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$134+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SFO
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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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 Friday and return on a Wednesday

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Booking.com)

One-way from

$134
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$362

Good round-trip deal

$275 or less

Good one-way deal

$198 or less
Provider with most accurate pricing for Toronto (YTO)-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-San Francisco flights.
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From Toronto (YTO) to San Francisco
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One-way flight from Toronto (YTO) to San Francisco
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Toronto (YTO) to San Francisco.
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Price to beat on a one-way flight from Toronto (YTO) to San Francisco.
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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 February 20, 2025.

This Booking.com deal was found by Cheapflights users on 2/19. 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 5/86:00 amYHM - SFO
2 stops10h 59mWestJet
Fri 5/912:50 pmSFO - YHM
1 stop8h 51mWestJet
Deal found 2/19$237
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/119:45 amYYZ - SFO
Nonstop5h 54mMultiple Airlines
Tue 3/1810:59 pmSFO - YYZ
1 stop27h 56mMultiple Airlines
Deal found 2/19$244
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Mon 6/96:00 amYKF - SFO
1 stop9h 05mWestJet
Thu 6/126:05 pmSFO - YKF
1 stop27h 41mWestJet
Deal found 2/19$245
This Trip.com deal was found by Cheapflights users on 2/18. 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 5/86:30 amYYZ - SFO
1 stop8h 35mWestJet
Sun 5/117:30 amSFO - YYZ
1 stop8h 24mWestJet
Deal found 2/18$247
This Air Canada deal was found by Cheapflights users on 2/18. 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.
Thu 3/273:25 pmYTZ - SFO
1 stop9h 26mAir Canada
Thu 4/108:20 amSFO - YTZ
1 stop10h 15mAir Canada
Deal found 2/18$253
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 4/29:45 amYYZ - SFO
Nonstop5h 54mPorter Airlines
Thu 5/11:25 pmSFO - YYZ
Nonstop4h 59mPorter Airlines
Deal found 2/18$266
This Air Canada deal was found by Cheapflights users on 2/19. 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 3/198:05 amYYZ - SFO
Nonstop5h 47mAir Canada
Wed 3/2610:45 pmSFO - YYZ
Nonstop4h 58mAir Canada
Deal found 2/19$269
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Wed 3/198:35 pmYKF - SFO
1 stop15h 55mMultiple Airlines
Fri 5/1612:50 pmSFO - YKF
1 stop8h 56mMultiple Airlines
Deal found 2/18$291
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Fri 4/45:25 pmYYZ - SFO
Nonstop5h 42mUnited Airlines
Mon 4/288:30 amSFO - YYZ
Nonstop5h 00mUnited Airlines
Deal found 2/18$308
This Delta deal was found by Cheapflights users on 2/19. 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.
Thu 3/65:00 pmYYZ - SFO
1 stop10h 14mDelta
Tue 3/1112:11 pmSFO - YYZ
1 stop7h 48mDelta
Deal found 2/19$313
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Wed 3/193:30 pmYTZ - SFO
2 stops21h 00mMultiple Airlines
Fri 5/1610:15 amSFO - YTZ
2 stops29h 03mMultiple Airlines
Deal found 2/18$326
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 3/194:20 pmYYZ - SFO
2 stops18h 13mAlaska Airlines
Wed 3/2611:55 amSFO - YYZ
2 stops24h 00mAlaska Airlines
Deal found 2/19$354

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 February 20, 2025.

Fly from

Toronto

Fly to

San Francisco

Route

Depart

Return

Price

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Thu 5/8

6:00 am-1:59 pm

2 stops10h 59m

San Francisco

Fri 5/9

12:50 pm-12:41 am

1 stop8h 51m

$237

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 3/11

9:45 am-12:39 pm

Nonstop5h 54m

San Francisco

Tue 3/18

10:59 pm-5:55 am

1 stop27h 56m

$244

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Mon 6/9

6:00 am-12:05 pm

1 stop9h 05m

San Francisco

Thu 6/12

6:05 pm-12:46 am

1 stop27h 41m

$245

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 5/8

6:30 am-12:05 pm

1 stop8h 35m

San Francisco

Sun 5/11

7:30 am-6:54 pm

1 stop8h 24m

$247

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Thu 3/27

3:25 pm-9:51 pm

1 stop9h 26m

San Francisco

Thu 4/10

8:20 am-9:35 pm

1 stop10h 15m

$253

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 3/27

6:30 am-9:37 am

Nonstop6h 07m

San Francisco

Thu 4/10

11:40 am-7:40 pm

Nonstop5h 00m

$260

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 3/18

9:45 am-12:39 pm

Nonstop5h 54m

San Francisco

Tue 3/25

1:40 pm-9:42 pm

Nonstop5h 02m

$263

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Wed 3/19

8:35 pm-9:30 am

1 stop15h 55m

San Francisco

Fri 5/16

12:50 pm-12:46 am

1 stop8h 56m

$291

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 4/4

5:25 pm-8:07 pm

Nonstop5h 42m

San Francisco

Mon 4/28

8:30 am-4:30 pm

Nonstop5h 00m

$308

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 3/6

5:00 pm-12:14 am

1 stop10h 14m

San Francisco

Tue 3/11

12:11 pm-10:59 pm

1 stop7h 48m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 33 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 February 14, 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 $403). 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 February 20, 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 52% 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. Sunday afternoons 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 February 20, 2025.

The most flights from YTO to SFO are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 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 February 20, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Porter 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.
Alaska Airlines
8.0
Very good
9,691 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines
8.0
Very good
9,691 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Delta
8.0
Very good
8,227 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Porter Airlines
7.9
Good
276 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Air Transat
7.8
Good
380 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

United Airlines
7.4
Good
8,768 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

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 18 daily inbound flights from Toronto from 7 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 $237. Additional round-trip tickets that might be worth considering are offered by Air Canada and Porter Airlines, with the lowest prices starting at $253 and $266, respectively. WestJet is priced at 43% 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 $134. 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?

    While some choose either Toronto Island - San Francisco or Toronto Region of Waterloo Intl - San Francisco, Toronto Pearson Intl - San Francisco is the most popular route from Toronto to San Francisco.

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

    Consider Austrian Airlines (78%), Porter Airlines (64%) or Air Transat (64%) 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 $976, our data indicates the cheapest price to be $145. The most popular route (Toronto Pearson Intl - San Francisco), is priced around $187.

  • 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 $403). 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
Roseville
Mountain View
Turlock
Santa Cruz
Fairfield
Manteca
Sausalito
Watsonville
Hayward
Richmond
Hollister
South San Francisco
Antioch
Milpitas
Vallejo
Newark
Alameda
Campbell
Pacific Grove
Sunnyvale

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.
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Top 7 airlines flying from Toronto to San Francisco

Discover the top 7 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Lynx AirCheapest$114Average$233FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$262Average$373FlexibilityNo cancel feeOn-time50%
WestJetCheapest$263Average$433FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$283Average$462FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$291Average$456FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$320Average$541FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$410Average$475FlexibilityNo cancel feeOn-time71%
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