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Cheap flights from San Jose to Ontario from C$ 88

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — YYZ
26 Feb — 5 Mar1
1 adult

Cheap 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 21 February 2025.

Round-trip from

C$ 250

One-way from

C$ 88

Popular in

December

Cheapest in

March

Average price

C$ 756
1/4-8/4
  • 1/4-8/4
  • 2 total stops
  • 30h 58m total
  • San Jose to Ontario
Search Deals
11/3
  • 11/3
  • 1 total stop
  • 10h 09m total
  • San Jose to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
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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 21 February 2025.

Tue 1/47:28 p.m.SJC - YYZ
1 stop7h 27mMultiple Airlines
Tue 8/48:00 p.m.YYZ - SJC
1 stop23h 31mMultiple Airlines
Deal found 19/2C$ 250
Tue 15/47:54 p.m.SJC - YTZ
2 stops19h 59mMultiple Airlines
Mon 21/44:10 p.m.YTZ - SJC
2 stops29h 47mMultiple Airlines
Deal found 20/2C$ 398
Thu 27/31:41 p.m.SJC - YUL
2 stops31h 58mMultiple Airlines
Tue 1/43:55 p.m.YUL - SJC
2 stops24h 39mMultiple Airlines
Deal found 19/2C$ 477
Sun 6/48:59 p.m.SJC - YOW
2 stops32h 21mMultiple Airlines
Sun 13/46:10 p.m.YOW - SJC
1 stop28h 12mMultiple Airlines
Deal found 20/2C$ 503
Sun 2/37:19 p.m.SJC - YYZ
2 stops11h 56mAmerican Airlines
Mon 3/31:14 p.m.YYZ - SJC
2 stops11h 15mAmerican Airlines
Deal found 19/2C$ 509
Sun 2/37:19 p.m.SJC - YYZ
2 stops12h 32mBritish Airways
Tue 11/36:15 a.m.YYZ - SJC
2 stops10h 36mBritish Airways
Deal found 20/2C$ 527
Sun 9/35:45 a.m.SJC - YYZ
1 stop7h 09mDelta
Fri 14/35:00 p.m.YYZ - SJC
1 stop9h 59mDelta
Deal found 20/2C$ 530
Sat 1/36:20 a.m.SJC - YYZ
1 stop13h 51mUnited Airlines
Tue 4/34:10 p.m.YYZ - SJC
1 stop8h 23mUnited Airlines
Deal found 18/2C$ 537
Mon 3/312:59 p.m.SJC - YYZ
1 stop6h 53mAir Canada
Wed 5/312:15 p.m.YYZ - SJC
2 stops12h 18mAir Canada
Deal found 19/2C$ 545
Sat 1/35:46 p.m.SJC - YYZ
1 stop18h 09mAlaska Airlines
Sat 8/34:20 p.m.YYZ - SJC
2 stops17h 44mAlaska Airlines
Deal found 19/2C$ 551
Tue 22/47:20 p.m.SJC - YUL
2 stops14h 00mAmerican Airlines
Wed 23/42:30 p.m.YUL - SJC
2 stops23h 54mAmerican Airlines
Deal found 20/2C$ 560
Fri 21/26:25 a.m.SJC - YYZ
2 stops15h 15mWestJet
Mon 10/38:00 p.m.YYZ - SJC
2 stops29h 19mWestJet
Deal found 19/2C$ 564

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 629,999 searches. Data last updated 21 February 2025.

Fly from

San Jose

Fly to

Ontario

Route

Depart

Return

Price

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Tue 1/4

7:28 p.m.-5:55 a.m.

1 stop7h 27m

Toronto Pearson Intl

Tue 8/4

8:00 p.m.-4:31 p.m.

1 stop23h 31m

C$ 250

San JoseToronto

SJC - YTZ

SJCYTZ

San Jose

Tue 15/4

7:54 p.m.-6:53 p.m.

2 stops19h 59m

Toronto Island

Mon 21/4

4:10 p.m.-6:57 p.m.

2 stops29h 47m

C$ 398

San JoseMontreal

SJC - YUL

SJCYUL

San Jose

Thu 27/3

1:41 p.m.-12:39 a.m.

2 stops31h 58m

Montreal Pierre Elliott Trudeau Intl

Tue 1/4

3:55 p.m.-1:34 p.m.

2 stops24h 39m

C$ 477

San JoseOttawa

SJC - YOW

SJCYOW

San Jose

Sun 6/4

8:59 p.m.-8:20 a.m.

2 stops32h 21m

Ottawa

Sun 13/4

6:10 p.m.-7:22 p.m.

1 stop28h 12m

C$ 503

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Sun 2/3

7:19 p.m.-10:15 a.m.

2 stops11h 56m

Toronto Pearson Intl

Mon 3/3

1:14 p.m.-9:29 p.m.

2 stops11h 15m

C$ 509

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Sun 2/3

7:19 p.m.-10:51 a.m.

2 stops12h 32m

Toronto Pearson Intl

Tue 11/3

6:15 a.m.-1:51 p.m.

2 stops10h 36m

C$ 527

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Sun 9/3

5:45 a.m.-3:54 p.m.

1 stop7h 09m

Toronto Pearson Intl

Fri 14/3

5:00 p.m.-11:59 p.m.

1 stop9h 59m

C$ 530

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Sun 2/3

6:20 a.m.-4:46 p.m.

1 stop7h 26m

Toronto Pearson Intl

Mon 3/3

8:35 a.m.-5:59 p.m.

1 stop12h 24m

C$ 537

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Mon 3/3

12:59 p.m.-10:52 p.m.

1 stop6h 53m

Toronto Pearson Intl

Wed 5/3

12:15 p.m.-9:33 p.m.

2 stops12h 18m

C$ 545

San JoseMontreal

SJC - YUL

SJCYUL

San Jose

Tue 22/4

7:20 p.m.-12:20 p.m.

2 stops14h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 23/4

2:30 p.m.-11:24 a.m.

2 stops23h 54m

C$ 560

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 42 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 C$ 167). Flying from San Jose to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 21 February 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 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 21 February 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from San Jose to Ontario. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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

Delta
8.0
Very good
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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

United Airlines
7.4
Good
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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

WestJet
7.2
Good
2,801 reviews
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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?

    For a flight from San Jose to Ontario, you will be flying from San Jose. San Jose (SJC) is just 4.6 km from the centre of the city.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as C$ 229. Users have also found prices from C$ 230 and C$ 233 on United Airlines and American Airlines, respectively.

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

    While some choose either San Jose - Montreal Pierre Elliott Trudeau Intl or San Jose - Toronto Island, San Jose - Toronto Pearson Intl is the most popular route 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 C$ 167). Flying from San Jose to Region of Ontario in July is currently the most expensive (average of C$ 258). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from San Jose to Ontario

Discover the top airline 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 629,999 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 459AverageC$ 705FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from San Jose to Ontario?

When you search for this flight from San Jose to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from San Jose.

Can Cheapflights find flights from San Jose to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from San Jose? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for San Jose to Ontario flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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