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

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 8h 20m.

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

The number of flights available between Toronto and San Francisco is 20 per day as of September 2025. The most frequent departure time is 6:00p.m., with 53% of daily flights leaving at noon.

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

Calgary (YYC) was the most common stop: 70% of momondo users choosing one-stop flights on this route connected there.

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

As of September 2025, 143 flights take off from Toronto and land in San Francisco each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

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$ 379.

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

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

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.

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 45% 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.

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 7h 47m 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 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 September 2025, there are 8 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$ 201 Cheap Flights from Toronto to San Francisco in 2025/26

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Find the cheapest flights from Toronto to San Francisco

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

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

8h 54m1 stop

12:50 p.m. - 12:40 a.m.SFO-YHM

8h 50m1 stop

C$ 335WestJet

Find Deal

Mon, 6 Oct - Sat, 11 Oct

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

8h 54m1 stop

12:50 p.m. - 12:40 a.m.SFO-YHM

8h 50m1 stop

C$ 336WestJet

Find Deal

Mon, 6 Oct - Sun, 12 Oct

7:05 a.m. - 9:30 a.m.YHM-SFO

29h 25m1 stop

10:15 a.m. - 11:59 p.m.SFO-YHM

10h 44m1 stop

C$ 338

Find Deal

Wed, 22 Oct - Sat, 25 Oct

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

8h 54m1 stop

12:50 p.m. - 12:40 a.m.SFO-YHM

8h 50m1 stop

C$ 347WestJet

Find Deal

Tue, 7 Oct - Thu, 9 Oct

9:45 a.m. - 12:40 p.m.YYZ-SFO

5h 55mdirect

1:40 p.m. - 9:37 p.m.SFO-YYZ

4h 57mdirect

C$ 375Porter Airlines

Find Deal

Fri, 31 Oct - Mon, 10 Nov

6:00 a.m. - 9:30 a.m.YHM-SFO

30h 30m2 stops

12:50 p.m. - 12:40 a.m.SFO-YHM

8h 50m1 stop

C$ 375

Find Deal

Mon, 6 Oct - Sat, 11 Oct

9:45 a.m. - 12:40 p.m.YYZ-SFO

5h 55mdirect

1:40 p.m. - 9:37 p.m.SFO-YYZ

4h 57mdirect

C$ 392Porter Airlines

Find Deal

Sun, 26 Oct - Sat, 1 Nov

10:25 a.m. - 9:22 p.m.YTZ-SFO

13h 57m2 stops

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

10h 10m1 stop

C$ 394Air Canada

Find Deal

Tue, 28 Oct - Tue, 4 Nov

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$ 399Air Canada

Find Deal

Tue, 28 Oct - Tue, 4 Nov

4:45 p.m. - 11:50 p.m.YYZ-SFO

10h 05m1 stop

8:43 p.m. - 3:35 p.m.SFO-YYZ

15h 52m1 stop

C$ 432Alaska Airlines

Find Deal

Thu, 13 Nov - Mon, 17 Nov

WestJet flights from Toronto to San Francisco

Our best WestJet deals on Toronto to San Francisco flight tickets

WestJet

6 Oct

YHM6:00 a.m.Hamilton

8h 54m

1 stop

SFO11:54 a.m.San Francisco

11 Oct

SFO12:50 p.m.San Francisco

8h 50m

1 stop

YHM12:40 a.m.Hamilton

C$ 335

Find similar

WestJet

6 Oct

YHM6:00 a.m.Hamilton

8h 54m

1 stop

SFO11:54 a.m.San Francisco

12 Oct

SFO12:50 p.m.San Francisco

8h 50m

1 stop

YHM12:40 a.m.Hamilton

C$ 336

Find similar

WestJet

7 Oct

YHM6:00 a.m.Hamilton

8h 54m

1 stop

SFO11:54 a.m.San Francisco

9 Oct

SFO12:50 p.m.San Francisco

8h 50m

1 stop

YHM12:40 a.m.Hamilton

C$ 347

Find similar

Porter Airlines flights from Toronto to San Francisco

Our best Porter Airlines deals on Toronto to San Francisco flight tickets

Porter Airlines

31 Oct

YYZ9:45 a.m.Toronto Pearson Intl

5h 55m

SFO12:40 p.m.San Francisco

10 Nov

SFO1:40 p.m.San Francisco

4h 57m

YYZ9:37 p.m.Toronto Pearson Intl

C$ 375

Find similar

Porter Airlines

26 Oct

YYZ9:45 a.m.Toronto Pearson Intl

5h 55m

SFO12:40 p.m.San Francisco

1 Nov

SFO1:40 p.m.San Francisco

4h 57m

YYZ9:37 p.m.Toronto Pearson Intl

C$ 392

Find similar

Porter Airlines

15 Oct

YYZ9:45 a.m.Toronto Pearson Intl

5h 38m

SFO12:23 p.m.San Francisco

29 Oct

SFO1:40 p.m.San Francisco

4h 57m

YYZ9:37 p.m.Toronto Pearson Intl

C$ 417

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Mon 6/10

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

1 stop8h 54m

San Francisco

Sat 11/10

12:50 p.m.-12:40 a.m.

1 stop8h 50m

C$ 335

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Mon 6/10

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

1 stop8h 54m

San Francisco

Sun 12/10

12:50 p.m.-12:40 a.m.

1 stop8h 50m

C$ 336

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 22/10

7:05 a.m.-9:30 a.m.

1 stop29h 25m

San Francisco

Sat 25/10

10:15 a.m.-11:59 p.m.

1 stop10h 44m

C$ 338

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 7/10

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

1 stop8h 54m

San Francisco

Thu 9/10

12:50 p.m.-12:40 a.m.

1 stop8h 50m

C$ 347

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 31/10

9:45 a.m.-12:40 p.m.

Nonstop5h 55m

San Francisco

Mon 10/11

1:40 p.m.-9:37 p.m.

Nonstop4h 57m

C$ 375

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Mon 6/10

6:00 a.m.-9:30 a.m.

2 stops30h 30m

San Francisco

Sat 11/10

12:50 p.m.-12:40 a.m.

1 stop8h 50m

C$ 375

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sun 26/10

9:45 a.m.-12:40 p.m.

Nonstop5h 55m

San Francisco

Sat 1/11

1:40 p.m.-9:37 p.m.

Nonstop4h 57m

C$ 392

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Tue 28/10

10:25 a.m.-9:22 p.m.

2 stops13h 57m

San Francisco

Tue 4/11

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

1 stop10h 10m

C$ 394

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Tue 28/10

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

1 stop8h 52m

San Francisco

Tue 4/11

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

1 stop10h 10m

C$ 399

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 13/11

4:45 p.m.-11:50 p.m.

1 stop10h 05m

San Francisco

Mon 17/11

8:43 p.m.-3:35 p.m.

1 stop15h 52m

C$ 432

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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$ 448, 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$ 461.

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$ 770. 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$ 1,241.

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$ 649 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$ 1,390.

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$ 524 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$ 460 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 40% 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 19% 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$ 335
Fastest flight time	5h 28m
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$ 335. The best round-trip flight deal from Toronto to San Francisco found on momondo in the last 72 hours is C$ 612.

The fastest flight from Toronto to San Francisco takes 5h 28m

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?
The straight-line distance from Toronto to San Francisco is 3640.0 km. A reasonable flight in good conditions will take 5h 38m.
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 September 2025, there are 8 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 42.08% of all bookings. The subsequent popular models are Boeing 737-800 at 20.90%, Boeing 737-900 at 14.96%, and Airbus A350-900 at 5.44%.
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 41% of the total bookings. Other popular airlines include Porter Airlines with 34%, WestJet with 9%, and Air Transat 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$ 258	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
WestJet	PriceFrom C$ 287	Free Cancellation	Rating 7.2 3,091 reviews	Search WestJet flights
Delta	PriceFrom C$ 299	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
Air Canada	PriceFrom C$ 330	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Porter Airlines	PriceFrom C$ 347	Free Cancellation	Rating 7.9 363 reviews	Search Porter Airlines flights
Alaska Airlines	PriceFrom C$ 423	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Air Transat	PriceFrom C$ 426	Free Cancellation	Rating 7.7 438 reviews	Search Air Transat flights
United Airlines	PriceFrom C$ 430	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights

Porter Airlines Flights From Toronto to San Francisco
Across 5 Porter Airlines flights from Toronto to San Francisco this week, the average price was C$ 353, with the best Porter Airlines deals starting from C$ 251 round-trip. 363 users have rated Porter Airlines on momondo, with an average score of 7.9/10.
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$ 308, round-trip. It should be noted that an average Air Transat flight deal for this route in this time was higher, at C$ 371 round-trip. Air Transat operates 5 flights out of Toronto into San Francisco in an average week, so prices vary by time and availability. 438 Air Transat reviews by users on momondo have scored the airline at 7.7/10.

San Mateo

Belmont

Los Altos

San Bruno

Santa Cruz

Newark

Fremont

Turlock

South San Francisco

Mountain View

Sunnyvale

Half Moon Bay

Cupertino

Carmel-by-the-Sea

Mill Valley

Los Banos

Palo Alto

Pacifica

Roseville

Woodland

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.

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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Cheap flights from Toronto to San Francisco from C$ 201

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 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

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Filter for what you want

Trusted and free

Trusted and free

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Cheap round-trip flights

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Cheap last-minute flights

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WestJet flights from Toronto to San Francisco

Our best WestJet deals on Toronto to San Francisco flight tickets

Porter Airlines flights from Toronto to San Francisco

Our best Porter Airlines deals on Toronto to San Francisco flight tickets

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Use the filters below to find and compare flights from Toronto to San Francisco that are best for you.

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?

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 40% 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 19% cheaper when compared to flights at the same time last year.

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

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

Which airlines fly to San Francisco?

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

Calgary (YYC) was the most common stop: 70% 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$ 379.

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

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 8h 20m.

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 20 per day as of September 2025. The most frequent departure time is 6:00p.m., with 53% of daily flights leaving at noon.

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

As of September 2025, 143 flights take off from Toronto and land in San Francisco each week. The most common flight departure day for this route is Mon, with 15% 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 7h 47m 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?

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

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

How can momondo help me find flights 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?

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.

Get notified when prices go down