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Cheap flights from Toronto to San Francisco from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Toronto to San Francisco departing on 11/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Toronto to San Francisco (YTO-SFO)

Cheap round-trip flights

Logo
9:45 am - 5:25 pmYYZ-SFO
10h 40m1 stop
Logo
10:15 am - 6:47 amSFO-YYZ
17h 32m2 stops
$244
Find Deal
Wed, Sep 24 - Sun, Sep 28
Logo
9:45 am - 5:25 pmYYZ-SFO
10h 40m1 stop
Logo
10:15 am - 6:47 amSFO-YYZ
17h 32m2 stops
$245
Find Deal
Wed, Sep 24 - Sun, Sep 28
Logo
9:45 am - 5:25 pmYYZ-SFO
10h 40m1 stop
Logo
10:15 am - 6:47 amSFO-YYZ
17h 32m2 stops
$246
Find Deal
Wed, Sep 24 - Sun, Sep 28
WestJet Logo
6:00 am - 11:56 amYKF-SFO
8h 56m1 stop
WestJet Logo
12:50 pm - 12:45 amSFO-YKF
8h 55m1 stop
$263WestJet
Find Deal
Thu, Aug 28 - Thu, Sep 4
WestJet Logo
6:00 am - 11:56 amYKF-SFO
8h 56m1 stop
WestJet Logo
12:50 pm - 12:45 amSFO-YKF
8h 55m1 stop
$264WestJet
Find Deal
Thu, Aug 28 - Thu, Sep 4
WestJet Logo
6:00 am - 11:56 amYKF-SFO
8h 56m1 stop
WestJet Logo
12:50 pm - 12:45 amSFO-YKF
8h 55m1 stop
$265WestJet
Find Deal
Thu, Aug 28 - Wed, Sep 10
Air Canada Logo
12:25 pm - 7:51 pmYTZ-SFO
10h 26m1 stop
Air Canada Logo
8:30 am - 9:34 pmSFO-YTZ
10h 04m1 stop
$318Air Canada
Find Deal
Thu, Sep 4 - Sat, Sep 13
Air Canada Logo
12:25 pm - 7:51 pmYTZ-SFO
10h 26m1 stop
Air Canada Logo
8:30 am - 9:34 pmSFO-YTZ
10h 04m1 stop
$321Air Canada
Find Deal
Thu, Sep 4 - Sat, Sep 13
Air Canada Logo
12:25 pm - 7:51 pmYTZ-SFO
10h 26m1 stop
Air Canada Logo
8:30 am - 9:34 pmSFO-YTZ
10h 04m1 stop
$322Air Canada
Find Deal
Thu, Sep 4 - Sat, Sep 13
Air Canada Logo
12:25 pm - 7:51 pmYTZ-SFO
10h 26m1 stop
Air Canada Logo
8:30 am - 9:34 pmSFO-YTZ
10h 04m1 stop
$331Air Canada
Find Deal
Fri, Oct 3 - Mon, Oct 6

Air Canada flights from Toronto to San Francisco

Our best Air Canada deals on Toronto to San Francisco flight tickets
Air Canada
Sep 4
YTZ12:25 pmToronto Island
10h 26m
1 stop
SFO7:51 pmSan Francisco
Sep 13
SFO8:30 amSan Francisco
10h 04m
1 stop
YTZ9:34 pmToronto Island
$318
Find similar
Air Canada
Sep 4
YTZ12:25 pmToronto Island
10h 26m
1 stop
SFO7:51 pmSan Francisco
Sep 13
SFO8:30 amSan Francisco
10h 04m
1 stop
YTZ9:34 pmToronto Island
$321
Find similar
Air Canada
Sep 4
YTZ12:25 pmToronto Island
10h 26m
1 stop
SFO7:51 pmSan Francisco
Sep 13
SFO8:30 amSan Francisco
10h 04m
1 stop
YTZ9:34 pmToronto Island
$322
Find similar

WestJet flights from Toronto to San Francisco

Our best WestJet deals on Toronto to San Francisco flight tickets
WestJet
Aug 28
YKF6:00 amToronto Region of Waterloo Intl
8h 56m
1 stop
SFO11:56 amSan Francisco
Sep 4
SFO12:50 pmSan Francisco
8h 55m
1 stop
YKF12:45 amToronto Region of Waterloo Intl
$263
Find similar
WestJet
Aug 28
YKF6:00 amToronto Region of Waterloo Intl
8h 56m
1 stop
SFO11:56 amSan Francisco
Sep 4
SFO12:50 pmSan Francisco
8h 55m
1 stop
YKF12:45 amToronto Region of Waterloo Intl
$264
Find similar
WestJet
Sep 27
YHM6:00 amHamilton
8h 54m
1 stop
SFO11:54 amSan Francisco
Oct 4
SFO12:50 pmSan Francisco
8h 50m
1 stop
YHM12:40 amHamilton
$265
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Toronto 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, momondo users made 832,500 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Toronto to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 9/24

9:45 am-5:25 pm

1 stop10h 40m

San Francisco

Sun 9/28

10:15 am-6:47 am

2 stops17h 32m

$244

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 9/24

9:45 am-5:25 pm

1 stop10h 40m

San Francisco

Sun 9/28

10:15 am-6:47 am

2 stops17h 32m

$245

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 9/24

9:45 am-5:25 pm

1 stop10h 40m

San Francisco

Sun 9/28

10:15 am-6:47 am

2 stops17h 32m

$246

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 8/28

6:00 am-11:56 am

1 stop8h 56m

San Francisco

Thu 9/4

12:50 pm-12:45 am

1 stop8h 55m

$263

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 8/28

6:00 am-11:56 am

1 stop8h 56m

San Francisco

Thu 9/4

12:50 pm-12:45 am

1 stop8h 55m

$264

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 8/28

6:00 am-11:56 am

1 stop8h 56m

San Francisco

Wed 9/10

12:50 pm-12:45 am

1 stop8h 55m

$265

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Thu 9/4

12:25 pm-7:51 pm

1 stop10h 26m

San Francisco

Sat 9/13

8:30 am-9:34 pm

1 stop10h 04m

$318

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Thu 9/4

12:25 pm-7:51 pm

1 stop10h 26m

San Francisco

Sat 9/13

8:30 am-9:34 pm

1 stop10h 04m

$321

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Thu 9/4

12:25 pm-7:51 pm

1 stop10h 26m

San Francisco

Sat 9/13

8:30 am-9:34 pm

1 stop10h 04m

$322

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Fri 10/3

12:25 pm-7:51 pm

1 stop10h 26m

San Francisco

Mon 10/6

8:30 am-9:34 pm

1 stop10h 04m

$331

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Toronto to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Toronto and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $330.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Toronto to San Francisco is on a Friday when prices can be found for as low as $428. The most expensive day to fly to San Francisco is Tuesday, with ticket prices averaging around $780.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Toronto to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $430. Flights in the evening are often more expensive with an average ticket price of $920.

What is the cheapest Toronto to San Francisco flight route?

Fly from Toronto Pearson Intl to San Francisco for the best Toronto - San Francisco flight prices

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

You are more likely to see cheaper flights to San Francisco from Toronto when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $382 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Toronto for as low as $333 on momondo.

What cabin class options are available on Toronto to San Francisco flights?

There are 4 cabin classes available to choose from on Toronto to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Toronto to San Francisco flights?

You could potentially save up to 12% on your flight if you consider stops on a Toronto to San Francisco flight.

How have Toronto to San Francisco flight prices changed over time?

As of August 2025, prices for Toronto to San Francisco flights are approximately 47% cheaper when compared to flights at the same time last year.

When to book flights from Toronto to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Toronto to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Toronto to San Francisco (YTO to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto to San Francisco

Best Price Found

$128

Fastest flight time

5h 33m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Toronto in the past 72 hours is $128. The best round-trip flight deal from Toronto to San Francisco found on momondo in the last 72 hours is $244.
The fastest flight from Toronto to San Francisco takes 5h 33m
Direct flights go from Toronto to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

  • How far is Toronto to San Francisco by plane?

    San Francisco is 2261.8 mi away from Toronto. 5h 38m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Toronto to San Francisco Airport?

    Prices for flights from Toronto to San Francisco Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Toronto to San Francisco Airport?

  • How old do you have to be to fly from Toronto to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Toronto to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Toronto to San Francisco?

  • What is the most popular airline from Toronto to San Francisco?

Best airlines flying from Toronto to San Francisco

Compare and see reviews for airlines that fly from Toronto to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom $174Free CancellationRating
7.2
3,015 reviews
Search WestJet flights
Porter AirlinesPriceFrom $259Free CancellationRating
8.0
332 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $266Free CancellationRating
7.1
9,949 reviews
Search Air Canada flights
DeltaPriceFrom $308Free CancellationRating
8.0
7,980 reviews
Search Delta flights
Air TransatPriceFrom $313Free CancellationRating
7.7
427 reviews
Search Air Transat flights
United AirlinesPriceFrom $334Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights

  • Porter Airlines Flights From Toronto to San Francisco

    Porter Airlines flight deals from Toronto to San Francisco start from $259 round-trip. Over the 5 Porter Airlines flights for this route in a normal week, average airfare is usually $465 round-trip - but some users have found much cheaper deals with momondo.

  • Air Transat Flights From Toronto to San Francisco

    Another popular option for Toronto to San Francisco flights is Air Transat (7.7/10, 425 ratings). Air Transat flies from Toronto to San Francisco around 5 times per week, with deals starting from $313 round-trip and rising to an average price of around $365.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Calistoga
Sonoma
Hayward
Bodega Bay
Roseville
Santa Clara
Big Sur
Daly City
Fremont
Berkeley
Walnut Creek
Half Moon Bay
South San Francisco
Vallejo
Redwood City
Sunnyvale
Pacific Grove

Why use momondo?

Why should I use momondo to find a flight deal from Toronto to San Francisco?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Toronto to San Francisco for you.

Can I find flights from Toronto to San Francisco with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Francisco from Toronto with this policy.

How can momondo help me find flights from Toronto to San Francisco?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Toronto to San Francisco.

I’m not ready to book a flight from Toronto to San Francisco right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Toronto to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your San Francisco trip

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