Cheap flights from Toronto to San Francisco from C$ 179
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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SFO
11 Oct — 18 Oct1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy
Cheapflights Tip: The best prices from Toronto to San Francisco are usually found in April or March, booked 67 days in advance, depart on a Friday or Thursday and return on a Friday
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 11 September 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 11 September 2025.
Wed 1/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Wed 8/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 9/9C$ 342
Tue 7/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Fri 17/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 11/9C$ 352
Wed 8/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Sun 12/107:30 a.m.SFO - YHM
1 stop14h 10mWestJet
Deal found 10/9C$ 353
Fri 3/106:00 a.m.YHM - SFO
1 stop18h 24mWestJet
Mon 6/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 9/9C$ 363
Tue 21/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Tue 28/101:00 p.m.SFO - YHM
1 stop25h 17mWestJet
Deal found 9/9C$ 366
Tue 7/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Tue 14/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 9/9C$ 374
Fri 3/1012:00 p.m.YYZ - SFO
2 stops12h 24mWestJet
Mon 13/102:45 p.m.SFO - YYZ
1 stop19h 53mWestJet
Deal found 11/9C$ 381
Fri 3/106:00 a.m.YKF - SFO
1 stop18h 24mWestJet
Thu 9/1012:50 p.m.SFO - YKF
1 stop8h 55mWestJet
Deal found 9/9C$ 382
Thu 2/1010:40 a.m.YYZ - SFO
1 stop10h 27mMultiple Airlines
Wed 12/118:00 a.m.SFO - YYZ
1 stop8h 55mMultiple Airlines
Deal found 9/9C$ 382
Fri 17/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Mon 20/107:30 a.m.SFO - YHM
1 stop14h 10mWestJet
Deal found 9/9C$ 384
Tue 14/1010:25 p.m.YYZ - SFO
2 stops16h 29mWestJet
Tue 21/1012:50 p.m.SFO - YYZ
1 stop8h 32mWestJet
Deal found 9/9C$ 384
Wed 15/1010:25 p.m.YYZ - SFO
1 stop25h 59mWestJet
Wed 22/1012:50 p.m.SFO - YYZ
2 stops14h 01mWestJet
Deal found 10/9C$ 385
Best flights from Toronto to San Francisco
Discover carefully curated flight deals from Toronto to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2025.
Tue 7/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Tue 14/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 9/9C$ 374
Sun 19/106:15 a.m.YKF - SFO
2 stops18h 09mMultiple Airlines
Fri 24/1012:50 p.m.SFO - YKF
1 stop13h 25mMultiple Airlines
Deal found 11/9C$ 420
Tue 25/113:30 p.m.YTZ - SFO
1 stop8h 52mAir Canada
Tue 2/128:25 a.m.SFO - YTZ
1 stop10h 10mAir Canada
Deal found 11/9C$ 437
Fri 31/104:45 p.m.YYZ - SFO
1 stop10h 05mAlaska Airlines
Sat 8/117:37 p.m.SFO - YYZ
1 stop16h 58mAlaska Airlines
Deal found 9/9C$ 452
Sun 5/106:30 a.m.YYZ - SFO
Nonstop5h 40mUnited Airlines
Wed 15/106:30 a.m.SFO - YYZ
1 stop7h 44mUnited Airlines
Deal found 11/9C$ 477
Tue 30/912:15 p.m.YYZ - SFO
1 stop8h 32mDelta
Thu 2/1012:45 a.m.SFO - YYZ
1 stop7h 53mDelta
Deal found 9/9C$ 477
Mon 20/109:45 a.m.YYZ - SFO
Nonstop5h 38mPorter Airlines
Wed 5/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 9/9C$ 500
Mon 6/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Mon 13/102:45 p.m.SFO - YHM
2 stops30h 55mWestJet
Deal found 8/9C$ 391
Mon 6/105:45 p.m.YHM - SFO
1 stop18h 45mMultiple Airlines
Wed 8/1010:15 a.m.SFO - YHM
1 stop10h 44mMultiple Airlines
Deal found 10/9C$ 425
Sat 18/106:00 a.m.YKF - SFO
1 stop8h 54mWestJet
Wed 22/1012:50 p.m.SFO - YKF
1 stop8h 55mWestJet
Deal found 9/9C$ 394
Fri 24/1012:25 p.m.YTZ - SFO
1 stop10h 26mAir Canada
Tue 28/108:25 a.m.SFO - YTZ
1 stop10h 10mAir Canada
Deal found 11/9C$ 452
Sat 18/106:00 a.m.YKF - SFO
1 stop8h 54mWestJet
Fri 24/1012:50 p.m.SFO - YKF
1 stop8h 55mWestJet
Deal found 8/9C$ 394
Direct flights from Toronto to San Francisco
Explore direct flight options from Toronto to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2025.
Tue 11/119:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Tue 18/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 11/9C$ 385
Wed 19/119:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Mon 24/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 10/9C$ 387
Mon 6/109:45 a.m.YYZ - SFO
Nonstop5h 38mPorter Airlines
Wed 12/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 9/9C$ 388
Sun 26/109:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Sat 1/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 10/9C$ 391
Fri 24/109:45 a.m.YYZ - SFO
Nonstop5h 38mPorter Airlines
Mon 3/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 11/9C$ 392
Mon 27/109:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Mon 3/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 10/9C$ 395
Sun 23/119:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Sat 29/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 10/9C$ 396
Wed 1/109:45 a.m.YYZ - SFO
Nonstop5h 38mPorter Airlines
Wed 8/101:25 p.m.SFO - YYZ
Nonstop4h 59mPorter Airlines
Deal found 9/9C$ 399
Mon 20/109:45 a.m.YYZ - SFO
Nonstop5h 38mPorter Airlines
Sun 26/101:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 11/9C$ 400
Thu 20/119:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Tue 2/121:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 10/9C$ 403
Wed 15/109:45 a.m.YYZ - SFO
Nonstop5h 38mPorter Airlines
Mon 3/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 9/9C$ 407
Last-minute flights from Toronto to San Francisco
Discover last-minute flight deals from Toronto to San Francisco. Data last updated 11 September 2025 and is based on user searches.
Tue 16/97:00 p.m.YYZ - SFO
2 stops19h 54mWestJet
Tue 23/97:30 a.m.SFO - YYZ
2 stops14h 01mWestJet
Deal found 9/9C$ 385
Tue 16/910:25 p.m.YYZ - SFO
1 stop16h 29mWestJet
Sat 27/912:50 p.m.SFO - YYZ
2 stops14h 01mWestJet
Deal found 9/9C$ 387
Wed 17/91:30 p.m.YYZ - SFO
1 stop10h 54mMultiple Airlines
Tue 23/98:00 a.m.SFO - YYZ
1 stop8h 45mMultiple Airlines
Deal found 9/9C$ 391
Wed 1/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Wed 8/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 9/9C$ 342
Fri 3/106:00 a.m.YHM - SFO
1 stop18h 24mWestJet
Mon 6/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 9/9C$ 363
Tue 7/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Fri 17/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 11/9C$ 352
Tue 7/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Tue 14/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 9/9C$ 374
Wed 8/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Sun 12/107:30 a.m.SFO - YHM
1 stop14h 10mWestJet
Deal found 10/9C$ 353
Sat 11/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Fri 17/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 10/9C$ 394
Tue 14/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Mon 20/107:30 a.m.SFO - YHM
1 stop14h 10mWestJet
Deal found 11/9C$ 387
Fri 17/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Mon 20/107:30 a.m.SFO - YHM
1 stop14h 10mWestJet
Deal found 9/9C$ 384
Tue 21/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Tue 28/101:00 p.m.SFO - YHM
1 stop25h 17mWestJet
Deal found 9/9C$ 366
One-way flights from Toronto to San Francisco
Search for one-way flight options from Toronto to San Francisco. Find affordable one-way fares based on user searches. Data last updated 11 September 2025.
Tue 14/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Deal found 10/9C$ 179
Mon 20/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Deal found 11/9C$ 206
Wed 15/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Deal found 9/9C$ 211
Tue 21/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Deal found 10/9C$ 229
Wed 8/103:00 p.m.YYZ - SFO
1 stop9h 24mWestJet
Deal found 11/9C$ 237
Mon 6/106:00 a.m.YKF - SFO
1 stop8h 54mWestJet
Deal found 11/9C$ 238
Wed 1/1010:40 a.m.YYZ - SFO
1 stop27h 03mMultiple Airlines
Deal found 10/9C$ 238
Fri 26/93:35 p.m.YTZ - SFO
3 stops32h 49mMultiple Airlines
Deal found 10/9C$ 240
Wed 1/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Deal found 10/9C$ 240
Wed 8/109:45 a.m.YYZ - SFO
Nonstop5h 38mPorter Airlines
Deal found 11/9C$ 240
Tue 16/126:20 a.m.YKF - SFO
1 stop8h 52mWestJet
Deal found 10/9C$ 241
Mon 29/93:35 p.m.YTZ - SFO
3 stops23h 19mMultiple Airlines
Deal found 10/9C$ 241
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 11 September 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
Tue 7/10
6:00 a.m.-11:54 a.m.
1 stop8h 54m
San Francisco
Tue 14/10
12:50 p.m.-12:40 a.m.
1 stop8h 50m
C$ 374
HamiltonSan Francisco
YHM - SFO
YHMSFO
Hamilton
Mon 6/10
6:00 a.m.-11:54 a.m.
1 stop8h 54m
San Francisco
Mon 13/10
2:45 p.m.-12:40 a.m.
2 stops30h 55m
C$ 391
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Sat 18/10
6:00 a.m.-11:54 a.m.
1 stop8h 54m
San Francisco
Wed 22/10
12:50 p.m.-12:45 a.m.
1 stop8h 55m
C$ 394
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Sat 18/10
6:00 a.m.-11:54 a.m.
1 stop8h 54m
San Francisco
Fri 24/10
12:50 p.m.-12:45 a.m.
1 stop8h 55m
C$ 394
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Tue 14/10
6:00 a.m.-11:54 a.m.
1 stop8h 54m
San Francisco
Fri 24/10
12:50 p.m.-12:45 a.m.
1 stop8h 55m
C$ 394
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Fri 17/10
6:00 a.m.-11:54 a.m.
1 stop8h 54m
San Francisco
Fri 24/10
12:50 p.m.-12:45 a.m.
1 stop8h 55m
C$ 394
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Fri 17/10
6:00 a.m.-11:54 a.m.
1 stop8h 54m
San Francisco
Wed 22/10
12:50 p.m.-12:45 a.m.
1 stop8h 55m
C$ 394
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Tue 14/10
6:00 a.m.-11:54 a.m.
1 stop8h 54m
San Francisco
Thu 23/10
12:50 p.m.-12:45 a.m.
1 stop8h 55m
C$ 394
HamiltonSan Francisco
YHM - SFO
YHMSFO
Hamilton
Sat 11/10
6:00 a.m.-11:54 a.m.
1 stop8h 54m
San Francisco
Fri 17/10
12:50 p.m.-12:40 a.m.
1 stop8h 50m
C$ 394
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Sun 19/10
6:15 a.m.-9:24 p.m.
2 stops18h 09m
San Francisco
Fri 24/10
12:50 p.m.-5:15 a.m.
1 stop13h 25m
C$ 420
Flights are sorted by cheapest round-trip flights first.
Deals found on 9/9
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 29 August 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 C$ 276). Flying from Toronto to San Francisco in December is currently the most expensive (average of C$ 368). 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 11 September 2025.
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 54% 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 16 December 2024.
Travelers seeking maximum savings on their Toronto to San Francisco flight should consider departing on Wednesday 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 11 September 2025.
The most flights from YTO to SFO are scheduled on a Wednesday (21 on average). You will have fewer flight options on Thursday, 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 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 85% 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$ 384.
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.
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 11 September 2025.
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.
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.
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.
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.
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.
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.
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 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 19 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, Air Canada, and Alaska Airlines fly from Toronto to San Francisco in about 8h 52m. The time it takes to get you to your destination can typically vary by up to 1h 13m. Airlines will cover a distance of 3644 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, American Airlines (C$ 258), WestJet (C$ 288), and Delta (C$ 299) offers the cheapest pricing from Toronto to San Francisco. Users have found that American Airlines is 51% 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$ 179), Air Canada (C$ 243), and Porter Airlines (C$ 254).
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?
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: Porter Airlines (82%), Air Transat (82%), Singapore Airlines (61%).
What are the cheapest flights from Toronto to San Francisco?
While on average a flight from Toronto to San Francisco is generally C$ 1,325, our data shows the cheapest flight currently is C$ 251. When looking at the most popular route, (Toronto Pearson Intl - San Francisco), you can expect to pay C$ 258 for that flight.
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 C$ 276). Flying from Toronto to San Francisco in December is currently the most expensive (average of C$ 368). 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.
Book flights to San Francisco if you plan to visit one of these locations
Richmond
Newark
Alameda
Redwood City
Burlingame
San Bruno
South San Francisco
Scotts Valley
Belmont
Novato
Millbrae
Santa Clara
Vallejo
Browse thousands of different options on Cheapflights for your next trip
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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 11 September 2025.
Browse through other flights departing from Toronto. Flights are based on user searches made on Cheapflights and were last updated on 11 September 2025.
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 September 2025.
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 11 September 2025.
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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