San Francisco

$142+ Cheap flights from Toronto (YTO) to San Francisco (SFO)

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SFO
Apr 16 — Apr 231
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Find cheap flights from Toronto to San Francisco 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”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Toronto to San Francisco are usually found in March or April, booked 67 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Toronto to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to San Francisco (SFO). 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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$241
(FlightHub)

One-way from

$142
(FlightHub)

Popular in

July

Cheapest in

March

Average price

$334

Good round-trip deal

$326 or less

Good one-way deal

$181 or less
Provider with most accurate pricing for Toronto (YTO)-San Francisco flight deals.
Provider most trusted by Cheapflights users for Toronto (YTO)-San Francisco flights.
From Toronto (YTO) to San Francisco
One-way flight from Toronto (YTO) to San Francisco
Highest demand for flights based on searches. 13% potential increase in price ($61 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Toronto (YTO) to San Francisco.
Price to beat on a one-way flight from Toronto (YTO) to San Francisco.

Find flight deals from Toronto to San Francisco

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

This FlightHub deal was found by Cheapflights users on 4/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/76:00 amYHM - SFO
1 stop8h 56mWestJet
Mon 8/1112:50 pmSFO - YHM
1 stop8h 51mWestJet
Deal found 4/10$237
This FlightHub deal was found by Cheapflights users on 4/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/106:00 amYKF - SFO
2 stops10h 59mWestJet
Mon 7/1412:50 pmSFO - YKF
1 stop8h 56mWestJet
Deal found 4/10$241
This FlightHub deal was found by Cheapflights users on 4/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/29:00 amYYZ - SFO
1 stop11h 15mWestJet
Sat 7/122:45 pmSFO - YYZ
2 stops13h 07mWestJet
Deal found 4/10$241
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Wed 4/307:25 pmYYZ - SFO
1 stop15h 19mMultiple Airlines
Tue 5/1310:15 amSFO - YYZ
1 stop10h 56mMultiple Airlines
Deal found 4/10$244
This Mytrip deal was found by Cheapflights users on 4/9. 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 5/96:00 amYKF - SFO
2 stops10h 59mMultiple Airlines
Tue 5/1310:15 amSFO - YKF
2 stops40h 00mMultiple Airlines
Deal found 4/9$290
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 4/249:45 amYYZ - SFO
Nonstop5h 54mPorter Airlines
Tue 4/291:40 pmSFO - YYZ
Nonstop5h 02mPorter Airlines
Deal found 4/10$292
This Mytrip deal was found by Cheapflights users on 4/10. 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.
Wed 5/73:35 pmYTZ - SFO
2 stops20h 55mMultiple Airlines
Sun 5/1110:15 amSFO - YTZ
2 stops30h 12mMultiple Airlines
Deal found 4/10$301
This Air Canada deal was found by Cheapflights users on 4/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/257:00 pmYYZ - SFO
Nonstop5h 49mAir Canada
Sun 4/2710:52 pmSFO - YYZ
Nonstop5h 08mAir Canada
Deal found 4/10$318
This Mytrip deal was found by Cheapflights users on 4/10. 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.
Mon 6/98:25 pmYKF - SFO
1 stop16h 05mFlair Airlines
Mon 6/1610:15 amSFO - YKF
1 stop17h 55mFlair Airlines
Deal found 4/10$327
This United Airlines deal was found by Cheapflights users on 4/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/257:00 pmYYZ - SFO
Nonstop5h 49mUnited Airlines
Fri 4/2512:43 amSFO - YYZ
1 stop7h 47mUnited Airlines
Deal found 4/9$338
This Booking.com deal was found by Cheapflights users on 4/10. 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.
Thu 4/247:25 amYTZ - SFO
2 stops11h 21mAir Canada
Wed 4/308:20 amSFO - YTZ
1 stop10h 15mAir Canada
Deal found 4/10$340
This American Airlines deal was found by Cheapflights users on 4/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:30 amYYZ - SFO
1 stop7h 38mAmerican Airlines
Sat 4/2611:59 pmSFO - YYZ
1 stop9h 41mAmerican Airlines
Deal found 4/9$342

Cheapflights Fare Finder

Customize your flight search to find flights from Toronto to San Francisco 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 April 11, 2025.
Use the filters below to find and compare flights from Toronto to San Francisco that are best for you.

Fly from

Toronto

Fly to

San Francisco

Route

Depart

Return

Price

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 7/10

6:00 am-1:59 pm

2 stops10h 59m

San Francisco

Mon 7/14

12:50 pm-12:46 am

1 stop8h 56m

$241

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 7/2

9:00 am-5:15 pm

1 stop11h 15m

San Francisco

Sat 7/12

2:45 pm-6:52 am

2 stops13h 07m

$241

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 4/30

7:25 pm-7:44 am

1 stop15h 19m

San Francisco

Tue 5/13

10:15 am-12:11 am

1 stop10h 56m

$244

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Fri 5/2

6:00 am-12:05 pm

1 stop9h 05m

San Francisco

Mon 5/5

12:50 pm-12:41 am

1 stop8h 51m

$252

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 5/9

6:00 am-1:59 pm

2 stops10h 59m

San Francisco

Tue 5/13

10:15 am-5:15 am

2 stops40h 00m

$290

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 4/24

9:45 am-12:39 pm

Nonstop5h 54m

San Francisco

Wed 4/30

1:40 pm-9:42 pm

Nonstop5h 02m

$292

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Wed 5/7

3:35 pm-9:30 am

2 stops20h 55m

San Francisco

Sun 5/11

10:15 am-7:27 pm

2 stops30h 12m

$301

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 4/25

7:00 pm-9:49 pm

Nonstop5h 49m

San Francisco

Sun 4/27

10:52 pm-7:00 am

Nonstop5h 08m

$318

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Mon 6/9

8:25 pm-9:30 am

1 stop16h 05m

San Francisco

Mon 6/16

10:15 am-7:10 am

1 stop17h 55m

$327

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 4/25

6:55 pm-9:37 pm

Nonstop5h 42m

San Francisco

Tue 4/29

4:40 pm-12:41 am

Nonstop5h 01m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 33 results
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Compare providers for flights from Toronto to San Francisco

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 Toronto to San Francisco in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 Toronto-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Toronto-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Toronto-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Toronto-San Francisco 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 Toronto-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Toronto to San Francisco 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 Toronto to San Francisco trip
Airlines
Air Canada

Air Canada offers complimentary meals for all fare classes on international flights.


Air Canada’s Preferred Seats offer up to four inches of extra space in exit rows.

Read more about Air Canadaby Jessica Macdonald
Porter Airlines

PorterReserve offers early boarding and front-of-cabin seating with extra legroom (36 inches).


Porter flights feature free Wi-Fi and streaming entertainment for long-haul use on personal devices.

Air Transat

Air Transat's Club Class includes priority check-in, boarding, and extra baggage allowance.


Air Transat offers in-flight entertainment with 200 content options on seatback screens or personal devices.

United Airlines

United's Polaris Class offers lie-flat seats, noise-reducing headphones, and large entertainment screens.


United's Premium Plus seats offer extra legroom, upgraded food, and two checked bags.

Airports
YYZ

Toronto Pearson offers fast and reliable Wi-Fi throughout the airport, perfect for staying connected before your flight.

Read more about YYZby Kaitlyn McInnis
SFO

For a budget-friendly trip from SFO to downtown, take the BART. It's a 40-minute ride from the airport to the city center.

Read more about SFOby Harriet Baskas
Our travel experts
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
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
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
Harriet Baskas

Harriet Baskas

Expert on United Airlines and 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
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

Best time to book a flight from Toronto to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Toronto 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 Toronto to San Francisco

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

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

The price you pay for your flight from Toronto to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 67 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 Toronto to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Toronto to San Francisco (average of $276). Flying from Toronto to San Francisco in June is currently the most expensive (average of $393). 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 YTO to SFO?

Find hourly flight availability from Toronto to San Francisco. 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.

One of the essential ways to save on airfare from Toronto to San Francisco is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 54% on airfare.

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

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

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

Weekly flight availability from Toronto to San Francisco

Explore weekly flight availability from Toronto to San Francisco. 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 April 11, 2025.

The most flights from YTO to SFO are scheduled on a Wednesday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in San Francisco by month

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

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

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

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated April 11, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Porter Airlines and Delta from Toronto to San Francisco by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
8.0
Very good

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Toronto to San Francisco. 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 into for flights to San Francisco from Toronto?

    Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from Toronto. Booking flights from Toronto to San Francisco (SFO) should be relatively easy as there are 18 daily inbound flights from Toronto from 7 different airlines.

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

    Flying on WestJet is currently your cheapest option to San Francisco, with prices starting at $241. Additional round-trip tickets that might be worth considering are offered by Porter Airlines and Air Canada, with the lowest prices starting at $292 and $318, respectively. WestJet is priced at 40% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $142. However, be on the lookout for offers from Porter Airlines and Flair Airlines, as they are both options that can get you from Toronto to San Francisco for a low price.

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

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

    Consider Brussels Airlines (100%), Porter Airlines (64%) or Air Transat (64%) when booking your flight. These represent the most reliable airlines when flying from Toronto to San Francisco.

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

    Looking for the cheapest flight from Toronto to San Francisco? While on average our users pay $955, our data indicates the cheapest price to be $142. The most popular route (Toronto Pearson Intl - San Francisco), is priced around $240.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Toronto to San Francisco 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 Toronto to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Toronto to San Francisco (average of $276). Flying from Toronto to San Francisco in June is currently the most expensive (average of $393). 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

Traveling to a place near Toronto?

Book flights to Toronto if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
Turlock
South San Francisco
Fairfield
Manteca
Sausalito
Richmond
Watsonville
Hollister
Milpitas
Antioch
Hayward
Vallejo
Newark
Alameda
Sunnyvale
Campbell
Daly City

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Alternative routes for Toronto to San Francisco

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

Top 7 airlines flying from Toronto to San Francisco

Discover the top 7 airlines that operate flights from Toronto to San Francisco. 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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$174Average$420FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$248Average$483FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$265Average$374FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$273Average$450FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$288Average$475FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$307Average$524FlexibilityNo cancel feeOn-time69%
DeltaCheapest$308Average$514FlexibilityNo cancel feeOn-timeN/A

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