San Francisco

$158+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SFO
Nov 26 — Dec 31
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 69 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 October 27, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$257
(Kiwi.com)

One-way from

$158
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$368

Good round-trip deal

$356 or less

Good one-way deal

$213 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 October 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 October 27, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Thu 12/189:35 amYYZ - SFO
1 stop25h 13mMultiple Airlines
Thu 1/88:43 amSFO - YYZ
1 stop19h 04mMultiple Airlines
Deal found 10/25$274
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Thu 12/49:35 amYYZ - SFO
1 stop13h 28mMultiple Airlines
Thu 12/1110:15 amSFO - YYZ
1 stop11h 23mMultiple Airlines
Deal found 10/25$277
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Thu 12/49:35 amYYZ - SFO
1 stop13h 28mMultiple Airlines
Sun 12/75:46 pmSFO - YYZ
1 stop9h 34mMultiple Airlines
Deal found 10/25$278
This Vliegwinkel deal was found by Cheapflights users on 10/24. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/209:45 amYYZ - SFO
Nonstop5h 55mPorter Airlines
Wed 11/261:40 pmSFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 10/24$282
This SmartFares deal was found by Cheapflights users on 10/24. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/229:45 amYYZ - SFO
Nonstop5h 55mPorter Airlines
Sat 11/291:40 pmSFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 10/24$284
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/199:45 amYYZ - SFO
Nonstop5h 55mPorter Airlines
Sat 11/291:40 pmSFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 10/27$285
This Trip.com deal was found by Cheapflights users on 10/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/129:45 amYYZ - SFO
Nonstop5h 55mMultiple Airlines
Sun 12/1410:15 amSFO - YYZ
1 stop10h 39mMultiple Airlines
Deal found 10/26$286
This SmartFares deal was found by Cheapflights users on 10/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:50 pmYYZ - SFO
Nonstop5h 49mAir Canada
Thu 12/118:30 amSFO - YYZ
Nonstop4h 58mAir Canada
Deal found 10/25$288
This Trip.com deal was found by Cheapflights users on 10/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:45 amYYZ - SFO
Nonstop5h 55mPorter Airlines
Mon 12/11:40 pmSFO - YYZ
Nonstop4h 59mPorter Airlines
Deal found 10/26$289
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:45 amYYZ - SFO
Nonstop5h 55mMultiple Airlines
Thu 12/410:15 amSFO - YYZ
1 stop17h 25mMultiple Airlines
Deal found 10/26$290

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 October 27, 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

Tue 12/2

5:55 pm-8:50 pm

Nonstop5h 55m

San Francisco

Wed 12/10

8:50 am-4:52 pm

Nonstop5h 02m

$314

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 11/27

6:30 am-9:35 am

Nonstop6h 05m

San Francisco

Thu 11/27

1:25 pm-11:46 pm

1 stop7h 21m

$334

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 11/21

5:55 pm-8:50 pm

Nonstop5h 55m

San Francisco

Sun 11/30

11:28 pm-7:30 am

Nonstop5h 02m

$334

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 12/5

4:10 pm-10:55 pm

1 stop9h 45m

San Francisco

Sat 12/6

12:43 am-2:20 pm

1 stop10h 37m

$340

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 12/9

6:12 pm-12:20 am

1 stop9h 08m

San Francisco

Tue 12/16

10:30 am-11:27 pm

2 stops9h 57m

$346

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 12/11

6:00 am-12:36 pm

1 stop9h 36m

San Francisco

Tue 1/6

6:32 pm-9:04 am

2 stops11h 32m

$361

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 12/2

4:45 pm-8:15 pm

1 stop30h 30m

San Francisco

Sat 12/6

11:36 am-3:35 pm

2 stops24h 59m

$364

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sun 12/14

9:45 am-12:40 pm

Nonstop5h 55m

San Francisco

Tue 12/30

1:40 pm-9:39 pm

Nonstop4h 59m

$372

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 12/9

9:45 am-12:40 pm

Nonstop5h 55m

San Francisco

Tue 12/30

1:40 pm-9:39 pm

Nonstop4h 59m

$372

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 12/3

1:30 pm-7:48 am

2 stops21h 18m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 18 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 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 Pearson Intl Airport-San Francisco flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Toronto Pearson Intl Airport-San Francisco flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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 October 24, 2025.

The best time to book flights from Toronto Pearson Intl Airport to San Francisco is 69 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, October is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to San Francisco (average of $165). Flying from Toronto Pearson Intl Airport to San Francisco in December is currently the most expensive (average of $264). 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 October 27, 2025.

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 October 26, 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. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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.

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.

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
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
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
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

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 October 27, 2025.
See what other customers who have flown with Porter Airlines, Air Transat, and United 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.

Crew

8.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Crew

8.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Crew

8.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Crew

8.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Crew

8.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Crew

8.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 16 inbound flights from Toronto Pearson Intl per day.

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

    Airlines like United Airlines fly from Toronto Pearson Intl Airport to San Francisco in about 5h 55m. The time it takes to get you to your destination is usually consistent. The distance between Toronto Pearson Intl Airport and San Francisco is about 2253 mi. All flights are typically nonstop.

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

    WestJet, at $172, 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 53% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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: Porter Airlines (89%), Air Transat (89%), United Airlines( 67%).

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

    Looking at all options, your cheapest flight can be booked for $167. While the most popular route (Toronto Pearson Intl - San Francisco) can be booked for $241 on average, our data indicates $1,216 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, October is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to San Francisco (average of $165). Flying from Toronto Pearson Intl Airport to San Francisco in December is currently the most expensive (average of $264). 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
South San Francisco
Santa Cruz
Livermore
Turlock
Watsonville
Sunnyvale
Santa Clara
Antioch
Manteca
Vallejo
Hollister
Vacaville
San Bruno
Foster City
Redwood City
Union City
Fairfield
Burlingame
Lodi

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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$172Average$280FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$253Average$405FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$268Average$389FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$288Average$496FlexibilityNo cancel feeOn-time71%
DeltaCheapest$308Average$375FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$319Average$489FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$338Average$404FlexibilityNo cancel feeOn-time50%

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.