Cheap flights from San Francisco to Toronto from C$ 205
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YTO
6 Oct — 13 Oct1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Toronto are usually found in January or February, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Friday
Cheap flight deals from San Francisco to Toronto
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
Cheapest flights from San Francisco to Toronto
Explore the most affordable flight options available from San Francisco to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.
Mon 14/96:00 a.m. -
1 stop8h 15m
Fri 18/96:10 p.m. -
1 stop20h 50m
Deal found 4/9C$ 483
Mon 14/96:00 a.m. -
1 stop8h 15m
Mon 21/96:10 p.m. -
1 stop20h 50m
Deal found 3/9C$ 484
Mon 14/96:00 a.m. -
2 stops10h 55m
Fri 2/1012:40 p.m. -
2 stops12h 15m
Deal found 2/9C$ 487
Fri 11/121:45 p.m. -
Nonstop4h 54m
Wed 16/1210:50 p.m. -
2 stops20h 00m
Deal found 2/9C$ 488
Tue 15/96:00 a.m. -
1 stop8h 15m
Tue 6/106:10 p.m. -
1 stop20h 50m
Deal found 5/9C$ 488
Mon 21/96:00 a.m. -
1 stop15h 10m
Tue 22/93:50 p.m. -
1 stop9h 05m
Deal found 3/9C$ 490
Tue 15/96:00 a.m. -
1 stop8h 15m
Fri 18/96:10 p.m. -
1 stop20h 50m
Deal found 3/9C$ 490
Wed 14/101:00 p.m. -
2 stops13h 10m
Sat 17/1012:40 p.m. -
2 stops12h 15m
Deal found 1/9C$ 491
Mon 14/96:00 a.m. -
1 stop8h 15m
Tue 22/96:10 p.m. -
1 stop20h 50m
Deal found 5/9C$ 491
Mon 14/96:00 a.m. -
2 stops10h 55m
Tue 22/99:45 a.m. -
Nonstop5h 30m
Deal found 3/9C$ 493
Tue 22/96:00 a.m. -
1 stop8h 15m
Tue 6/106:10 p.m. -
1 stop20h 50m
Deal found 4/9C$ 493
Tue 6/101:20 p.m. -
Nonstop5h 00m
Wed 14/106:00 a.m. -
1 stop9h 00m
Deal found 4/9C$ 494
Best flights from San Francisco to Toronto
Discover carefully curated flight deals from San Francisco to Toronto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 6 September 2026.
Thu 15/106:00 a.m. -
1 stop8h 15m
Mon 19/106:10 p.m. -
1 stop20h 50m
Deal found 4/9C$ 509
Sun 20/99:55 p.m. -
1 stop9h 28m
Tue 22/95:54 p.m. -
1 stop9h 05m
Deal found 1/9C$ 630
Wed 30/96:00 a.m. -
2 stops10h 29m
Sat 3/106:05 a.m. -
3 stops18h 50m
Deal found 5/9C$ 639
Fri 13/116:47 p.m. -
2 stops18h 18m
Mon 16/115:15 p.m. -
2 stops20h 58m
Deal found 2/9C$ 650
Wed 14/1012:45 a.m. -
1 stop10h 39m
Thu 15/105:16 p.m. -
Nonstop5h 36m
Deal found 5/9C$ 724
Wed 16/96:00 a.m. -
1 stop10h 50m
Tue 22/98:40 p.m. -
1 stop18h 20m
Deal found 5/9C$ 513
Wed 16/96:00 a.m. -
1 stop10h 50m
Mon 21/98:40 p.m. -
1 stop18h 20m
Deal found 3/9C$ 517
Wed 30/96:00 a.m. -
1 stop10h 50m
Fri 2/108:40 p.m. -
1 stop18h 20m
Deal found 5/9C$ 520
Thu 15/106:00 a.m. -
2 stops13h 25m
Sun 18/106:05 a.m. -
2 stops18h 50m
Deal found 5/9C$ 650
Wed 16/96:00 a.m. -
1 stop8h 15m
Wed 30/96:10 p.m. -
1 stop30h 45m
Deal found 2/9C$ 533
Wed 23/95:45 a.m. -
1 stop7h 59m
Fri 25/96:34 p.m. -
1 stop8h 23m
Deal found 5/9C$ 719
Wed 30/96:00 a.m. -
2 stops10h 29m
Tue 6/107:00 a.m. -
2 stops32h 00m
Deal found 4/9C$ 659
Mon 16/1110:05 a.m. -
2 stops10h 41m
Fri 4/1211:36 a.m. -
2 stops13h 46m
Deal found 6/9C$ 740
Wed 30/910:51 p.m. -
Nonstop5h 09m
Thu 8/106:30 a.m. -
Nonstop5h 38m
Deal found 2/9C$ 742
Wed 16/96:00 a.m. -
1 stop10h 50m
Thu 17/98:40 p.m. -
1 stop28h 15m
Deal found 4/9C$ 540
Thu 17/95:45 a.m. -
1 stop7h 59m
Tue 22/96:34 p.m. -
1 stop8h 23m
Deal found 3/9C$ 719
Wed 16/96:00 a.m. -
2 stops10h 29m
Tue 22/97:00 a.m. -
2 stops17h 55m
Deal found 1/9C$ 660
Mon 5/1010:51 p.m. -
Nonstop5h 09m
Sat 17/106:30 a.m. -
Nonstop5h 38m
Deal found 4/9C$ 744
Sat 14/114:30 p.m. -
2 stops15h 49m
Wed 2/125:25 p.m. -
1 stop9h 30m
Deal found 1/9C$ 722
Mon 21/96:00 a.m. -
1 stop10h 50m
Thu 1/108:40 p.m. -
1 stop18h 20m
Deal found 4/9C$ 548
Fri 16/1012:45 a.m. -
1 stop10h 39m
Sat 17/105:45 p.m. -
1 stop9h 45m
Deal found 5/9C$ 746
Mon 21/96:00 a.m. -
1 stop8h 15m
Thu 1/106:10 p.m. -
1 stop30h 45m
Deal found 2/9C$ 551
Fri 9/106:00 a.m. -
1 stop8h 15m
Mon 12/107:25 a.m. -
1 stop13h 35m
Deal found 3/9C$ 747
Wed 23/912:05 a.m. -
1 stop8h 30m
Mon 28/92:24 p.m. -
1 stop10h 25m
Deal found 5/9C$ 800
Thu 15/106:00 a.m. -
1 stop8h 15m
Sun 18/106:10 p.m. -
1 stop30h 45m
Deal found 5/9C$ 564
Sat 17/106:10 a.m. -
1 stop7h 38m
Mon 19/103:15 p.m. -
1 stop9h 11m
Deal found 2/9C$ 863
Thu 22/106:10 a.m. -
1 stop7h 38m
Sat 31/1010:45 a.m. -
1 stop13h 48m
Deal found 1/9C$ 800
Wed 16/96:00 a.m. -
1 stop10h 50m
Fri 18/98:40 p.m. -
1 stop28h 15m
Deal found 1/9C$ 577
Mon 5/106:45 a.m. -
1 stop9h 12m
Tue 6/1012:15 p.m. -
2 stops13h 37m
Deal found 2/9C$ 877
Sun 27/911:30 p.m. -
1 stop7h 37m
Tue 29/912:30 p.m. -
1 stop11h 17m
Deal found 3/9C$ 831
Direct flights from San Francisco to Toronto
Explore direct flight options from San Francisco to Toronto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 September 2026.
Wed 14/101:20 p.m. -
Nonstop5h 00m
Wed 21/109:45 a.m. -
Nonstop5h 35m
Deal found 2/9C$ 487
Thu 10/121:45 p.m. -
Nonstop4h 54m
Thu 7/19:50 a.m. -
Nonstop5h 55m
Deal found 4/9C$ 488
Sat 12/121:45 p.m. -
Nonstop4h 54m
Fri 8/19:50 a.m. -
Nonstop5h 55m
Deal found 4/9C$ 490
Sat 17/1011:35 a.m. -
Nonstop5h 05m
Sat 24/1010:05 a.m. -
Nonstop5h 29m
Deal found 2/9C$ 493
Sat 14/111:45 p.m. -
Nonstop4h 54m
Tue 1/129:50 a.m. -
Nonstop5h 55m
Deal found 1/9C$ 495
Fri 11/121:45 p.m. -
Nonstop4h 54m
Wed 16/129:50 a.m. -
Nonstop5h 55m
Deal found 3/9C$ 497
Wed 18/111:45 p.m. -
Nonstop4h 54m
Mon 23/119:50 a.m. -
Nonstop5h 55m
Deal found 4/9C$ 498
Sun 18/101:20 p.m. -
Nonstop5h 00m
Wed 21/109:45 a.m. -
Nonstop5h 35m
Deal found 5/9C$ 499
Sat 3/101:20 p.m. -
Nonstop5h 00m
Fri 23/109:45 a.m. -
Nonstop5h 35m
Deal found 4/9C$ 501
Sun 6/121:45 p.m. -
Nonstop4h 54m
Thu 14/19:50 a.m. -
Nonstop5h 55m
Deal found 2/9C$ 502
Wed 16/91:20 p.m. -
Nonstop5h 05m
Sun 20/99:45 a.m. -
Nonstop5h 30m
Deal found 3/9C$ 504
Last-minute flights from San Francisco to Toronto
Discover last-minute flight deals from San Francisco to Toronto. Data last updated 6 September 2026 and is based on user searches.
Mon 14/96:00 a.m. -
1 stop8h 15m
Fri 18/96:10 p.m. -
1 stop20h 50m
Deal found 4/9C$ 483
Mon 14/96:00 a.m. -
1 stop8h 15m
Mon 21/96:10 p.m. -
1 stop20h 50m
Deal found 3/9C$ 484
Mon 14/96:00 a.m. -
2 stops10h 55m
Fri 2/1012:40 p.m. -
2 stops12h 15m
Deal found 2/9C$ 487
Mon 14/96:00 a.m. -
1 stop8h 15m
Tue 22/96:10 p.m. -
1 stop20h 50m
Deal found 5/9C$ 491
Mon 14/96:00 a.m. -
2 stops10h 55m
Tue 22/99:45 a.m. -
Nonstop5h 30m
Deal found 3/9C$ 493
Tue 15/96:00 a.m. -
1 stop8h 15m
Tue 6/106:10 p.m. -
1 stop20h 50m
Deal found 5/9C$ 488
Tue 15/96:00 a.m. -
1 stop8h 15m
Fri 18/96:10 p.m. -
1 stop20h 50m
Deal found 3/9C$ 490
Mon 21/96:00 a.m. -
1 stop8h 10m
Wed 23/99:45 a.m. -
Nonstop5h 30m
Deal found 1/9C$ 488
Mon 21/96:00 a.m. -
1 stop15h 10m
Tue 22/93:50 p.m. -
1 stop9h 05m
Deal found 3/9C$ 490
Tue 22/96:00 a.m. -
1 stop8h 15m
Tue 6/106:10 p.m. -
1 stop20h 50m
Deal found 4/9C$ 493
Tue 6/101:20 p.m. -
Nonstop5h 00m
Wed 14/106:00 a.m. -
1 stop9h 00m
Deal found 4/9C$ 494
Wed 14/101:00 p.m. -
2 stops13h 10m
Sat 17/1012:40 p.m. -
2 stops12h 15m
Deal found 1/9C$ 491
One-way flights from San Francisco to Toronto
Search for one-way flight options from San Francisco to Toronto. Find affordable one-way fares based on user searches. Data last updated 6 September 2026.
Wed 16/96:00 a.m. -
1 stop8h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/9C$ 205
Mon 14/96:00 a.m. -
1 stop8h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/9C$ 206
Mon 21/96:00 a.m. -
1 stop8h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 209
Sun 13/96:00 a.m. -
1 stop8h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 1/9C$ 214
Thu 1/106:00 a.m. -
1 stop8h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 220
Thu 22/106:00 a.m. -
1 stop8h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/9C$ 221
Mon 12/106:00 a.m. -
1 stop8h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/9C$ 223
Fri 9/106:00 a.m. -
1 stop8h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 224
Fri 16/106:00 a.m. -
1 stop8h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 6/9C$ 227
Sat 19/96:00 a.m. -
2 stops20h 10m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 248
Thu 1/1010:24 p.m. -
3 stops20h 11m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/9C$ 249
Tue 6/101:00 p.m. -
2 stops19h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/9C$ 250
Find flight deals from San Francisco to Toronto
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Toronto (YTO). 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 6 September 2026.
Customize your flight search to find flights from San Francisco to Toronto 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 7,457,451 searches. Data last updated 6 September 2026.
Use the filters below to find and compare flights from San Francisco to Toronto that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
San FranciscoHamilton
SFO San Francisco - YHM Hamilton
SFOYHM
San Francisco
Sun 18/10
6:00 a.m.-5:15 p.m.
1 stop8h 15m
Hamilton
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 223
San FranciscoHamilton
SFO San Francisco - YHM Hamilton
SFOYHM
San Francisco
Fri 9/10
6:00 a.m.-5:15 p.m.
1 stop8h 15m
Hamilton
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 231
San FranciscoHamilton
SFO San Francisco - YHM Hamilton
SFOYHM
San Francisco
Mon 14/9
6:00 a.m.-5:15 p.m.
1 stop8h 15m
Hamilton
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 238
San FranciscoToronto
SFO San Francisco - YYZ Toronto Pearson Intl
SFOYYZ
San Francisco
Wed 28/10
4:51 p.m.-4:05 p.m.
2 stops20h 14m
Toronto Pearson Intl
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 253
San FranciscoToronto
SFO San Francisco - YKF Toronto Region of Waterloo Intl
SFOYKF
San Francisco
Wed 30/9
6:00 a.m.-7:50 p.m.
1 stop10h 50m
Toronto Region of Waterloo Intl
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 253
San FranciscoHamilton
SFO San Francisco - YHM Hamilton
SFOYHM
San Francisco
Tue 13/10
6:00 a.m.-5:15 p.m.
1 stop8h 15m
Hamilton
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 253
San FranciscoHamilton
SFO San Francisco - YHM Hamilton
SFOYHM
San Francisco
Wed 30/9
6:05 p.m.-5:15 p.m.
1 stop20h 10m
Hamilton
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 253
San FranciscoHamilton
SFO San Francisco - YHM Hamilton
SFOYHM
San Francisco
Tue 15/9
1:00 p.m.-5:15 p.m.
1 stop25h 15m
Hamilton
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 257
San FranciscoToronto
SFO San Francisco - YKF Toronto Region of Waterloo Intl
SFOYKF
San Francisco
Thu 24/9
6:00 a.m.-7:50 p.m.
1 stop10h 50m
Toronto Region of Waterloo Intl
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 260
San FranciscoToronto
SFO San Francisco - YKF Toronto Region of Waterloo Intl
SFOYKF
San Francisco
Fri 16/10
6:00 a.m.-7:50 p.m.
1 stop10h 50m
Toronto Region of Waterloo Intl
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 271
Flights are sorted by cheapest round-trip flights first.
Deals found on 3/9
Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6
Best time to book a flight from San Francisco to Toronto
Have a flexible travel schedule? Discover the best time to fly to Toronto from San Francisco with our price prediction graph.
SFO-YTO
SFO-YHM
SFO-YYZ
SFO-YKF
SFO-YTZ
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 San Francisco to Toronto
SFO-YTO
SFO-YHM
SFO-YYZ
SFO-YKF
SFO-YTZ
What is the cheapest month to book a flight from San Francisco to Toronto?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Toronto (average of C$ 534). Flying from San Francisco to Toronto in December is currently the most expensive (average of C$ 858). 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 SFO to YTO?
Find hourly flight availability from San Francisco to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 September 2026.
It’s typically best to fly out from San Francisco to Toronto at noon. Doing so could potentially save you 24% on the flight price compared to flying in the evening, which is usually more expensive.
Weekly flight availability from San Francisco to Toronto
Explore weekly flight availability from San Francisco to Toronto. 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 6 September 2026.
The most flights from SFO to YTO are scheduled on a Friday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 on average).
How much does it cost to fly round-trip from San Francisco to Toronto?
Airfare is below average for this route at the moment.
San Francisco to Toronto flights typically cost between C$ 585 and C$ 982 in September.The cheapest round-trip price found within the last 5 days was C$ 487 on WestJet (16 Sep-23 Sep).
What’s the top layover airport for flights from San Francisco to Toronto?
Share of one-stop round-trip flights from San Francisco to Toronto chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (ORD) – chosen by Cheapflights users on 50% of one-stop itineraries from San Francisco to Toronto on Cheapflights.
What’s the cheapest layover airport for flights from San Francisco to Toronto?
Average round-trip fare for 1-stop flights from San Francisco to Toronto, 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$ 449.
What’s the fastest layover option from San Francisco to Toronto?
Shortest average travel time for 1-stop one-way flights from San Francisco to Toronto, 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: 6h 59m.
Which airport typically offers the quickest layover for flights from San Francisco to Toronto?
Average layover duration for 1-stop one-way flights from San Francisco to Toronto, 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 48m.
How far ahead should I book a flight from San Francisco to Toronto?
The price you pay for your flight from San Francisco to Toronto may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from San Francisco to Toronto?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Toronto. Price data was last updated on 29 August 2026.
Travelers seeking maximum savings on their San Francisco to Toronto flight should consider departing on Tuesday afternoons 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.
Reviews of airlines servicing Toronto
Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated 6 September 2026.
Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andWestJet from San Francisco to Toronto 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.
Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Toronto. 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 from for flights from San Francisco to Toronto?
Located just 17.7 km from the city centre, San Francisco is the airport most travellers will use when flying to Toronto from San Francisco. Booking flights from San Francisco (SFO) to Toronto should be relatively easy as there are 21 daily outbound flights to Toronto from 4 different airlines.
How long is the flight from San Francisco to Toronto?
For as low as C$ 863, WestJet can have you in Toronto from San Francisco in 7h 37m. Airlines will cover a distance of 3644 km. This flight may include one or multiple stops.
What are the cheapest airlines flying from San Francisco to Toronto round-trip?
Cheapflights users have booked flights from San Francisco to Toronto round-trip from C$ 277. Other airlines that can offer you cheap pricing are Air Canada, from C$ 294, and Porter Airlines, from C$ 298. Air Transat is currently priced 60% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from San Francisco to Toronto one-way?
The cheapest airlines for a one-way flight from San Francisco to Toronto are WestJet (C$ 173), Porter Airlines (C$ 182), and Air Transat (C$ 192).
What are the most popular routes from San Francisco to Toronto?
The most popular route from San Francisco to Toronto is San Francisco - Toronto Pearson Intl. You may also consider San Francisco - Toronto Island or San Francisco - Hamilton.
What are the most reliable airlines from San Francisco to Toronto?
The top 3 most reliable airlines when flying from San Francisco to Toronto are Brussels Airlines (71%), Air Canada (67%) and United Airlines (67%).
What are the cheapest flights from San Francisco to Toronto?
Looking at all options, your cheapest flight can be booked for C$ 217. While the most popular route (San Francisco - Toronto Pearson Intl) can be booked for C$ 405 on average, our data indicates C$ 721 when flying from San Francisco to Toronto.
Can I find deals for business class flights from San Francisco to Toronto?
Yes. Cheapflights offers flight deals from San Francisco to Toronto 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 San Francisco to Toronto?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Toronto (average of C$ 534). Flying from San Francisco to Toronto in December is currently the most expensive (average of C$ 858). 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.
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 6 September 2026.
Explore flights to Toronto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 6 September 2026.
Top 4 airlines flying from San Francisco to Toronto
Discover the top 4 airlines that operate flights from San Francisco to Toronto. 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 7,457,451 searches. Data last updated 6 September 2026.
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 San Francisco to Toronto?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Toronto from San Francisco today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from San Francisco to Toronto?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to Toronto.
Can Cheapflights find flights from San Francisco to Toronto with no change fees?
Certainly. Search results for flights to Toronto from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from San Francisco to Toronto become cheaper?
Yes, Cheapflights offers price alerts on San Francisco to Toronto flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyze navigation, to offer and measure personalized advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review and update your choices anytime by clicking the ’Privacy Preferences’ link in the page side navigation.