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£159 Cheap Flights from Toronto (YYZ) to San Francisco (SFO)

View £159 flight on Wed, 9 Dec 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £159 for one-way flights and £257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Mon, 7 Sept - Wed, 9 Sept
YYZ
Toronto
SFO
San Francisco
£257 Return, found 2 days ago
£257
Return
found 2 days ago
Select WestJet flight, departing Mon, 7 Sept from Toronto to San Francisco, returning Wed, 9 Sept, priced at £257 found 2 days ago
WestJet
Thu, 24 Sept - Thu, 1 Oct
YYZ
Toronto
SFO
San Francisco
£261 Return, found 6 days ago
£261
Return
found 6 days ago
Select WestJet flight, departing Thu, 24 Sept from Toronto to San Francisco, returning Thu, 1 Oct, priced at £261 found 6 days ago
WestJet
Wed, 23 Sept - Fri, 25 Sept
YYZ
Toronto
SFO
San Francisco
£269 Return, found 6 days ago
£269
Return
found 6 days ago
Select WestJet flight, departing Wed, 23 Sept from Toronto to San Francisco, returning Fri, 25 Sept, priced at £269 found 6 days ago
Porter Airlines
Thu, 10 Sept - Mon, 14 Sept
YYZ
Toronto
SFO
San Francisco
£275 Return, found 3 days ago
£275
Return
found 3 days ago
Select Porter Airlines flight, departing Thu, 10 Sept from Toronto to San Francisco, returning Mon, 14 Sept, priced at £275 found 3 days ago
WestJet
Sun, 6 Sept - Mon, 14 Sept
YYZ
Toronto
SFO
San Francisco
£282 Return, found 6 days ago
£282
Return
found 6 days ago
Select WestJet flight, departing Sun, 6 Sept from Toronto to San Francisco, returning Mon, 14 Sept, priced at £282 found 6 days ago
Air Transat
Thu, 10 Sept - Mon, 14 Sept
YYZ
Toronto
SFO
San Francisco
£283 Return, found 3 days ago
£283
Return
found 3 days ago
Select Air Transat flight, departing Thu, 10 Sept from Toronto to San Francisco, returning Mon, 14 Sept, priced at £283 found 3 days ago
WestJet
Wed, 23 Sept - Fri, 25 Sept
YYZ
Toronto
SFO
San Francisco
£291 Return, found 6 days ago
£291
Return
found 6 days ago
Select WestJet flight, departing Wed, 23 Sept from Toronto to San Francisco, returning Fri, 25 Sept, priced at £291 found 6 days ago
Delta
Tue, 1 Sept - Fri, 11 Sept
YYZ
Toronto
SFO
San Francisco
£295 Return, found 2 days ago
£295
Return
found 2 days ago
Select Delta flight, departing Tue, 1 Sept from Toronto to San Francisco, returning Fri, 11 Sept, priced at £295 found 2 days ago
Air Transat
Wed, 18 Nov - Tue, 8 Dec
YYZ
Toronto
SFO
San Francisco
£296 Return, found 2 days ago
£296
Return
found 2 days ago
Select Air Transat flight, departing Wed, 18 Nov from Toronto to San Francisco, returning Tue, 8 Dec, priced at £296 found 2 days ago
Air Canada
Sun, 6 Sept - Tue, 15 Sept
YYZ
Toronto
SFO
San Francisco
£325 Return, found 17 hours ago
£325
Return
found 17 hours ago
Select Air Canada flight, departing Sun, 6 Sept from Toronto to San Francisco, returning Tue, 15 Sept, priced at £325 found 17 hours ago

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest and Closest option available. Average driving time to city centre is 19 minutes. Flights from £491
SFO
San Francisco Intl.
CheapestClosest
Average driving time to city centre19 min
Flights from £491

Frequently asked questions

How much does a flight from Toronto, ON (YYZ) to San Francisco, CA (SFO) cost?
You can find one-way and return flights from Toronto, ON (YYZ) to San Francisco, CA (SFO) with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when YYZ to SFO ticket fares go up or down.
What is the cheapest month to fly from Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
April is typically the cheapest month to fly from Toronto Pearson International Airport (YYZ) to San Francisco International Airport (SFO), with average return fares around £284. April often sees lower prices as it falls outside of peak holiday seasons, making it a great time to find a deal. Other cheap months to fly from Toronto Pearson International Airport (YYZ) to San Francisco International Airport (SFO) include January and February.
Which airlines fly direct from Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
There are 3 airlines offering direct flights from Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.). These include:
  • Air Canada operates 27 direct flights from Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.) every week.
  • United operates 14 direct flights from Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.) every week.
  • Porter Airlines operates 7 direct flights from Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.) every week.
How do I find cheap flights from Toronto, ON (YYZ) to San Francisco, CA (SFO)?
To find a cheap flight from Toronto, ON (YYZ) to San Francisco, CA (SFO), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Toronto, ON (YYZ) to San Francisco, CA (SFO)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
The earliest flight from Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.) typically departs around 12:30 AM local time. This service is operated by Air Canada. This is a seasonal service, active in June, July, August, September, and October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
A direct flight from Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.) typically takes around 5 hours 48 minutes. This route covers a distance of approximately 3,631 kilometres. If you opt for a flight with one stop, your journey will usually take longer, averaging about 9 hours 30 minutes. Flights with two or more stops generally take around 12 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Toronto, ON (YYZ) to San Francisco, CA (SFO)?
Select the "Business class" and "First class" filters when looking for Toronto, ON (YYZ) to San Francisco, CA (SFO) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.) flight with Expedia?
It's easy to earn miles on a Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Francisco, CA (SFO) from Toronto, ON (YYZ)?
If you're planning to travel to San Francisco from Pearson Intl. (YYZ), you can fly directly into San Francisco Intl. (SFO). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), O'Hare Intl. (ORD), or Calgary Intl. (YYC) before reaching San Francisco. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.) at the last minute?
Typically, booking a last minute flight from Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.) flight and hotel package?
Securing a Toronto, ON (YYZ-Pearson Intl.) to San Francisco, CA (SFO-San Francisco Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Toronto, ON (YYZ) to San Francisco, CA (SFO)?
If you booked your Toronto, ON (YYZ) to San Francisco, CA (SFO) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Pearson Intl.
Destination airport
San Francisco Intl.
Airlines serving
Air Canada, Air Transat, Alaska Airlines, American Airlines, Delta, Porter Airlines, United, WestJet
Return price
£256
Distance
3608 km
Average flight time
3 hours 9 mins

Book with confidence

Compare flights from Toronto to San Francisco easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Toronto to San Francisco. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to San Francisco Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Pearson Intl. to San Francisco Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Pearson Intl. (YYZ) to San Francisco Intl. (SFO)

The easiest way to view the best deals on flights from Toronto to San Francisco today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Pearson Intl. to San Francisco Intl. start at just £257 and range up to £325.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Toronto and San Francisco
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Toronto to San Francisco flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Pearson Intl. to San Francisco Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Toronto to San Francisco easily and book with confidence

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*Available to Expedia members.