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

Flights overview

Useful information for finding cheap flights from San Francisco to Toronto and booking your next trip

Cheapest round-trip flights	$328	WestJet 1 stop 9 hr Fri, Apr 17 — Sun, Apr 26	The cheapest round-trip flight from San Francisco to Toronto is currently $328
Cheapest one-way flight	$143	Alaska 1 stop 18 hr Mon, Mar 9	The cheapest one-way flight from San Francisco to Toronto is currently $143
Cheapest nonstop flights	$380	United Nonstop 5 hr Thu, Feb 26 — Wed, Mar 4	The cheapest nonstop round-trip flight from San Francisco to Toronto is currently $380
Last-minute weekend getaway	$708	United 2 stops 15 hr Thu, Jan 29 — Mon, Feb 2	The cheapest last-minute weekend getaway from San Francisco to Toronto is currently $708
Cheapest business class flights	$979	Air Canada Nonstop 5 hr Thu, Mar 12 — Wed, Mar 18	The cheapest business class round-trip flight from San Francisco to Toronto is currently $979

Fastest flight	4 hr 55 min	The fastest nonstop flight from San Francisco to Toronto takes 4 hr 55 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from San Francisco to Toronto is typically March. The most expensive month to fly is typically December.

March Cheapest	Typical prices: $265–395
December Most expensive	Typical prices: $360–790

Popular airlines from San Francisco to Toronto

Air Canada

Nonstop

from $409

Typical price: $380–850

19 weekly nonstop flights

SFO - YYZ Every day

153 weekly connecting flights

SFO - YTZ, YYZ Every day
United

Nonstop

from $409

Typical price: $430–850

7 weekly nonstop flights

SFO - YYZ Every day

202 weekly connecting flights

SFO - YYZ Every day
Porter Airlines

Nonstop

from $438

Typical price: $360–940

6 weekly nonstop flights

SFO - YYZ Every Mon, Tue, Thu, Fri, Sat, Sun
American

from $434

Typical price: $405–780

106 weekly connecting flights

SFO - YYZ Every day
Delta

from $434

Typical price: $415–930

99 weekly connecting flights

SFO - YYZ Every day
Alaska

from $325

Typical price: $435–990

21 weekly connecting flights

SFO - YYZ Every day

Popular airports near San Francisco

San Francisco International Airport (SFO)

San Francisco United States 19 min 11 mi
Oakland International Airport (OAK)

Oakland United States 27 min 11 mi
Sacramento International Airport (SMF)

Sacramento United States 1 hr 33 min 78 mi
San Jose Mineta International Airport (SJC)

San Jose United States 51 min 39 mi

Popular airports near Toronto

Toronto Pearson International Airport (YYZ)

Toronto Canada 33 min 12 mi
Billy Bishop Toronto City Airport (YTZ)

Toronto Canada 35 min 2 mi
Buffalo Niagara International Airport (BUF)

Buffalo United States 2 hr 59 mi
John C. Munro Hamilton International Airport (YHM)

Hamilton Canada 1 hr 2 min 43 mi

Frequently asked questions about flying from San Francisco to Toronto

The cheapest flights from San Francisco to Toronto are usually in March. Typical ticket prices in March range from $265 to $395.

The cheapest round-trip flight from San Francisco to Toronto recently found on Google Flights was with WestJet from $328. The cheapest one-way flight was with Alaska from $143.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Air Canada flight from San Francisco to Toronto is $409, flying from Mar 12 to Mar 18.
The cheapest United flight from San Francisco to Toronto is $409, flying from Mar 12 to Mar 18.
The cheapest Porter Airlines flight from San Francisco to Toronto is $438, flying from Apr 16 to Apr 22.
The cheapest American flight from San Francisco to Toronto is $434, flying from Feb 26 to Mar 4.
The cheapest Delta flight from San Francisco to Toronto is $434, flying from Feb 26 to Mar 4.
The cheapest Alaska flight from San Francisco to Toronto is $325, flying from Mar 2 to Mar 10.

The cheapest round-trip flight from San Francisco to Toronto starts at $328 from Fri, Apr 17 to Sun, Apr 26. The cheapest one-way flight starts at $143 and departs on Mon, Mar 9.

4 hr 55 min is the shortest flight time from San Francisco to Toronto.

Toronto is a major city with robust cultural offerings year-round. Many people visit Jun–Sep, when the weather's warm and humid, and when big annual events like Pride Toronto (Jun), Caribbean Carnival (Jul/Aug), the Canadian National Exhibition (Aug/Sep) and the Toronto International Film Festival (Sep) are held. Spring and fall are mild to cool, and winters are typically very cold and windy, with frequent snow.

It's easy to use Google Flights to find the cheapest days to fly from San Francisco to Toronto.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from San Francisco to Toronto really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from San Francisco to Toronto.

In terms of nonstop flights, Air Canada is the most popular. Air Canada offers 19 nonstop flights and 153 connecting flights per week. Air Canada flies from San Francisco International Airport (SFO) to Billy Bishop Toronto City Airport (YTZ) , Toronto Pearson International Airport (YYZ) .

In terms of flights, United is the most popular. United offers 7 nonstop flights and 202 connecting flights per week. United flies from San Francisco International Airport (SFO) to Toronto Pearson International Airport (YYZ) .

Other popular airlines flying from San Francisco to Toronto are:

Porter Airlines offers 6 nonstop flights per week. Porter Airlines flies from San Francisco International Airport (SFO) to Toronto Pearson International Airport (YYZ) .
American offers 106 connecting flights per week. American flies from San Francisco International Airport (SFO) to Toronto Pearson International Airport (YYZ) .
Delta offers 99 connecting flights per week. Delta flies from San Francisco International Airport (SFO) to Toronto Pearson International Airport (YYZ) .
Alaska offers 21 connecting flights per week. Alaska flies from San Francisco International Airport (SFO) to Toronto Pearson International Airport (YYZ) .

The number of connecting flights refers to distinct flights with at least one stop between San Francisco and Toronto.

The cheapest round-trip flight from San Francisco to Toronto recently found on Google Flights was with WestJet from $328. The cheapest one-way flight was with Alaska from $143.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Air Canada flight from San Francisco to Toronto is $409, flying from Mar 12 to Mar 18.
The cheapest United flight from San Francisco to Toronto is $409, flying from Mar 12 to Mar 18.
The cheapest Porter Airlines flight from San Francisco to Toronto is $438, flying from Apr 16 to Apr 22.
The cheapest American flight from San Francisco to Toronto is $434, flying from Feb 26 to Mar 4.
The cheapest Delta flight from San Francisco to Toronto is $434, flying from Feb 26 to Mar 4.
The cheapest Alaska flight from San Francisco to Toronto is $325, flying from Mar 2 to Mar 10.

Air Canada, United and Porter Airlines fly direct from San Francisco to Toronto.

There are 19 Air Canada direct flights from San Francisco to Toronto per week. Flights are available every day.
There are 7 United direct flights from San Francisco to Toronto per week. Flights are available every day.
There are 6 Porter Airlines direct flights from San Francisco to Toronto per week. Flights are available on Monday, Tuesday, Thursday, Friday, Saturday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between San Francisco and Toronto at price $708 is offered by United from Thu, Jan 29 to Mon, Feb 2.

Air Canada, United and Porter Airlines fly direct from San Francisco to Toronto.

There are 19 Air Canada direct flights from San Francisco to Toronto per week. Flights are available every day.
There are 7 United direct flights from San Francisco to Toronto per week. Flights are available every day.
There are 6 Porter Airlines direct flights from San Francisco to Toronto per week. Flights are available on Monday, Tuesday, Thursday, Friday, Saturday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

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

The cheapest direct (nonstop) round-trip flights between San Francisco and Toronto start at $380 from Thu, Feb 26 to Wed, Mar 4 with United.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from San Francisco to Toronto, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between San Francisco and Toronto start at $979 from Thu, Mar 12 to Wed, Mar 18 with Air Canada.

The cheapest economy class round-trip flights between San Francisco and Toronto start at $328 from Fri, Apr 17 to Sun, Apr 26.

To book business class trips from San Francisco to Toronto, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between San Francisco and Toronto starts at $708 from Thu, Jan 29 to Mon, Feb 2 with United.

The cheapest last-minute deal between San Francisco and Toronto at price $708 is offered by United from Thu, Jan 29 to Mon, Feb 2.

To find last-minute flight deals from San Francisco to Toronto, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.