San Francisco

$179+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SFO
Aug 3 — Aug 101
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pearson Intl to San Francisco with Cheapflights

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Toronto Pearson Intl to San Francisco are usually found in March or April, booked 75 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap 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 July 29, 2025.

Round-trip from

$278
(CheapOair)

One-way from

$179
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$397

Good round-trip deal

$399 or less

Good one-way deal

$239 or less
From Toronto Pearson Intl to San Francisco
One-way flight from Toronto Pearson Intl to San Francisco
Highest demand for flights based on searches. 8% potential increase in price ($36 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in July 2025
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.

Find 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 July 29, 2025.

This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2611:00 amYYZ - SFO
1 stop9h 14mWestJet
Sun 9/2812:50 pmSFO - YYZ
1 stop8h 32mWestJet
Deal found 7/29$278
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 9/1510:40 amYYZ - SFO
1 stop10h 27mMultiple Airlines
Tue 9/1610:15 amSFO - YYZ
1 stop9h 38mMultiple Airlines
Deal found 7/28$279
This FlightHub deal was found by Cheapflights users on 7/27. 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.
Sat 9/279:45 amYYZ - SFO
Nonstop5h 38mPorter Airlines
Sun 1/111:40 pmSFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 7/27$325
This Booking.com deal was found by Cheapflights users on 7/27. 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 8/284:25 pmYYZ - SFO
Nonstop5h 33mAir Canada
Wed 9/37:25 amSFO - YYZ
Nonstop4h 56mAir Canada
Deal found 7/27$327

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 July 29, 2025.
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

Fri 9/26

11:00 am-5:14 pm

1 stop9h 14m

San Francisco

Sun 9/28

7:30 am-6:52 pm

1 stop8h 22m

$278

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 9/15

10:40 am-6:07 pm

1 stop10h 27m

San Francisco

Tue 9/16

10:15 am-10:53 pm

1 stop9h 38m

$279

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 9/27

9:45 am-12:23 pm

Nonstop5h 38m

San Francisco

Sun 1/11

1:40 pm-9:37 pm

Nonstop4h 57m

$325

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 8/28

4:25 pm-6:58 pm

Nonstop5h 33m

San Francisco

Wed 9/3

7:25 am-3:21 pm

Nonstop4h 56m

$327

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 10/2

8:05 pm-7:52 am

1 stop14h 47m

$179

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sun 9/7

1:30 pm-9:24 pm

1 stop10h 54m

$180

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 10/30

9:45 am-12:40 pm

Nonstop5h 55m

$181

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 11/1

2:10 pm-10:30 am

2 stops23h 20m

$189

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sun 8/31

9:45 am-12:23 pm

Nonstop5h 38m

$197

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 8/25

4:25 pm-6:58 pm

Nonstop5h 33m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 14 results
1
2

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Toronto Pearson Intl Airport to San Francisco trip
Airlines
Air Canada

Preferred Seats offer extra space in exit rows, available for a fee or free for certain members.


Signature Class provides lie-flat seats and access to exclusive lounges for a luxury experience.

Read more about Air Canadaby Jessica Macdonald
Porter Airlines

PorterReserve offers extra legroom and premium snacks with early boarding and two checked bags.


Free Wi-Fi and streaming entertainment available on long-haul flights using personal devices.

Air Transat

Consider Club Class for spacious seats, meals, and priority boarding at a lower cost than full-service airlines.


Upgrade bids offer a chance for affordable upgrades to Club Class, though not guaranteed.

United Airlines

Polaris Class offers lie-flat seats and access to exclusive lounges for premium comfort.


Basic Economy restricts carry-on bags; exceptions for MileagePlus members and select routes.

Airports
YYZ

Toronto Pearson offers fast and reliable Wi-Fi throughout the airport, perfect for staying connected before your flight.

Read more about YYZby Kaitlyn McInnis
SFO

For a budget-friendly trip to downtown San Francisco, take BART from SFO. It takes about 40 minutes and is the least expensive option.

Read more about SFOby Harriet Baskas
Our travel experts
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Jessica Macdonald

Jessica Macdonald

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.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Porter Airlines

Daniel Scheffler

Daniel Scheffler

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.

Read more
Miquel Ros

Miquel Ros

Expert on Air Transat

Miquel Ros

Miquel Ros

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.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines and SFO

Harriet Baskas

Harriet Baskas

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.

Read more
Kaitlyn McInnis

Kaitlyn McInnis

Expert on YYZ

Kaitlyn McInnis

Kaitlyn McInnis

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.

Read more

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 July 25, 2025.

The best time to book flights from Toronto Pearson Intl Airport to San Francisco is 75 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, January is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to San Francisco (average of $276). Flying from Toronto Pearson Intl Airport to San Francisco in June is currently the most expensive (average of $358). 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 July 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Toronto Pearson Intl Airport to San Francisco at noon. If you’re flexible enough to do this you can expect to save up to 54% 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 July 27, 2025.

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. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Toronto Pearson Intl Airport to San Francisco

Explore weekly flight availability from Pearson Intl 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 July 29, 2025.

The most flights from YYZ to SFO are scheduled on a Monday (18 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (7 on average).

What’s the top layover airport for flights from Toronto Pearson Intl Airport to San Francisco?

Share of 1-stop round-trip flights from Toronto Pearson Intl Airport to San Francisco chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 67% of 1-stop itineraries from Toronto Pearson Intl Airport to San Francisco on Cheapflights.

What’s the cheapest layover airport for flights from Toronto Pearson Intl Airport to San Francisco?

Average round-trip fare for 1-stop flights from Toronto Pearson Intl Airport to San Francisco, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of $268.

What’s the fastest layover option from Toronto Pearson Intl Airport to San Francisco?

Shortest average travel time for 1-stop one-way flights from Toronto Pearson Intl Airport to San Francisco, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Calgary (YYC) have the shortest average one-way travel time for 1-stop routes: 4h 16m.

Which airport typically offers the quickest layover for flights from Toronto Pearson Intl Airport to San Francisco?

Average layover duration for 1-stop one-way flights from Toronto Pearson Intl Airport to San Francisco, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 26m.

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 July 29, 2025.
See what other customers who have flown with Alaska Airlines, Porter Airlines, and Delta 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.

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 15 inbound flights from Toronto Pearson Intl per day.

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

    WestJet, at $278, 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 27% 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 $180. However, be on the lookout for offers from Porter Airlines and Flair Airlines, 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 (79%), Porter Airlines (79%), Air Transat( 79%).

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

    Looking at all options, your cheapest flight can be booked for $175. While the most popular route (Toronto Pearson Intl - San Francisco) can be booked for $245 on average our data indicates $1,509 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, January is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to San Francisco (average of $276). Flying from Toronto Pearson Intl Airport to San Francisco in June is currently the most expensive (average of $358). 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
Roseville
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Manteca
Antioch
Hollister
Watsonville
Sunnyvale
Newark
Milpitas
Campbell
Foster City
Capitola
Santa Clara
San Leandro
Burlingame
Redwood City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$174Average$280FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$250Average$459FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$266Average$392FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$288Average$475FlexibilityNo cancel feeOn-time71%
DeltaCheapest$308Average$383FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$310Average$365FlexibilityNo cancel feeOn-time50%
United AirlinesCheapest$334Average$492FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.