How often are flights from Toronto to San Francisco delayed?

Historically, on average around 23% of flights between Toronto and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 150 minutes.

How many flights depart from Toronto to San Francisco on average per week?

As of December 2025, 111 flights take off from Toronto and land in San Francisco each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.

How long does it take to fly to San Francisco?

The average flight duration from Toronto to San Francisco depends on which airport you fly into and out of. Flying from Toronto to San Francisco is 8h 03m on average, while flying from Hamilton to San Francisco is 8h 54m on average. San Francisco is the most popular airport in San Francisco.

Which airline has the best punctuality record on Toronto to San Francisco flights?

According to our data, Porter Airlines has had the least delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

Which layover airport has the shortest connection time from Toronto to San Francisco?

Montreal (YUL) has the shortest average layover time for this route: 1h 23m.

What is the most punctual flight time for Toronto to San Francisco flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What is the cheapest airline that flies from Toronto to San Francisco?

WestJet, United Airlines, and Air Canada are the most popular carriers operating from Toronto to San Francisco

How many flights depart from Toronto to San Francisco on average per day?

The number of flights available between Toronto and San Francisco is 15 per day as of December 2025. The most frequent departure time is 9:00a.m., with 51% of daily flights leaving at noon.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Which airport is the most popular layover for flights between Toronto and San Francisco?

Calgary (YYC) was the most common stop: 80% of momondo users choosing one-stop flights on this route connected there.

Which layover airport has the shortest travel time from Toronto to San Francisco?

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 8h 34m.

Which layover airport offers the lowest fares from Toronto to San Francisco?

Flights via Calgary (YYC) offer the lowest average round-trip price of C$ 374.

Which airlines fly to San Francisco?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to San Francisco from Toronto according to our data. Air Canada is the first choice among our users, with 40% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 8 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

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?

As of December 2025, there are 7 operators available to choose from 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Toronto to San Francisco Airport.

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

The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 200 Cheap Flights from Toronto to San Francisco in 2025/26

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9:50 a.m. - 12:43 p.m.

YYZ

SFO

5h 53mdirect

1:00 p.m. - 5:58 a.m.

SFO

YYZ

13h 58m2 stops

C$ 385Multiple Airlines

Mon, 12 Jan - Fri, 16 Jan

8:00 p.m. - 5:58 p.m.

YYZ

SFO

24h 58m2 stops

7:15 p.m. - 6:20 a.m.

SFO

YYZ

8h 05m1 stop

C$ 387Multiple Airlines

Sun, 22 Feb - Sat, 28 Feb

9:50 a.m. - 12:43 p.m.

YYZ

SFO

5h 53mdirect

1:00 p.m. - 12:26 a.m.

SFO

YYZ

8h 26m1 stop

C$ 388Multiple Airlines

Thu, 15 Jan - Fri, 30 Jan

9:50 a.m. - 12:43 p.m.

YYZ

SFO

5h 53mdirect

1:45 p.m. - 9:42 p.m.

SFO

YYZ

4h 57mdirect

C$ 391Porter Airlines

Thu, 15 Jan - Fri, 30 Jan

8:00 a.m. - 12:12 p.m.

YYZ

SFO

31h 12m2 stops

1:00 p.m. - 5:23 p.m.

SFO

YYZ

25h 23m2 stops

C$ 392WestJet

Sat, 17 Jan - Tue, 20 Jan

6:00 a.m. - 11:54 a.m.

YKF

SFO

8h 54m1 stop

12:50 p.m. - 12:45 a.m.

SFO

YKF

8h 55m1 stop

C$ 395WestJet

Wed, 13 May - Sun, 24 May

4:45 p.m. - 2:00 p.m.

YYZ

SFO

24h 15m1 stop

2:30 p.m. - 3:35 p.m.

SFO

YYZ

22h 05m1 stop

C$ 395Alaska Airlines

Tue, 13 Jan - Tue, 20 Jan

9:50 a.m. - 12:45 p.m.

YYZ

SFO

5h 55mdirect

1:45 p.m. - 9:42 p.m.

SFO

YYZ

4h 57mdirect

C$ 397Porter Airlines

Wed, 18 Feb - Sat, 21 Feb

3:30 p.m. - 9:22 p.m.

YTZ

SFO

8h 52m1 stop

8:25 a.m. - 7:55 p.m.

SFO

YTZ

8h 30m1 stop

C$ 463Air Canada

Tue, 13 Jan - Tue, 20 Jan

3:30 p.m. - 9:22 p.m.

YTZ

SFO

8h 52m1 stop

8:25 a.m. - 9:35 p.m.

SFO

YTZ

10h 10m1 stop

C$ 464Air Canada

Sat, 17 Jan - Mon, 26 Jan

Air Transat flights from Toronto to San Francisco

Our best Air Transat deals on Toronto to San Francisco flight tickets

Air Transat

22 Feb

YYZ9:50 a.m.Toronto Pearson Intl

5h 55m

SFO12:45 p.m.San Francisco

28 Feb

SFO1:45 p.m.San Francisco

4h 57m

YYZ9:42 p.m.Toronto Pearson Intl

C$ 405

Find similar

Air Transat

12 Jan

YYZ9:50 a.m.Toronto Pearson Intl

5h 53m

SFO12:43 p.m.San Francisco

18 Jan

SFO1:45 p.m.San Francisco

4h 57m

YYZ9:42 p.m.Toronto Pearson Intl

C$ 410

Find similar

Air Transat

19 Jan

YYZ9:50 a.m.Toronto Pearson Intl

5h 53m

SFO12:43 p.m.San Francisco

26 Jan

SFO1:45 p.m.San Francisco

4h 57m

YYZ9:42 p.m.Toronto Pearson Intl

C$ 420

Find similar

WestJet flights from Toronto to San Francisco

Our best WestJet deals on Toronto to San Francisco flight tickets

WestJet

17 Jan

YYZ8:00 a.m.Toronto Pearson Intl

31h 12m

2 stops

SFO12:12 p.m.San Francisco

20 Jan

SFO1:00 p.m.San Francisco

25h 23m

2 stops

YYZ5:23 p.m.Toronto Pearson Intl

C$ 392

Find similar

WestJet

13 May

YKF6:00 a.m.Toronto Region of Waterloo Intl

8h 54m

1 stop

SFO11:54 a.m.San Francisco

24 May

SFO12:50 p.m.San Francisco

8h 55m

1 stop

YKF12:45 a.m.Toronto Region of Waterloo Intl

C$ 395

Find similar

WestJet

26 May

YKF6:00 a.m.Toronto Region of Waterloo Intl

8h 54m

1 stop

SFO11:54 a.m.San Francisco

2 Jun

SFO7:30 a.m.San Francisco

14h 15m

1 stop

YKF12:45 a.m.Toronto Region of Waterloo Intl

C$ 399

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 12/1

9:50 a.m.-12:43 p.m.

Nonstop5h 53m

San Francisco

Fri 16/1

1:00 p.m.-5:58 a.m.

2 stops13h 58m

C$ 385

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sun 22/2

8:00 p.m.-5:58 p.m.

2 stops24h 58m

San Francisco

Sat 28/2

7:15 p.m.-6:20 a.m.

1 stop8h 05m

C$ 387

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 15/1

9:50 a.m.-12:43 p.m.

Nonstop5h 53m

San Francisco

Fri 30/1

1:00 p.m.-12:26 a.m.

1 stop8h 26m

C$ 388

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 15/1

9:50 a.m.-12:43 p.m.

Nonstop5h 53m

San Francisco

Fri 30/1

1:45 p.m.-9:42 p.m.

Nonstop4h 57m

C$ 391

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 17/1

8:00 a.m.-12:12 p.m.

2 stops31h 12m

San Francisco

Tue 20/1

1:00 p.m.-5:23 p.m.

2 stops25h 23m

C$ 392

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Wed 13/5

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Sun 24/5

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 395

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 13/1

4:45 p.m.-2:00 p.m.

1 stop24h 15m

San Francisco

Tue 20/1

2:30 p.m.-3:35 p.m.

1 stop22h 05m

C$ 395

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 18/2

9:50 a.m.-12:45 p.m.

Nonstop5h 55m

San Francisco

Sat 21/2

1:45 p.m.-9:42 p.m.

Nonstop4h 57m

C$ 397

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Tue 13/1

3:30 p.m.-9:22 p.m.

1 stop8h 52m

San Francisco

Tue 20/1

8:25 a.m.-7:55 p.m.

1 stop8h 30m

C$ 463

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Sat 17/1

3:30 p.m.-9:22 p.m.

1 stop8h 52m

San Francisco

Mon 26/1

8:25 a.m.-9:35 p.m.

1 stop10h 10m

C$ 464

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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

Prices

Airlines

Delays

Layovers

Other information

What is the cheapest month to fly to San Francisco?

The cheapest month to fly to San Francisco from Toronto is in April. Flight prices, which tend to average around C$ 446, are often lower during this time because this is during the off-season. The month of March is another great option to travel to San Francisco, with average flight prices from Toronto averaging around C$ 449.

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. Travellers who choose to depart for San Francisco on a Friday will often find tickets for as low as C$ 760. On the other hand, Monday is the most expensive day to depart from Toronto because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,198.

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

Flying to San Francisco from Toronto at noon is the least expensive time of day to depart. momondo users have found prices as low as C$ 679 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to San Francisco is in the evening when prices are around C$ 1,397.

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 C$ 509 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 C$ 442 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 8% 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 December 2025, prices for Toronto to San Francisco flights are approximately 16% 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	C$ 308
Fastest flight time	5h 34m
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 C$ 308. The best round-trip flight deal from Toronto to San Francisco found on momondo in the last 72 hours is C$ 597.

The fastest flight from Toronto to San Francisco takes 5h 34m

Direct flights go from Toronto to San Francisco every day.

There is 1 airport in San Francisco. From Toronto there are direct flights to San Francisco (SFO).

Search flight deals

How far is Toronto to San Francisco by plane?
The straight-line distance from Toronto to San Francisco is 3640.0 km. A reasonable flight in good conditions will take 5h 34m.
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?
As of December 2025, there are 7 operators available to choose from 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Toronto to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Toronto to San Francisco?
momondo data reveals that the most frequently booked plane model on the route from Toronto to San Francisco is Embraer 195 E2, representing 59.16% of all bookings. The subsequent popular models are Boeing 737-800 at 11.71%, Boeing 737 MAX 8 at 8.24%, and Airbus A320-100/200 at 7.69%.
What is the most popular airline from Toronto to San Francisco?
Based on momondo bookings for flights between Toronto and San Francisco, the leading airline is Air Canada, making up 39% of the total bookings. Other popular airlines include Porter Airlines with 39%, WestJet with 10%, and United Airlines with 8%.

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
American Airlines	PriceFrom C$ 256	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
WestJet	PriceFrom C$ 286	Free Cancellation	Rating 7.2 3,216 reviews	Search WestJet flights
Delta	PriceFrom C$ 286	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
Porter Airlines	PriceFrom C$ 318	Free Cancellation	Rating 8.0 399 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 328	Free Cancellation	Rating 7.1 10,551 reviews	Search Air Canada flights
Air Transat	PriceFrom C$ 374	Free Cancellation	Rating 7.8 484 reviews	Search Air Transat flights
United Airlines	PriceFrom C$ 430	Free Cancellation	Rating 7.4 9,106 reviews	Search United Airlines flights

Porter Airlines Flights From Toronto to San Francisco
Across 7 Porter Airlines flights from Toronto to San Francisco this week, the average price was C$ 470, with the best Porter Airlines deals starting from C$ 318 round-trip. 399 users have rated Porter Airlines on momondo, with an average score of 8.0/10.
Air Transat Flights From Toronto to San Francisco
The best Air Transat deal for Toronto to San Francisco flight tickets found on momondo in the last 72 hours was C$ 374, round-trip. It should be noted that an average Air Transat flight deal for this route in this time was higher, at C$ 530 round-trip. Air Transat operates 7 flights out of Toronto into San Francisco in an average week, so prices vary by time and availability. 484 Air Transat reviews by users on momondo have scored the airline at 7.8/10.

San Mateo

Belmont

Los Altos

San Bruno

Santa Cruz

Newark

Milpitas

Carmel-by-the-Sea

Turlock

South San Francisco

Palo Alto

Burlingame

Cupertino

Mill Valley

Morgan Hill

Los Banos

Pacifica

Mountain View

Woodland

Roseville

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 allows you to filter the results for Toronto to San Francisco flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Toronto and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to San Francisco from Toronto. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Toronto to San Francisco from C$ 200

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 27/1. 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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Air Transat flights from Toronto to San Francisco

Our best Air Transat deals on Toronto to San Francisco flight tickets

WestJet flights from Toronto to San Francisco

Our best WestJet deals on Toronto to San Francisco flight tickets

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See travel insights to San Francisco from

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

What is the cheapest month to fly to San Francisco?

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

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

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?

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 8% 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 December 2025, prices for Toronto to San Francisco flights are approximately 16% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Toronto to San Francisco?

WestJet, United Airlines, and Air Canada are the most popular carriers operating from Toronto to San Francisco

Which airlines fly to San Francisco?

How often are flights from Toronto to San Francisco delayed?

Historically, on average around 23% of flights between Toronto and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 150 minutes.

What is the most punctual flight time for Toronto to San Francisco flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Toronto to San Francisco flights?

According to our data, Porter Airlines has had the least delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Toronto and San Francisco?

Calgary (YYC) was the most common stop: 80% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from Toronto to San Francisco?

Flights via Calgary (YYC) offer the lowest average round-trip price of C$ 374.

Which layover airport has the shortest travel time from Toronto to San Francisco?

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 8h 34m.

Which layover airport has the shortest connection time from Toronto to San Francisco?

Montreal (YUL) has the shortest average layover time for this route: 1h 23m.

How many flights depart from Toronto to San Francisco on average per day?

The number of flights available between Toronto and San Francisco is 15 per day as of December 2025. The most frequent departure time is 9:00a.m., with 51% of daily flights leaving at noon.

How many flights depart from Toronto to San Francisco on average per week?

As of December 2025, 111 flights take off from Toronto and land in San Francisco each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.

How long does it take to fly to San Francisco?

The average flight duration from Toronto to San Francisco depends on which airport you fly into and out of. Flying from Toronto to San Francisco is 8h 03m on average, while flying from Hamilton to San Francisco is 8h 54m on average. San Francisco is the most popular airport in San Francisco.

When to book flights from Toronto to San Francisco

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

Fastest flight time

Direct flights

Airports in San Francisco

How far is Toronto to San Francisco by plane?

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

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?

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

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

Porter Airlines Flights From Toronto to San Francisco

Air Transat Flights From Toronto to San Francisco

Travelling to a place near San Francisco?

Why use momondo?