Cheap flights from Toronto to San Francisco from C$ 202

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SFO
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Toronto to San Francisco are usually found in March or April, booked 50 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Toronto to San Francisco

Enter your travel dates to find the best prices.

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 28 January 2026.

Tue 10/35:50 a.m.
YHM
-
SFO
1 stop9h 20m
WestJet
Tue 5/56:00 a.m.
SFO
-
YHM
1 stop8h 15m
WestJet
Deal found 26/1C$ 346
Thu 12/37:15 a.m.
YYZ
-
SFO
2 stops27h 43m
Multiple Airlines
Mon 16/38:09 p.m.
SFO
-
YYZ
1 stop7h 34m
Multiple Airlines
Deal found 26/1C$ 357
Wed 4/39:00 p.m.
YYZ
-
SFO
1 stop15h 30m
Flair Airlines
Sun 8/310:15 a.m.
SFO
-
YYZ
1 stop18h 35m
Flair Airlines
Deal found 26/1C$ 358
Thu 28/512:40 p.m.
YYZ
-
SFO
2 stops12h 15m
WestJet
Sun 31/56:05 p.m.
SFO
-
YYZ
1 stop9h 50m
WestJet
Deal found 27/1C$ 359
Sat 2/56:15 a.m.
YYZ
-
SFO
1 stop8h 45m
WestJet
Sat 9/51:00 p.m.
SFO
-
YYZ
2 stops13h 10m
WestJet
Deal found 26/1C$ 361
Sat 30/56:15 a.m.
YYZ
-
SFO
1 stop8h 45m
WestJet
Mon 1/66:05 p.m.
SFO
-
YYZ
1 stop9h 50m
WestJet
Deal found 27/1C$ 362
Sun 31/59:00 a.m.
YYZ
-
SFO
1 stop10h 40m
WestJet
Fri 5/66:05 p.m.
SFO
-
YYZ
1 stop9h 50m
WestJet
Deal found 27/1C$ 364
Fri 20/29:50 a.m.
YYZ
-
SFO
Nonstop5h 55m
Multiple Airlines
Mon 23/22:25 p.m.
SFO
-
YYZ
1 stop13h 18m
Multiple Airlines
Deal found 26/1C$ 365
Thu 28/512:00 p.m.
YYZ
-
SFO
2 stops12h 55m
WestJet
Sat 6/66:05 p.m.
SFO
-
YYZ
1 stop9h 50m
WestJet
Deal found 27/1C$ 366
Thu 26/29:50 a.m.
YYZ
-
SFO
Nonstop5h 55m
Multiple Airlines
Tue 3/37:15 p.m.
SFO
-
YYZ
3 stops25h 23m
Multiple Airlines
Deal found 26/1C$ 368
Fri 27/29:50 a.m.
YYZ
-
SFO
Nonstop5h 55m
Multiple Airlines
Tue 3/37:15 p.m.
SFO
-
YYZ
2 stops21h 21m
Multiple Airlines
Deal found 27/1C$ 369
Thu 23/46:10 p.m.
YHM
-
SFO
1 stop21h 00m
WestJet
Mon 27/46:00 a.m.
SFO
-
YHM
1 stop8h 10m
WestJet
Deal found 25/1C$ 370

Find 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 28 January 2026.

Round-trip from

C$ 346

One-way from

C$ 202

Popular in

December

Cheapest in

March

Average price

C$ 510

Good round-trip deal

C$ 522 or less

Good one-way deal

C$ 484 or less
WestJet
  • WestJet
  • 10/3-5/5
  • 2 total stops
  • 17h 35m total
  • Toronto to San Francisco
WestJet
  • WestJet
  • 10/3
  • 1 total stop
  • 9h 20m total
  • Toronto to San Francisco
Highest demand for flights based on searches. 6% potential increase in price (C$ 49 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Average for round-trip flights in January 2026
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.

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 629,999 searches. Data last updated 28 January 2026.
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

Tue 10/3

5:50 a.m.-12:10 p.m.

1 stop9h 20m

San Francisco

Tue 5/5

6:00 a.m.-5:15 p.m.

1 stop8h 15m

C$ 346

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Thu 23/4

6:10 p.m.-12:10 p.m.

1 stop21h 00m

San Francisco

Mon 27/4

6:00 a.m.-5:10 p.m.

1 stop8h 10m

C$ 370

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Sat 2/5

6:10 p.m.-12:00 p.m.

1 stop20h 50m

San Francisco

Sat 30/5

6:00 a.m.-5:10 p.m.

1 stop8h 10m

C$ 376

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Thu 23/4

6:10 p.m.-12:10 p.m.

1 stop21h 00m

San Francisco

Tue 28/4

6:00 a.m.-5:15 p.m.

1 stop8h 15m

C$ 377

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Fri 8/5

6:10 p.m.-12:00 p.m.

1 stop20h 50m

San Francisco

Mon 11/5

6:00 a.m.-5:10 p.m.

1 stop8h 10m

C$ 403

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 16/4

1:30 p.m.-8:24 p.m.

1 stop9h 54m

San Francisco

Mon 20/4

10:55 p.m.-8:56 a.m.

1 stop7h 01m

C$ 425

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 11/3

10:05 a.m.-2:42 p.m.

1 stop7h 37m

San Francisco

Wed 18/3

5:50 a.m.-3:08 p.m.

1 stop6h 18m

C$ 425

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 7/3

3:59 p.m.-11:25 p.m.

1 stop10h 26m

San Francisco

Mon 9/3

5:50 a.m.-5:17 p.m.

1 stop8h 27m

C$ 425

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 19/2

5:15 p.m.-11:25 p.m.

1 stop9h 10m

San Francisco

Mon 23/2

9:30 p.m.-11:07 a.m.

1 stop10h 37m

C$ 425

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Mon 15/6

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Mon 22/6

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 426

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/1

Showing 1-10 of 60 results
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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 23 January 2026.

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 50 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, April is the cheapest month in which you can book a flight from Toronto to San Francisco (average of C$ 197). Flying from Toronto to San Francisco in December is currently the most expensive (average of C$ 346). 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 28 January 2026.

A simple way to save on the total cost of your ticket is to fly from Toronto to San Francisco at noon. If you’re flexible enough to do this you can expect to save up to 51% on your trip compared to booking a flight in the evening.

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 24 January 2026.

Travelers seeking maximum savings on their Toronto to San Francisco flight should consider departing on Thursday at noon when fares are most often at their lowest. Tuesday at noon 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 28 January 2026.

The most flights from YTO to SFO are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Toronto to San Francisco?

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

Share of one-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 88% of one-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 C$ 365.

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: 7h 34m.

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 0h 50m.

How often are flights from Toronto to San Francisco delayed?

About 25% of weekly flights between Toronto and San Francisco have experienced delays in the past year, with the average delay time being 154 minutes.

What is the most punctual flight time for Toronto to San Francisco flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Toronto to San Francisco flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 14% of flights being delayed.

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 28 January 2026.
Get a feel of what it's like to fly with Porter Airlines,Air Transat, andUnited Airlines from Toronto to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 airports serve Toronto to San Francisco flights?

    You can fly to San Francisco from Pearson International Airport on the choice of many different flight options. You’ll be landing at the San Francisco International Airport. You can get there on a direct flight or one that has one or two stops on the way. The San Francisco International Airport is located in San Mateo County unincorporated. This is a major stopover point for flights heading to Asia and Europe from the US and Canada. It’s the biggest and busiest airport in the Bay Area. It’s the second busiest in the state of California.

  • Which airlines fly directly from Toronto to San Francisco?

    The airlines that fly direct for this route are Air Canada and United. The flight is a little more than five and a half hours. You can try to save a little money sometimes by booking something with a stopover. Some of them don’t add much in terms of travel time.

  • What are the stopover options between Toronto to San Francisco?

    Most flights to San Francisco from Toronto have one stop. Delta makes stops in Minneapolis sometimes, and often in Detroit. Most of the stopovers only add about two and a half hours of travel time to your trip. You could also see stops in Atlanta with Delta. WestJet stops in Calgary for a few hours so your trip ends up being 10 to 11 hours long. American Airlines stops in Charlotte or Chicago usually. You could also see stopovers in Dallas or Philadelphia.

  • Do I need a passport or a visa to fly from Toronto to San Francisco?

    You do need your passport to fly to San Francisco. This is an international flight as you’re crossing the border to the US. You will not need a visa, however, unless you are going to work or study. You also can’t invest in anything like real estate if you don’t have a visa.

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

    If you book a flight to San Francisco from Toronto, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 19.0 km from the centre of San Francisco. There are 11 flights from Toronto to San Francisco per day from 8 different airlines.

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

    Airlines like WestJet, Delta, and Air Canada fly from Toronto to San Francisco in about 9h 20m. The time it takes to get you to your destination can typically vary by up to 5h 32m. Airlines will cover a distance of 3605 km. Both multi-stop and direct flights can be found to your destination and back.

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

    According to our current data, Flair Airlines (C$ 115), WestJet (C$ 196), and American Airlines (C$ 254) offers the cheapest pricing from Toronto to San Francisco. Users have found that Flair Airlines is 77% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from Toronto to San Francisco are WestJet (C$ 174), Porter Airlines (C$ 201), and Air Transat (C$ 222).

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

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

    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 Toronto to San Francisco on time: Singapore Airlines (58%), American Airlines (55%), Porter Airlines (55%).

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

    While on average a flight from Toronto to San Francisco is generally C$ 1,202, our data shows the cheapest flight currently is C$ 232. When looking at the most popular route, (Toronto Pearson Intl - San Francisco), you can expect to pay C$ 350 for that flight.

  • 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, April is the cheapest month in which you can book a flight from Toronto to San Francisco (average of C$ 197). Flying from Toronto to San Francisco in December is currently the most expensive (average of C$ 346). 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

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Richmond
Newark
Burlingame
South San Francisco
Scotts Valley
Novato
Santa Clara
Vallejo

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Fly from Toronto to San Francisco on these airlines

Choose from the following airlines for your flight from Toronto to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 28 January 2026.

Top 8 airlines flying from Toronto to San Francisco

Discover the top 8 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 629,999 searches. Data last updated 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapestC$ 115AverageC$ 468FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
WestJetCheapestC$ 196AverageC$ 371FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 254AverageC$ 567FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 256AverageC$ 474FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 305AverageC$ 462FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 323AverageC$ 521FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 363AverageC$ 517FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 423AverageC$ 578FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Toronto to San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Toronto to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Toronto to San Francisco?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Toronto to San Francisco for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Toronto to San Francisco with no change fees?

Yes, we can. To see specific flights from Toronto to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Toronto to San Francisco become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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