Ontario

$136+ Cheap flights from San Jose, CA (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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — YYZ
Apr 6 — Apr 131
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Cheap 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 March 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Mon 5/48:22 pm
SJC
-
YYZ
1 stop20h 38m
Multiple Airlines
Sun 5/101:45 pm
YYZ
-
SJC
1 stop31h 17m
Multiple Airlines
Deal found 3/3$316
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Wed 5/66:15 am
SJC
-
YYZ
2 stops13h 30m
Multiple Airlines
Sun 5/101:45 pm
YYZ
-
SJC
1 stop31h 17m
Multiple Airlines
Deal found 3/6$326
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Mon 4/278:22 pm
SJC
-
YYZ
1 stop20h 38m
Multiple Airlines
Fri 5/14:55 pm
YYZ
-
SJC
1 stop8h 40m
Multiple Airlines
Deal found 3/2$332
This American Airlines deal was found by Cheapflights users on 3/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
SJC
-
YYZ
1 stop13h 55m
American Airlines
Wed 4/296:45 am
YYZ
-
SJC
1 stop9h 27m
American Airlines
Deal found 3/2$355
This CheapOair deal was found by Cheapflights users on 3/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:15 am
SJC
-
YYZ
1 stop30h 30m
Alaska Airlines
Wed 6/34:55 pm
YYZ
-
SJC
1 stop9h 36m
Alaska Airlines
Deal found 3/3$359
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Mon 6/86:37 pm
SJC
-
YYZ
2 stops16h 42m
United Airlines
Tue 6/95:15 pm
YYZ
-
SJC
1 stop8h 15m
United Airlines
Deal found 3/5$362
This Delta deal was found by Cheapflights users on 3/2. 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.
Sat 4/410:50 pm
SJC
-
YYZ
2 stops15h 27m
Delta
Thu 4/96:10 am
YYZ
-
SJC
1 stop8h 58m
Delta
Deal found 3/2$365
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Thu 5/72:51 pm
SJC
-
YYZ
2 stops11h 54m
Multiple Airlines
Mon 5/119:55 am
YYZ
-
SJC
1 stop11h 07m
Multiple Airlines
Deal found 3/7$368
This CheapOair deal was found by Cheapflights users on 3/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:15 am
SJC
-
YYZ
1 stop30h 30m
Alaska Airlines
Tue 6/24:55 pm
YYZ
-
SJC
2 stops19h 50m
Alaska Airlines
Deal found 3/3$369
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Tue 3/316:30 am
SJC
-
YOW
1 stop7h 37m
United Airlines
Tue 4/710:44 am
YOW
-
SJC
1 stop14h 57m
United Airlines
Deal found 3/2$402
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Mon 3/303:45 pm
SJC
-
YOW
2 stops19h 14m
United Airlines
Tue 4/75:25 pm
YOW
-
SJC
1 stop8h 16m
United Airlines
Deal found 3/6$412
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Mon 3/303:45 pm
SJC
-
YOW
2 stops19h 14m
United Airlines
Sat 4/46:25 am
YOW
-
SJC
2 stops17h 42m
United Airlines
Deal found 3/6$418

Find flight deals from San Jose to Ontario

Keep the following information in mind while searching for San Jose to Ontario flight deals. Data was last updated March 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$316
(Kiwi.com)

One-way from

$136
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$401
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. 12% potential increase in price ($70 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
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 March 7, 2026.
Use the filters below to find and compare flights from San Jose to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Mon 4/13

11:00 pm-10:19 am

1 stop8h 19m

Toronto Pearson Intl

Mon 4/20

11:30 am-9:45 pm

1 stop13h 15m

$377

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Sun 5/17

8:45 am-9:32 pm

1 stop9h 47m

Toronto Pearson Intl

Sun 5/24

6:10 am-12:03 pm

1 stop8h 53m

$377

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Sun 6/7

6:30 am-6:25 pm

1 stop8h 55m

Toronto Pearson Intl

Tue 6/9

6:30 am-12:09 pm

1 stop8h 39m

$377

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Mon 5/4

6:19 pm-3:14 pm

1 stop17h 55m

Toronto Pearson Intl

Sat 5/9

4:18 pm-9:32 pm

1 stop8h 14m

$377

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Fri 4/24

11:00 pm-10:19 am

1 stop8h 19m

Toronto Pearson Intl

Sun 5/3

11:30 am-9:45 pm

1 stop13h 15m

$377

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Fri 6/5

10:00 pm-12:19 pm

1 stop11h 19m

Toronto Pearson Intl

Thu 6/11

2:15 pm-9:48 pm

1 stop10h 33m

$377

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Thu 4/30

11:00 pm-10:19 am

1 stop8h 19m

Toronto Pearson Intl

Mon 5/4

11:30 am-9:45 pm

1 stop13h 15m

$381

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Thu 8/6

7:15 am-10:00 pm

1 stop11h 45m

Toronto Pearson Intl

Sun 8/9

2:15 pm-9:48 pm

1 stop10h 33m

$385

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Thu 6/4

10:55 pm-1:30 pm

1 stop11h 35m

Toronto Pearson Intl

Tue 6/9

9:45 am-8:53 pm

2 stops14h 08m

$386

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Sun 5/3

6:19 pm-10:04 am

2 stops12h 45m

Toronto Pearson Intl

Sat 5/9

4:18 pm-9:32 pm

1 stop8h 14m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 60 resultsSorted by cheapest first
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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.

Cheapflights Insights

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

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

Currently, February is the cheapest month in which you can book a flight from San Jose, California to Region of Ontario (average of $126). Flying from San Jose, California to Region of Ontario in January is currently the most expensive (average of $221). 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.

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 March 7, 2026.
Read through reviews of airlines operating flights from San Jose to Ontario, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    There are many flights that can get you from San Jose, California to Region of Ontario in 8h 19m. Fly via Delta, United Airlines, or Air Canada to get the fastest option. The distance between San Jose, California and Region of Ontario is about 2238 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $153. However, be on the lookout for offers from United Airlines and Air Canada, as they are both options that can get you from San Jose, California to Region of Ontario for a low price.

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

    Currently, February is the cheapest month in which you can book a flight from San Jose, California to Region of Ontario (average of $126). Flying from San Jose, California to Region of Ontario in January is currently the most expensive (average of $221). 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 4 airlines flying from San Jose to Ontario

Discover the top 4 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 March 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$187Average$469FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$207Average$469FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$339Average$487FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$389Average$562FlexibilityNo cancel feeOn-time71%

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