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Cheap flights from Toronto Pearson Intl Airport to San Francisco from £143

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 27/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SFO
20 Jan — 27 Jan1
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 Saturday or Monday and return on a Monday

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 21 December 2025.

Sun 21/1216:45YYZ - SFO
1 stop9h 09mAlaska Airlines
Thu 8/109:00SFO - YYZ
1 stop27h 35mAlaska Airlines
Deal found 18/12£411
Sat 27/1208:05YYZ - SFO
Nonstop5h 45mUnited Airlines
Sat 10/108:49SFO - YYZ
Nonstop5h 03mUnited Airlines
Deal found 20/12£420
Sun 28/1210:45YYZ - SFO
Nonstop5h 45mUnited Airlines
Mon 12/114:30SFO - YYZ
Nonstop4h 58mUnited Airlines
Deal found 21/12£422
Sat 20/1214:45YYZ - SFO
1 stop13h 32mUnited Airlines
Sun 11/123:59SFO - YYZ
1 stop8h 21mUnited Airlines
Deal found 19/12£457
Sun 21/1217:10YYZ - SFO
1 stop9h 49mDelta
Sat 10/105:45SFO - YYZ
1 stop10h 23mDelta
Deal found 20/12£462
Thu 25/1209:45YYZ - SFO
Nonstop5h 55mPorter Airlines
Sun 4/113:45SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 20/12£483
Mon 29/1214:50YYZ - SFO
1 stop11h 15mUnited Airlines
Sun 25/109:10SFO - YYZ
2 stops11h 49mUnited Airlines
Deal found 21/12£484
Wed 24/1212:09YYZ - SFO
1 stop9h 26mDelta
Sat 10/116:03SFO - YYZ
2 stops16h 17mDelta
Deal found 20/12£493

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 21 December 2025.

Round-trip from

£213

One-way from

£143

Popular in

December

Cheapest in

March

Average price

£349
Porter Airlines
  • Porter Airlines
  • 17/4-20/4
  • Nonstop
  • 10h 52m total
  • Toronto to San Francisco
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Alaska Airlines
  • Alaska Airlines
  • 27/2
  • 1 total stop
  • 33h 11m total
  • Toronto to San Francisco
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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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 21 December 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 13/1

16:45-14:00

1 stop24h 15m

San Francisco

Tue 20/1

16:46-15:35

1 stop19h 49m

£215

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 20/4

09:50-12:45

Nonstop5h 55m

San Francisco

Wed 29/4

13:45-21:42

Nonstop4h 57m

£217

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 14/1

16:45-23:03

1 stop9h 18m

San Francisco

Sat 17/1

16:46-15:35

1 stop19h 49m

£220

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 29/1

16:45-23:03

1 stop9h 18m

San Francisco

Mon 2/2

19:40-15:35

1 stop16h 55m

£220

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 5/2

16:45-23:03

1 stop9h 18m

San Francisco

Tue 17/2

11:34-15:35

1 stop25h 01m

£220

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 26/5

09:45-12:23

Nonstop5h 38m

San Francisco

Sun 7/6

13:25-21:29

Nonstop5h 04m

£224

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 27/1

09:50-12:43

Nonstop5h 53m

San Francisco

Thu 29/1

13:45-21:42

Nonstop4h 57m

£224

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 28/4

09:50-12:45

Nonstop5h 55m

San Francisco

Wed 6/5

13:25-21:29

Nonstop5h 04m

£236

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 3/2

16:45-23:03

1 stop9h 18m

San Francisco

Thu 19/2

20:47-15:35

1 stop15h 48m

£236

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 26/5

09:45-12:23

Nonstop5h 38m

San Francisco

Tue 9/6

13:25-21:29

Nonstop5h 04m

£236

Flights are sorted by cheapest return flights first.

Deals found on 19/12

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 December 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, November is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to San Francisco (average of £135). Flying from Toronto Pearson Intl Airport to San Francisco in August is currently the most expensive (average of £182). 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 21 December 2025.

It’s optimal to fly from Toronto Pearson Intl Airport to San Francisco at midday. By choosing this option you can save up to 84% on the cost of your flight, compared to a flight in the evening.

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 17 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 Alaska Airlines and 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 can typically vary by up to 18h 20m. 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 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: American Airlines (72%), Porter Airlines (72%), Air Transat( 72%).

  • 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, November is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to San Francisco (average of £135). Flying from Toronto Pearson Intl Airport to San Francisco in August is currently the most expensive (average of £182). 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 Cruz
Newark
San Bruno
South San Francisco
Bodega Bay
Sunnyvale
Pacific Grove

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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?

Cheapflights makes it easy to find Pearson Intl to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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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