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Cheap flights from Toronto Pearson Intl Airport to San Francisco from C$ 307

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SFO
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags
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 Friday or Thursday and return on a Thursday

Cheap 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 4 August 2026.

Thu 3/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Thu 10/91:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 31/7C$ 435
Thu 3/912:00 p.m.
YYZ
-
SFO
2 stops12h 55m
WestJet
Thu 10/96:00 a.m.
SFO
-
YYZ
2 stops10h 55m
WestJet
Deal found 31/7C$ 437
Mon 14/98:35 p.m.
YYZ
-
SFO
1 stop14h 39m
Multiple Airlines
Mon 21/92:28 p.m.
SFO
-
YYZ
1 stop13h 11m
Multiple Airlines
Deal found 31/7C$ 439
Thu 3/99:00 a.m.
YYZ
-
SFO
1 stop10h 40m
WestJet
Wed 9/96:00 a.m.
SFO
-
YYZ
2 stops10h 55m
WestJet
Deal found 2/8C$ 441
Thu 3/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Multiple Airlines
Wed 9/96:00 a.m.
SFO
-
YYZ
2 stops12h 35m
Multiple Airlines
Deal found 1/8C$ 445
Wed 16/99:55 a.m.
YYZ
-
SFO
1 stop11h 29m
Multiple Airlines
Wed 23/96:00 a.m.
SFO
-
YYZ
2 stops10h 55m
Multiple Airlines
Deal found 30/7C$ 446
Wed 16/99:55 a.m.
YYZ
-
SFO
1 stop11h 29m
Multiple Airlines
Thu 24/96:00 a.m.
SFO
-
YYZ
2 stops10h 55m
Multiple Airlines
Deal found 30/7C$ 448
Wed 16/99:00 a.m.
YYZ
-
SFO
1 stop10h 40m
WestJet
Wed 23/96:00 a.m.
SFO
-
YYZ
2 stops12h 35m
WestJet
Deal found 2/8C$ 449
Thu 17/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Multiple Airlines
Tue 22/96:00 a.m.
SFO
-
YYZ
2 stops10h 55m
Multiple Airlines
Deal found 30/7C$ 451

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 4 August 2026.

Round-trip from

C$ 435

One-way from

C$ 307

Popular in

December

Cheapest in

January

Average price

C$ 629

Good round-trip deal

C$ 640 or less

Good one-way deal

C$ 396 or less
Porter Airlines
  • Porter Airlines
  • 3/9-10/9
  • Nonstop
  • 10h 40m total
  • Toronto to San Francisco
Search Deals
21/9
  • 21/9
  • 2 total stops
  • 12h 46m total
  • Toronto to San Francisco
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 629,999 searches. Data last updated 4 August 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
Quickest round-trip

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 9/9

9:45 a.m.-12:20 p.m.

Nonstop5h 35m

San Francisco

Tue 13/10

1:20 p.m.-9:25 p.m.

Nonstop5h 05m

C$ 508

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 2/9

5:50 p.m.-11:07 p.m.

1 stop8h 17m

San Francisco

Wed 9/9

10:59 p.m.-8:53 a.m.

1 stop6h 54m

C$ 522

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 17/9

2:24 p.m.-9:49 p.m.

1 stop10h 25m

San Francisco

Sat 19/9

6:00 a.m.-5:20 p.m.

1 stop8h 20m

C$ 522

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 18/9

5:15 p.m.-12:30 a.m.

1 stop10h 15m

San Francisco

Mon 21/9

10:45 p.m.-6:41 a.m.

Nonstop4h 56m

C$ 559

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 28/8

6:10 a.m.-12:14 p.m.

1 stop9h 04m

San Francisco

Sat 5/9

10:45 p.m.-6:40 a.m.

Nonstop4h 55m

C$ 560

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 2/11

6:10 p.m.-10:28 p.m.

1 stop7h 18m

San Francisco

Mon 16/11

10:59 p.m.-8:55 a.m.

1 stop6h 56m

C$ 563

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 22/8

1:00 p.m.-6:44 p.m.

1 stop8h 44m

San Francisco

Sun 6/9

10:45 p.m.-6:40 a.m.

Nonstop4h 55m

C$ 571

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 26/8

6:30 a.m.-9:08 a.m.

Nonstop5h 38m

San Francisco

Mon 31/8

10:51 p.m.-7:00 a.m.

Nonstop5h 09m

C$ 590

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 21/10

6:30 a.m.-9:08 a.m.

Nonstop5h 38m

San Francisco

Tue 27/10

7:51 p.m.-9:47 a.m.

2 stops10h 56m

C$ 608

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 2/9

5:16 p.m.-7:52 p.m.

Nonstop5h 36m

San Francisco

Tue 8/9

10:35 p.m.-9:54 a.m.

1 stop8h 19m

C$ 608

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 22 resultsSorted by cheapest first
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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?

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 C$ 489). Flying from Toronto Pearson Intl Airport to San Francisco in December is currently the most expensive (average of C$ 649). 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 4 August 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 70% on flights from Toronto Pearson Intl Airport to San Francisco by exploring options for tickets in the morning.

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 1 August 2026.

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 at noon 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 C$ 535 and C$ 828 in September.
The cheapest round-trip price found within the last 5 days was C$ 435 on Porter Airlines (3 Sep-10 Sep).

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 4 August 2026.
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
450 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.5

Entertainment

6.9

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
450 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.5

Entertainment

6.9

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
569 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.5

Entertainment

6.9

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
10,059 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.5

Entertainment

6.9

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
3,426 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.5

Entertainment

6.9

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
11,426 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.5

Entertainment

6.9

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) 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 21 inbound flights from Toronto Pearson Intl per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the San Francisco airport from Toronto Pearson Intl. It is only a 17.7 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 and Delta fly from Toronto Pearson Intl Airport to San Francisco in about 5h 35m. The time it takes to get you to your destination can typically vary by up to 2h 42m. 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$ 289, Delta will fly you from Toronto Pearson Intl Airport to San Francisco and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from WestJet and Porter Airlines - these airlines can fly you to your destination from C$ 298 and C$ 319, respectively. Delta is 48% 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$ 179. Users have also found prices from C$ 216 and C$ 228 on Porter Airlines and Air Transat, respectively.

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

    Consider Singapore Airlines (75%), American Airlines (66%) or Porter Airlines (66%) 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$ 244. While the most popular route (Toronto Pearson Intl - San Francisco) can be booked for C$ 456 on average, our data indicates C$ 2,773 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$ 489). Flying from Toronto Pearson Intl Airport to San Francisco in December is currently the most expensive (average of C$ 649). 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
Santa Clara
Burlingame
San Bruno
Roseville
Livermore
South San Francisco
Novato
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 4 August 2026.
Air Canada flights from Toronto Pearson Intl to San Francisco
United Airlines flights from Toronto Pearson Intl to San Francisco
WestJet flights from Toronto Pearson Intl to San Francisco

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 629,999 searches. Data last updated 4 August 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 289AverageC$ 558FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 298AverageC$ 406FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 319AverageC$ 511FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 354AverageC$ 722FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air TransatCheapestC$ 372AverageC$ 581FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 386AverageC$ 621FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 471AverageC$ 641FlexibilityNo 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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