Ontario

$83+ Cheap flights from San Jose (SJC) to Ontario

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — YYZ
feb. 4 — feb. 111
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Cheap flight deals from San Jose to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Ontario (CAON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$221
(Kiwi.com)

One-way from

$83
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$463
Provider with most accurate pricing for San Jose-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for San Jose-Toronto (YTO) flights.
From San Jose to Ontario
One-way flight from San Jose to Ontario
Highest demand for flights based on searches. 10% potential increase in price ($51 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in January 2025

Find flight deals from San Jose to Ontario

Cheapest flights from San Jose to Ontario
Explore the most affordable flight options available from San Jose to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/171:00 pmSJC - YYZ
1 stop14h 43mMultiple Airlines
vie. 3/218:00 pmYYZ - SJC
1 stop24h 06mMultiple Airlines
Deal found 1/30$221
This Kiwi.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/199:18 pmSJC - YUL
1 stop16h 17mMultiple Airlines
lun. 2/242:35 pmYUL - SJC
2 stops19h 03mMultiple Airlines
Deal found 1/30$295
This Kiwi.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/68:22 pmSJC - YOW
2 stops21h 25mMultiple Airlines
lun. 3/106:10 pmYOW - SJC
1 stop22h 14mMultiple Airlines
Deal found 1/30$304
This Mytrip deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/112:19 pmSJC - YTZ
3 stops25h 34mMultiple Airlines
dom. 3/161:50 pmYTZ - SJC
3 stops30h 12mMultiple Airlines
Deal found 1/30$314
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/248:30 amSJC - YYZ
1 stop11h 07mUnited Airlines
lun. 3/319:00 amYYZ - SJC
1 stop17h 00mUnited Airlines
Deal found 1/30$372
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/285:50 amSJC - YYZ
2 stops14h 17mDelta
jue. 3/276:15 amYYZ - SJC
1 stop8h 36mDelta
Deal found 1/30$382
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/256:20 amSJC - YUL
1 stop9h 27mUnited Airlines
sáb. 3/88:05 amYUL - SJC
1 stop16h 04mUnited Airlines
Deal found 1/30$402
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/251:01 pmSJC - YUL
1 stop7h 58mDelta
dom. 3/3012:40 pmYUL - SJC
1 stop12h 29mDelta
Deal found 1/30$411
This Justfly.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/287:55 pmSJC - YYZ
1 stop8h 05mWestJet
lun. 7/147:45 pmYYZ - SJC
1 stop21h 12mWestJet
Deal found 1/30$455
This Alaska Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/173:06 pmSJC - YYZ
1 stop20h 49mAlaska Airlines
lun. 3/244:20 pmYYZ - SJC
2 stops30h 57mAlaska Airlines
Deal found 1/30$458
This Air Canada deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/63:30 pmSJC - YYZ
2 stops17h 19mAir Canada
mar. 5/135:30 pmYYZ - SJC
2 stops19h 32mAir Canada
Deal found 1/30$536
This Mytrip deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/36:25 amSJC - YUL
3 stops15h 14mWestJet
mar. 3/116:45 amYUL - SJC
3 stops18h 34mWestJet
Deal found 1/29$650

Find flights from San Jose to Ontario within your budget

Customize your flight search to find flights from San Jose to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

lun. 3/17

1:00 pm-6:43 am

1 stop14h 43m

Toronto Pearson Intl

vie. 3/21

8:00 pm-5:06 pm

1 stop24h 06m

$221

San JoseMontreal

SJC - YUL

SJCYUL

San Jose

mié. 2/19

9:18 pm-4:35 pm

1 stop16h 17m

Montreal Pierre Elliott Trudeau Intl

lun. 2/24

2:35 pm-6:38 am

2 stops19h 03m

$295

San JoseOttawa

SJC - YOW

SJCYOW

San Jose

jue. 3/6

8:22 pm-8:47 pm

2 stops21h 25m

Ottawa

lun. 3/10

6:10 pm-1:24 pm

1 stop22h 14m

$304

San JoseToronto

SJC - YTZ

SJCYTZ

San Jose

mar. 3/11

2:19 pm-6:53 pm

3 stops25h 34m

Toronto Island

dom. 3/16

1:50 pm-5:02 pm

3 stops30h 12m

$314

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

lun. 2/24

8:30 am-10:37 pm

1 stop11h 07m

Toronto Pearson Intl

lun. 3/31

9:00 am-11:00 pm

1 stop17h 00m

$372

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

vie. 2/28

5:50 am-11:07 pm

2 stops14h 17m

Toronto Pearson Intl

jue. 3/27

6:15 am-11:51 am

1 stop8h 36m

$382

San JoseMontreal

SJC - YUL

SJCYUL

San Jose

mar. 2/25

6:20 am-6:47 pm

1 stop9h 27m

Montreal Pierre Elliott Trudeau Intl

sáb. 3/8

8:05 am-9:09 pm

1 stop16h 04m

$402

San JoseMontreal

SJC - YUL

SJCYUL

San Jose

mar. 3/25

1:01 pm-11:59 pm

1 stop7h 58m

Montreal Pierre Elliott Trudeau Intl

dom. 3/30

12:40 pm-10:09 pm

1 stop12h 29m

$411

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

sáb. 6/28

7:55 pm-7:00 am

1 stop8h 05m

Toronto Pearson Intl

lun. 7/14

7:45 pm-1:57 pm

1 stop21h 12m

$455

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

lun. 3/17

3:06 pm-2:55 pm

1 stop20h 49m

Toronto Pearson Intl

lun. 3/24

4:20 pm-8:17 pm

2 stops30h 57m

$458

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 33 results
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Best time to book a flight from San Jose to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from San Jose 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.

Travel insights for flights from San Jose to Ontario

Get recent, data-driven insights about flights from San Jose to Ontario including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from San Jose to Region of Ontario (average of $243). Flying from San Jose to Region of Ontario in July is currently the most expensive (average of $359). 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 SJC to ON?

Find hourly flight availability from San Jose to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 30, 2025.

When flying from San Jose to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.2 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated enero 30, 2025.
Read through reviews of airlines operating flights from San Jose to Ontario, such as Alaska Airlines, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from San Jose to Ontario. 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 from for flights from San Jose to Ontario?

    Most people fly from San Jose (SJC) if they book a flight from San Jose to Ontario. San Jose is conveniently located just 2.9 mi from San Jose’s city center.

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

    One-way options have recently been found by users for as low as $157 on Delta. Other airlines that offer cheap prices include United Airlines from $162 and WestJet from $252 one-way.

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

  • Can I find deals for flights from San Jose to Ontario that include hotel bookings?

    Yes. In addition to deals on San Jose to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Jose to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Ontario.

  • Can I find deals for business class flights from San Jose to Ontario?

    Yes. Cheapflights offers flight deals from San Jose to Ontario 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 San Jose to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from San Jose to Region of Ontario (average of $243). Flying from San Jose to Region of Ontario in July is currently the most expensive (average of $359). 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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Alternative routes for San Jose to Ontario

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

Top 5 airlines flying from San Jose to Ontario

Discover the top 5 airlines that operate flights from San Jose to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$194Average$501FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$207Average$397FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$297Average$735FlexibilityNo cancel feeOn-time69%
DeltaCheapest$348Average$486FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$449Average$603FlexibilityNo cancel feeOn-time71%
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