San Francisco

$178+ Cheap flights from Pearson Intl (YYZ) 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SFO
Feb 25 — Mar 41
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheapflights Tip: The best prices from Toronto Pearson Intl to San Francisco are usually found in March or April, booked 56 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Pearson Intl to San Francisco

Cheapest flights from Pearson Intl to San Francisco
Explore the most affordable flight options available from Pearson Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/23. 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 3/98:00 pm
YYZ
-
SFO
1 stop15h 46m
Multiple Airlines
Mon 3/168:09 pm
SFO
-
YYZ
1 stop7h 34m
Multiple Airlines
Deal found 1/23$261
This Trip.com deal was found by Cheapflights users on 1/25. 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.
Mon 5/46:15 am
YYZ
-
SFO
1 stop8h 45m
WestJet
Wed 5/61:00 pm
SFO
-
YYZ
1 stop9h 05m
WestJet
Deal found 1/25$262
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 2/279:35 am
YYZ
-
SFO
1 stop15h 08m
Multiple Airlines
Mon 3/29:03 am
SFO
-
YYZ
1 stop7h 52m
Multiple Airlines
Deal found 1/25$264
This Trip.com deal was found by Cheapflights users on 1/24. 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.
Sat 5/2312:00 pm
YYZ
-
SFO
2 stops12h 24m
WestJet
Tue 6/26:05 pm
SFO
-
YYZ
1 stop9h 47m
WestJet
Deal found 1/24$265
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 3/49:00 pm
YYZ
-
SFO
1 stop15h 30m
Multiple Airlines
Tue 3/247:32 pm
SFO
-
YYZ
1 stop21h 23m
Multiple Airlines
Deal found 1/24$266
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/269:50 am
YYZ
-
SFO
Nonstop5h 55m
Multiple Airlines
Tue 3/37:15 pm
SFO
-
YYZ
3 stops25h 23m
Multiple Airlines
Deal found 1/26$269
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/279:35 am
YYZ
-
SFO
1 stop14h 30m
Multiple Airlines
Sun 3/110:15 am
SFO
-
YYZ
1 stop18h 35m
Multiple Airlines
Deal found 1/26$272
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 5/209:00 am
YYZ
-
SFO
2 stops11h 14m
WestJet
Fri 5/296:05 pm
SFO
-
YYZ
1 stop9h 07m
WestJet
Deal found 1/24$273
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 2/2410:00 am
YYZ
-
SFO
2 stops25h 46m
Multiple Airlines
Mon 3/168:09 pm
SFO
-
YYZ
1 stop7h 34m
Multiple Airlines
Deal found 1/24$275

Find flight deals from Pearson Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Pearson Intl (YYZ) 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 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(Kiwi.com)

One-way from

$178
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$370

Good round-trip deal

$335 or less

Good one-way deal

$210 or less
Provider with most accurate pricing for Toronto Pearson Intl-San Francisco flight deals.
Provider most trusted by Cheapflights users for Toronto Pearson Intl-San Francisco flights.
From Toronto Pearson Intl to San Francisco
One-way flight from Toronto Pearson Intl to San Francisco
Highest demand for flights based on searches. 7% potential increase in price ($28 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Toronto Pearson Intl to San Francisco.
Price to beat on a one-way flight from Toronto Pearson Intl to San Francisco.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pearson Intl 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 26, 2026.
Use the filters below to find and compare flights from Toronto Pearson Intl Airport to San Francisco that are best for you.

Fly from

Pearson Intl

Fly to

San Francisco

Route

Depart

Return

Price

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 3/11

4:45 pm-10:37 am

1 stop20h 52m

San Francisco

Sun 3/15

6:30 am-3:35 pm

1 stop30h 05m

$336

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 2/18

6:30 am-9:40 am

Nonstop6h 10m

San Francisco

Tue 4/7

8:04 am-4:14 pm

Nonstop5h 10m

$337

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 3/7

4:45 pm-8:08 am

2 stops18h 23m

San Francisco

Mon 3/9

4:21 pm-3:35 pm

1 stop20h 14m

$351

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 2/25

6:30 am-9:40 am

Nonstop6h 10m

San Francisco

Mon 3/9

11:59 pm-9:58 am

1 stop6h 59m

$352

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 2/28

6:30 am-9:40 am

Nonstop6h 10m

San Francisco

Sun 3/1

11:31 pm-7:30 am

Nonstop4h 59m

$352

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 2/25

5:55 pm-8:55 pm

Nonstop6h 00m

San Francisco

Tue 3/3

5:10 am-3:02 pm

1 stop6h 52m

$352

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 2/25

6:30 am-9:40 am

Nonstop6h 10m

San Francisco

Thu 3/5

8:53 am-4:52 pm

Nonstop4h 59m

$352

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 2/26

6:30 am-9:40 am

Nonstop6h 10m

San Francisco

Wed 3/4

11:31 pm-7:30 am

Nonstop4h 59m

$352

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 4/18

6:30 am-9:23 am

Nonstop5h 53m

San Francisco

Sat 4/25

10:50 pm-11:49 am

1 stop9h 59m

$352

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 4/1

6:30 am-9:23 am

Nonstop5h 53m

San Francisco

Wed 4/8

8:04 am-4:14 pm

Nonstop5h 10m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 22 results
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Compare providers for flights from Pearson Intl 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 Pearson Intl to San Francisco in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice 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 Pearson Intl Airport-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 Pearson Intl Airport-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Toronto Pearson Intl Airport-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Toronto Pearson Intl Airport-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 Pearson Intl Airport-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 Pearson Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Pearson Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Toronto Pearson Intl Airport to San Francisco

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

Use this chart to determine the optimal time to book a round-trip flight from Pearson Intl to San Francisco. Price data was last updated on January 23, 2026.

The best time to book flights from Toronto Pearson Intl Airport to San Francisco is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to San Francisco (average of $180). Flying from Toronto Pearson Intl Airport to San Francisco in December is currently the most expensive (average of $253). 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 YYZ to SFO?

Find hourly flight availability from Pearson Intl 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 26, 2026.

A simple way to save on the total cost of your ticket is to fly from Toronto Pearson Intl Airport to San Francisco in the morning. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Pearson Intl to San Francisco. Price data was last updated on January 24, 2026.

Travelers seeking maximum savings on their Toronto Pearson Intl Airport to San Francisco flight should consider departing on Friday 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.

How much does it cost to fly round-trip from Toronto Pearson Intl Airport to San Francisco?

The best insider tips for Toronto Pearson Intl Airport to San Francisco flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Toronto Pearson Intl Airport to San Francisco trip
Our travel experts
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Daniel Scheffler

Daniel Scheffler

Expert on Porter Airlines

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Harriet Baskas

Harriet Baskas

Expert on United Airlines and SFO

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Miquel Ros

Miquel Ros

Expert on Air Transat

Originally from Barcelona, Miquel is an avid traveler fascinated by borders and airplanes, two topics that feature often in this work. Miquel writes regularly about travel and aviation for international media outlets such as CNN and AeroTime and runs Allplane.tv, a site and podcast focusing on innovation and sustainability in the aviation industry.

Kaitlyn McInnis

Kaitlyn McInnis

Expert on YYZ

Kaitlyn is a guidebook author and travel writer splitting her time between Atlantic Canada and Istanbul, Türkiye. She has visited over fifty countries and all seven continents, so she is very familiar with many hotels, airports and airlines around the globe. But her favorite type of vacation is sunbathing by the sea with a good book in hand.

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 26, 2026.
See what other customers who have flown with Porter Airlines, United Airlines, and American Airlines from Toronto Pearson Intl Airport to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Related info for your journey

Find useful and relevant information for your journey from Pearson Intl 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 Pearson Intl?

    San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly into when you book flights from Toronto Pearson Intl to San Francisco. 7 airlines have flights to San Francisco from Toronto Pearson Intl on a regular basis. Booking flights from Toronto Pearson Intl to San Francisco should not be difficult; the airport handles an average of 12 inbound flights from Toronto Pearson Intl per day.

  • How long is the flight from Toronto Pearson Intl Airport to San Francisco?

    Airlines like Alaska Airlines and United Airlines fly from Toronto Pearson Intl Airport to San Francisco in about 6h 10m. The time it takes to get you to your destination can typically vary by up to 14h 42m. The distance between Toronto Pearson Intl Airport and San Francisco is about 2253 mi. This flight may include one or multiple stops.

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

    WestJet, at $111, was found to be the cheapest airline from Toronto Pearson Intl Airport to San Francisco.Alternate airlines to your destination round-trip include Porter Airlines and Air Canada. WestJet is 69% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $110. However, be on the lookout for offers from Porter Airlines and Air Canada, as they are both options that can get you from Toronto Pearson Intl Airport to San Francisco for a low price.

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

    Before booking your flight to San Francisco from Toronto Pearson Intl Airport, check out the most reliable airlines to get you to your destination on time: Singapore Airlines (58%), American Airlines (55%), Porter Airlines( 55%).

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

    Looking at all options, your cheapest flight can be booked for $164. While the most popular route (Toronto Pearson Intl - San Francisco) can be booked for $237 on average, our data indicates $913 when flying from Toronto Pearson Intl Airport to San Francisco.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pearson Intl 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 Pearson Intl Airport to San Francisco?

    Currently, November is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to San Francisco (average of $180). Flying from Toronto Pearson Intl Airport to San Francisco in December is currently the most expensive (average of $253). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Cruz
Roseville
Santa Clara
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
Vacaville
San Carlos
San Ramon
Manteca
Vallejo
San Lorenzo
Davis
Hollister
Redwood City
Union City

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Top 7 airlines flying from Pearson Intl to San Francisco

Discover the top 7 airlines that operate flights from Pearson Intl 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 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$111Average$280FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$245Average$385FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$248Average$391FlexibilityNo cancel feeOn-time67%
DeltaCheapest$303Average$366FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$307Average$414FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$309Average$489FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$324Average$492FlexibilityNo cancel feeOn-time50%

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