Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Toronto Pearson Intl Airport to San Francisco from C$ 235

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SFO
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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

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 17 September 2025.

Round-trip from

C$ 371

One-way from

C$ 235

Popular in

December

Cheapest in

April

Average price

C$ 554

Good round-trip deal

C$ 608 or less

Good one-way deal

C$ 333 or less
WestJet
  • WestJet
  • 1/10-8/10
  • 3 total stops
  • 20h 56m total
  • Toronto to San Francisco
Search Deals
29/9
  • 29/9
  • 2 total stops
  • 25h 56m total
  • Toronto to San Francisco
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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

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 17 September 2025.

Fri 31/109:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Mon 10/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 15/9C$ 373
Fri 12/129:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Mon 15/121:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 15/9C$ 374
Mon 8/129:00 p.m.YYZ - SFO
1 stop15h 30mMultiple Airlines
Tue 16/121:00 p.m.SFO - YYZ
1 stop8h 26mMultiple Airlines
Deal found 16/9C$ 376
Thu 2/1010:20 p.m.YYZ - SFO
2 stops26h 04mWestJet
Sun 5/107:30 a.m.SFO - YYZ
2 stops14h 01mWestJet
Deal found 15/9C$ 377
Tue 14/1010:25 p.m.YYZ - SFO
1 stop16h 29mMultiple Airlines
Tue 21/1010:15 a.m.SFO - YYZ
1 stop9h 38mMultiple Airlines
Deal found 15/9C$ 378
Wed 15/109:45 a.m.YYZ - SFO
Nonstop5h 38mMultiple Airlines
Tue 21/1010:15 a.m.SFO - YYZ
1 stop9h 38mMultiple Airlines
Deal found 15/9C$ 380
Wed 29/109:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Mon 3/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 14/9C$ 381
Mon 29/96:30 a.m.YYZ - SFO
1 stop10h 27mWestJet
Wed 8/1012:50 p.m.SFO - YYZ
1 stop8h 32mWestJet
Deal found 17/9C$ 382
Fri 3/109:45 a.m.YYZ - SFO
Nonstop5h 38mMultiple Airlines
Wed 22/1010:15 a.m.SFO - YYZ
1 stop18h 00mMultiple Airlines
Deal found 15/9C$ 384
Wed 1/109:45 a.m.YYZ - SFO
Nonstop5h 38mMultiple Airlines
Wed 8/108:00 a.m.SFO - YYZ
1 stop8h 58mMultiple Airlines
Deal found 15/9C$ 385
Sat 27/91:30 p.m.YYZ - SFO
1 stop10h 54mWestJet
Fri 3/1012:50 p.m.SFO - YYZ
1 stop8h 32mWestJet
Deal found 15/9C$ 387
Fri 3/109:45 a.m.YYZ - SFO
Nonstop5h 38mMultiple Airlines
Sun 12/1010:15 a.m.SFO - YYZ
1 stop11h 28mMultiple Airlines
Deal found 15/9C$ 388

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 629,999 searches. Data last updated 17 September 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 31/10

6:20 a.m.-1:30 p.m.

1 stop10h 10m

San Francisco

Sun 2/11

7:15 a.m.-9:55 p.m.

1 stop11h 40m

C$ 450

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 29/9

9:45 a.m.-12:23 p.m.

Nonstop5h 38m

San Francisco

Wed 8/10

1:25 p.m.-9:24 p.m.

Nonstop4h 59m

C$ 459

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 23/10

6:30 a.m.-9:10 a.m.

Nonstop5h 40m

San Francisco

Mon 27/10

2:30 p.m.-10:28 p.m.

Nonstop4h 58m

C$ 459

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 16/10

10:25 p.m.-1:57 p.m.

1 stop18h 32m

San Francisco

Mon 20/10

7:30 a.m.-12:31 a.m.

2 stops14h 01m

C$ 468

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 24/11

9:52 a.m.-6:01 p.m.

1 stop11h 09m

San Francisco

Mon 5/1

6:00 a.m.-7:09 p.m.

1 stop10h 09m

C$ 487

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 3/10

1:20 p.m.-6:48 p.m.

1 stop8h 28m

San Francisco

Tue 21/10

12:35 a.m.-11:47 a.m.

1 stop8h 12m

C$ 495

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 9/10

11:52 a.m.-9:03 p.m.

1 stop12h 11m

San Francisco

Mon 13/10

10:57 p.m.-8:55 a.m.

1 stop6h 58m

C$ 495

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 15/10

6:15 a.m.-10:33 a.m.

1 stop7h 18m

San Francisco

Tue 21/10

12:35 a.m.-11:47 a.m.

1 stop8h 12m

C$ 495

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 18/10

9:45 a.m.-12:23 p.m.

Nonstop5h 38m

San Francisco

Sun 9/11

1:40 p.m.-9:37 p.m.

Nonstop4h 57m

C$ 501

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 15/10

10:25 p.m.-1:57 p.m.

2 stops42h 32m

San Francisco

Mon 20/10

7:30 a.m.-12:31 a.m.

2 stops14h 01m

C$ 503

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 24 results
1
2
3

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 12 September 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 C$ 276). Flying from Toronto Pearson Intl Airport to San Francisco in December is currently the most expensive (average of C$ 368). 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 17 September 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 54% on flights from Toronto Pearson Intl Airport to San Francisco by exploring options for tickets at noon.

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 14 September 2025.

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

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 17 September 2025.
Read reviews from past customers who have flown Porter Airlines,Air Transat, andUnited Airlines from Toronto Pearson Intl Airport to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
365 reviews
Check prices

Overall

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Entertainment

7.0

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.
Porter Airlines
7.9
Good
365 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Overall

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Entertainment

7.0

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.
Air Transat
7.7
Good
439 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Overall

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Entertainment

7.0

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.
United Airlines
7.4
Good
8,926 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Overall

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Entertainment

7.0

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.
WestJet
7.2
Good
3,095 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Overall

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Entertainment

7.0

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.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Overall

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Entertainment

7.0

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) is the airport you will fly into if you book a flight from Toronto Pearson Intl to San Francisco. You should not have trouble finding flights to San Francisco from Toronto Pearson Intl; the airport handles an average of 20 inbound flights from Toronto Pearson Intl per day. You should also have plenty of airline options to choose from since 8 airlines have flights to the San Francisco airport from Toronto Pearson Intl. It is only a 19.0 km journey from San Francisco (SFO) to San Francisco’s city centre.

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

    Airlines like Delta, Porter Airlines, and WestJet fly from Toronto Pearson Intl Airport to San Francisco in about 5h 38m. The time it takes to get you to your destination can typically vary by up to 12h 54m. There are 3626 km between Toronto Pearson Intl Airport and San Francisco. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Currently priced at C$ 256, American Airlines will fly you from Toronto Pearson Intl Airport to San Francisco and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from WestJet and Delta - these airlines can fly you to your destination from C$ 293 and C$ 297, respectively. American Airlines is 50% 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?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 256. Users have also found prices from C$ 257 and C$ 261 on Porter Airlines and Alaska Airlines, respectively.

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

    Consider Porter Airlines (86%), Air Transat (86%) or Singapore Airlines (62%) when booking your flight. These represent the most reliable airlines when flying from Toronto Pearson Intl Airport to San Francisco.

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

    Looking at all options, your cheapest flight can be booked for C$ 240. While the most popular route (Toronto Pearson Intl - San Francisco) can be booked for C$ 292 on average, our data indicates C$ 1,423 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 C$ 276). Flying from Toronto Pearson Intl Airport to San Francisco in December is currently the most expensive (average of C$ 368). 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

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Richmond
Newark
Alameda
Redwood City
Burlingame
San Bruno
South San Francisco
Scotts Valley
Belmont
Novato
Millbrae
Santa Clara
Vallejo

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.

Fly from Pearson Intl to San Francisco on these airlines

Choose from the following airlines for your flight from Pearson Intl to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 17 September 2025.
Air Canada flights from Toronto Pearson Intl to San Francisco
WestJet flights from Toronto Pearson Intl to San Francisco
United Airlines flights from Toronto Pearson Intl to San Francisco

Top 8 airlines flying from Pearson Intl to San Francisco

Discover the top 8 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 629,999 searches. Data last updated 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 256AverageC$ 571FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 293AverageC$ 390FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 297AverageC$ 477FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 345AverageC$ 485FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 357AverageC$ 530FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapestC$ 420AverageC$ 600FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air TransatCheapestC$ 424AverageC$ 510FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 428AverageC$ 598FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Pearson Intl to San Francisco?

Cheapflights helps you search for flights from Pearson Intl to San Francisco via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Pearson Intl to San Francisco?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Francisco from Pearson Intl.

Can Cheapflights find flights from Pearson Intl to San Francisco with no change fees?

Certainly. Search results for flights to San Francisco from Pearson Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Pearson Intl to San Francisco become cheaper?

Yes, Cheapflights offers price alerts on Pearson Intl to San Francisco flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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.