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Cheap flights from Toronto Pearson Intl Airport to San Francisco from £126

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SFO
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Toronto Pearson Intl to San Francisco are usually found in March or April, booked 90 days in advance, depart on a Friday or Saturday and return on a Friday

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 13 June 2025.

Round-trip from

£212

One-way from

£126

Popular in

December

Cheapest in

March

Average price

£273

Good round-trip deal

£235 or less

Good one-way deal

£278 or less
Porter Airlines
  • Porter Airlines
  • 1/10-25/10
  • Nonstop
  • 10h 37m total
  • Toronto to San Francisco
WestJet
  • WestJet
  • 3/10
  • 1 total stop
  • 9h 24m total
  • Toronto to San Francisco
Highest demand for flights based on searches. 7% potential increase in price (£17 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Toronto Pearson Intl to San Francisco.
Price to beat on a one-way flight from Toronto Pearson Intl to San Francisco.

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 13 June 2025.

Wed 1/1009:45YYZ - SFO
Nonstop5h 38mPorter Airlines
Sat 25/1013:25SFO - YYZ
Nonstop4h 59mPorter Airlines
Deal found 11/6£212
Thu 24/722:25YYZ - SFO
1 stop18h 34mWestJet
Fri 1/807:30SFO - YYZ
1 stop8h 24mWestJet
Deal found 11/6£213
Thu 2/1017:50YYZ - SFO
1 stop9h 03mDelta
Tue 28/1009:00SFO - YYZ
1 stop9h 57mDelta
Deal found 11/6£238
Thu 13/1116:45YYZ - SFO
1 stop9h 59mAlaska Airlines
Mon 17/1114:22SFO - YYZ
2 stops22h 13mAlaska Airlines
Deal found 12/6£259
Tue 22/706:30YYZ - SFO
Nonstop5h 37mUnited Airlines
Thu 7/823:25SFO - YYZ
1 stop9h 24mUnited Airlines
Deal found 11/6£273
Sat 26/721:15YYZ - SFO
1 stop15h 15mMultiple Airlines
Sat 2/814:45SFO - YYZ
2 stops13h 07mMultiple Airlines
Deal found 11/6£280
Mon 6/1009:45YYZ - SFO
Nonstop5h 38mAir Transat
Tue 28/1014:50SFO - YYZ
Nonstop4h 56mAir Transat
Deal found 11/6£340

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 13 June 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

Wed 1/10

09:45-12:23

Nonstop5h 38m

San Francisco

Sat 25/10

13:25-21:24

Nonstop4h 59m

£212

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 24/7

22:25-13:59

1 stop18h 34m

San Francisco

Fri 1/8

07:30-18:54

1 stop8h 24m

£213

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 2/10

17:50-23:53

1 stop9h 03m

San Francisco

Tue 28/10

09:00-21:57

1 stop9h 57m

£238

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 13/11

16:45-23:44

1 stop9h 59m

San Francisco

Mon 17/11

14:22-15:35

2 stops22h 13m

£259

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 22/7

06:30-09:07

Nonstop5h 37m

San Francisco

Thu 7/8

23:25-11:49

1 stop9h 24m

£273

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 26/7

21:15-09:30

1 stop15h 15m

San Francisco

Sat 2/8

14:45-06:52

2 stops13h 07m

£280

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 6/10

09:45-12:23

Nonstop5h 38m

San Francisco

Mon 27/10

14:50-22:46

Nonstop4h 56m

£340

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 3/10

15:00-21:24

1 stop9h 24m

£126

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 29/10

10:30-13:22

Nonstop5h 52m

£129

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 14/10

16:45-22:29

1 stop8h 44m

£133

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 13 results
1
2

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 9 June 2025.

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, 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 13 June 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 42% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from Toronto Pearson Intl Airport to San Francisco

Explore weekly flight availability from Pearson Intl to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 June 2025.

The most flights from YYZ to SFO are scheduled on a Wednesday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 13 June 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Porter Airlines and Delta from Toronto to San Francisco to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very Good

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 22 inbound flights from Toronto Pearson Intl per day. 1 airline has flights to San Francisco from Toronto Pearson Intl on a regular basis.

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

    Flying on Porter Airlines is currently your cheapest option to San Francisco, with prices starting at £212. Additional return tickets that might be worth considering are offered by WestJet and Delta, with the lowest prices starting at £213 and £238, respectively. Porter Airlines is 25% 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?

    The cheapet airlines for a one-way flight from Toronto Pearson Intl Airport to San Francisco are WestJet (£126), Porter Airlines (£129), and Alaska Airlines (£133).

  • 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 (90%), Air Transat (90%), United Airlines( 79%).

  • 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 £312, our data shows the cheapest flight currently is £235. When looking at the most popular route, (Toronto Pearson Intl - San Francisco), you can expect to pay £230 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 Toronto Pearson Intl Airport?

Book flights to Toronto Pearson Intl Airport if you plan to visit one of these locations
Santa Cruz
Vallejo
Newark
South San Francisco
Pacific Grove
Union City

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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.

Top airline flying from Pearson Intl to San Francisco

Discover the top airline 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 858,174 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£306Average£348FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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