SFO - YTO

$170 Find Cheap Flights from San Francisco to Toronto - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Toronto departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$319
Typical prices: $392-$619
WestJet, Porter Airlines
Tue 9/22Tue 9/29
SFO - YYZ • 2 stops
Cheapest non-stop
$335
Typical prices: $386-$620
Porter Airlines
Tue 9/29Thu 10/15
SFO - YYZ • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
United Economy Plus adds up to 6 extra inches; Air Canada Preferred Economy adds 4.
Porter PorterReserve adds priority boarding and legroom; newer jets add Wi-Fi and power.
Expert advice
Expert advice
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Nonstop flights
You can fly direct with Air Canada, Porter Airlines and United Airlines. Average duration is 5h 00m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top routes
Insights
Insights
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Insights
Top layover airports
Cheapest • Avg $259 (round-trip)
Shortest trip • 6h 57m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 50% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 22% price drop
Most popular
Good to know
Good to know
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Flight Deals
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Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to Toronto that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to Toronto

Tue, Sep 22 - Tue, Sep 29
Multiple Airlines Logo
6:00 am - 7:55 pmSFO  San Francisco-YYZ Toronto Pearson Intl
10h 55m2 stops Calgary Winnipeg
Multiple Airlines Logo
9:45 am - 12:20 pmYYZ  Toronto Pearson Intl-SFO San Francisco
5h 35mnonstop
$319Multiple Airlines
Mon, Sep 14 - Wed, Sep 16
Multiple Airlines Logo
6:00 am - 9:35 pmSFO  San Francisco-YYZ Toronto Pearson Intl
12h 35m2 stops Calgary Winnipeg
Multiple Airlines Logo
9:45 am - 12:15 pmYYZ  Toronto Pearson Intl-SFO San Francisco
5h 30mnonstop
$321Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
WestJet Logo
6:00 am - 7:55 pmSFO  San Francisco-YYZ Toronto Pearson Intl
10h 55m2 stops Calgary Winnipeg
WestJet Logo
6:00 am - 12:00 pmYYZ  Toronto Pearson Intl-SFO San Francisco
9h 00m1 stop Calgary
$327WestJet
Fri, Oct 16 - Sun, Oct 18
WestJet Logo
6:00 am - 9:35 pmSFO  San Francisco-YYZ Toronto Pearson Intl
12h 35m2 stops Calgary Winnipeg
WestJet Logo
6:00 am - 12:00 pmYYZ  Toronto Pearson Intl-SFO San Francisco
9h 00m1 stop Calgary
$328WestJet
Tue, Sep 29 - Thu, Oct 15
Porter Airlines Logo
1:20 pm - 9:25 pmSFO  San Francisco-YYZ Toronto Pearson Intl
5h 05mnonstop
Porter Airlines Logo
9:45 am - 12:20 pmYYZ  Toronto Pearson Intl-SFO San Francisco
5h 35mnonstop
$335Porter Airlines
Thu, Sep 24 - Sat, Sep 26
Porter Airlines Logo
1:20 pm - 9:25 pmSFO  San Francisco-YYZ Toronto Pearson Intl
5h 05mnonstop
Porter Airlines Logo
9:45 am - 12:15 pmYYZ  Toronto Pearson Intl-SFO San Francisco
5h 30mnonstop
$341Porter Airlines
Sun, Sep 13 - Wed, Sep 16
Air Canada Logo
10:45 pm - 6:41 amSFO  San Francisco-YYZ Toronto Pearson Intl
4h 56mnonstop
Air Canada Logo
7:20 pm - 9:49 pmYYZ  Toronto Pearson Intl-SFO San Francisco
5h 29mnonstop
$367Air Canada
Fri, Sep 18 - Sat, Sep 19
Air Canada Logo
10:45 pm - 6:41 amSFO  San Francisco-YYZ Toronto Pearson Intl
4h 56mnonstop
Air Canada Logo
7:20 pm - 9:49 pmYYZ  Toronto Pearson Intl-SFO San Francisco
5h 29mnonstop
$367Air Canada
Thu, Sep 10 - Sun, Sep 13
Air Transat Logo
1:20 pm - 9:25 pmSFO  San Francisco-YYZ Toronto Pearson Intl
5h 05mnonstop
Air Transat Logo
9:45 am - 12:15 pmYYZ  Toronto Pearson Intl-SFO San Francisco
5h 30mnonstop
$425Air Transat
Mon, Sep 14 - Tue, Sep 22
Air Transat Logo
1:20 pm - 9:25 pmSFO  San Francisco-YYZ Toronto Pearson Intl
5h 05mnonstop
Air Transat Logo
9:45 am - 12:15 pmYYZ  Toronto Pearson Intl-SFO San Francisco
5h 30mnonstop
$517Air Transat
Booking Insights

KAYAK's insights & trends for San Francisco to Toronto flights

Get data-powered insights and trends into flights from San Francisco to Toronto to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from San Francisco to Toronto?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Francisco to Toronto departing in September.

Flight prices are below average for this route right now.

Flights to Toronto from San Francisco usually cost between $438 and $694 in September.
The lowest price found in the past 5 days was $312 on Multiple Airlines (Sep 16-Sep 23).

What is the cheapest San Francisco to Toronto flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from San Francisco to Toronto costs $284 on the route between San Francisco (SFO) and Toronto Pearson Intl Airport (YYZ). It is also the most popular route.

What’s the cheapest day of the week to fly from San Francisco to Toronto?

The average price of all round-trip flights from San Francisco to Toronto clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Toronto on a Wednesday and more expensive on a Sunday. On your return trip to San Francisco, you should consider flying back on a Thursday, and avoid Mondays for better deals.

What is the cheapest month to fly from San Francisco to Toronto?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Toronto, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Francisco to Toronto is January, where tickets cost $388 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is $633 and $575 respectively.

Can I save money by flying with a layover from San Francisco to Toronto?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $415 on average.

How far in advance should I book a flight from San Francisco to Toronto?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to Toronto, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Francisco to Toronto, you should book around 3 weeks before departure, which saves you about 50% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Expert advice

Expert advice for your flight from San Francisco to Toronto

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Air Canada, United Airlines and YYZ

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

John Walton

John Walton

Expert on Porter Airlines and Air Transat

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Blane Bachelor

Blane Bachelor

Expert on SFO

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Good to know

Low season

February

Cheapest flight

$170
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 17% increase in price.
Flight from San Francisco to Hamilton

When to book flights from San Francisco to Toronto

Are your dates flexible? Find out the best times to travel from San Francisco to Toronto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from San Francisco to Toronto: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from San Francisco to Toronto 
JendanFlew with Porter Airlines-Mar 2025
Make sure you have an online streaming option to help the time pass faster.
Verified travelerFlew with United Airlines-Sep 2024
If you do not find enough space for your personal belongs( bags or luggage), you can ask the crew for help. They are kindly and friendly, and they can help you.
Verified travelerFlew with Porter Airlines-Mar 2024
Be on time, don’t carry so much cumbersome baggage on board.

FAQs for booking flights from San Francisco to Toronto

  • What are the layover options for flights from San Francisco to Toronto?

    Layover options differ with your airline and the departing airport. Passengers departing from San Francisco to Toronto Pearson Airport (SFO-YYZ) and flying with United Airlines will have layovers at Los Angeles International Airport (LAX). Those flying with Frontier or West Jet will have layovers at Las Vegas Harry Reid International Airport (LAS) and Vancouver International Airport (YVR). Air Canada passengers departing from San Francisco will have layovers at Edmonton International Airport (YEG).

  • Which airline has the best pet policy for flights to Toronto from San Francisco?

    Flights to Toronto from San Francisco will find the best pet policies with WestJet. WestJet permits small dogs, cats, and other small, domesticated animals to accompany their owners on domestic flights. The airline provides a kennel for transport and a special pet-friendly check-in procedure. Consequently, traveling with animals is effortless for pet owners.

  • Which airlines provide special assistance to passengers with limited mobility?

    Air Canada's Mobility Assistance Program is available as one example of accessibility services for passengers on flights from San Francisco to Toronto. This program ensures that passengers with special needs receive tailored service, enabling them to request wheelchair assistance and scheduled in-flight oxygen refills. In addition to boarding and deplaning assistance, Air Canada will also offer escorts through the airport. There may be similar services available with airlines like United Airlines.

  • What amenities are available for first-class passengers on flights from San Francisco to Toronto?

    Passengers flying from San Francisco to Toronto in first-class enjoy various amenities such as more legroom, reclining seats, private check-in services, boarding with priority, meals served on China plates, and complimentary alcoholic beverages. They also provide personal entertainment systems with on-demand movies, music, and games. Chauffeur services to the airport, free Wi-Fi, and lounges in which to relax before and after flights are also offered by certain airlines for first-class passengers.

  • What is the cheapest flight from San Francisco to Toronto?

    In the last 5 days, the lowest price for a flight from San Francisco to Toronto was $170 for a one-way ticket and $312 for a round-trip.

  • Do I need a passport to fly between San Francisco and Toronto?

    Yes, you'll most likely have to show a valid passport before boarding the plane in San Francisco and on arrival in Toronto.

  • Which airports will I be using when flying from San Francisco to Toronto?

    San Francisco is served by only 1 airport and there are 3 airports in Toronto. You will leave San Francisco from San Francisco and you will be arriving in Toronto at one of these airports: Toronto Region of Waterloo Intl, Toronto Island, or Toronto Pearson Intl.

  • Which airlines offer Wi-Fi service onboard planes from San Francisco to Toronto?

    All the following airlines offer inflight Wi-Fi service on the San Francisco to Toronto flight route: Air Canada, United Airlines, Iberia, British Airways, Finnair, and Qatar Airways.

  • Which aircraft models fly most regularly from San Francisco to Toronto?

    The Embraer 195 E2 is the aircraft model that flies most regularly on the San Francisco to Toronto flight route.

  • Which airline alliances offer flights from San Francisco to Toronto?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between San Francisco and Toronto, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from San Francisco to Toronto?

    There are nonstop flights from San Francisco to Toronto on a daily basis.

  • Which is the best airline for flights from San Francisco to Toronto, Porter Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from San Francisco to Toronto are Porter Airlines and Delta. With an average price for the route of $456 and an overall rating of 8.0, Porter Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $454 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from San Francisco to Toronto?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Toronto.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Toronto?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Toronto from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Toronto?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Toronto with an airline and back to San Francisco with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Toronto?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Toronto from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Francisco to Toronto

  • Looking for a cheap flight? 25% of our users found flights on this route for $264 or less one-way and $559 or less round-trip.
  • San Francisco International Airport (SFO) is located about 13 miles south of downtown San Francisco, California, in the United States. SFO is a hub airport for United Airlines and Virgin America, and it also functions as an international gateway for airlines globally.
  • WestJet is a family-friendly airline that provides flights from San Francisco to Toronto. The airline offers comfortable seating options, a welcoming staff, and additional features for children, like children's meals, toys, and in-flight entertainment.
  • Fly with American Airlines from San Francisco to Toronto and benefit from its generous baggage-allowance policies. The airline allows each passenger to have two bags, with a weight limit of about 50 lbs. each. Do not allow the size of each bag to surpass 62 linear inches for height, width, and depth combined. Excess, overweight, or oversized baggage will result in extra fees.
  • Airlines flying from San Francisco to Toronto have varying ticket cancellation policies One such example is the 24-hour cancellation policy offered by United Airlines for tickets booked seven days or more beforehand. Customers who cancel the ticket within 24 hours of the reservation being made are eligible for a full refund.
  • Air Canada offers flights from SFO to Toronto Pearson Airport (YYZ) with a 41% reduced carbon footprint. About 850 lbs. is the average amount of CO₂ emitted per person for this route. Passengers can also opt for United Airlines, which has carbon emissions of 40% less.

Prefer to fly direct from San Francisco to Toronto?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Francisco to Toronto.
Find which airlines fly direct from San Francisco Airport to Toronto, which days they fly and book direct flights.

Direct departures

San Francisco to Toronto

Monday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Tuesday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Wednesday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Thursday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Friday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Saturday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Sunday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

See more direct flights

Direct returns

Toronto to San Francisco

Monday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Tuesday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Wednesday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Thursday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Friday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Saturday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Sunday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

See more direct flights

Everything you need to know for your flight from San Francisco to Toronto

Information on your arrival and departure airports