What are the cheapest airlines flying from San Francisco to Toronto round-trip?

Our cheapest airline available from San Francisco to Toronto is WestJet. Our recent data shows that you can find tickets from as low as $269 on this airline. Additional options worth looking into are Flair Airlines and Porter Airlines, starting at $286 and $344 round-trip. You may be able to fly from San Francisco to Toronto for 41% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from San Francisco to Toronto one-way?

The cheapest airlines for a one-way flight from San Francisco to Toronto are WestJet ($135), Flair Airlines ($138), and Air Canada ($154).

What are the most popular routes from San Francisco to Toronto?

Most travelers choose San Francisco - Toronto Pearson Intl, San Francisco - Toronto Region of Waterloo Intl or San Francisco - Toronto Island when deciding on the best route from San Francisco to Toronto.

What are the cheapest flights from San Francisco to Toronto?

While on average a flight from San Francisco to Toronto is generally $1,187, our data shows the cheapest flight currently is $138. When looking at the most popular route, (San Francisco - Toronto Pearson Intl), you can expect to pay $236 for that flight.

What are the most reliable airlines from San Francisco to Toronto?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Toronto on time: United Airlines (71%), Austrian Airlines (66%), Singapore Airlines (66%).

What are the most popular airlines that fly from San Francisco to Toronto?

Before booking your flight from San Francisco to Toronto check out the most popular airlines for this route: American Airlines, Air Canada or Delta.

What is the cheapest day to fly round-trip from San Francisco to Toronto?

Saturday flights are generally found to be more expensive for flights from San Francisco to Toronto. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Toronto.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 45 days in advance, which can save you up to 38% on flights from San Francisco to Toronto compared to booking the week you need them. Waiting 45 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $407. For sooner than that we have options available in the next 3 days from $520.

What is the cheapest month to fly from San Francisco to Toronto?

Our data shows that February tends to be the cheapest month to fly to Toronto from San Francisco. Users have commonly found prices around $457 for the month, but tickets can be as low as $126. Due to multiple factors, prepare for potentially higher prices in December.

Most accurate provider : When it comes to deals on San Francisco-Toronto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Toronto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Toronto flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Francisco-Toronto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Toronto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from San Francisco to Toronto?

San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly out of when you book flights from San Francisco to Toronto. 7 airlines have flights from San Francisco to Toronto on a regular basis. Booking flights from San Francisco to Toronto should not be difficult; the airport handles an average of 18 outbound flights to Toronto per day.

Can I find deals for flights from San Francisco to Toronto that include hotel bookings?

Yes. In addition to deals on San Francisco to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San Francisco to Toronto?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Toronto.

Can I find deals for business class flights from San Francisco to Toronto?

Yes. Cheapflights offers flight deals from San Francisco to Toronto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$131+ Flights from San Francisco to Toronto

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from San Francisco to Toronto are usually found in February or March, booked 87 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap flight deals from San Francisco to Toronto

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$235 (Kiwi.com)
One-way from	$132 (Mytrip)
Popular in	December
Cheapest in	February
Average price	$375
Good round-trip deal	$388 or less
Good one-way deal	$177 or less

Provider with most accurate pricing for San Francisco-Toronto (YTO) flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Francisco-Toronto (YTO) flights.

Search Deals

From San Francisco to Toronto (YTO)

Search Deals

One-way flight from San Francisco to Toronto (YTO)

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($40 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from San Francisco to Toronto (YTO).

Search Deals

Price to beat on a one-way flight from San Francisco to Toronto (YTO).

Search Deals

Find flight deals from San Francisco to Toronto

Cheapest flights from San Francisco to Toronto
Explore the most affordable flight options available from San Francisco to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

Tue 4/291:45 pmSFO - YYZ

1 stop13h 10mMultiple Airlines

Wed 5/71:30 pmYYZ - SFO

2 stops21h 14mMultiple Airlines

Deal found 4/9

$235

Mon 8/412:50 pmSFO - YKF

1 stop8h 56mWestJet

Fri 8/86:00 amYKF - SFO

2 stops10h 59mWestJet

Deal found 4/11

$252

Thu 5/1510:15 amSFO - YKF

1 stop30h 10mMultiple Airlines

Mon 5/196:00 amYKF - SFO

1 stop9h 05mMultiple Airlines

Deal found 4/10

$256

Tue 7/87:30 amSFO - YYZ

2 stops14h 03mWestJet

Wed 7/163:00 pmYYZ - SFO

1 stop9h 25mWestJet

Deal found 4/10

$265

Thu 8/712:50 pmSFO - YHM

1 stop8h 51mWestJet

Tue 8/126:00 amYHM - SFO

2 stops10h 59mWestJet

Deal found 4/11

$271

Wed 5/1410:15 amSFO - YTZ

2 stops27h 12mMultiple Airlines

Sun 5/183:35 pmYTZ - SFO

2 stops20h 55mMultiple Airlines

Deal found 4/10

$282

Sat 5/1010:15 amSFO - YKF

1 stop17h 55mFlair Airlines

Sat 5/178:25 pmYKF - SFO

1 stop16h 05mFlair Airlines

Deal found 4/10

$286

Tue 4/291:40 pmSFO - YYZ

Nonstop5h 02mPorter Airlines

Thu 5/159:45 amYYZ - SFO

Nonstop5h 45mPorter Airlines

Deal found 4/10

$344

Mon 5/268:15 amSFO - YTZ

1 stop8h 35mAir Canada

Mon 6/210:20 amYTZ - SFO

2 stops12h 50mAir Canada

Deal found 4/10

$363

Fri 6/277:30 amSFO - YHM

1 stop12h 53mMultiple Airlines

Wed 7/26:00 amYHM - SFO

1 stop9h 05mMultiple Airlines

Deal found 4/10

$431

Best flights from San Francisco to Toronto
Discover carefully curated flight deals from San Francisco to Toronto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2025.

Tue 4/291:45 pmSFO - YYZ

1 stop13h 10mMultiple Airlines

Wed 5/71:30 pmYYZ - SFO

2 stops21h 14mMultiple Airlines

Deal found 4/9

$235

Wed 6/257:30 amSFO - YYZ

2 stops10h 33mWestJet

Thu 7/36:30 amYYZ - SFO

1 stop10h 29mWestJet

Deal found 4/10

$269

Sat 5/1010:15 amSFO - YKF

1 stop17h 55mFlair Airlines

Sat 5/178:25 pmYKF - SFO

1 stop16h 05mFlair Airlines

Deal found 4/10

$286

Tue 4/291:40 pmSFO - YYZ

Nonstop5h 02mPorter Airlines

Tue 5/139:45 amYYZ - SFO

Nonstop5h 45mPorter Airlines

Deal found 4/10

$344

Mon 5/268:15 amSFO - YTZ

1 stop8h 35mAir Canada

Mon 6/210:20 amYTZ - SFO

2 stops12h 50mAir Canada

Deal found 4/10

$363

Thu 5/1510:15 amSFO - YKF

1 stop30h 10mMultiple Airlines

Mon 5/196:00 amYKF - SFO

1 stop9h 05mMultiple Airlines

Deal found 4/10

$256

Tue 5/2712:50 pmSFO - YKF

1 stop8h 56mWestJet

Mon 6/26:00 amYKF - SFO

1 stop9h 05mWestJet

Deal found 4/11

$273

Wed 5/1410:15 amSFO - YTZ

2 stops27h 12mMultiple Airlines

Sun 5/183:35 pmYTZ - SFO

2 stops20h 55mMultiple Airlines

Deal found 4/10

$282

Wed 5/1412:50 pmSFO - YHM

1 stop8h 51mWestJet

Mon 5/196:00 amYHM - SFO

1 stop9h 05mWestJet

Deal found 4/10

$286

Fri 6/277:30 amSFO - YHM

1 stop12h 53mMultiple Airlines

Wed 7/26:00 amYHM - SFO

1 stop9h 05mMultiple Airlines

Deal found 4/10

$431

Last-minute flights from San Francisco to Toronto
Discover last-minute flight deals from San Francisco to Toronto. Data last updated April 11, 2025 and is based on user searches.

Wed 4/1610:47 amSFO - YYZ

1 stop16h 08mMultiple Airlines

Wed 4/302:00 pmYYZ - SFO

2 stops20h 44mMultiple Airlines

Deal found 4/9

$273

Wed 4/166:30 pmSFO - YYZ

2 stops15h 05mAmerican Airlines

Sat 4/266:45 amYYZ - SFO

2 stops12h 24mAmerican Airlines

Deal found 4/10

$565

Wed 4/168:20 amSFO - YTZ

1 stop8h 30mAir Canada

Sat 4/193:25 pmYTZ - SFO

1 stop9h 20mAir Canada

Deal found 4/10

$643

Wed 4/168:30 amSFO - YYZ

Nonstop5h 00mAir Canada

Sat 4/198:45 amYYZ - SFO

1 stop9h 50mAir Canada

Deal found 4/10

$645

Thu 4/174:49 pmSFO - YYZ

2 stops19h 11mAlaska Airlines

Tue 4/294:45 pmYYZ - SFO

2 stops20h 16mAlaska Airlines

Deal found 4/11

$516

Thu 4/171:40 pmSFO - YYZ

Nonstop5h 02mAir Transat

Thu 5/19:45 amYYZ - SFO

Nonstop5h 45mAir Transat

Deal found 4/9

$663

Sat 4/191:40 pmSFO - YYZ

Nonstop5h 02mPorter Airlines

Tue 4/299:45 amYYZ - SFO

Nonstop5h 54mPorter Airlines

Deal found 4/10

$523

Sat 4/198:18 pmSFO - YTZ

2 stops14h 39mMultiple Airlines

Tue 4/293:00 pmYTZ - SFO

1 stop11h 05mMultiple Airlines

Deal found 4/10

$564

Sat 4/197:00 amSFO - YYZ

1 stop13h 07mDelta

Tue 4/296:00 amYYZ - SFO

1 stop9h 40mDelta

Deal found 4/9

$617

Sat 4/1910:46 pmSFO - YYZ

1 stop11h 56mUnited Airlines

Wed 4/307:55 amYYZ - SFO

Nonstop5h 42mUnited Airlines

Deal found 4/9

$620

Sun 4/201:55 pmSFO - YKF

1 stop8h 21mWestJet

Fri 5/26:00 amYKF - SFO

1 stop9h 05mWestJet

Deal found 4/9

$637

Sun 4/201:55 pmSFO - YYZ

2 stops13h 03mWestJet

Mon 5/56:30 amYYZ - SFO

1 stop8h 35mWestJet

Deal found 4/9

$660

One-way flights from San Francisco to Toronto
Search for one-way flight options from San Francisco to Toronto. Find affordable one-way fares based on user searches. Data last updated April 11, 2025.

Mon 6/1610:15 amSFO - YHM

1 stop30h 44mMultiple Airlines

Deal found 4/10

$132

Mon 5/197:30 amSFO - YYZ

2 stops14h 05mWestJet

Deal found 4/10

$135

Mon 6/210:15 amSFO - YTZ

2 stops27h 12mMultiple Airlines

Deal found 4/9

$136

Fri 5/210:15 amSFO - YYZ

2 stops28h 33mMultiple Airlines

Deal found 4/10

$137

Sat 5/1010:15 amSFO - YYZ

1 stop11h 10mFlair Airlines

Deal found 4/10

$138

Sun 5/1812:50 pmSFO - YKF

1 stop8h 56mWestJet

Deal found 4/10

$140

Fri 5/3012:50 pmSFO - YHM

1 stop8h 51mWestJet

Deal found 4/10

$140

Sat 6/72:45 pmSFO - YKF

1 stop13h 25mMultiple Airlines

Deal found 4/11

$143

Wed 4/2310:15 amSFO - YKF

2 stops40h 00mFlair Airlines

Deal found 4/9

$144

Wed 4/2310:52 pmSFO - YYZ

Nonstop5h 08mAir Canada

Deal found 4/9

$154

Wed 4/238:20 amSFO - YTZ

1 stop10h 15mAir Canada

Deal found 4/9

$154

Wed 4/233:00 pmSFO - YYZ

2 stops21h 00mAlaska Airlines

Deal found 4/9

$166

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Tue 4/29

1:45 pm-5:55 am

1 stop13h 10m

Toronto Pearson Intl

Wed 5/7

1:30 pm-7:44 am

2 stops21h 14m

$235

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Mon 8/4

12:50 pm-12:46 am

1 stop8h 56m

Toronto Region of Waterloo Intl

Fri 8/8

6:00 am-1:59 pm

2 stops10h 59m

$252

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Thu 5/15

10:15 am-7:25 pm

1 stop30h 10m

Toronto Region of Waterloo Intl

Mon 5/19

6:00 am-12:05 pm

1 stop9h 05m

$256

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Tue 7/8

7:30 am-12:33 am

2 stops14h 03m

Toronto Pearson Intl

Wed 7/16

3:00 pm-9:25 pm

1 stop9h 25m

$265

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Thu 8/7

12:50 pm-12:41 am

1 stop8h 51m

Hamilton

Tue 8/12

6:00 am-1:59 pm

2 stops10h 59m

$271

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Wed 5/14

10:15 am-4:27 pm

2 stops27h 12m

Toronto Island

Sun 5/18

3:35 pm-9:30 am

2 stops20h 55m

$282

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Sat 5/10

10:15 am-7:10 am

1 stop17h 55m

Toronto Region of Waterloo Intl

Sat 5/17

8:25 pm-9:30 am

1 stop16h 05m

$286

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Tue 4/29

1:40 pm-9:42 pm

Nonstop5h 02m

Toronto Pearson Intl

Wed 5/14

9:45 am-12:30 pm

Nonstop5h 45m

$344

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Mon 5/26

8:15 am-7:50 pm

1 stop8h 35m

Toronto Island

Mon 6/2

10:20 am-8:10 pm

2 stops12h 50m

$363

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Fri 6/27

7:30 am-11:23 pm

1 stop12h 53m

Hamilton

Wed 7/2

6:00 am-12:05 pm

1 stop9h 05m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 28 results

Compare providers for flights from San Francisco to Toronto

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Toronto in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Trip.com	Price Accuracy1 star	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
Gotogate	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
Flightnetwork	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on San Francisco-Toronto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Toronto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Toronto flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Francisco-Toronto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Toronto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for San Francisco to Toronto flights

Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Toronto trip

Airlines

Air Canada

Air Canada offers lie-flat seats in Business Class for maximum comfort on longer flights.

Access over 2,500 hours of entertainment, including movies and series, on most flights.

Read more about Air Canadaby Jessica Macdonald

Porter Airlines

PorterReserve offers extra legroom with 36 inches and premium snacks, ideal for longer flights.

Enjoy free Wi-Fi and streaming on your device during flights, enhancing your travel experience.

Read more about Porter Airlinesby Daniel Scheffler

Air Transat

Club Class offers priority check-in and boarding, enhancing your travel efficiency.

Air Transat's Club Class provides 38 inches of seat pitch, ideal for comfort on longer flights.

Read more about Air Transatby Miquel Ros

Airports

SFO

Save time at SFO by using the AirTrain Red Line to quickly navigate between terminals and security checkpoints.

YYZ

At YYZ, expect a quick customs process even during peak hours, but prepare for a fair amount of walking from gate to customs.

Our travel experts

Jessica Macdonald

Expert on Air Canada

Daniel Scheffler

Expert on Porter Airlines

Miquel Ros

Expert on Air Transat

Kaitlyn McInnis

Expert on YYZ

Harriet Baskas

Expert on SFO

Best time to book a flight from San Francisco to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from San Francisco with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Toronto

How far ahead should I book a flight from San Francisco to Toronto?

The price you pay for your flight from San Francisco to Toronto may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Francisco to Toronto?

Currently, January is the cheapest month in which you can book a flight from San Francisco to Toronto (average of $243). Flying from San Francisco to Toronto in July is currently the most expensive (average of $359). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to YTO?

Unlike in the morning, when flights are generally more expensive, you can save up to 50% on flights from San Francisco to Toronto by exploring options for tickets at noon.

What is the cheapest day to fly from San Francisco to Toronto?

Travelers seeking maximum savings on their San Francisco to Toronto flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to Toronto

The most flights from SFO to YTO are scheduled on a Wednesday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in Toronto by month

In terms of precipitation, rainfall in Toronto ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Toronto when rainfall is around 2.0 in.

Temperature in Toronto by month

If weather is an important factor for your trip to Toronto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Toronto

Read reviews from past customers who have flown Alaska Airlines, Porter Airlines and Delta from San Francisco to Toronto. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,851 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Porter Airlines

8.0

Very good

280 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,910 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Air Transat

7.8

Good

385 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,636 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What airport do you fly from for flights from San Francisco to Toronto?
San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly out of when you book flights from San Francisco to Toronto. 7 airlines have flights from San Francisco to Toronto on a regular basis. Booking flights from San Francisco to Toronto should not be difficult; the airport handles an average of 18 outbound flights to Toronto per day.
What are the cheapest airlines flying from San Francisco to Toronto round-trip?
Our cheapest airline available from San Francisco to Toronto is WestJet. Our recent data shows that you can find tickets from as low as $269 on this airline. Additional options worth looking into are Flair Airlines and Porter Airlines, starting at $286 and $344 round-trip. You may be able to fly from San Francisco to Toronto for 41% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from San Francisco to Toronto one-way?
The cheapest airlines for a one-way flight from San Francisco to Toronto are WestJet ($135), Flair Airlines ($138), and Air Canada ($154).
What are the most popular routes from San Francisco to Toronto?
Most travelers choose San Francisco - Toronto Pearson Intl, San Francisco - Toronto Region of Waterloo Intl or San Francisco - Toronto Island when deciding on the best route from San Francisco to Toronto.
What are the most reliable airlines from San Francisco to Toronto?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Toronto on time: United Airlines (71%), Austrian Airlines (66%), Singapore Airlines (66%).
What are the cheapest flights from San Francisco to Toronto?
While on average a flight from San Francisco to Toronto is generally $1,187, our data shows the cheapest flight currently is $138. When looking at the most popular route, (San Francisco - Toronto Pearson Intl), you can expect to pay $236 for that flight.
Can I find deals for flights from San Francisco to Toronto that include hotel bookings?
Yes. In addition to deals on San Francisco to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Francisco to Toronto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Toronto.
Can I find deals for business class flights from San Francisco to Toronto?
Yes. Cheapflights offers flight deals from San Francisco to Toronto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Francisco to Toronto?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Toronto (average of $243). Flying from San Francisco to Toronto in July is currently the most expensive (average of $359). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from San Francisco to Toronto

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	Cheapest$166	Average$454	FlexibilityNo cancel fee	On-time52%
Delta	Cheapest$187	Average$551	FlexibilityNo cancel fee	On-timeN/A
Air Transat	Cheapest$194	Average$410	FlexibilityNo cancel fee	On-time50%
American Airlines	Cheapest$205	Average$566	FlexibilityNo cancel fee	On-time71%
Air Canada	Cheapest$214	Average$573	FlexibilityNo cancel fee	On-time67%
WestJet	Cheapest$216	Average$326	FlexibilityNo cancel fee	On-time60%
United Airlines	Cheapest$259	Average$588	FlexibilityNo cancel fee	On-time69%

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$131+ Cheap flights from San Francisco (SFO) to Toronto (YTO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from San Francisco to Toronto are usually found in February or March, booked 87 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap flight deals from San Francisco to Toronto

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Find flight deals from San Francisco to Toronto

Cheapest flights from San Francisco to TorontoExplore the most affordable flight options available from San Francisco to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

Explore the most affordable flight options available from San Francisco to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

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

Compare providers for flights from San Francisco to Toronto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Toronto in April.

The best insider tips for San Francisco to Toronto flights

Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Toronto trip

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Best time to book a flight from San Francisco to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from San Francisco with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Toronto

How far ahead should I book a flight from San Francisco to Toronto?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Toronto. Price data was last updated on April 4, 2025.

What is the cheapest month to book a flight from San Francisco to Toronto?

What is the cheapest time of day to fly from SFO to YTO?

Find hourly flight availability from San Francisco to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2025.

What is the cheapest day to fly from San Francisco to Toronto?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Toronto. Price data was last updated on December 16, 2024.

Weekly flight availability from San Francisco to Toronto

Rainfall in Toronto by month

Plan your trip to Toronto by taking into account the average rainfall totals by month.

Temperature in Toronto by month

Plan your trip to Toronto by taking into account the average temperature totals by month.

Reviews of airlines servicing Toronto

Read reviews from past customers who have flown Alaska Airlines, Porter Airlines and Delta from San Francisco to Toronto. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Toronto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from San Francisco to Toronto?

What are the cheapest airlines flying from San Francisco to Toronto round-trip?

What are the cheapest airlines to fly from San Francisco to Toronto one-way?

What are the most popular routes from San Francisco to Toronto?

What are the most reliable airlines from San Francisco to Toronto?

What are the cheapest flights from San Francisco to Toronto?

Can I find deals for flights from San Francisco to Toronto that include hotel bookings?

How can I find direct flights from San Francisco to Toronto?

Can I find deals for business class flights from San Francisco to Toronto?

What is the cheapest month to book a flight from San Francisco to Toronto?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to Toronto

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Top 7 airlines flying from San Francisco to Toronto

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Cheapest flights from San Francisco to Toronto
Explore the most affordable flight options available from San Francisco to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.