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Cheap flights from San Francisco Bay Area to Ontario from C$ 139

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YYZ
4 Nov — 11 Nov1
1 adult

Find flight deals from San Francisco Bay Area to Ontario

Cheapest flights from San Francisco Bay Area to Ontario
Explore the most affordable flight options available from San Francisco Bay Area to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2024.

Wed 4/123:18 p.m.SFO - YYZ
1 stop11h 24mMultiple Airlines
Wed 11/128:00 p.m.YYZ - SFO
1 stop14h 14mMultiple Airlines
Deal found 29/10C$ 334
Wed 11/121:23 p.m.SJC - YYZ
1 stop14h 23mMultiple Airlines
Mon 16/128:00 p.m.YYZ - SJC
1 stop20h 49mMultiple Airlines
Deal found 28/10C$ 353
Fri 6/121:55 p.m.SFO - YKF
1 stop8h 21mWestJet
Tue 10/126:30 a.m.YKF - SFO
1 stop9h 35mWestJet
Deal found 30/10C$ 370
Wed 11/123:00 p.m.OAK - YYZ
1 stop11h 42mMultiple Airlines
Mon 16/128:00 p.m.YYZ - OAK
1 stop16h 25mMultiple Airlines
Deal found 30/10C$ 385
Tue 26/119:59 p.m.SJC - YUL
2 stops23h 31mMultiple Airlines
Tue 3/125:35 p.m.YUL - SJC
1 stop17h 11mMultiple Airlines
Deal found 29/10C$ 414
Mon 25/1110:11 p.m.SFO - YUL
1 stop15h 24mMultiple Airlines
Thu 28/116:45 a.m.YUL - SFO
1 stop8h 39mMultiple Airlines
Deal found 30/10C$ 414
Wed 11/121:30 p.m.SFO - YUL
1 stop7h 58mPorter Airlines
Tue 11/26:35 a.m.YUL - SFO
1 stop8h 49mPorter Airlines
Deal found 30/10C$ 431
Sat 9/116:00 a.m.SJC - YYZ
1 stop7h 37mDelta
Fri 15/115:04 p.m.YYZ - SJC
1 stop9h 53mDelta
Deal found 29/10C$ 480
Tue 5/111:30 p.m.SFO - YOW
1 stop8h 12mPorter Airlines
Tue 19/116:25 a.m.YOW - SFO
1 stop8h 59mPorter Airlines
Deal found 29/10C$ 485
Fri 6/123:05 p.m.SFO - YKF
2 stops12h 20mMultiple Airlines
Tue 10/126:30 a.m.YKF - SFO
1 stop9h 35mMultiple Airlines
Deal found 30/10C$ 489
Wed 27/1110:44 p.m.SFO - YOW
1 stop8h 47mUnited Airlines
Wed 4/122:10 p.m.YOW - SFO
1 stop8h 57mUnited Airlines
Deal found 30/10C$ 496
Wed 11/125:25 a.m.OAK - YTZ
2 stops13h 48mMultiple Airlines
Mon 16/124:10 p.m.YTZ - OAK
2 stops20h 15mMultiple Airlines
Deal found 30/10C$ 505

Find flights from San Francisco Bay Area to Ontario within your budget

Customize your flight search to find flights from San Francisco Bay Area 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 527,020 searches. Data last updated 30 October 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 334 - C$ 833

Route

Depart

Return

Price

San FranciscoToronto Pearson Intl

SFO - YYZ

SFOYYZ

San Francisco

Wed 4/12

1 stop11h 24m

Toronto Pearson Intl

Wed 11/12

1 stop14h 14m

C$ 334

San JoseToronto Pearson Intl

SJC - YYZ

SJCYYZ

San Jose

Wed 11/12

1 stop14h 23m

Toronto Pearson Intl

Mon 16/12

1 stop20h 49m

C$ 353

San FranciscoToronto Region of Waterloo Intl

SFO - YKF

SFOYKF

San Francisco

Fri 6/12

1 stop8h 21m

Toronto Region of Waterloo Intl

Tue 10/12

1 stop9h 35m

C$ 370

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Wed 11/12

1 stop11h 42m

Toronto Pearson Intl

Mon 16/12

1 stop16h 25m

C$ 385

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 5/12

1 stop8h 12m

Ottawa

Fri 13/12

1 stop8h 59m

C$ 410

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 7/2

1 stop14h 07m

Ottawa

Mon 10/2

1 stop8h 22m

C$ 467

San JoseToronto Pearson Intl

SJC - YYZ

SJCYYZ

San Jose

Sat 9/11

1 stop7h 37m

Toronto Pearson Intl

Fri 15/11

1 stop9h 53m

C$ 480

San FranciscoToronto Pearson Intl

SFO - YYZ

SFOYYZ

San Francisco

Wed 4/12

2 stops21h 32m

Toronto Pearson Intl

Sat 14/12

1 stop20h 02m

C$ 525

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sun 10/11

1 stop7h 57m

Ottawa

Tue 12/11

1 stop8h 57m

C$ 553

San FranciscoToronto Pearson Intl

SFO - YYZ

SFOYYZ

San Francisco

Wed 4/12

Nonstop5h 02m

Toronto Pearson Intl

Tue 10/12

Nonstop5h 49m

C$ 556

San JoseMontreal Pierre Elliott Trudeau Intl

SJC - YUL

SJCYUL

San Jose

Sat 25/1

2 stops13h 35m

Montreal Pierre Elliott Trudeau Intl

Thu 30/1

2 stops12h 49m

C$ 673

San FranciscoToronto Region of Waterloo Intl

SFO - YKF

SFOYKF

San Francisco

Thu 28/11

1 stop17h 40m

Toronto Region of Waterloo Intl

Sun 1/12

1 stop24h 50m

C$ 833

Flights are sorted by cheapest first

Deals found on 29/10

Best time to book a flight from San Francisco Bay Area to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from San Francisco Bay Area 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 Francisco Bay Area to Ontario

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

What is the cheapest month to book a flight from San Francisco Bay Area to Region of Ontario?

Currently, October is the cheapest month in which you can book a flight from San Francisco Bay Area to Region of Ontario (average of C$ 178). Flying from San Francisco Bay Area 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 XIH to ON?

Find hourly flight availability from San Francisco Bay Area 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 30 October 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco Bay Area to Region of Ontario as you normally would.

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 30 October 2024.
Get a feel of what it's like to fly with Delta, WestJet and United Airlines from San Francisco Bay Area to Ontario by reading reviews from past customers. 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.
8.0
Very good
9,418 reviews

Food

7.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

8.0
Very good
9,418 reviews
8.0
Very good
9,418 reviews

Food

7.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

8.0
Very good
8,836 reviews
8.0
Very good
9,418 reviews

Food

7.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

7.8
Good
294 reviews
8.0
Very good
9,418 reviews

Food

7.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

7.8
Good
388 reviews
8.0
Very good
9,418 reviews

Food

7.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

7.6
Good
1,641 reviews
8.0
Very good
9,418 reviews

Food

7.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from San Francisco Bay Area to Region of Ontario one-way?

    C$ 185 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from C$ 202 and C$ 206, respectively.

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

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

  • How can I find direct flights from San Francisco Bay Area to Ontario?

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

  • Can I find deals for business class flights from San Francisco Bay Area to Ontario?

    Yes. Cheapflights offers flight deals from San Francisco Bay Area 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 Francisco Bay Area to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from San Francisco Bay Area to Region of Ontario (average of C$ 178). Flying from San Francisco Bay Area 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco Bay Area to Ontario

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

Top 7 airlines flying from San Francisco Bay Area to Ontario

Discover the top 7 airlines that operate flights from San Francisco Bay Area 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 527,020 searches. Data last updated 30 October 2024.
AirlineCheapestAverageFlexibilityOn-time
Lynx AirCheapestC$ 240AverageC$ 297FlexibilityNo cancel feeOn-timeN/A
Search Lynx Air flights
Porter AirlinesCheapestC$ 276AverageC$ 636FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 299AverageC$ 560FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 308AverageC$ 441FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 324AverageC$ 807FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 416AverageC$ 1,033FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 531AverageC$ 626FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco Bay Area to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco Bay Area to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Francisco Bay Area 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 Francisco Bay Area.

Can Cheapflights find flights from San Francisco Bay Area to Ontario with no change fees?

Certainly. Search results for flights to Ontario from San Francisco Bay Area shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Francisco Bay Area to Ontario 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!

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