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Cheap flights from Toronto to San Francisco from $141

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 10/16. 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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0 bags

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Cheap round-trip flights

 Logo
11:00 am - 9:32 pmYYZ-SFO
13h 32m2 stops
 Logo
8:48 am - 7:58 pmSFO-YYZ
8h 10m1 stop
Wed, Sep 10 - Wed, Sep 24
 Logo
9:45 am - 5:25 pmYYZ-SFO
10h 40m1 stop
 Logo
8:48 am - 7:58 pmSFO-YYZ
8h 10m1 stop
Wed, Sep 10 - Wed, Sep 24
WestJet Logo
6:30 am - 1:57 pmYYZ-SFO
10h 27m1 stop
WestJet Logo
12:50 pm - 5:51 amSFO-YYZ
14h 01m2 stops
$253WestJet
Find Deal
Sun, Oct 5 - Wed, Oct 15
WestJet Logo
12:00 pm - 9:24 pmYYZ-SFO
12h 24m2 stops
WestJet Logo
2:45 pm - 6:12 amSFO-YYZ
12h 27m2 stops
$254WestJet
Find Deal
Sat, Sep 20 - Sun, Sep 28
WestJet Logo
1:30 pm - 9:24 pmYYZ-SFO
10h 54m1 stop
WestJet Logo
12:50 pm - 12:22 amSFO-YYZ
8h 32m1 stop
$255WestJet
Find Deal
Thu, Sep 4 - Mon, Sep 8
WestJet Logo
1:30 pm - 9:24 pmYYZ-SFO
10h 54m1 stop
WestJet Logo
7:30 am - 6:52 pmSFO-YYZ
8h 22m1 stop
$256WestJet
Find Deal
Fri, Oct 10 - Mon, Oct 13
Porter Airlines Logo
9:45 am - 12:23 pmYYZ-SFO
5h 38mnonstop
Porter Airlines Logo
1:25 pm - 9:29 pmSFO-YYZ
5h 04mnonstop
$281Porter Airlines
Find Deal
Fri, Aug 15 - Sun, Aug 24
Porter Airlines Logo
9:45 am - 12:23 pmYYZ-SFO
5h 38mnonstop
Porter Airlines Logo
1:25 pm - 9:29 pmSFO-YYZ
5h 04mnonstop
$292Porter Airlines
Find Deal
Fri, Aug 15 - Mon, Aug 25
Air Canada Logo
12:25 pm - 8:36 pmYTZ-SFO
11h 11m1 stop
Air Canada Logo
8:30 am - 9:34 pmSFO-YTZ
10h 04m1 stop
$315Air Canada
Find Deal
Mon, Sep 29 - Mon, Oct 6
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
$316Air Canada
Find Deal
Tue, Nov 25 - Sat, Jan 10

Air Canada flights from Toronto to San Francisco

Our best Air Canada deals on Toronto to San Francisco flight tickets
Air Canada
Sep 29
YTZ12:25 pmToronto Island
11h 11m
1 stop
SFO8:36 pmSan Francisco
Oct 6
SFO8:30 amSan Francisco
10h 04m
1 stop
YTZ9:34 pmToronto Island
Air Canada
Nov 25
YTZ3:30 pmToronto Island
8h 52m
1 stop
SFO9:22 pmSan Francisco
Jan 10
SFO8:25 amSan Francisco
10h 10m
1 stop
YTZ9:35 pmToronto Island
Air Canada
Sep 13
YTZ12:25 pmToronto Island
11h 11m
1 stop
SFO8:36 pmSan Francisco
Sep 27
SFO8:30 amSan Francisco
10h 04m
1 stop
YTZ9:34 pmToronto Island

Porter Airlines flights from Toronto to San Francisco

Our best Porter Airlines deals on Toronto to San Francisco flight tickets
Porter Airlines
Aug 15
YYZ9:45 amToronto Pearson Intl
5h 38m
SFO12:23 pmSan Francisco
Aug 24
SFO1:25 pmSan Francisco
5h 04m
YYZ9:29 pmToronto Pearson Intl
Porter Airlines
Aug 15
YYZ9:45 amToronto Pearson Intl
5h 38m
SFO12:23 pmSan Francisco
Aug 25
SFO1:25 pmSan Francisco
5h 04m
YYZ9:29 pmToronto Pearson Intl
Porter Airlines
Sep 20
YYZ9:45 amToronto Pearson Intl
5h 38m
SFO12:23 pmSan Francisco
Sep 27
SFO1:25 pmSan Francisco
4h 59m
YYZ9:24 pmToronto Pearson Intl

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 $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 $443. The most expensive day to fly to San Francisco is Tuesday, with ticket prices averaging around $761.

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 $414. Flights in the evening are often more expensive with an average ticket price of $915.

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 $387 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 $340 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 1% 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 July 2025, prices for Toronto to San Francisco flights are approximately 15% 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

$141

Fastest flight time

5h 38m

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 $141. The best round-trip flight deal from Toronto to San Francisco found on momondo in the last 72 hours is $240.
The fastest flight from Toronto to San Francisco takes 5h 38m
Direct flights go from Toronto to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)

  • 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
2,917 reviews
Search WestJet flights
Porter AirlinesPriceFrom $248Free CancellationRating
8.0
298 reviews
Search Porter Airlines flights
Air TransatPriceFrom $266Free CancellationRating
7.8
407 reviews
Search Air Transat flights
Air CanadaPriceFrom $269Free CancellationRating
7.1
9,678 reviews
Search Air Canada flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $308Free CancellationRating
8.0
7,983 reviews
Search Delta flights
United AirlinesPriceFrom $334Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
  • Porter Airlines Flights From Toronto to San Francisco

    Porter Airlines flight deals from Toronto to San Francisco start from $248 round-trip. Over the 5 Porter Airlines flights for this route in a normal week, average airfare is usually $455 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 (7.8/10, 407 ratings). Air Transat flies from Toronto to San Francisco around 5 times per week, with deals starting from $266 round-trip and rising to an average price of around $375.


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


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1 adult
Tue 7/8
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