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Cheap flights from Toronto Pearson Intl Airport to San Francisco from C$ 221

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SFO
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

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 Saturday and return on a Tuesday

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 27 October 2025.

Round-trip from

C$ 360

One-way from

C$ 221

Popular in

December

Cheapest in

March

Average price

C$ 515

Good round-trip deal

C$ 525 or less

Good one-way deal

C$ 356 or less
22/1-12/2
  • 22/1-12/2
  • 2 total stops
  • 36h 31m total
  • Toronto to San Francisco
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3/12
  • 3/12
  • 1 total stop
  • 10h 16m total
  • Toronto to San Francisco
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Highest demand for flights based on searches. 6% potential increase in price (C$ 54 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Toronto Pearson Intl to San Francisco.
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Price to beat on a one-way flight from Toronto Pearson Intl to San Francisco.
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Find flight deals from Pearson Intl to San Francisco

Enter your travel dates to find the best prices.

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 27 October 2025.

Thu 18/129:35 a.m.YYZ - SFO
1 stop25h 13mMultiple Airlines
Thu 8/18:43 a.m.SFO - YYZ
1 stop19h 04mMultiple Airlines
Deal found 25/10C$ 383
Thu 4/129:35 a.m.YYZ - SFO
1 stop13h 28mMultiple Airlines
Thu 11/1210:15 a.m.SFO - YYZ
1 stop11h 23mMultiple Airlines
Deal found 25/10C$ 388
Thu 4/129:35 a.m.YYZ - SFO
1 stop13h 28mMultiple Airlines
Mon 8/124:59 p.m.SFO - YYZ
1 stop10h 21mMultiple Airlines
Deal found 26/10C$ 389
Thu 20/119:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Wed 26/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 24/10C$ 395
Wed 26/119:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Sat 29/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 24/10C$ 397
Fri 12/129:45 a.m.YYZ - SFO
Nonstop5h 55mMultiple Airlines
Sun 14/1210:15 a.m.SFO - YYZ
1 stop10h 39mMultiple Airlines
Deal found 26/10C$ 400
Thu 13/119:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Mon 17/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 23/10C$ 403
Tue 25/119:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Mon 1/121:40 p.m.SFO - YYZ
Nonstop4h 59mPorter Airlines
Deal found 26/10C$ 404
Fri 14/119:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Mon 17/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 24/10C$ 406
Tue 9/129:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Sat 13/121:40 p.m.SFO - YYZ
Nonstop4h 59mPorter Airlines
Deal found 24/10C$ 409

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 27 October 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 5/12

9:45 a.m.-12:40 p.m.

Nonstop5h 55m

San Francisco

Sun 7/12

1:40 p.m.-9:39 p.m.

Nonstop4h 59m

C$ 397

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 8/1

5:55 p.m.-8:53 p.m.

Nonstop5h 58m

San Francisco

Mon 12/1

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

Nonstop4h 58m

C$ 439

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 2/12

5:55 p.m.-8:50 p.m.

Nonstop5h 55m

San Francisco

Thu 11/12

8:30 a.m.-4:28 p.m.

Nonstop4h 58m

C$ 439

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sun 23/11

9:45 a.m.-12:40 p.m.

Nonstop5h 55m

San Francisco

Sun 7/12

8:43 a.m.-6:20 a.m.

1 stop18h 37m

C$ 439

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 11/12

7:55 p.m.-7:48 a.m.

1 stop14h 53m

San Francisco

Thu 18/12

1:29 p.m.-6:20 a.m.

1 stop13h 51m

C$ 465

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 5/12

6:30 a.m.-9:35 a.m.

Nonstop6h 05m

San Francisco

Sat 6/12

12:43 a.m.-10:37 p.m.

1 stop18h 54m

C$ 467

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 23/1

5:55 p.m.-8:53 p.m.

Nonstop5h 58m

San Francisco

Fri 13/2

10:50 p.m.-2:01 p.m.

1 stop12h 11m

C$ 467

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 30/1

5:55 p.m.-8:53 p.m.

Nonstop5h 58m

San Francisco

Sat 7/2

12:43 a.m.-2:20 p.m.

1 stop10h 37m

C$ 467

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 22/11

6:30 a.m.-9:35 a.m.

Nonstop6h 05m

San Francisco

Mon 24/11

8:55 p.m.-3:02 p.m.

1 stop15h 07m

C$ 467

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 17/12

9:45 a.m.-12:40 p.m.

Nonstop5h 55m

San Francisco

Fri 2/1

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

Nonstop4h 57m

C$ 472

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Showing 1-10 of 21 results
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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 24 October 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 C$ 231). Flying from Toronto Pearson Intl Airport to San Francisco in December is currently the most expensive (average of C$ 369). 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 27 October 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 51% 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 19 October 2025.

Travelers seeking maximum savings on their Toronto Pearson Intl Airport to San Francisco flight should consider departing on Thursday at noon when fares are most often at their lowest. Tuesday at noon 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 27 October 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
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.6

Comfort

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.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.6

Comfort

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.
Air Transat
7.8
Good
469 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.6

Comfort

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.
United Airlines
7.4
Good
8,999 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.6

Comfort

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.
WestJet
7.2
Good
3,147 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.6

Comfort

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.
Air Canada
7.1
Good
10,367 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.6

Comfort

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) 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 16 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 Porter 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. There are 3626 km between Toronto Pearson Intl Airport and San Francisco. Most flights are nonstop.

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

    Currently priced at C$ 243, 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$ 296 and C$ 302, respectively. American Airlines 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?

    Consider Porter Airlines (89%), Air Transat (89%) or United Airlines (67%) 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$ 224. While the most popular route (Toronto Pearson Intl - San Francisco) can be booked for C$ 337 on average, our data indicates C$ 1,846 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 C$ 231). Flying from Toronto Pearson Intl Airport to San Francisco in December is currently the most expensive (average of C$ 369). 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
Novato
Santa Clara
Vallejo

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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 27 October 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 27 October 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 243AverageC$ 548FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 296AverageC$ 396FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 302AverageC$ 485FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 341AverageC$ 489FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 358AverageC$ 532FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 417AverageC$ 525FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Alaska AirlinesCheapestC$ 428AverageC$ 672FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 436AverageC$ 592FlexibilityNo 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.

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