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$146+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SFO
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Toronto to San Francisco are usually found in April or March, booked 68 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 September 15, 2025.

Round-trip from

$242
(oojo)

One-way from

$146
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$412

Good round-trip deal

$415 or less

Good one-way deal

$207 or less
From Toronto (YTO) to San Francisco
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One-way flight from Toronto (YTO) to San Francisco
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Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Toronto (YTO) to San Francisco.
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Price to beat on a one-way flight from Toronto (YTO) to San Francisco.
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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 September 15, 2025.

This FlightHub deal was found by Cheapflights users on 9/14. 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.
Mon 10/66:00 amYHM - SFO
1 stop8h 54mWestJet
Sun 10/1212:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 9/14$244
This Trip.com deal was found by Cheapflights users on 9/14. 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 10/76:00 amYHM - SFO
1 stop8h 54mWestJet
Thu 10/912:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 9/14$251
This Trip.com deal was found by Cheapflights users on 9/15. 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.
Wed 10/156:00 amYHM - SFO
1 stop8h 54mWestJet
Tue 10/2112:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 9/15$254
This Trip.com deal was found by Cheapflights users on 9/13. 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.
Fri 10/176:00 amYHM - SFO
1 stop8h 54mWestJet
Fri 10/2412:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 9/13$255
This FlightHub deal was found by Cheapflights users on 9/13. 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.
Mon 10/66:00 amYHM - SFO
1 stop8h 54mWestJet
Thu 10/912:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 9/13$256
This FlightHub deal was found by Cheapflights users on 9/14. 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 10/16:00 amYHM - SFO
1 stop8h 54mWestJet
Wed 10/812:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 9/14$259
This Trip.com deal was found by Cheapflights users on 9/13. 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.
Wed 10/16:00 amYHM - SFO
1 stop8h 54mWestJet
Thu 10/212:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 9/13$261
This Trip.com deal was found by Cheapflights users on 9/15. 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 9/306:00 amYHM - SFO
1 stop8h 54mWestJet
Wed 10/112:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 9/15$262
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Tue 9/306:00 amYHM - SFO
1 stop8h 54mWestJet
Tue 10/712:50 pmSFO - YHM
1 stop8h 50mWestJet
Deal found 9/14$267
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Fri 10/246:00 amYHM - SFO
1 stop8h 54mWestJet
Tue 10/281:00 pmSFO - YHM
1 stop25h 17mWestJet
Deal found 9/14$272
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/222:55 pmYHM - SFO
2 stops21h 35mMultiple Airlines
Sat 10/2510:15 amSFO - YHM
1 stop10h 44mMultiple Airlines
Deal found 9/13$275
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Mon 10/69:45 amYYZ - SFO
Nonstop5h 38mMultiple Airlines
Sun 10/1210:15 amSFO - YYZ
1 stop11h 28mMultiple Airlines
Deal found 9/14$275

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 September 15, 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

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 10/15

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Wed 10/22

12:50 pm-12:40 am

1 stop8h 50m

$254

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 10/1

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Wed 10/8

12:50 pm-12:40 am

1 stop8h 50m

$259

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 1/13

5:45 am-12:12 pm

1 stop9h 27m

San Francisco

Tue 2/10

1:00 pm-5:16 pm

1 stop25h 16m

$263

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Fri 10/24

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Tue 10/28

1:00 pm-5:17 pm

1 stop25h 17m

$272

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Mon 10/20

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Fri 10/24

12:50 pm-12:45 am

1 stop8h 55m

$284

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 10/17

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Thu 10/23

12:50 pm-12:45 am

1 stop8h 55m

$284

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 10/1

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Sun 10/5

7:30 am-12:40 am

1 stop14h 10m

$287

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Mon 10/6

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Fri 10/10

2:45 pm-12:40 am

2 stops30h 55m

$291

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Wed 10/29

3:30 pm-9:22 pm

1 stop8h 52m

San Francisco

Wed 11/5

8:25 am-9:35 pm

1 stop10h 10m

$303

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 10/15

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Wed 10/22

10:15 am-12:40 am

2 stops11h 25m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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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.

Read more about Porter Airlinesby Daniel Scheffler
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.

Read more about United Airlinesby Harriet Baskas
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.

Read more about Air Transatby Miquel Ros
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 to downtown, take BART from SFO. It’s a 40-minute ride 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
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
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

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 September 12, 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 68 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 $357). 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 September 15, 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 evening tend to be the most expensive. A flight at noon could potentially save you up to 55% 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 Tuesday at noon when fares are most often at their lowest. Sunday evenings 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 September 15, 2025.

The most flights from YTO to SFO are scheduled on a Wednesday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

What’s the top layover airport for flights from Toronto to San Francisco?

Share of 1-stop round-trip flights from Toronto to San Francisco chosen by Cheapflights users in the past 12 months, using the same layover each way.

Calgary (YYC) – chosen by Cheapflights users on 67% of 1-stop itineraries from Toronto to San Francisco on Cheapflights.

What’s the cheapest layover airport for flights from Toronto to San Francisco?

Average round-trip fare for 1-stop flights from Toronto to San Francisco, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of $259.

What’s the fastest layover option from Toronto to San Francisco?

Shortest average travel time for 1-stop one-way flights from Toronto to San Francisco, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 8h 06m.

Which airport typically offers the quickest layover for flights from Toronto to San Francisco?

Average layover duration for 1-stop one-way flights from Toronto to San Francisco, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 26m.

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 September 15, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Air Transat, and United Airlines from Toronto to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews

Boarding

8.1

Food

7.6

Entertainment

7.0

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews

Boarding

8.1

Food

7.6

Entertainment

7.0

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews

Boarding

8.1

Food

7.6

Entertainment

7.0

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,929 reviews
Porter Airlines
7.9
Good
363 reviews

Boarding

8.1

Food

7.6

Entertainment

7.0

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews

Boarding

8.1

Food

7.6

Entertainment

7.0

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews

Boarding

8.1

Food

7.6

Entertainment

7.0

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 19 daily inbound flights from Toronto from 7 different airlines.

  • How long is the flight from Toronto to San Francisco?

    There are many flights that can get you from Toronto to San Francisco in 5h 38m. Fly via WestJet, Air Canada, or Porter Airlines to get the fastest option. The distance from Toronto to San Francisco is about 2253 mi. This flight may include one or multiple stops.

  • 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 $172. Additional round-trip tickets that might be worth considering are offered by Porter Airlines and Air Canada, with the lowest prices starting at $257 and $269, respectively. WestJet is priced at 55% 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 $151. However, be on the lookout for offers from Air Canada and Porter 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?

    While some choose either Toronto Island - San Francisco or Hamilton - San Francisco, Toronto Pearson Intl - San Francisco is the most popular route from Toronto to San Francisco.

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

    Consider Porter Airlines (82%), Air Transat (82%) or Singapore Airlines (61%) 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 $841, our data indicates the cheapest price to be $172. The most popular route (Toronto Pearson Intl - San Francisco), is priced around $216.

  • 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 $357). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Santa Clara
Manteca
Sunnyvale
Hollister
Vacaville
Foster City
Union City
Vallejo
Burlingame
Redwood City
San Mateo
San Leandro
Lathrop

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Toronto to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$172Average$281FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$257Average$438FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$269Average$392FlexibilityNo cancel feeOn-time67%
Air TransatCheapest$287Average$393FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$288Average$426FlexibilityNo cancel feeOn-time71%
DeltaCheapest$308Average$387FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$333Average$505FlexibilityNo cancel feeOn-time69%

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