Ontario

$119+ Cheap flights from San Francisco (SFO) 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YYZ
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
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Find flight deals from San Francisco to Ontario

Cheapest flights from San Francisco to Ontario
Explore the most affordable flight options available from San Francisco to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2510:11 pmSFO - YYZ
1 stop28h 31mMultiple Airlines
Wed 12/118:00 pmYYZ - SFO
1 stop14h 14mMultiple Airlines
Deal found 10/29$240
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/61:55 pmSFO - YKF
1 stop8h 21mWestJet
Tue 12/106:30 amYKF - SFO
1 stop9h 35mWestJet
Deal found 10/30$266
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Mon 11/2510:11 pmSFO - YUL
1 stop15h 24mMultiple Airlines
Thu 11/286:45 amYUL - SFO
1 stop8h 39mMultiple Airlines
Deal found 10/30$298
This Booking.com deal was found by Cheapflights users on 10/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/281:30 pmSFO - YUL
1 stop8h 00mPorter Airlines
Fri 12/66:45 amYUL - SFO
1 stop8h 39mPorter Airlines
Deal found 10/31$308
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
Fri 12/61:55 pmSFO - YYZ
2 stops13h 05mWestJet
Tue 12/106:30 amYYZ - SFO
1 stop9h 35mWestJet
Deal found 10/31$314
This Kissandfly.com deal was found by Cheapflights users on 10/31. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/103:18 pmSFO - YTZ
2 stops17h 32mMultiple Airlines
Tue 12/173:25 pmYTZ - SFO
2 stops19h 22mMultiple Airlines
Deal found 10/31$335
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
Tue 12/310:15 amSFO - YOW
1 stop25h 45mMultiple Airlines
Thu 12/56:25 amYOW - SFO
1 stop8h 59mMultiple Airlines
Deal found 10/31$341
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/51:30 pmSFO - YOW
1 stop8h 12mPorter Airlines
Tue 11/196:25 amYOW - SFO
1 stop8h 59mPorter Airlines
Deal found 10/29$349
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Fri 12/63:05 pmSFO - YKF
2 stops12h 20mMultiple Airlines
Tue 12/106:30 amYKF - SFO
1 stop9h 35mMultiple Airlines
Deal found 10/30$352
This Mytrip deal was found by Cheapflights users on 10/31. 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.
Thu 11/281:30 pmSFO - YYZ
Nonstop5h 02mPorter Airlines
Wed 12/49:35 amYYZ - SFO
Nonstop5h 49mPorter Airlines
Deal found 10/31$356
This United Airlines deal was found by Cheapflights users on 10/31. 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 12/212:10 amSFO - YOW
1 stop7h 21mUnited Airlines
Thu 12/55:30 amYOW - SFO
1 stop8h 22mUnited Airlines
Deal found 10/31$357
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 12/41:21 pmSFO - YYZ
2 stops22h 34mAlaska Airlines
Wed 12/114:20 pmYYZ - SFO
2 stops20h 20mAlaska Airlines
Deal found 10/30$363

Find flights from San Francisco to Ontario within your budget

Customize your flight search to find flights from San Francisco 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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Mon 11/25

10:11 pm-8:05 pm

2 stops18h 54m

$129

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Fri 11/29

1:55 pm-6:00 am

2 stops13h 05m

$135

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sat 11/30

1:30 pm-9:32 pm

Nonstop5h 02m

$136

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 1/6

9:00 pm-2:35 pm

1 stop14h 35m

$143

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 11/29

11:55 am-11:32 pm

1 stop8h 37m

$158

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Fri 2/21

6:00 am-2:55 pm

1 stop29h 55m

$177

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Mon 11/18

12:40 am-10:55 pm

2 stops19h 15m

$189

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Mon 12/9

1:30 pm-9:32 pm

Nonstop5h 02m

$193

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sat 11/16

9:10 am-9:24 pm

2 stops9h 14m

$212

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Wed 11/13

12:30 am-4:45 pm

2 stops13h 15m

$235

Flights are sorted by cheapest first

Deals found on 10/30

Showing 1-10 of 57 results
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Best time to book a flight from San Francisco to Ontario

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

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

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

Currently, January is the cheapest month in which you can book a flight from San Francisco to Region of Ontario (average of $242). Flying from San Francisco 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 SFO to ON?

Find hourly flight availability from San Francisco 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 October 31, 2024.

When flying from San Francisco 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 October 31, 2024.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Air Canada from San Francisco to Ontario to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
9,420 reviews

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.2

Entertainment

7.1

Reviews

1 / 10

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

8.0
Very good
9,420 reviews
8.0
Very good
9,420 reviews

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.2

Entertainment

7.1

Reviews

1 / 10

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

8.0
Very good
8,835 reviews
8.0
Very good
9,420 reviews

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.2

Entertainment

7.1

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
9,420 reviews

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.2

Entertainment

7.1

Reviews

1 / 10

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

7.8
Good
387 reviews
8.0
Very good
9,420 reviews

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.2

Entertainment

7.1

Reviews

1 / 10

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

7.6
Good
1,644 reviews
8.0
Very good
9,420 reviews

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.2

Entertainment

7.1

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 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 Francisco to Ontario?

    Most people fly from San Francisco (SFO) if they book a flight from San Francisco to Ontario. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • Can I find flights from San Francisco to Region of Ontario for under $300 on Cheapflights?

    Yes, there are multiple flights from San Francisco to Region of Ontario for under $300. The cheapest flight booked recently is on Multiple Airlines for just $240, but on average you can expect to pay $364.

  • Are there nonstop flights from San Francisco to Region of Ontario for under $400 on Cheapflights?

    Cheapflights has at least 8 direct flights from San Francisco to Region of Ontario under $400. A good price for a nonstop flight from San Francisco to Region of Ontario is less than $484.

  • Are there last-minute flights available from San Francisco to Region of Ontario for under $300?

    There are currently 20+ open flights from San Francisco to Region of Ontario within the next 7 days for less than $300.

  • What days are nonstop flights available from San Francisco to Region of Ontario?

    Days when nonstop flights are available for this flight are: Thursday, Friday, Saturday.

  • How many flights depart from San Francisco to Region of Ontario on average per day?

    Per day, 7 flights depart from San Francisco to Region of Ontario on average.
    Evening (6pm - Midnight) - 100% of flight departures

  • How long is the flight from San Francisco to Region of Ontario?

    Airlines like WestJet, Porter Airlines, and United Airlines fly from San Francisco to Region of Ontario in about 8h. The time it takes to get you to your destination can typically vary by up to 6h 36m. There are 2266 mi between San Francisco and Region of Ontario. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $135. Porter Airlines flights start at $136 while deals on United Airlines start at $143 one-way.

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

  • What are the most reliable airlines from San Francisco to Region of Ontario?

    Before booking your flight to Region of Ontario from San Francisco, check out the most reliable airlines to get you to your destination on time: United Airlines (80%), Austrian Airlines (78%), Brussels Airlines( 78%).

  • What are the cheapest flights from San Francisco to Region of Ontario?

    Looking for the cheapest flight from San Francisco to Region of Ontario? While on average our users pay $1,177, our data indicates the cheapest price to be $127. The most popular route (San Francisco - Toronto Pearson Intl), is priced around $238.

  • What does SFO to YYZ mean?

    This is defined as San Francisco Airport (SFO) and Toronto Pearson Intl Airport (YYZ). Codes like Toronto Pearson Intl Airport are often used to just call airports uniquely. Ottawa Airport (YOW), Toronto Island Airport (YTZ), London Airport (YXU), Hamilton Airport (YHM), Toronto Region of Waterloo Intl Airport (YKF) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from San Francisco to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your San Francisco to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Francisco to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Francisco to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from San Francisco 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 to Ontario.

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

    Yes. Cheapflights offers flight deals from San Francisco 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.

  • Can I find deals for flights from San Francisco to Ontario that allow pets onboard?

    Many airlines flying from San Francisco to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Francisco to Ontario?

    Yes, you can often find last-minute deals on San Francisco to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Francisco to Region of Ontario flight deals updated?

    The San Francisco to Region of Ontario flight deals you see on this page were last updated on 10/31.

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

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Region of Ontario (average of $242). Flying from San Francisco 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 Francisco to Ontario

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

Top 8 airlines flying from San Francisco to Ontario

Discover the top 8 airlines that operate flights from San Francisco 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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$180Average$466FlexibilityNo cancel feeOn-time52%
DeltaCheapest$187Average$554FlexibilityNo cancel feeOn-timeN/A
Lynx AirCheapest$194Average$236FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$203Average$417FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$215Average$634FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$218Average$356FlexibilityNo cancel feeOn-time71%
WestJetCheapest$227Average$494FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$244Average$644FlexibilityNo cancel feeOn-time69%
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