$168 Cheap Flights from Toronto (YYZ) to San Francisco (SFO)

View $168 flight on Fri, Nov 14, 2025Opens in a new window

Popular airlines from Toronto Pearson Intl. Airport (YYZ) to San Francisco Intl. Airport (SFO)

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Cheap Flights from Toronto to San Francisco (YYZ-SFO)

Prices were available within the past 7 days and start at $168 for one-way flights and $285 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Thu, Sep 11 - Thu, Sep 18
YYZ
Toronto
SFO
San Francisco
$285 Roundtrip, found 1 day ago
$285
Roundtrip
found 1 day ago
Select WestJet flight, departing Thu, Sep 11 from Toronto to San Francisco, returning Thu, Sep 18, priced at $285 found 1 day ago
WestJet
Sat, Sep 6 - Sat, Sep 13
YYZ
Toronto
SFO
San Francisco
$286 Roundtrip, found 1 hour ago
$286
Roundtrip
found 1 hour ago
Select WestJet flight, departing Sat, Sep 6 from Toronto to San Francisco, returning Sat, Sep 13, priced at $286 found 1 hour ago
WestJet
Tue, Nov 25 - Tue, Dec 2
YYZ
Toronto
SFO
San Francisco
$290 Roundtrip, found 17 hours ago
$290
Roundtrip
found 17 hours ago
Select WestJet flight, departing Tue, Nov 25 from Toronto to San Francisco, returning Tue, Dec 2, priced at $290 found 17 hours ago
WestJet
Tue, Nov 18 - Sun, Nov 23
YYZ
Toronto
SFO
San Francisco
$291 Roundtrip, found 3 hours ago
$291
Roundtrip
found 3 hours ago
Select WestJet flight, departing Tue, Nov 18 from Toronto to San Francisco, returning Sun, Nov 23, priced at $291 found 3 hours ago
WestJet
Wed, Aug 27 - Thu, Sep 4
YYZ
Toronto
SFO
San Francisco
$296 Roundtrip, found 1 day ago
$296
Roundtrip
found 1 day ago
Select WestJet flight, departing Wed, Aug 27 from Toronto to San Francisco, returning Thu, Sep 4, priced at $296 found 1 day ago
WestJet
Mon, Aug 11 - Wed, Sep 3
YYZ
Toronto
SFO
San Francisco
$297 Roundtrip, found 6 hours ago
$297
Roundtrip
found 6 hours ago
Select WestJet flight, departing Mon, Aug 11 from Toronto to San Francisco, returning Wed, Sep 3, priced at $297 found 6 hours ago
Porter Airlines
Wed, Oct 22 - Tue, Nov 11
YYZ
Toronto
SFO
San Francisco
$300 Roundtrip, found 6 days ago
$300
Roundtrip
found 6 days ago
Select Porter Airlines flight, departing Wed, Oct 22 from Toronto to San Francisco, returning Tue, Nov 11, priced at $300 found 6 days ago
United
Sun, Oct 5 - Tue, Oct 14
YYZ
Toronto
SFO
San Francisco
$308 Roundtrip, found 6 days ago
$308
Roundtrip
found 6 days ago
Select United flight, departing Sun, Oct 5 from Toronto to San Francisco, returning Tue, Oct 14, priced at $308 found 6 days ago
Air Canada
Fri, Sep 12 - Wed, Sep 17
YYZ
Toronto
SFO
San Francisco
$312 Roundtrip, found 1 day ago
$312
Roundtrip
found 1 day ago
Select Air Canada flight, departing Fri, Sep 12 from Toronto to San Francisco, returning Wed, Sep 17, priced at $312 found 1 day ago
Air Transat
Sat, Sep 6 - Sat, Sep 13
YYZ
Toronto
SFO
San Francisco
$353 Roundtrip, found 1 hour ago
$353
Roundtrip
found 1 hour ago
Select Air Transat flight, departing Sat, Sep 6 from Toronto to San Francisco, returning Sat, Sep 13, priced at $353 found 1 hour ago

Find the cheapest month to fly from Toronto (YYZ) to San Francisco (SFO)

May is typically the cheapest month to fly

From $236 - $559 per traveler.

Graph displaying average flight prices per month

Flights from Toronto (YYZ) to San Francisco (SFO)
Origin airport
Pearson Intl.
Destination airport
San Francisco Intl.
Airlines serving
Air Canada, Air Transat, Alaska Airlines, American Airlines, Delta, Porter Airlines, United, WestJet
Roundtrip price
$284
Distance
2255 mi
Average flight time
2 hours 34 mins

Toronto to San Francisco Flights

The cheapest times to fly from Toronto to San Francisco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Toronto to San Francisco are during the month of September. You can find some of the cheapest flights from Toronto to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Toronto to San Francisco

Sunday is one of the best days to book for cheap flights from Toronto to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Toronto to San Francisco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Toronto to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $168 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Toronto to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Toronto to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Pearson Intl. Airport (YYZ) to San Francisco Intl. Airport (SFO) cost?
Cheap round-trip flights from Pearson Intl. Airport (YYZ) to San Francisco Intl. Airport (SFO) start at $309. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Porter Airlines flight leaving YYZ on July 17 2025 and touching down at SFO. The price was last updated on July 2 2025 and has not changed since.
What is the cheapest month to fly from YYZ to SFO?
The cheapest flights from YYZ to SFO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Pearson Intl. Airport (YYZ) to San Francisco Intl. Airport (SFO)?
Avoid the detours and fly direct to San Francisco Intl. Airport (SFO) from Pearson Intl. Airport (YYZ) with 3 airlines, including:

  • Air Canada
  • Porter Airlines
  • United Airlines

What is the cheapest airline that flies from YYZ to SFO?
Book a flight from YYZ to SFO with Porter Airlines. This carrier currently has the lowest one-way fare on this route, starting at $180. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from YYZ on September 27 2025. Prices were last updated on July 2 2025 and have not changed since.
How many flights per day from Pearson Intl. Airport (YYZ) to San Francisco Intl. Airport (SFO)?
With, on average, 5 nonstop flights that operate from Pearson Intl. Airport (YYZ) to San Francisco Intl. Airport (SFO) each day, you'll be on your way in no time.
What are the most popular departure times for flights from Pearson Intl. Airport (YYZ) to San Francisco Intl. Airport (SFO)?
More travelers fly between YYZ and SFO at 6 AM than at any other time. Looking to skip the crowds? Pick a flight outside the busiest times and there's a chance you'll save on your fare as well.
What day of the week has the most flights from YYZ to SFO?
Monday offers the most flights from Pearson Intl. Airport (YYZ) to San Francisco Intl. Airport (SFO). Consider jetting off on this day and you'll have a greater chance of finding a schedule that works for you.
What is the earliest flight from Pearson Intl. Airport (YYZ) to San Francisco Intl. Airport (SFO)?
Catch the earliest flight at around 6:30AM UTC-5, leaving from Pearson Intl. Airport (YYZ). You'll be in the air for roughly 6h 2m, landing at San Francisco Intl. Airport (SFO) at approximately 9:32AM UTC-8.
How long does it take to fly from Pearson Intl. Airport (YYZ) to San Francisco Intl. Airport (SFO)?
Flights from YYZ to SFO have an average travel time of 5 hours and 50 minutes. The total distance between the two airports is 2,300 mi.
What airline has the least delays from YYZ to SFO?
Consider traveling with Porter Airlines if you'd like to go straight from Pearson Intl. Airport (YYZ) to San Francisco Intl. Airport (SFO) without any delays. This airline has the strongest track record for punctuality, with an on-time performance of 82%. Want to get notified of any changes? You can check your flight status using the Expedia App.
What is the best time to fly from Pearson Intl. Airport (YYZ) to San Francisco Intl. Airport (SFO)?
To touch down at San Francisco Intl. Airport (SFO) on schedule, pick a flight that leaves from Pearson Intl. Airport (YYZ) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Francisco from Pearson Intl. Airport (YYZ)?
San Francisco Intl. Airport (SFO) is the only airport in San Francisco with direct flights from Pearson Intl. Airport (YYZ). Compare the options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Pearson Intl. Airport (YYZ) to San Francisco Intl. Airport (SFO) last-minute?
Last-minute bookings from YYZ to SFO are usually more expensive. To secure the best prices, start looking for flights ahead of time. That said, if your travel plans are flexible, you may land a cheap ticket right before your journey.
Is it cheaper to book a YYZ to SFO flight and hotel package?
You'll typically save money by securing a YYZ to SFO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your ideal flights and accommodations, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Pearson Intl. Airport (YYZ) to San Francisco Intl. Airport (SFO)?
If you booked your YYZ to SFO flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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