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Cheap flights from Toronto to San Francisco from $146

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 10/7. 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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Cheap round-trip flights

WestJet Logo
6:00 am - 11:54 amYHM-SFO
8h 54m1 stop
WestJet Logo
12:50 pm - 12:40 amSFO-YHM
8h 50m1 stop
$242WestJet
Find Deal
Mon, Oct 6 - Sat, Oct 11
WestJet Logo
6:00 am - 11:54 amYHM-SFO
8h 54m1 stop
WestJet Logo
12:50 pm - 12:40 amSFO-YHM
8h 50m1 stop
$243WestJet
Find Deal
Mon, Oct 6 - Sun, Oct 12
WestJet Logo
6:00 am - 11:54 amYHM-SFO
8h 54m1 stop
WestJet Logo
12:50 pm - 12:40 amSFO-YHM
8h 50m1 stop
$252WestJet
Find Deal
Mon, Oct 6 - Thu, Oct 9
WestJet Logo
6:00 am - 11:54 amYHM-SFO
8h 54m1 stop
WestJet Logo
12:50 pm - 12:40 amSFO-YHM
8h 50m1 stop
$254WestJet
Find Deal
Wed, Oct 15 - Wed, Oct 22
Multiple Airlines Logo
6:00 am - 11:54 amYHM-SFO
8h 54m1 stop
Multiple Airlines Logo
10:15 am - 11:59 pmSFO-YHM
10h 44m1 stop
$263Multiple Airlines
Find Deal
Wed, Oct 1 - Mon, Oct 6
Porter Airlines Logo
9:45 am - 12:40 pmYYZ-SFO
5h 55mnonstop
Porter Airlines Logo
1:40 pm - 9:37 pmSFO-YYZ
4h 57mnonstop
$271Porter Airlines
Find Deal
Fri, Oct 31 - Mon, Nov 10
Multiple Airlines Logo
6:00 am - 9:30 amYHM-SFO
30h 30m2 stops
Multiple Airlines Logo
12:50 pm - 12:40 amSFO-YHM
8h 50m1 stop
$271Multiple Airlines
Find Deal
Mon, Oct 6 - Sat, Oct 11
Porter Airlines Logo
9:45 am - 12:40 pmYYZ-SFO
5h 55mnonstop
Porter Airlines Logo
1:40 pm - 9:37 pmSFO-YYZ
4h 57mnonstop
$272Porter Airlines
Find Deal
Fri, Dec 12 - Mon, Dec 15
Air Canada Logo
3:30 pm - 9:22 pmYTZ-SFO
8h 52m1 stop
Air Canada Logo
8:25 am - 9:35 pmSFO-YTZ
10h 10m1 stop
$294Air Canada
Find Deal
Mon, Nov 10 - Sun, Nov 30
Air Canada Logo
8:05 am - 10:54 amYYZ-SFO
5h 49mnonstop
Air Canada Logo
8:30 am - 4:28 pmSFO-YYZ
4h 58mnonstop
$294Air Canada
Find Deal
Mon, Nov 10 - Sun, Nov 30

Porter Airlines flights from Toronto to San Francisco

Our best Porter Airlines deals on Toronto to San Francisco flight tickets
Porter Airlines
Oct 31
YYZ9:45 amToronto Pearson Intl
5h 55m
SFO12:40 pmSan Francisco
Nov 10
SFO1:40 pmSan Francisco
4h 57m
YYZ9:37 pmToronto Pearson Intl
$271
Find similar
Porter Airlines
Dec 12
YYZ9:45 amToronto Pearson Intl
5h 55m
SFO12:40 pmSan Francisco
Dec 15
SFO1:40 pmSan Francisco
4h 57m
YYZ9:37 pmToronto Pearson Intl
$272
Find similar
Porter Airlines
Oct 29
YYZ9:45 amToronto Pearson Intl
5h 55m
SFO12:40 pmSan Francisco
Nov 3
SFO1:40 pmSan Francisco
4h 57m
YYZ9:37 pmToronto Pearson Intl
$277
Find similar

WestJet flights from Toronto to San Francisco

Our best WestJet deals on Toronto to San Francisco flight tickets
WestJet
Oct 6
YHM6:00 amHamilton
8h 54m
1 stop
SFO11:54 amSan Francisco
Oct 11
SFO12:50 pmSan Francisco
8h 50m
1 stop
YHM12:40 amHamilton
$242
Find similar
WestJet
Oct 6
YHM6:00 amHamilton
8h 54m
1 stop
SFO11:54 amSan Francisco
Oct 12
SFO12:50 pmSan Francisco
8h 50m
1 stop
YHM12:40 amHamilton
$243
Find similar
WestJet
Oct 6
YHM6:00 amHamilton
8h 54m
1 stop
SFO11:54 amSan Francisco
Oct 9
SFO12:50 pmSan Francisco
8h 50m
1 stop
YHM12:40 amHamilton
$252
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 September 17, 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

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Mon 10/6

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Sat 10/11

12:50 pm-12:40 am

1 stop8h 50m

$242

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Mon 10/6

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Sun 10/12

12:50 pm-12:40 am

1 stop8h 50m

$243

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Mon 10/6

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Thu 10/9

12:50 pm-12:40 am

1 stop8h 50m

$252

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 10/15

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Wed 10/22

12:50 pm-12:40 am

1 stop8h 50m

$254

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 10/1

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Mon 10/6

10:15 am-11:59 pm

1 stop10h 44m

$263

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 10/31

9:45 am-12:40 pm

Nonstop5h 55m

San Francisco

Mon 11/10

1:40 pm-9:37 pm

Nonstop4h 57m

$271

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Mon 10/6

6:00 am-9:30 am

2 stops30h 30m

San Francisco

Sat 10/11

12:50 pm-12:40 am

1 stop8h 50m

$271

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 12/12

9:45 am-12:40 pm

Nonstop5h 55m

San Francisco

Mon 12/15

1:40 pm-9:37 pm

Nonstop4h 57m

$272

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Mon 11/10

3:30 pm-9:22 pm

1 stop8h 52m

San Francisco

Sun 11/30

8:25 am-9:35 pm

1 stop10h 10m

$294

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 11/10

8:05 am-10:54 am

Nonstop5h 49m

San Francisco

Sun 11/30

8:30 am-4:28 pm

Nonstop4h 58m

$294

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 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 $333.

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 $431. The most expensive day to fly to San Francisco is Tuesday, with ticket prices averaging around $756.

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 $424. Flights in the evening are often more expensive with an average ticket price of $931.

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 $378 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 $332 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 13% 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 September 2025, prices for Toronto to San Francisco flights are approximately 18% 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

$209

Fastest flight time

5h 28m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Toronto in the past 72 hours is $209. The best round-trip flight deal from Toronto to San Francisco found on momondo in the last 72 hours is $406.
The fastest flight from Toronto to San Francisco takes 5h 28m
Direct flights go from Toronto to San Francisco on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Air Transat.
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 $172Free CancellationRating
7.2
3,095 reviews
Search WestJet flights
Porter AirlinesPriceFrom $257Free CancellationRating
7.9
365 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $269Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Air TransatPriceFrom $287Free CancellationRating
7.7
439 reviews
Search Air Transat flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $308Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $333Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

  • Porter Airlines Flights From Toronto to San Francisco

    Porter Airlines flight deals from Toronto to San Francisco start from $257 round-trip. Over the 5 Porter Airlines flights for this route in a normal week, average airfare is usually $438 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, 439 ratings). Air Transat flies from Toronto to San Francisco around 5 times per week, with deals starting from $287 round-trip and rising to an average price of around $393.

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
Sonoma
Calistoga
Bodega Bay
Roseville
Hayward
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Half Moon Bay
Walnut Creek
Vallejo
Redwood City
Salinas
South San Francisco
Fairfield

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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