Toronto

$125+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YTO
Mar 26 — Apr 21
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Find cheap flights from San Francisco to Toronto with Cheapflights

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”
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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 44 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap flight deals from San Francisco to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Toronto (YTO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$221
(Trip.com)

One-way from

$125
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$402

Good round-trip deal

$366 or less

Good one-way deal

$156 or less
Provider with most accurate pricing for San Francisco-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for San Francisco-Toronto (YTO) flights.
From San Francisco to Toronto (YTO)
One-way flight from San Francisco to Toronto (YTO)
Highest demand for flights based on searches. 5% potential increase in price ($29 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from San Francisco to Toronto (YTO).
Price to beat on a one-way flight from San Francisco to Toronto (YTO).

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 March 21, 2025.

This Trip.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/87:02 pmSFO - YYZ
1 stop8h 41mMultiple Airlines
Tue 4/159:45 amYYZ - SFO
Nonstop5h 54mMultiple Airlines
Deal found 3/20$221
This Cheapflightsfares deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/91:40 pmSFO - YYZ
Nonstop5h 02mPorter Airlines
Tue 4/159:45 amYYZ - SFO
Nonstop5h 54mPorter Airlines
Deal found 3/19$249
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/410:15 amSFO - YKF
1 stop17h 55mFlair Airlines
Sun 5/118:25 pmYKF - SFO
1 stop16h 05mFlair Airlines
Deal found 3/20$250
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:05 pmSFO - YYZ
1 stop9h 47mWestJet
Mon 5/196:30 amYYZ - SFO
1 stop8h 35mWestJet
Deal found 3/20$255
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/97:30 amSFO - YKF
1 stop18h 45mMultiple Airlines
Sun 5/119:25 amYKF - SFO
2 stops29h 40mMultiple Airlines
Deal found 3/20$276
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/410:15 amSFO - YYZ
1 stop18h 35mFlair Airlines
Sun 5/111:55 pmYYZ - SFO
1 stop22h 35mFlair Airlines
Deal found 3/20$276
This Booking.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/512:50 pmSFO - YKF
1 stop8h 56mWestJet
Mon 5/126:00 amYKF - SFO
2 stops10h 59mWestJet
Deal found 3/21$281
This Booking.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/512:50 pmSFO - YHM
1 stop8h 51mWestJet
Mon 5/126:00 amYHM - SFO
2 stops10h 59mWestJet
Deal found 3/21$298
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:15 amSFO - YTZ
2 stops30h 12mMultiple Airlines
Mon 5/53:35 pmYTZ - SFO
2 stops20h 55mMultiple Airlines
Deal found 3/20$305
This Gotogate deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/39:50 amSFO - YYZ
Nonstop5h 05mAir Canada
Thu 4/107:00 pmYYZ - SFO
Nonstop5h 49mAir Canada
Deal found 3/20$369
This Alaska Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/212:15 pmSFO - YYZ
2 stops23h 45mAlaska Airlines
Tue 4/84:45 pmYYZ - SFO
2 stops20h 57mAlaska Airlines
Deal found 3/19$389
This Gotogate deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/148:20 amSFO - YTZ
1 stop10h 15mAir Canada
Tue 4/223:25 pmYTZ - SFO
1 stop9h 20mAir Canada
Deal found 3/21$397

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco to Toronto 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, Cheapflights users made 2,558,603 searches. Data last updated March 21, 2025.
Use the filters below to find and compare flights from San Francisco to Toronto that are best for you.

Fly from

San Francisco

Fly to

Toronto

Route

Depart

Return

Price

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Tue 4/8

7:02 pm-6:43 am

1 stop8h 41m

Toronto Pearson Intl

Tue 4/15

9:45 am-12:39 pm

Nonstop5h 54m

$221

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Wed 4/9

1:40 pm-9:42 pm

Nonstop5h 02m

Toronto Pearson Intl

Tue 4/15

9:45 am-12:39 pm

Nonstop5h 54m

$249

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Sun 5/4

10:15 am-7:10 am

1 stop17h 55m

Toronto Region of Waterloo Intl

Sun 5/11

8:25 pm-9:30 am

1 stop16h 05m

$250

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Thu 5/15

6:05 pm-6:52 am

1 stop9h 47m

Toronto Pearson Intl

Mon 5/19

6:30 am-12:05 pm

1 stop8h 35m

$255

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 5/9

7:30 am-5:15 am

1 stop18h 45m

Toronto Region of Waterloo Intl

Sun 5/11

9:25 am-12:05 pm

2 stops29h 40m

$276

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sun 5/4

10:15 am-7:50 am

1 stop18h 35m

Toronto Pearson Intl

Sun 5/11

1:55 pm-9:30 am

1 stop22h 35m

$276

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Mon 5/5

12:50 pm-12:46 am

1 stop8h 56m

Toronto Region of Waterloo Intl

Mon 5/12

6:00 am-1:59 pm

2 stops10h 59m

$281

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Mon 5/5

12:50 pm-12:41 am

1 stop8h 51m

Hamilton

Mon 5/12

6:00 am-1:59 pm

2 stops10h 59m

$298

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Thu 5/1

10:15 am-7:27 pm

2 stops30h 12m

Toronto Island

Mon 5/5

3:35 pm-9:30 am

2 stops20h 55m

$305

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Thu 4/3

9:50 am-5:55 pm

Nonstop5h 05m

Toronto Pearson Intl

Thu 4/10

7:00 pm-9:49 pm

Nonstop5h 49m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 32 results
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Toronto trip
Airlines
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.

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
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.

Airports
SFO

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

Read more about SFOby Harriet Baskas
YYZ

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

Read more about YYZby Kaitlyn McInnis
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Porter Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Jessica Macdonald

Jessica Macdonald

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Miquel Ros

Miquel Ros

Expert on Air Transat

Miquel Ros

Miquel Ros

Originally from Barcelona, Miquel is an avid traveler fascinated by borders and airplanes, two topics that feature often in this work. Miquel writes regularly about travel and aviation for international media outlets such as CNN and AeroTime and runs Allplane.tv, a site and podcast focusing on innovation and sustainability in the aviation industry.

Read more
Kaitlyn McInnis

Kaitlyn McInnis

Expert on YYZ

Kaitlyn McInnis

Kaitlyn McInnis

Kaitlyn is a guidebook author and travel writer splitting her time between Atlantic Canada and Istanbul, Türkiye. She has visited over fifty countries and all seven continents, so she is very familiar with many hotels, airports and airlines around the globe. But her favorite type of vacation is sunbathing by the sea with a good book in hand.

Read more
Harriet Baskas

Harriet Baskas

Expert on SFO

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

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?

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 March 14, 2025.

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 44 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?

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 March 21, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 49% 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?

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.

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

Explore weekly flight availability from San Francisco to Toronto. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 21, 2025.

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 (11 on average).

Rainfall in Toronto by month

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

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

Get insights into the airlines that provide service to Toronto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Toronto. Reviews last updated March 21, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Porter Airlines from San Francisco to Toronto. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

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

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

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
8.0
Very good

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

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

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

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

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

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

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

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

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?

    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 19 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 Porter Airlines. Our recent data shows that you can find tickets from as low as $249 on this airline. Additional options worth looking into are Flair Airlines and WestJet, starting at $250 and $255 round-trip. You may be able to fly from San Francisco to Toronto for 46% 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 ($125), Porter Airlines ($132), and American Airlines ($133).

  • What are the most popular routes 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: Porter Airlines (75%), Air Transat (75%), United Airlines (73%).

  • What are the cheapest flights from San Francisco to Toronto?

    While on average a flight from San Francisco to Toronto is generally $1,518, our data shows the cheapest flight currently is $116. When looking at the most popular route, (San Francisco - Toronto Pearson Intl), you can expect to pay $221 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

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Alternative routes for San Francisco to Toronto

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from San Francisco to Toronto

Discover the top 7 airlines that operate flights from San Francisco to Toronto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$169Average$470FlexibilityNo cancel feeOn-time52%
DeltaCheapest$187Average$551FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$194Average$410FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$205Average$578FlexibilityNo cancel feeOn-time71%
WestJetCheapest$216Average$355FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$217Average$576FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$261Average$594FlexibilityNo cancel feeOn-time69%
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