stops15h 21mMultiple Airlines

Deal found 4/25

$415

Tue 6/36:00 amYKF - SJC

3 stops20h 29mMultiple Airlines

Tue 6/1011:00 amSJC - YKF

3 stops34h 46mMultiple Airlines

Deal found 4/24

$421

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 April 25, 2025.

Wed 5/211:30 pmYYZ - SJC

2 stops27h 13mMultiple Airlines

Tue 5/2711:00 amSJC - YYZ

1 stop10h 12mMultiple Airlines

Deal found 4/24

$244

Tue 5/206:10 amYYZ - SJC

1 stop8h 53mUnited Airlines

Sat 5/317:00 amSJC - YYZ

1 stop12h 48mUnited Airlines

Deal found 4/24

$284

Mon 5/55:50 pmYYZ - SJC

1 stop9h 04mDelta

Fri 5/911:00 pmSJC - YYZ

1 stop8h 20mDelta

Deal found 4/25

$287

Sun 5/115:20 pmYYZ - SJC

1 stop23h 05mAmerican Airlines

Mon 5/192:15 pmSJC - YYZ

2 stops24h 20mAmerican Airlines

Deal found 4/25

$308

Sat 6/148:05 amYUL - SJC

1 stop15h 45mAir Canada

Sat 6/216:26 pmSJC - YUL

2 stops20h 55mAir Canada

Deal found 4/24

$339

Thu 6/1912:00 pmYYZ - SJC

2 stops13h 44mWestJet

Mon 6/237:18 amSJC - YYZ

2 stops14h 06mWestJet

Deal found 4/24

$363

Wed 5/214:45 pmYYZ - SJC

1 stop8h 53mAlaska Airlines

Sun 6/16:45 amSJC - YYZ

1 stop29h 15mAlaska Airlines

Deal found 4/25

$366

Fri 6/69:45 amYUL - SJC

1 stop15h 54mLufthansa

Sun 6/156:35 amSJC - YUL

1 stop11h 54mLufthansa

Deal found 4/25

$551

Thu 5/86:15 amYUL - SJC

2 stops16h 10mDelta

Wed 5/141:27 pmSJC - YUL

1 stop6h 52mDelta

Deal found 4/23

$305

Thu 5/86:45 amYUL - SJC

3 stops19h 44mMultiple Airlines

Wed 5/146:00 amSJC - YUL

3 stops15h 37mMultiple Airlines

Deal found 4/23

$336

Wed 8/1312:30 amYYZ - SJC

2 stops15h 52mAir Canada

Mon 8/256:20 pmSJC - YYZ

1 stop15h 38mAir Canada

Deal found 4/24

$420

Fri 5/233:35 pmYOW - SJC

3 stops34h 54mMultiple Airlines

Fri 5/306:00 amSJC - YOW

3 stops15h 21mMultiple Airlines

Deal found 4/25

$415

Last-minute flights from Ontario to San Jose
Discover last-minute flight deals from Ontario to San Jose. Data last updated April 25, 2025 and is based on user searches.

Tue 4/2911:00 amYYZ - SJC

2 stops13h 25mAir Canada

Fri 5/96:45 pmSJC - YYZ

1 stop15h 11mAir Canada

Deal found 4/25

$368

Wed 4/307:25 pmYYZ - SJC

1 stop26h 16mMultiple Airlines

Sun 5/116:00 amSJC - YYZ

1 stop8h 20mMultiple Airlines

Deal found 4/25

$361

Wed 4/304:18 pmYYZ - SJC

1 stop8h 07mAir Canada

Fri 5/96:45 pmSJC - YYZ

1 stop15h 11mAir Canada

Deal found 4/25

$368

Thu 5/14:45 pmYYZ - SJC

1 stop9h 14mAlaska Airlines

Wed 5/72:02 pmSJC - YYZ

2 stops21h 58mAlaska Airlines

Deal found 4/25

$351

Fri 5/26:45 amYYZ - SJC

1 stop9h 44mAmerican Airlines

Sun 5/47:20 pmSJC - YYZ

2 stops12h 31mAmerican Airlines

Deal found 4/24

$330

Sat 5/38:45 amYYZ - SJC

1 stop7h 51mUnited Airlines

Tue 5/63:30 pmSJC - YYZ

2 stops17h 29mUnited Airlines

Deal found 4/24

$320

Sat 5/36:30 amYYZ - SJC

2 stops14h 15mWestJet

Thu 5/82:20 pmSJC - YYZ

2 stops13h 34mWestJet

Deal found 4/25

$412

Sat 5/36:00 amYHM - SJC

3 stops28h 29mMultiple Airlines

Thu 5/811:00 amSJC - YHM

3 stops34h 41mMultiple Airlines

Deal found 4/25

$549

Sat 5/37:00 amYTZ - SJC

3 stops27h 29mMultiple Airlines

Thu 5/84:33 pmSJC - YTZ

3 stops20h 54mMultiple Airlines

Deal found 4/25

$580

Sat 5/36:15 amYKF - SJC

2 stops19h 02mMultiple Airlines

Thu 5/84:33 pmSJC - YKF

3 stops29h 13mMultiple Airlines

Deal found 4/25

$621

Sun 5/412:42 pmYUL - SJC

2 stops14h 12mDelta

Thu 5/86:25 amSJC - YUL

2 stops13h 51mDelta

Deal found 4/24

$349

Sun 5/46:15 amYUL - SJC

1 stop19h 39mUnited Airlines

Thu 5/81:11 pmSJC - YUL

2 stops15h 37mUnited Airlines

Deal found 4/24

$474

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 April 25, 2025.

Wed 6/1112:00 pmYYZ - SJC

2 stops33h 00mMultiple Airlines

Deal found 4/25

$142

Fri 5/97:00 amYTZ - SJC

2 stops19h 29mMultiple Airlines

Deal found 4/23

$148

Tue 6/176:45 amYUL - SJC

3 stops30h 19mMultiple Airlines

Deal found 4/24

$166

Tue 5/65:20 pmYYZ - SJC

1 stop20h 55mAmerican Airlines

Deal found 4/25

$170

Mon 6/96:00 amYKF - SJC

3 stops36h 33mMultiple Airlines

Deal found 4/25

$171

Tue 5/2712:30 pmYYZ - SJC

1 stop11h 01mDelta

Deal found 4/23

$172

Tue 5/1312:25 pmYTZ - SJC

2 stops12h 00mAir Canada

Deal found 4/25

$179

Sun 6/153:45 pmYOW - SJC

2 stops24h 38mMultiple Airlines

Deal found 4/25

$181

Sat 6/76:00 amYUL - SJC

2 stops9h 57mDelta

Deal found 4/24

$182

Tue 6/176:15 amYUL - SJC

2 stops17h 35mUnited Airlines

Deal found 4/24

$188

Wed 6/43:44 pmYUL - SJC

2 stops10h 02mAmerican Airlines

Deal found 4/25

$206

Sun 6/157:45 pmYYZ - SJC

1 stop24h 15mWestJet

Deal found 4/24

$212

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to San Jose that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 5/21

1:30 pm-1:43 pm

2 stops27h 13m

San Jose

Tue 5/27

11:00 am-12:12 am

1 stop10h 12m

$244

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 5/20

6:10 am-12:03 pm

1 stop8h 53m

San Jose

Sat 5/31

7:00 am-10:48 pm

1 stop12h 48m

$284

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Mon 5/5

5:50 pm-11:54 pm

1 stop9h 04m

San Jose

Sun 5/11

5:55 am-4:40 pm

1 stop7h 45m

$287

MontrealSan Jose

YUL - SJC

YULSJC

Montreal Pierre Elliott Trudeau Intl

Thu 5/8

6:00 am-3:20 pm

2 stops12h 20m

San Jose

Wed 5/14

7:00 am-11:19 pm

2 stops13h 19m

$305

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sun 5/11

5:20 pm-1:25 pm

1 stop23h 05m

San Jose

Mon 5/19

2:15 pm-5:35 pm

2 stops24h 20m

$308

MontrealSan Jose

YUL - SJC

YULSJC

Montreal Pierre Elliott Trudeau Intl

Thu 5/8

6:45 am-11:29 pm

3 stops19h 44m

San Jose

Wed 5/14

6:00 am-12:37 am

3 stops15h 37m

$336

MontrealSan Jose

YUL - SJC

YULSJC

Montreal Pierre Elliott Trudeau Intl

Sat 6/14

8:05 am-8:50 pm

1 stop15h 45m

San Jose

Sat 6/21

6:26 pm-6:21 pm

2 stops20h 55m

$339

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 6/19

12:00 pm-10:44 pm

2 stops13h 44m

San Jose

Mon 6/23

7:18 am-12:24 am

2 stops14h 06m

$363

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 5/21

4:45 pm-10:38 pm

1 stop8h 53m

San Jose

Sun 6/1

6:45 am-3:00 pm

1 stop29h 15m

$366

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Fri 5/23

3:35 pm-11:29 pm

3 stops34h 54m

San Jose

Fri 5/30

6:00 am-12:21 am

3 stops15h 21m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 42 results

...

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.

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

What is the cheapest month to book a flight from Region of Ontario to San Jose?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to San Jose (average of $255). Flying from Region of Ontario to San Jose in June is currently the most expensive (average of $362). 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.

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 as you normally would.

Rainfall in San Jose by month

In terms of precipitation, rainfall in San Jose ranges from 0.0 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. July is typically the driest time to visit San Jose when rainfall is around 0.0 in.

Temperature in San Jose by month

If weather is an important factor for your trip to San Jose, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing San Jose

To help decide which airline to fly from Ontario to San Jose, see what other customers have to say about Alaska Airlines, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,927 reviews

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,685 reviews

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

WestJet

7.2

Good

2,818 reviews

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 2.9 mi from the center of the city.
What are the cheapest airlines to fly from Region of Ontario to San Jose one-way?
The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $170. However, be on the lookout for offers from Delta and Air Canada, as they are both options that can get you from Region of Ontario to San Jose for a low price.
What are the most popular routes from Region of Ontario to San Jose?
The most popular route from Region of Ontario to San Jose is Toronto Pearson Intl - San Jose. You may also consider Toronto Region of Waterloo Intl - San Jose or Toronto Island - San Jose.
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?
Currently, September is the cheapest month in which you can book a flight from Region of Ontario to San Jose (average of $255). Flying from Region of Ontario to San Jose in June is currently the most expensive (average of $362). 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

Top 4 airlines flying from Ontario to San Jose

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$232	Average$423	FlexibilityNo cancel fee	On-time67%
Delta	Cheapest$287	Average$395	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$288	Average$414	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$384	Average$395	FlexibilityNo cancel fee	On-time71%

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$142+ Cheap flights from Ontario to San Jose (SJC)

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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to San Jose with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to San Jose

Keep the following information in mind while searching for Ontario to San Jose flight deals. Data was last updated April 25, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 April 25, 2025.

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 April 25, 2025.

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

Everything you need to know about your flight from Ontario to San Jose

What is the cheapest month to book a flight from Region of Ontario to San Jose?

What is the cheapest time of day to fly from ON to SJC?

Find hourly flight availability from Ontario to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.

Rainfall in San Jose by month

Plan your trip to San Jose by taking into account the average rainfall totals by month.

Temperature in San Jose by month

Plan your trip to San Jose by taking into account the average temperature totals by month.

Reviews of airlines servicing San Jose

Related info for your journey

Find useful and relevant information for your journey from Ontario to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to San Jose from Ontario?

What are the cheapest airlines to fly from Region of Ontario to San Jose one-way?

What are the most popular routes from Region of Ontario to San Jose?

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?

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.

Top 4 airlines flying from Ontario to San Jose

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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 April 25, 2025.