San Francisco

$137+ Cheap flights from Toronto (YTO) to San Francisco (SFO)

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SFO
Jan 22 — Jan 291
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The best prices from Toronto to San Francisco are usually found in February or January, booked 56 days in advance, depart on a Thursday or Wednesday and return on a Sunday

Cheap flight deals from Toronto to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to San Francisco (SFO). 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 January 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$288
(Kiwi.com)

One-way from

$163
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$355
Provider with most accurate pricing for Toronto (YTO)-San Francisco flight deals.
Provider most trusted by Cheapflights users for Toronto (YTO)-San Francisco flights.
From Toronto (YTO) to San Francisco
One-way flight from Toronto (YTO) to San Francisco
High demand for flights, 0% potential price rise
Best time to find cheap flights, 1% potential price drop
Average for round-trip flights in January 2025

Find flight deals from Toronto to San Francisco

Cheapest flights from Toronto to San Francisco
Explore the most affordable flight options available from Toronto to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.

This Trip.com deal was found by Cheapflights users on 1/16. 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.
Thu 9/186:00 amYHM - SFO
1 stop8h 54mWestJet
Sat 9/2712:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 1/16$243
This WestJet deal was found by Cheapflights users on 1/16. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/46:00 amYKF - SFO
2 stops10h 59mWestJet
Mon 6/92:45 pmSFO - YKF
2 stops31h 01mWestJet
Deal found 1/16$288
This Kiwi.com deal was found by Cheapflights users on 1/16. 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 3/48:00 pmYYZ - SFO
1 stop16h 42mMultiple Airlines
Wed 3/191:40 pmSFO - YYZ
Nonstop5h 02mMultiple Airlines
Deal found 1/16$288
This Kissandfly.com deal was found by Cheapflights users on 1/15. 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.
Thu 2/62:00 pmYTZ - SFO
2 stops20h 16mMultiple Airlines
Wed 2/1210:59 pmSFO - YTZ
2 stops18h 06mMultiple Airlines
Deal found 1/15$291
This WestJet deal was found by Cheapflights users on 1/16. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/268:00 pmYYZ - SFO
1 stop28h 25mWestJet
Thu 5/17:30 amSFO - YYZ
1 stop10h 24mWestJet
Deal found 1/16$292
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 2/66:30 amYKF - SFO
1 stop9h 36mMultiple Airlines
Sun 2/910:42 pmSFO - YKF
2 stops28h 58mMultiple Airlines
Deal found 1/15$326
This Air Canada deal was found by Cheapflights users on 1/16. 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.
Sat 2/87:00 pmYYZ - SFO
Nonstop5h 47mAir Canada
Fri 3/710:45 pmSFO - YYZ
Nonstop4h 58mAir Canada
Deal found 1/16$334
This United Airlines deal was found by Cheapflights users on 1/16. 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.
Sun 2/97:00 pmYYZ - SFO
Nonstop5h 47mUnited Airlines
Wed 2/1211:55 amSFO - YYZ
Nonstop4h 58mUnited Airlines
Deal found 1/16$335
This Alaska Airlines deal was found by Cheapflights users on 1/16. 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.
Sat 2/14:20 pmYYZ - SFO
2 stops19h 36mAlaska Airlines
Thu 2/612:23 pmSFO - YYZ
2 stops23h 32mAlaska Airlines
Deal found 1/16$338
This Booking.com deal was found by Cheapflights users on 1/16. 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.
Mon 2/39:45 amYYZ - SFO
Nonstop5h 54mPorter Airlines
Sun 2/91:40 pmSFO - YYZ
Nonstop5h 02mPorter Airlines
Deal found 1/16$340
This Air Canada deal was found by Cheapflights users on 1/14. 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.
Wed 2/53:25 pmYTZ - SFO
1 stop9h 26mAir Canada
Sun 2/98:30 amSFO - YTZ
1 stop10h 20mAir Canada
Deal found 1/14$347
This Delta deal was found by Cheapflights users on 1/16. 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.
Tue 3/186:00 amYYZ - SFO
2 stops18h 19mDelta
Tue 4/14:04 pmSFO - YYZ
2 stops14h 18mDelta
Deal found 1/16$349

Find flights from Toronto to San Francisco within your budget

Customize your flight search to find flights from Toronto to San Francisco 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 January 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 4/29

6:00 am-12:05 pm

1 stop9h 05m

San Francisco

Thu 5/1

12:50 pm-12:41 am

1 stop8h 51m

$244

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 3/4

8:00 pm-9:42 am

1 stop16h 42m

San Francisco

Wed 3/19

1:40 pm-9:42 pm

Nonstop5h 02m

$288

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Wed 6/4

6:00 am-1:59 pm

2 stops10h 59m

San Francisco

Mon 6/9

2:45 pm-12:46 am

2 stops31h 01m

$288

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Thu 2/6

2:00 pm-7:16 am

2 stops20h 16m

San Francisco

Wed 2/12

10:59 pm-8:05 pm

2 stops18h 06m

$291

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 4/26

8:00 pm-9:25 pm

1 stop28h 25m

San Francisco

Thu 5/1

7:30 am-8:54 pm

1 stop10h 24m

$292

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 2/6

6:30 am-1:06 pm

1 stop9h 36m

San Francisco

Sun 2/9

10:42 pm-6:40 am

2 stops28h 58m

$326

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sun 2/9

9:45 am-12:39 pm

Nonstop5h 54m

San Francisco

Fri 3/7

1:40 pm-9:42 pm

Nonstop5h 02m

$328

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 2/8

7:00 pm-9:47 pm

Nonstop5h 47m

San Francisco

Fri 3/7

10:45 pm-6:43 am

Nonstop4h 58m

$334

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sun 2/9

7:00 pm-9:47 pm

Nonstop5h 47m

San Francisco

Wed 2/12

11:55 am-7:53 pm

Nonstop4h 58m

$335

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 2/1

4:20 pm-8:56 am

2 stops19h 36m

San Francisco

Thu 2/6

12:23 pm-2:55 pm

2 stops23h 32m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 32 results
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Compare providers for flights from Toronto to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Toronto to San Francisco in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Toronto-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Toronto-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Toronto-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Toronto-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Toronto-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Toronto to San Francisco

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

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

How far ahead should I book a flight from Toronto to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Toronto to San Francisco. Price data was last updated on January 10, 2025.

The price you pay for your flight from Toronto to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Toronto to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Toronto to San Francisco (average of $276). Flying from Toronto to San Francisco in June is currently the most expensive (average of $405). 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 YTO to SFO?

Find hourly flight availability from Toronto to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 17, 2025.

One of the essential ways to save on airfare from Toronto to San Francisco is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 58% on airfare.

What is the cheapest day to fly from Toronto to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Toronto to San Francisco. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Toronto to San Francisco flight should consider departing on Monday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Toronto to San Francisco

Explore weekly flight availability from Toronto to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 17, 2025.

The most flights from YTO to SFO are scheduled on a Monday (18 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in San Francisco by month

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

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

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

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated January 17, 2025.
Get a feel of what it's like to fly with WestJet, Air Canada and American Airlines from Toronto to San Francisco by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.4
Very good
1,248 reviews

Food

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.2

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.4
Very good
1,248 reviews
8.4
Very good
1,248 reviews

Food

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.2

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.0
Very good
9,681 reviews
8.4
Very good
1,248 reviews

Food

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.2

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.0
Very good
8,511 reviews
8.4
Very good
1,248 reviews

Food

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.2

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

7.9
Good
276 reviews
8.4
Very good
1,248 reviews

Food

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.2

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

7.8
Good
381 reviews
8.4
Very good
1,248 reviews

Food

8.0

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.2

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Related info for your journey

Find useful and relevant information for your journey from Toronto to San Francisco. 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 into for flights to San Francisco from Toronto?

    Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from Toronto. Booking flights from Toronto to San Francisco (SFO) should be relatively easy as there are 15 daily inbound flights from Toronto from 8 different airlines.

  • What are the cheapest airlines flying from Toronto to San Francisco round-trip?

    Flying on WestJet is currently your cheapest option to San Francisco, with prices starting at $292. Additional round-trip tickets that might be worth considering are offered by Porter Airlines and Air Canada, with the lowest prices starting at $328 and $334, respectively. WestJet is priced at 29% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Toronto to San Francisco one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $163. However, be on the lookout for offers from Air Canada and Porter Airlines, as they are both options that can get you from Toronto to San Francisco for a low price.

  • What are the most popular routes from Toronto to San Francisco?

  • What are the most reliable airlines from Toronto to San Francisco?

    Consider Austrian Airlines (63%), United Airlines (63%) or Singapore Airlines (62%) when booking your flight. These represent the most reliable airlines when flying from Toronto to San Francisco.

  • What are the cheapest flights from Toronto to San Francisco?

    Looking for the cheapest flight from Toronto to San Francisco? While on average our users pay $1,120, our data indicates the cheapest price to be $189. The most popular route (Toronto Pearson Intl - San Francisco), is priced around $211.

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

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

  • How can I find direct flights from Toronto to San Francisco?

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

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

    Yes. Cheapflights offers flight deals from Toronto to San Francisco 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 Toronto to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Toronto to San Francisco (average of $276). Flying from Toronto to San Francisco in June is currently the most expensive (average of $405). 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

Traveling to a place near Toronto?

Book flights to Toronto if you plan to visit one of these locations
Mountain View
Roseville
Turlock
Santa Cruz
Fairfield
Manteca
Sausalito
Watsonville
Hayward
Richmond
Hollister
Antioch
South San Francisco
Milpitas
Elk Grove
Newark
Alameda
Campbell
Lathrop
Pacific Grove

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Toronto to San Francisco

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

Top 8 airlines flying from Toronto to San Francisco

Discover the top 8 airlines that operate flights from Toronto to San Francisco. 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 January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Lynx AirCheapest$114Average$238FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$199Average$423FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$235Average$496FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$255Average$446FlexibilityNo cancel feeOn-time52%
WestJetCheapest$255Average$433FlexibilityNo cancel feeOn-time60%
Air TransatCheapest$262Average$372FlexibilityNo cancel feeOn-time50%
United AirlinesCheapest$267Average$540FlexibilityNo cancel feeOn-time69%
DeltaCheapest$435Average$526FlexibilityNo cancel feeOn-timeN/A
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