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.
$145+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SFO
mar. 30 — abr. 61
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Toronto to San Francisco are usually found in February or January, 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 marzo 25, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Mytrip) |
One-way from | $145 (Justfly.com) |
Popular in | July |
Cheapest in | February |
Average price | $365 |
Good round-trip deal | $286 or less |
Good one-way deal | $181 or less |
Find flight deals from Toronto to San Francisco
Cheapest flights from Toronto to San FranciscoExplore 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 marzo 25, 2025.
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 marzo 25, 2025.
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
lun. 4/78:00 pmYYZ - SFO
1 stop16h 48mMultiple Airlines
mar. 4/157:00 amSFO - YYZ
2 stops14h 26mMultiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$237
This Booking.com deal was found by Cheapflights users on 3/23. 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.
dom. 5/116:00 amYKF - SFO
1 stop9h 05mWestJet
mar. 5/1312:50 pmSFO - YKF
1 stop8h 56mWestJet
Deal found 3/23![WestJet logo]()
$240
This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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.
dom. 5/46:30 amYYZ - SFO
1 stop8h 35mWestJet
sáb. 5/107:30 amSFO - YYZ
1 stop8h 24mWestJet
Deal found 3/24![WestJet logo]()
$246
This Mytrip deal was found by Cheapflights users on 3/24. 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.
lun. 5/126:00 amYKF - SFO
2 stops10h 59mMultiple Airlines
mié. 5/1410:15 amSFO - YKF
1 stop30h 10mMultiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$249
This Trip.com deal was found by Cheapflights users on 3/24. 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.
vie. 6/136:00 amYHM - SFO
1 stop9h 05mWestJet
dom. 6/2212:50 pmSFO - YHM
1 stop8h 51mWestJet
Deal found 3/24![WestJet logo]()
$250
This Air Canada deal was found by Cheapflights users on 3/24. 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.
mar. 4/223:25 pmYTZ - SFO
1 stop9h 20mAir Canada
mar. 4/298:20 amSFO - YTZ
1 stop10h 15mAir Canada
Deal found 3/24![Air Canada logo]()
$279
This Air Canada deal was found by Cheapflights users on 3/24. 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.
mié. 4/95:25 pmYYZ - SFO
Nonstop5h 42mAir Canada
mié. 4/2310:45 pmSFO - YYZ
Nonstop5h 00mAir Canada
Deal found 3/24![Air Canada logo]()
$285
This Mytrip deal was found by Cheapflights users on 3/25. 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.
jue. 5/13:35 pmYTZ - SFO
2 stops20h 55mMultiple Airlines
lun. 5/510:15 amSFO - YTZ
2 stops27h 12mMultiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$301
This FlightHub deal was found by Cheapflights users on 3/25. 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.
lun. 4/219:45 amYYZ - SFO
Nonstop5h 54mPorter Airlines
jue. 4/241:40 pmSFO - YYZ
Nonstop5h 02mPorter Airlines
Deal found 3/25![Porter Airlines logo]()
$305
This American Airlines deal was found by Cheapflights users on 3/23. 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.
mié. 4/166:20 pmYYZ - SFO
1 stop7h 49mAmerican Airlines
mié. 4/2312:21 amSFO - YYZ
1 stop11h 34mAmerican Airlines
Deal found 3/23![American Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 3/24. 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.
vie. 4/117:55 amYYZ - SFO
Nonstop5h 42mUnited Airlines
vie. 4/1811:20 pmSFO - YYZ
1 stop13h 26mUnited Airlines
Deal found 3/24![United Airlines logo]()
$325
This Mytrip deal was found by Cheapflights users on 3/24. 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.
vie. 5/168:25 pmYKF - SFO
1 stop16h 05mFlair Airlines
dom. 5/1810:15 amSFO - YKF
1 stop17h 55mFlair Airlines
Deal found 3/24![Flair Airlines logo]()
$340
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 marzo 25, 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
YYZ - SFO
YYZSFO
Toronto Pearson Intl
lun. 5/12
10:10 am-9:30 am
1 stop26h 20m
San Francisco
mié. 5/14
10:15 am-7:15 am
1 stop18h 00m
$237
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
dom. 5/11
6:00 am-12:05 pm
1 stop9h 05m
San Francisco
mar. 5/13
12:50 pm-12:46 am
1 stop8h 56m
$240
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
mar. 4/8
8:00 pm-9:48 am
1 stop16h 48m
San Francisco
jue. 4/10
10:59 pm-6:17 am
2 stops28h 18m
$243
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
dom. 5/4
6:30 am-12:05 pm
1 stop8h 35m
San Francisco
sáb. 5/10
7:30 am-6:54 pm
1 stop8h 24m
$246
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
lun. 5/12
6:00 am-1:59 pm
2 stops10h 59m
San Francisco
mié. 5/14
10:15 am-7:25 pm
1 stop30h 10m
$249
HamiltonSan Francisco
YHM - SFO
YHMSFO
Hamilton
vie. 6/13
6:00 am-12:05 pm
1 stop9h 05m
San Francisco
dom. 6/22
12:50 pm-12:41 am
1 stop8h 51m
$250
TorontoSan Francisco
YTZ - SFO
YTZSFO
Toronto Island
mar. 4/22
3:25 pm-9:45 pm
1 stop9h 20m
San Francisco
mar. 4/29
8:20 am-9:35 pm
1 stop10h 15m
$279
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
mié. 4/9
5:25 pm-8:07 pm
Nonstop5h 42m
San Francisco
mié. 4/23
10:45 pm-6:45 am
Nonstop5h 00m
$285
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
jue. 5/1
8:25 pm-9:30 am
1 stop16h 05m
San Francisco
lun. 5/5
10:15 am-7:10 am
1 stop17h 55m
$287
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
mar. 4/8
9:45 am-12:39 pm
Nonstop5h 54m
San Francisco
sáb. 4/12
1:40 pm-9:42 pm
Nonstop5h 02m
$301
Showing 1-10 of 34 results
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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
![Porter Airlines]()
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
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 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
Our travel experts
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 March 21, 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 $398). 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 marzo 25, 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 51% 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 marzo 25, 2025.
The most flights from YTO to SFO are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).
Rainfall in 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 marzo 25, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Porter Airlines 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.
Overall
8.0
Entertainment
7.1
Boarding
8.2
Comfort
7.9
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentSeleste,Dec 2024
FAT - SAN
Overall
8.0
Entertainment
7.1
Boarding
8.2
Comfort
7.9
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentSeleste,Dec 2024
FAT - SAN
Overall
8.0
Entertainment
7.1
Boarding
8.2
Comfort
7.9
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentSeleste,Dec 2024
FAT - SAN
Overall
8.0
Entertainment
7.1
Boarding
8.2
Comfort
7.9
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentSeleste,Dec 2024
FAT - SAN
Overall
8.0
Entertainment
7.1
Boarding
8.2
Comfort
7.9
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentSeleste,Dec 2024
FAT - SAN
Overall
8.0
Entertainment
7.1
Boarding
8.2
Comfort
7.9
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentSeleste,Dec 2024
FAT - SAN
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.
Traveling to a place near Toronto?
Book flights to Toronto if you plan to visit one of these locationsRoseville
Mountain View
Santa Cruz
Turlock
Fairfield
South San Francisco
Manteca
Sausalito
Richmond
Watsonville
Hollister
Milpitas
Antioch
Hayward
Vallejo
Newark
Alameda
Campbell
Daly City
Pacific Grove
Browse thousands of different options on Cheapflights for your next trip
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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 marzo 25, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$416 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$253 | Average$482 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$265 | Average$374 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$274 | Average$451 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$288 | Average$475 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$307 | Average$532 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$308 | Average$514 | FlexibilityNo cancel fee | On-timeN/A |