$147+ Cheap flights from San Francisco (SFO) to Toronto (YTO)
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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YTO
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Toronto 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 San Francisco to Toronto are usually found in January or February, booked 60 days in advance, depart on a Wednesday or Tuesday and return on a Thursday
Cheap flight deals from San Francisco to Toronto
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Cheapest flights from San Francisco to TorontoExplore 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 September 1, 2026.
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 September 1, 2026.
This Justfly.com deal was found by Cheapflights users on 8/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
1 stop8h 15m
Wed 9/166:10 pm -
1 stop20h 50m
Deal found 8/27![WestJet logo]()
$348
This Justfly.com deal was found by Cheapflights users on 8/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 am -
2 stops10h 55m
Mon 10/512:40 pm -
2 stops12h 15m
Deal found 8/29![WestJet logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Thu 11/51:45 pm -
Nonstop4h 54m
Sat 11/77:00 am -
2 stops16h 32m
Deal found 8/27![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Thu 11/52:21 pm -
1 stop13h 29m
Fri 11/139:35 am -
1 stop9h 15m
Deal found 8/27![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Sat 9/126:00 am -
1 stop26h 55m
Wed 9/236:00 am -
1 stop9h 00m
Deal found 8/28![WestJet logo]()
$352
This FlightHub deal was found by Cheapflights users on 8/28. 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 9/286:00 am -
1 stop8h 15m
Thu 10/16:10 pm -
1 stop20h 50m
Deal found 8/28![WestJet logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/96:00 am -
1 stop8h 10m
Wed 9/166:00 am -
1 stop9h 00m
Deal found 8/27![WestJet logo]()
$353
This FlightHub deal was found by Cheapflights users on 8/28. 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 9/156:00 am -
1 stop8h 15m
Mon 9/216:10 pm -
1 stop20h 50m
Deal found 8/28![WestJet logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 8/29. 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.
Sun 11/294:40 pm -
1 stop9h 20m
Mon 12/149:50 am -
Nonstop5h 55m
Deal found 8/29![Multiple Airlines logo]()
$354
This Kissandfly.com deal was found by Cheapflights users on 8/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am -
1 stop8h 15m
Mon 9/146:10 pm -
1 stop20h 50m
Deal found 8/28![WestJet logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Tue 9/291:00 pm -
1 stop8h 10m
Sat 10/319:55 am -
1 stop13h 37m
Deal found 8/27![Multiple Airlines logo]()
$355
This FlightHub deal was found by Cheapflights users on 8/27. 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 9/166:00 am -
1 stop8h 15m
Mon 9/216:10 pm -
1 stop20h 50m
Deal found 8/27![WestJet logo]()
$355
Best flights from San Francisco to TorontoDiscover 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 September 1, 2026.
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 September 1, 2026.
This FlightHub deal was found by Cheapflights users on 8/28. 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 9/286:00 am -
1 stop8h 15m
Thu 10/16:10 pm -
1 stop20h 50m
Deal found 8/28![WestJet logo]()
$352
This Mytrip deal was found by Cheapflights users on 8/28. 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.
Wed 10/146:05 pm -
1 stop17h 55m
Sun 10/186:05 am -
1 stop18h 50m
Deal found 8/28![Multiple Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:55 pm -
1 stop11h 24m
Thu 9/246:10 am -
1 stop9h 10m
Deal found 8/27![Delta logo]()
$464
This Porter Airlines deal was found by Cheapflights users on 8/29. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:20 pm -
Nonstop5h 05m
Tue 9/229:45 am -
Nonstop5h 30m
Deal found 8/29![Porter Airlines logo]()
$487
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Wed 9/3012:35 am -
1 stop13h 07m
Sat 10/312:15 pm -
1 stop9h 39m
Deal found 8/26![United Airlines logo]()
$509
This KAYAK deal was found by Cheapflights users on 8/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:10 am -
1 stop10h 20m
Mon 10/198:30 pm -
1 stop17h 47m
Deal found 8/28![Air Canada logo]()
$574
This FlightHub deal was found by Cheapflights users on 8/28. 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 9/156:00 am -
1 stop8h 15m
Mon 9/216:10 pm -
1 stop20h 50m
Deal found 8/28![WestJet logo]()
$353
This FlightHub deal was found by Cheapflights users on 8/28. 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 9/156:00 am -
1 stop10h 50m
Mon 9/218:40 pm -
1 stop18h 20m
Deal found 8/28![WestJet logo]()
$356
This United deal was found by Cheapflights users on 8/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:51 pm -
Nonstop5h 09m
Tue 10/206:30 pm -
Nonstop5h 29m
Deal found 8/31![Multiple Airlines logo]()
$462
This FlightHub deal was found by Cheapflights users on 8/27. 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 9/306:00 am -
1 stop10h 50m
Sun 10/48:40 pm -
1 stop18h 20m
Deal found 8/27![WestJet logo]()
$382
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Sat 10/35:00 am -
1 stop8h 42m
Sat 10/37:35 pm -
1 stop16h 10m
Deal found 8/26![United Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:59 pm -
1 stop6h 54m
Sat 9/266:15 am -
1 stop9h 51m
Deal found 8/27![Delta logo]()
$515
This Justfly.com deal was found by Cheapflights users on 8/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am -
1 stop8h 15m
Mon 10/196:10 pm -
1 stop20h 50m
Deal found 8/28![WestJet logo]()
$401
This Mytrip deal was found by Cheapflights users on 8/26. 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.
Tue 9/296:00 am -
1 stop8h 15m
Mon 10/268:00 am -
1 stop11h 50m
Deal found 8/26![Multiple Airlines logo]()
$488
This Delta deal was found by Cheapflights users on 8/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:59 pm -
1 stop9h 19m
Sat 9/2611:38 am -
1 stop13h 01m
Deal found 8/31![Delta logo]()
$515
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Wed 9/3012:35 am -
1 stop10h 07m
Thu 10/15:16 pm -
Nonstop5h 36m
Deal found 8/31![United Airlines logo]()
$521
This Mytrip deal was found by Cheapflights users on 8/27. 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.
Thu 9/176:00 am -
2 stops10h 34m
Tue 9/226:05 am -
3 stops18h 50m
Deal found 8/27![Multiple Airlines logo]()
$503
This FlightHub deal was found by Cheapflights users on 8/27. 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.
Sat 9/196:00 am -
1 stop10h 50m
Tue 9/228:40 pm -
1 stop18h 20m
Deal found 8/27![WestJet logo]()
$417
This Delta deal was found by Cheapflights users on 8/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:55 pm -
1 stop9h 28m
Sun 10/111:34 pm -
1 stop12h 25m
Deal found 8/29![Delta logo]()
$518
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Fri 10/210:51 pm -
Nonstop5h 09m
Sun 10/46:30 am -
Nonstop5h 38m
Deal found 8/28![United Airlines logo]()
$536
This Trip.com deal was found by Cheapflights users on 8/27. 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.
Sun 10/111:00 pm -
1 stop25h 15m
Sun 10/186:10 pm -
1 stop20h 50m
Deal found 8/27![WestJet logo]()
$428
This Delta deal was found by Cheapflights users on 8/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:45 am -
1 stop7h 59m
Sun 10/111:34 pm -
1 stop12h 25m
Deal found 8/29![Delta logo]()
$518
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Sat 10/38:10 am -
Nonstop5h 04m
Tue 10/65:16 pm -
Nonstop5h 36m
Deal found 8/31![United Airlines logo]()
$536
This FlightHub deal was found by Cheapflights users on 8/30. 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.
Thu 9/246:00 am -
1 stop10h 50m
Fri 10/28:40 pm -
1 stop18h 20m
Deal found 8/30![WestJet logo]()
$436
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Fri 10/3010:45 pm -
1 stop8h 21m
Sat 11/712:10 pm -
1 stop9h 46m
Deal found 8/26![United Airlines logo]()
$557
This United deal was found by Cheapflights users on 8/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:45 am -
1 stop9h 11m
Wed 10/1412:30 pm -
1 stop11h 17m
Deal found 8/28![Multiple Airlines logo]()
$615
This KAYAK deal was found by Cheapflights users on 8/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop9h 55m
Sun 10/186:00 am -
1 stop9h 00m
Deal found 8/28![WestJet logo]()
$450
This KAYAK deal was found by Cheapflights users on 8/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:00 pm -
1 stop9h 05m
Mon 10/192:50 pm -
1 stop10h 05m
Deal found 8/28![WestJet logo]()
$450
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Wed 9/306:45 am -
1 stop9h 06m
Thu 10/83:15 pm -
1 stop12h 40m
Deal found 8/26![United Airlines logo]()
$602
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Thu 9/246:45 am -
1 stop9h 06m
Fri 10/212:15 pm -
1 stop10h 17m
Deal found 8/31![United Airlines logo]()
$606
Last-minute flights from San Francisco to TorontoDiscover last-minute flight deals from San Francisco to Toronto. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Toronto. Data last updated September 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/96:00 am -
1 stop8h 10m
Thu 9/176:00 am -
1 stop9h 00m
Deal found 8/27![WestJet logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/96:00 am -
1 stop8h 10m
Wed 9/1612:40 pm -
2 stops12h 15m
Deal found 8/28![WestJet logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/96:00 am -
1 stop9h 55m
Fri 9/186:00 am -
1 stop9h 00m
Deal found 8/29![WestJet logo]()
$354
This Kissandfly.com deal was found by Cheapflights users on 8/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am -
1 stop8h 15m
Mon 9/146:10 pm -
1 stop20h 50m
Deal found 8/28![WestJet logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Sat 9/126:00 am -
2 stops24h 45m
Wed 9/2310:50 am -
1 stop8h 50m
Deal found 8/28![WestJet logo]()
$350
This Justfly.com deal was found by Cheapflights users on 8/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
1 stop8h 15m
Wed 9/166:10 pm -
1 stop20h 50m
Deal found 8/27![WestJet logo]()
$348
This FlightHub deal was found by Cheapflights users on 8/28. 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 9/156:00 am -
1 stop8h 15m
Mon 9/216:10 pm -
1 stop20h 50m
Deal found 8/28![WestJet logo]()
$353
This FlightHub deal was found by Cheapflights users on 8/28. 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 9/156:00 am -
1 stop10h 50m
Mon 9/218:40 pm -
1 stop18h 20m
Deal found 8/28![WestJet logo]()
$356
This FlightHub deal was found by Cheapflights users on 8/27. 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 9/166:00 am -
1 stop8h 15m
Mon 9/216:10 pm -
1 stop20h 50m
Deal found 8/27![WestJet logo]()
$355
This FlightHub deal was found by Cheapflights users on 8/28. 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 9/286:00 am -
1 stop8h 15m
Thu 10/16:10 pm -
1 stop20h 50m
Deal found 8/28![WestJet logo]()
$352
This Justfly.com deal was found by Cheapflights users on 8/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 am -
2 stops10h 55m
Mon 10/512:40 pm -
2 stops12h 15m
Deal found 8/29![WestJet logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Tue 9/291:00 pm -
1 stop8h 10m
Sat 10/319:55 am -
1 stop13h 37m
Deal found 8/27![Multiple Airlines logo]()
$355
One-way flights from San Francisco to TorontoSearch for one-way flight options from San Francisco to Toronto. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
Search for one-way flight options from San Francisco to Toronto. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Justfly.com deal was found by Cheapflights users on 8/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
1 stop8h 15m
Deal found 8/27![WestJet logo]()
$147
This Trip.com deal was found by Cheapflights users on 8/28. 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 9/116:00 am -
1 stop8h 15m
Deal found 8/28![WestJet logo]()
$148
This Justfly.com deal was found by Cheapflights users on 8/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 am -
1 stop8h 15m
Deal found 8/27![WestJet logo]()
$164
This Super.com deal was found by Cheapflights users on 8/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 am -
1 stop8h 15m
Deal found 8/27![WestJet logo]()
$170
This WestJet deal was found by Cheapflights users on 8/30. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 am -
1 stop8h 15m
Deal found 8/30![WestJet logo]()
$171
This Kissandfly.com deal was found by Cheapflights users on 8/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am -
1 stop8h 15m
Deal found 8/28![WestJet logo]()
$172
This Trip.com deal was found by Cheapflights users on 8/26. 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.
Mon 10/196:00 am -
1 stop8h 15m
Deal found 8/26![WestJet logo]()
$176
This Super.com deal was found by Cheapflights users on 8/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:05 pm -
1 stop20h 10m
Deal found 8/27![WestJet logo]()
$179
This Super.com deal was found by Cheapflights users on 8/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am -
1 stop8h 15m
Deal found 8/31![WestJet logo]()
$180
This FlightHub deal was found by Cheapflights users on 8/27. 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 9/166:05 pm -
1 stop20h 10m
Deal found 8/27![WestJet logo]()
$182
This SmartFares deal was found by Cheapflights users on 8/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:00 pm -
1 stop9h 05m
Deal found 8/31![WestJet logo]()
$183
This Super.com deal was found by Cheapflights users on 8/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am -
1 stop8h 15m
Deal found 8/30![WestJet logo]()
$183
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 September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $348 (Justfly.com) |
One-way from | $147 (Justfly.com) |
Popular in | December |
Cheapest in | January |
Average price | $524 |
Good round-trip deal | $486 or less |
Good one-way deal | $288 or less |
Cheapflights Fare Finder
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 September 1, 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
Cheapest round-trip
San FranciscoHamilton
SFO San Francisco - YHM Hamilton
SFOYHM
San Francisco
Mon 9/28
6:00 am-5:15 pm
1 stop8h 15m
Hamilton
Thu 10/1
6:10 pm-12:00 pm
1 stop20h 50m
$352
San FranciscoHamilton
SFO San Francisco - YHM Hamilton
SFOYHM
San Francisco
Tue 9/15
6:00 am-5:15 pm
1 stop8h 15m
Hamilton
Mon 9/21
6:10 pm-12:00 pm
1 stop20h 50m
$353
San FranciscoToronto
SFO San Francisco - YKF Toronto Region of Waterloo Intl
SFOYKF
San Francisco
Tue 9/15
6:00 am-7:50 pm
1 stop10h 50m
Toronto Region of Waterloo Intl
Mon 9/21
8:40 pm-12:00 pm
1 stop18h 20m
$356
San FranciscoToronto
SFO San Francisco - YKF Toronto Region of Waterloo Intl
SFOYKF
San Francisco
Wed 9/30
6:00 am-7:50 pm
1 stop10h 50m
Toronto Region of Waterloo Intl
Sun 10/4
8:40 pm-12:00 pm
1 stop18h 20m
$382
San FranciscoHamilton
SFO San Francisco - YHM Hamilton
SFOYHM
San Francisco
Fri 10/16
6:00 am-5:15 pm
1 stop8h 15m
Hamilton
Mon 10/19
6:10 pm-12:00 pm
1 stop20h 50m
$401
San FranciscoToronto
SFO San Francisco - YKF Toronto Region of Waterloo Intl
SFOYKF
San Francisco
Sat 9/19
6:00 am-7:50 pm
1 stop10h 50m
Toronto Region of Waterloo Intl
Tue 9/22
8:40 pm-12:00 pm
1 stop18h 20m
$417
San FranciscoHamilton
SFO San Francisco - YHM Hamilton
SFOYHM
San Francisco
Sun 10/11
1:00 pm-5:15 pm
1 stop25h 15m
Hamilton
Sun 10/18
6:10 pm-12:00 pm
1 stop20h 50m
$428
San FranciscoToronto
SFO San Francisco - YKF Toronto Region of Waterloo Intl
SFOYKF
San Francisco
Thu 9/24
6:00 am-7:50 pm
1 stop10h 50m
Toronto Region of Waterloo Intl
Fri 10/2
8:40 pm-12:00 pm
1 stop18h 20m
$436
San FranciscoToronto
SFO San Francisco - YYZ Toronto Pearson Intl
SFOYYZ
San Francisco
Tue 10/13
6:00 am-6:55 pm
1 stop9h 55m
Toronto Pearson Intl
Sun 10/18
6:00 am-12:00 pm
1 stop9h 00m
$450
San FranciscoToronto
SFO San Francisco - YYZ Toronto Pearson Intl
SFOYYZ
San Francisco
Tue 10/13
1:00 pm-1:05 am
1 stop9h 05m
Toronto Pearson Intl
Mon 10/19
2:50 pm-9:55 pm
1 stop10h 05m
$450
Showing 1-10 of 60 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Toronto
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 San Francisco to Toronto in September.
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Toronto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Toronto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Toronto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Toronto 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 San Francisco-Toronto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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 $386). Flying from San Francisco to Toronto in December is currently the most expensive (average of $624). 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 September 1, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 28% on flights from San Francisco to Toronto by exploring options for tickets at noon.
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 September 1, 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 (20 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 $411 and $651 in September.The cheapest round-trip price found within the last 5 days was $348 on WestJet (Sep 14-Sep 16).
What’s the top layover airport for flights from San Francisco to Toronto?
Share of 1-stop round-trip flights from San Francisco to Toronto chosen by Cheapflights users in the past 12 months, using the same layover each way.
Calgary (YYC) – chosen by Cheapflights users on 86% of 1-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 $340.
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 Salt Lake City (SLC) have the shortest average one-way travel time for 1-stop routes: 7h 50m.
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 Calgary (YYC) offer the fastest connection on this route, with an average layover time of 1h 49m.
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 August 29, 2026.
Travelers seeking maximum savings on their San Francisco to Toronto flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for San Francisco to Toronto flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Toronto trip
Our travel experts
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 September 1, 2026.
Read through reviews of airlines operating flights from San Francisco to Toronto, such as Porter Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.6
Overall
8.0
Boarding
8.2
Crew
8.6
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Food
7.6
Overall
8.0
Boarding
8.2
Crew
8.6
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Food
7.6
Overall
8.0
Boarding
8.2
Crew
8.6
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Food
7.6
Overall
8.0
Boarding
8.2
Crew
8.6
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Food
7.6
Overall
8.0
Boarding
8.2
Crew
8.6
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Food
7.6
Overall
8.0
Boarding
8.2
Crew
8.6
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
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.
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.
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Alternative routes for San Francisco to Toronto
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Complete your trip
Complete your trip to Toronto by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Toronto by cabin class
Find flights from San Francisco to Toronto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Toronto flights
Browse other San Francisco and Toronto flight options. Last updated on September 1, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Toronto
Explore flights to Toronto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
Top 8 airlines flying from San Francisco to Toronto
Discover the top 8 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 September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$143 | Average$332 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$160 | Average$503 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$163 | Average$426 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$202 | Average$432 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$554 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$338 | Average$404 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$426 | Average$634 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$448 | Average$621 | FlexibilityNo cancel fee | On-time71% |