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Cheap flights from Toronto Pearson Intl Airport to San Francisco from £131

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 2/11. 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 Saturday 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 17 September 2025.

Round-trip from

£205

One-way from

£131

Popular in

December

Cheapest in

April

Average price

£295

Good round-trip deal

£200 or less
15/10-19/10
  • 15/10-19/10
  • 2 total stops
  • 42h 33m total
  • Toronto to San Francisco
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Porter Airlines
  • Porter Airlines
  • 2/11
  • Nonstop
  • 5h 55m total
  • Toronto to San Francisco
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Highest demand for flights based on searches. 8% potential increase in price (£19 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Toronto Pearson Intl to San Francisco.
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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.

Wed 15/1019:45YYZ - SFO
1 stop18h 10mMultiple Airlines
Sun 19/1010:15SFO - YYZ
1 stop24h 23mMultiple Airlines
Deal found 15/9£205
Fri 24/1013:30YYZ - SFO
1 stop10h 54mWestJet
Fri 31/1013:00SFO - YYZ
1 stop8h 26mWestJet
Deal found 15/9£207
Thu 30/1018:30YYZ - SFO
1 stop20h 42mWestJet
Thu 6/1113:00SFO - YYZ
1 stop8h 26mWestJet
Deal found 15/9£226
Tue 30/912:00YYZ - SFO
2 stops12h 24mWestJet
Wed 8/1007:30SFO - YYZ
2 stops14h 01mWestJet
Deal found 16/9£227
Wed 15/1009:45YYZ - SFO
Nonstop5h 38mPorter Airlines
Sun 19/1013:25SFO - YYZ
Nonstop4h 59mPorter Airlines
Deal found 15/9£228
Fri 24/1008:05YYZ - SFO
Nonstop5h 28mAir Canada
Fri 31/1012:00SFO - YYZ
Nonstop4h 58mAir Canada
Deal found 15/9£229
Tue 30/913:30YYZ - SFO
1 stop10h 54mWestJet
Fri 10/1007:30SFO - YYZ
1 stop20h 22mWestJet
Deal found 15/9£237
Fri 17/1006:30YYZ - SFO
Nonstop5h 40mUnited Airlines
Tue 21/1009:58SFO - YYZ
Nonstop4h 57mUnited Airlines
Deal found 15/9£238

Cheapflights Fare Finder

 
Customise 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 858,174 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

Tue 30/9

13:30-21:24

1 stop10h 54m

San Francisco

Fri 10/10

07:30-06:52

1 stop20h 22m

£237

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 31/10

06:20-13:30

1 stop10h 10m

San Francisco

Sun 2/11

07:15-21:55

1 stop11h 40m

£240

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 29/9

09:45-12:23

Nonstop5h 38m

San Francisco

Wed 8/10

13:25-21:24

Nonstop4h 59m

£245

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 23/10

06:30-09:10

Nonstop5h 40m

San Francisco

Mon 27/10

14:30-22:28

Nonstop4h 58m

£245

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 16/10

22:25-13:57

1 stop18h 32m

San Francisco

Mon 20/10

07:30-00:31

2 stops14h 01m

£249

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 13/11

16:45-22:41

1 stop8h 56m

San Francisco

Mon 17/11

18:59-15:35

2 stops17h 36m

£251

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 17/10

06:30-13:57

1 stop10h 27m

San Francisco

Mon 20/10

07:30-06:12

1 stop19h 42m

£254

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 15/10

06:10-16:30

1 stop13h 20m

San Francisco

Tue 21/10

00:43-14:30

1 stop10h 47m

£257

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 8/12

09:45-12:40

Nonstop5h 55m

San Francisco

Tue 16/12

13:40-21:37

Nonstop4h 57m

£259

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 29/9

18:07-23:57

1 stop8h 50m

San Francisco

Tue 7/10

00:35-11:47

1 stop8h 12m

£260

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 23 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 return 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 return 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, February is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to San Francisco (average of £538). Flying from Toronto Pearson Intl Airport to San Francisco in July is currently the most expensive (average of £803). 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.

It’s optimal to fly from Toronto Pearson Intl Airport to San Francisco in the morning. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight in the afternoon.

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?

    For a flight from Toronto Pearson Intl to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 19 inbound flights from Toronto Pearson Intl per day. 0 airlines have flights to San Francisco from Toronto Pearson Intl on a regular basis.

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

    Airlines like WestJet, Delta, 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 can typically vary by up to 5h 16m. The distance between Toronto Pearson Intl Airport and San Francisco is about 2253 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Toronto Pearson Intl Airport to San Francisco one-way?

    The cheapet airlines for a one-way flight from Toronto Pearson Intl Airport to San Francisco are United Airlines (£137), Alaska Airlines (£142), and Delta (£149).

  • 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 (86%), Air Transat (86%), Singapore Airlines( 62%).

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

    While on average a flight from Toronto Pearson Intl Airport to San Francisco is generally £582, our data shows the cheapest flight currently is £200. When looking at the most popular route, (Toronto Pearson Intl - San Francisco), you can expect to pay £200 for that flight.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to San Francisco (average of £538). Flying from Toronto Pearson Intl Airport to San Francisco in July is currently the most expensive (average of £803). 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?

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Bodega Bay
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Alternative routes for Pearson Intl to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Pearson Intl to San Francisco.

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

Need flexible booking options for your flight to San Francisco from Pearson Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from Pearson Intl today and book when prices fit your budget.

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