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$206+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SFO
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from Toronto Pearson Intl to San Francisco are usually found in January or October, booked 32 days in advance, depart on a Thursday or Friday and return on a Wednesday

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 July 24, 2026.

This FlightHub deal was found by Cheapflights users on 7/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:45 am
YYZ
-
SFO
Nonstop5h 35m
Multiple Airlines
Mon 9/211:00 pm
SFO
-
YYZ
1 stop8h 10m
Multiple Airlines
Deal found 7/23$320
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:45 am
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Mon 9/141:20 pm
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 7/23$321
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sun 9/136:00 am
YYZ
-
SFO
1 stop9h 00m
WestJet
Tue 9/226:00 am
SFO
-
YYZ
2 stops10h 55m
WestJet
Deal found 7/23$322
This FlightHub deal was found by Cheapflights users on 7/22. 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.
Wed 9/99:45 am
YYZ
-
SFO
Nonstop5h 35m
Multiple Airlines
Thu 9/171:00 pm
SFO
-
YYZ
1 stop8h 10m
Multiple Airlines
Deal found 7/22$323
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Sun 9/63:50 pm
YYZ
-
SFO
1 stop9h 05m
WestJet
Tue 9/81:00 pm
SFO
-
YYZ
2 stops13h 10m
WestJet
Deal found 7/22$324
This FlightHub deal was found by Cheapflights users on 7/22. 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.
Tue 9/810:20 pm
YYZ
-
SFO
2 stops16h 40m
WestJet
Mon 9/141:00 pm
SFO
-
YYZ
2 stops13h 10m
WestJet
Deal found 7/22$325
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/96:00 am
YYZ
-
SFO
1 stop9h 00m
WestJet
Sat 9/121:00 pm
SFO
-
YYZ
1 stop8h 10m
WestJet
Deal found 7/22$326
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Wed 9/99:45 am
YYZ
-
SFO
Nonstop5h 35m
Multiple Airlines
Sun 9/201:00 pm
SFO
-
YYZ
1 stop8h 10m
Multiple Airlines
Deal found 7/23$327
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Fri 9/119:45 am
YYZ
-
SFO
Nonstop5h 35m
Multiple Airlines
Sun 9/131:00 pm
SFO
-
YYZ
1 stop8h 10m
Multiple Airlines
Deal found 7/23$328
This lastminute.com deal was found by Cheapflights users on 7/23. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:40 pm
YYZ
-
SFO
2 stops12h 15m
WestJet
Thu 9/106:00 am
SFO
-
YYZ
2 stops10h 55m
WestJet
Deal found 7/23$329
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/99:45 am
YYZ
-
SFO
Nonstop5h 35m
Multiple Airlines
Sun 9/131:00 pm
SFO
-
YYZ
1 stop8h 10m
Multiple Airlines
Deal found 7/22$330
This WestJet deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:50 am
YYZ
-
SFO
1 stop8h 50m
WestJet
Fri 9/186:00 am
SFO
-
YYZ
2 stops10h 55m
WestJet
Deal found 7/22$331

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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$320
(FlightHub)

One-way from

$206
(Justfly.com)

Popular in

July

Cheapest in

January

Average price

$473

Good round-trip deal

$442 or less

Good one-way deal

$301 or less
Provider with most accurate pricing for Toronto Pearson Intl-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto Pearson Intl-San Francisco flights.
Search Deals
From Toronto Pearson Intl to San Francisco
Search Deals
One-way flight from Toronto Pearson Intl 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 ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Toronto Pearson Intl to San Francisco.
Search Deals
Price to beat on a one-way flight from Toronto Pearson Intl to San Francisco.
Search Deals

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 24, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sun 9/6

6:30 am-9:08 am

Nonstop5h 38m

San Francisco

Tue 9/8

6:00 am-2:05 pm

Nonstop5h 05m

$420

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 10/26

9:50 am-12:45 pm

Nonstop5h 55m

San Francisco

Mon 11/9

1:45 pm-9:39 pm

Nonstop4h 54m

$433
Quickest round-trip

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 9/17

5:16 pm-7:52 pm

Nonstop5h 36m

San Francisco

Tue 9/29

4:40 pm-12:36 am

Nonstop4h 56m

$434

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 9/4

5:16 pm-7:52 pm

Nonstop5h 36m

San Francisco

Fri 9/11

9:13 pm-3:14 pm

1 stop15h 01m

$434

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 8/25

6:10 am-9:45 pm

1 stop18h 35m

San Francisco

Tue 8/25

12:45 am-2:24 pm

1 stop10h 39m

$435

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 1/13

5:10 pm-8:14 pm

Nonstop6h 04m

San Francisco

Tue 3/2

9:30 pm-2:11 pm

1 stop13h 41m

$435

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 12/24

7:40 pm-1:16 am

1 stop8h 36m

San Francisco

Thu 12/31

12:55 am-2:03 pm

1 stop10h 08m

$440

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 9/4

1:00 pm-6:24 pm

1 stop8h 24m

San Francisco

Mon 9/7

11:30 pm-9:54 am

1 stop7h 24m

$440

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 8/25

2:45 pm-9:47 pm

2 stops10h 02m

San Francisco

Tue 9/1

5:00 am-3:46 pm

1 stop7h 46m

$440

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 12/24

4:10 pm-10:43 pm

1 stop9h 33m

San Francisco

Thu 12/31

4:10 pm-9:47 am

1 stop14h 37m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 23 resultsSorted by cheapest first
1
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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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*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?

The best time to book flights from Toronto Pearson Intl Airport to San Francisco is 90 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 $348). Flying from Toronto Pearson Intl Airport to San Francisco in July is currently the most expensive (average of $473). 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 24, 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 45% on your trip compared to booking a flight in the afternoon.

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 18, 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. Sunday evenings 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?

Airfare is below average for this route at the moment.

Toronto Pearson Intl Airport to San Francisco flights typically cost between $390 and $588 in September.
The cheapest round-trip price found within the last 5 days was $320 on Multiple Airlines (Sep 10-Sep 21).

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.

Read more
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.

Read more
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.

Read more
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.

Read more
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.

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 July 24, 2026.
See what other customers who have flown with Porter Airlines,Air Transat, andUnited 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.
Porter Airlines
8.0
Very good
448 reviews

Comfort

8.0

Entertainment

6.9

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
448 reviews
Porter Airlines
8.0
Very good
448 reviews

Comfort

8.0

Entertainment

6.9

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Transat
7.8
Good
566 reviews
Porter Airlines
8.0
Very good
448 reviews

Comfort

8.0

Entertainment

6.9

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
United Airlines
7.4
Good
10,029 reviews
Porter Airlines
8.0
Very good
448 reviews

Comfort

8.0

Entertainment

6.9

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
WestJet
7.2
Good
3,416 reviews
Porter Airlines
8.0
Very good
448 reviews

Comfort

8.0

Entertainment

6.9

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,383 reviews
Porter Airlines
8.0
Very good
448 reviews

Comfort

8.0

Entertainment

6.9

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

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 11.0 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 21 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 and Porter Airlines fly from Toronto Pearson Intl Airport to San Francisco in about 5h 38m. 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 $118, was found to be the cheapest airline from Toronto Pearson Intl Airport to San Francisco.Alternate airlines to your destination round-trip include Delta and Air Canada. WestJet is 70% 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 $148. 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 (73%), American Airlines (69%), Porter Airlines( 69%).

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

    Looking at all options, your cheapest flight can be booked for $229. While the most popular route (Toronto Pearson Intl - San Francisco) can be booked for $309 on average, our data indicates $1,368 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 $348). Flying from Toronto Pearson Intl Airport to San Francisco in July is currently the most expensive (average of $473). 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 Clara
Santa Cruz
Fairfield
Roseville
Burlingame
Rancho Cordova
San Bruno
Cupertino
Emeryville
Newark
Watsonville
Hayward
Redwood City
San Carlos
San Ramon
Turlock
Vallejo
San Lorenzo
Davis

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 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$118Average$296FlexibilityNo cancel feeOn-time60%
DeltaCheapest$216Average$375FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$229Average$454FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$259Average$415FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$313Average$443FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$314Average$503FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$324Average$458FlexibilityNo cancel feeOn-time50%

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