$191+ Cheap flights from Toronto (YTO) to San Francisco (SFO)
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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SFO
Oct 25 — Nov 11
Round-trip
1 adult, Economy
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Find cheap flights from Toronto to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Toronto to San Francisco are usually found in January or November, booked 75 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from Toronto to San Francisco
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Cheapest flights from Toronto to San FranciscoExplore the most affordable flight options available from Toronto to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
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 September 25, 2026.
This Justfly.com deal was found by Cheapflights users on 9/20. 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.
Sat 10/1712:40 pm -
2 stops12h 15m
Sat 10/241:00 pm -
2 stops14h 45m
Deal found 9/20![WestJet logo]()
$293
This Justfly.com deal was found by Cheapflights users on 9/20. 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.
Sat 10/1712:40 pm -
2 stops12h 15m
Fri 10/236:00 am -
2 stops12h 35m
Deal found 9/20![WestJet logo]()
$295
This Justfly.com deal was found by Cheapflights users on 9/20. 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.
Wed 10/1412:40 pm -
2 stops12h 15m
Sun 10/186:00 am -
1 stop9h 55m
Deal found 9/20![WestJet logo]()
$297
This Trip.com deal was found by Cheapflights users on 9/20. 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.
Thu 10/152:50 pm -
1 stop10h 05m
Wed 10/216:05 pm -
1 stop8h 40m
Deal found 9/20![WestJet logo]()
$298
This Mytrip deal was found by Cheapflights users on 9/22. 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 10/1412:40 pm -
2 stops12h 15m
Mon 10/191:00 pm -
1 stop8h 10m
Deal found 9/22![WestJet logo]()
$299
This Trip.com deal was found by Cheapflights users on 9/20. 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.
Thu 10/153:50 pm -
1 stop9h 05m
Mon 10/191:00 pm -
2 stops13h 10m
Deal found 9/20![WestJet logo]()
$300
This FlightHub deal was found by Cheapflights users on 9/20. 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 11/249:50 am -
Nonstop5h 55m
Tue 12/11:45 pm -
Nonstop4h 54m
Deal found 9/20![Porter Airlines logo]()
$301
This Trip.com deal was found by Cheapflights users on 9/22. 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 stop9h 00m
Fri 10/231:00 pm -
2 stops13h 10m
Deal found 9/22![WestJet logo]()
$302
This Justfly.com deal was found by Cheapflights users on 9/22. 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.
Wed 10/1412:40 pm -
2 stops12h 15m
Thu 10/226:00 am -
2 stops10h 00m
Deal found 9/22![WestJet logo]()
$305
This Ticket deal was found by Cheapflights users on 9/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:30 pm -
1 stop11h 17m
Wed 10/218:10 am -
1 stop10h 20m
Deal found 9/21![Air Canada logo]()
$315
This Cheapflightsfares deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:40 pm -
1 stop18h 20m
Fri 10/236:00 am -
1 stop10h 50m
Deal found 9/22![WestJet logo]()
$324
This Air Canada deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:30 pm -
1 stop11h 17m
Tue 10/278:25 am -
1 stop10h 11m
Deal found 9/21![Air Canada logo]()
$333
Best flights from Toronto to San FranciscoDiscover 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 September 25, 2026.
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 September 25, 2026.
This United deal was found by Cheapflights users on 9/22. 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 11/96:10 am -
1 stop9h 09m
Fri 11/134:40 pm -
Nonstop4h 49m
Deal found 9/22![Multiple Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Tue 10/66:30 am -
Nonstop5h 38m
Sat 10/106:45 am -
1 stop9h 17m
Deal found 9/22![United Airlines logo]()
$343
This FlightHub deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:40 pm -
1 stop28h 15m
Mon 10/196:00 am -
1 stop10h 50m
Deal found 9/25![WestJet logo]()
$357
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:33 pm -
1 stop8h 23m
Tue 10/206:05 am -
1 stop9h 24m
Deal found 9/23![Delta logo]()
$372
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/246:30 am -
Nonstop5h 38m
Sat 10/2412:55 am -
1 stop10h 08m
Deal found 9/21![United Airlines logo]()
$344
This United deal was found by Cheapflights users on 9/21. 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.
Fri 10/236:30 am -
Nonstop5h 38m
Thu 10/298:25 am -
Nonstop4h 49m
Deal found 9/21![Multiple Airlines logo]()
$344
This United deal was found by Cheapflights users on 9/21. 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 10/136:10 am -
1 stop16h 14m
Sat 10/171:35 pm -
Nonstop5h 00m
Deal found 9/21![Multiple Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/21. 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 12/43:35 pm -
2 stops10h 28m
Sun 12/65:00 am -
2 stops8h 47m
Deal found 9/21![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:15 am -
1 stop9h 09m
Sun 11/1510:40 pm -
1 stop7h 15m
Deal found 9/24![Delta logo]()
$386
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Mon 10/56:10 am -
1 stop18h 40m
Sat 10/1010:51 pm -
Nonstop5h 09m
Deal found 9/21![United Airlines logo]()
$349
This United deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:30 am -
Nonstop5h 59m
Fri 11/278:25 am -
Nonstop4h 49m
Deal found 9/24![Multiple Airlines logo]()
$394
This Cheapflightsfares deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:40 pm -
1 stop18h 20m
Fri 10/96:00 am -
1 stop10h 50m
Deal found 9/21![WestJet logo]()
$504
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:30 am -
Nonstop5h 38m
Sat 10/2412:55 am -
1 stop10h 08m
Deal found 9/24![United Airlines logo]()
$394
This United deal was found by Cheapflights users on 9/20. 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.
Wed 11/253:20 pm -
1 stop9h 09m
Thu 11/268:25 am -
1 stop10h 11m
Deal found 9/20![Multiple Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 9/22. 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 11/62:05 pm -
2 stops13h 48m
Fri 11/136:15 am -
1 stop9h 42m
Deal found 9/22![United Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 9/21. 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 11/63:20 pm -
1 stop9h 09m
Mon 11/98:45 pm -
2 stops15h 00m
Deal found 9/21![United Airlines logo]()
$395
This oojo deal was found by Cheapflights users on 9/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:40 pm -
1 stop18h 20m
Sat 10/101:00 pm -
1 stop27h 50m
Deal found 9/22![WestJet logo]()
$588
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/103:15 pm -
1 stop9h 11m
Mon 10/196:10 am -
1 stop7h 38m
Deal found 9/21![United Airlines logo]()
$396
This Trip.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:40 pm -
1 stop28h 15m
Mon 10/196:00 am -
1 stop10h 50m
Deal found 9/24![WestJet logo]()
$599
This Mytrip deal was found by Cheapflights users on 9/20. 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 10/156:05 am -
1 stop18h 50m
Wed 10/216:05 pm -
1 stop17h 55m
Deal found 9/20![Multiple Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/162:20 pm -
2 stops11h 39m
Sun 10/186:38 pm -
2 stops17h 03m
Deal found 9/21![United Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/2312:15 pm -
1 stop9h 39m
Thu 10/296:35 am -
1 stop7h 07m
Deal found 9/21![United Airlines logo]()
$396
This Cheapflightsfares deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:40 pm -
1 stop18h 20m
Mon 10/196:00 am -
1 stop10h 50m
Deal found 9/22![WestJet logo]()
$645
This Mytrip deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:05 am -
1 stop8h 55m
Mon 10/196:00 am -
1 stop10h 50m
Deal found 9/24![Multiple Airlines logo]()
$549
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/173:15 pm -
1 stop9h 11m
Fri 10/235:00 am -
1 stop8h 48m
Deal found 9/20![United Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Sun 11/13:20 pm -
1 stop9h 09m
Tue 11/312:55 am -
1 stop12h 47m
Deal found 9/20![United Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:30 am -
Nonstop5h 59m
Thu 11/1210:27 am -
1 stop6h 41m
Deal found 9/23![United Airlines logo]()
$398
This Mytrip deal was found by Cheapflights users on 9/21. 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.
Fri 10/96:10 am -
2 stops14h 50m
Fri 10/166:00 am -
1 stop10h 50m
Deal found 9/21![Multiple Airlines logo]()
$673
Last-minute flights from Toronto to San FranciscoDiscover last-minute flight deals from Toronto to San Francisco. Data last updated September 25, 2026 and is based on user searches.
Discover last-minute flight deals from Toronto to San Francisco. Data last updated September 25, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 9/20. 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.
Wed 10/1412:40 pm -
2 stops12h 15m
Sun 10/186:00 am -
1 stop9h 55m
Deal found 9/20![WestJet logo]()
$297
This Mytrip deal was found by Cheapflights users on 9/22. 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 10/1412:40 pm -
2 stops12h 15m
Mon 10/191:00 pm -
1 stop8h 10m
Deal found 9/22![WestJet logo]()
$299
This Booking.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:40 pm -
2 stops12h 15m
Thu 10/221:00 pm -
1 stop9h 05m
Deal found 9/22![WestJet logo]()
$301
This Trip.com deal was found by Cheapflights users on 9/20. 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.
Wed 10/148:40 pm -
1 stop28h 15m
Sun 10/186:00 am -
1 stop10h 50m
Deal found 9/20![WestJet logo]()
$342
This Trip.com deal was found by Cheapflights users on 9/20. 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.
Thu 10/152:50 pm -
1 stop10h 05m
Wed 10/216:05 pm -
1 stop8h 40m
Deal found 9/20![WestJet logo]()
$298
This Trip.com deal was found by Cheapflights users on 9/20. 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.
Thu 10/153:50 pm -
1 stop9h 05m
Mon 10/191:00 pm -
2 stops13h 10m
Deal found 9/20![WestJet logo]()
$300
This Ticket deal was found by Cheapflights users on 9/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:30 pm -
1 stop11h 17m
Wed 10/218:10 am -
1 stop10h 20m
Deal found 9/21![Air Canada logo]()
$315
This Justfly.com deal was found by Cheapflights users on 9/20. 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.
Sat 10/1712:40 pm -
2 stops12h 15m
Sat 10/241:00 pm -
2 stops14h 45m
Deal found 9/20![WestJet logo]()
$293
This Justfly.com deal was found by Cheapflights users on 9/20. 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.
Sat 10/1712:40 pm -
2 stops12h 15m
Fri 10/236:00 am -
2 stops12h 35m
Deal found 9/20![WestJet logo]()
$295
This Trip.com deal was found by Cheapflights users on 9/22. 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 stop9h 00m
Fri 10/231:00 pm -
2 stops13h 10m
Deal found 9/22![WestJet logo]()
$302
This Cheapflightsfares deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:40 pm -
1 stop18h 20m
Fri 10/236:00 am -
1 stop10h 50m
Deal found 9/22![WestJet logo]()
$324
This Air Canada deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:30 pm -
1 stop11h 17m
Tue 10/278:25 am -
1 stop10h 11m
Deal found 9/21![Air Canada logo]()
$333
One-way flights from Toronto to San FranciscoSearch for one-way flight options from Toronto to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
Search for one-way flight options from Toronto to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:00 am -
1 stop9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![WestJet logo]()
$191
This Justfly.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:50 am -
Nonstop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Air Transat logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 12/82:15 pm -
2 stops24h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$193
This Trip.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:40 pm -
1 stop28h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![WestJet logo]()
$194
This Orbitz deal was found by Cheapflights users on 9/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:30 am -
1 stop11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![WestJet logo]()
$194
This FlightHub deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:40 pm -
1 stop28h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![WestJet logo]()
$195
This Mytrip deal was found by Cheapflights users on 9/22. 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 10/66:30 pm -
1 stop30h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![WestJet logo]()
$195
This Justfly.com deal was found by Cheapflights users on 9/22. 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 10/198:40 pm -
1 stop18h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![WestJet logo]()
$196
This Super.com deal was found by Cheapflights users on 9/22. 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.
Sat 10/179:45 am -
Nonstop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Porter Airlines logo]()
$196
This Air Canada deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:00 pm -
1 stop8h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Air Canada logo]()
$197
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Tue 10/66:30 am -
Nonstop5h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$198
This Cheapflightsfares deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:30 pm -
1 stop11h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![WestJet logo]()
$199
Find flight deals from Toronto to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $293 (Justfly.com) |
One-way from | $191 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $388 |
Good round-trip deal | $375 or less |
Good one-way deal | $255 or less |
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 7,457,451 searches. Data last updated September 25, 2026.
Use the filters below to find and compare flights from Toronto to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TorontoSan Francisco
YKF Toronto Region of Waterloo Intl - SFO San Francisco
YKFSFO
Toronto Region of Waterloo Intl
Wed 10/21
8:40 pm-9:55 pm
1 stop28h 15m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$194
TorontoSan Francisco
YYZ Toronto Pearson Intl - SFO San Francisco
YYZSFO
Toronto Pearson Intl
Sun 12/13
6:30 am-9:29 am
Nonstop5h 59m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$198
TorontoSan Francisco
YKF Toronto Region of Waterloo Intl - SFO San Francisco
YKFSFO
Toronto Region of Waterloo Intl
Mon 10/19
8:40 pm-12:00 pm
1 stop18h 20m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$199
TorontoSan Francisco
YYZ Toronto Pearson Intl - SFO San Francisco
YYZSFO
Toronto Pearson Intl
Sat 11/21
10:53 am-12:53 am
1 stop17h 00m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$203
TorontoSan Francisco
YYZ Toronto Pearson Intl - SFO San Francisco
YYZSFO
Toronto Pearson Intl
Mon 10/5
6:34 pm-11:57 pm
1 stop8h 23m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
TorontoSan Francisco
YYZ Toronto Pearson Intl - SFO San Francisco
YYZSFO
Toronto Pearson Intl
Tue 10/6
12:49 pm-5:15 pm
1 stop7h 26m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
TorontoSan Francisco
YYZ Toronto Pearson Intl - SFO San Francisco
YYZSFO
Toronto Pearson Intl
Fri 11/13
7:44 pm-1:29 am
1 stop8h 45m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
TorontoSan Francisco
YYZ Toronto Pearson Intl - SFO San Francisco
YYZSFO
Toronto Pearson Intl
Wed 11/4
8:35 am-3:12 pm
2 stops9h 37m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
TorontoSan Francisco
YYZ Toronto Pearson Intl - SFO San Francisco
YYZSFO
Toronto Pearson Intl
Thu 11/26
3:35 pm-7:30 am
2 stops18h 55m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$209
TorontoSan Francisco
YYZ Toronto Pearson Intl - SFO San Francisco
YYZSFO
Toronto Pearson Intl
Sat 11/7
6:30 am-9:29 am
Nonstop5h 59m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$210
Showing 1-10 of 58 resultsSorted by cheapest first
Compare providers for flights from Toronto to San Francisco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Toronto to San Francisco in 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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Toronto-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Toronto-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Toronto-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Toronto-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Toronto-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
YTO-SFO
YYZ-SFO
YKF-SFO
YTZ-SFO
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
YTO-SFO
YYZ-SFO
YKF-SFO
YTZ-SFO
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 $358). Flying from Toronto to San Francisco in August is currently the most expensive (average of $489). 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 September 25, 2026.
One of the essential ways to save on airfare from Toronto to San Francisco is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 54% on airfare.
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 September 25, 2026.
The most flights from YTO to SFO are scheduled on a Wednesday (25 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).
How much does it cost to fly round-trip from Toronto to San Francisco?
Airfare is below average for this route at the moment.
Toronto to San Francisco flights typically cost between $326 and $472 in October.The cheapest round-trip price found within the last 5 days was $293 on WestJet (Oct 17-Oct 24).
What’s the top layover airport for flights from Toronto to San Francisco?
Share of 1-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 50% of 1-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 $284.
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 Calgary (YYC) have the shortest average one-way travel time for 1-stop routes: 10h 05m.
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 Calgary (YYC) offer the fastest connection on this route, with an average layover time of 2h 10m.
How often are flights from Toronto to San Francisco delayed?
About 27% of weekly flights between Toronto and San Francisco have experienced delays in the past year, with the average delay time being 149 minutes.
What is the most punctual flight time for Toronto to San Francisco flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Toronto to San Francisco flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 19% of flights being delayed.
How far ahead should I book a flight from Toronto to San Francisco?
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 90 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 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 September 19, 2026.
Travelers seeking maximum savings on their Toronto to San Francisco flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Toronto to San Francisco 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 Toronto to San Francisco trip
Our travel experts
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 September 25, 2026.
Peruse reviews from past customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Toronto to San Francisco 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.
Crew
8.6
Entertainment
6.9
Boarding
8.2
Food
7.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Crew
8.6
Entertainment
6.9
Boarding
8.2
Food
7.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Crew
8.6
Entertainment
6.9
Boarding
8.2
Food
7.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Crew
8.6
Entertainment
6.9
Boarding
8.2
Food
7.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Crew
8.6
Entertainment
6.9
Boarding
8.2
Food
7.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Crew
8.6
Entertainment
6.9
Boarding
8.2
Food
7.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Related info for your journey
Find useful and relevant information for your journey from Toronto to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
Emeryville
Burlingame
Rancho Cordova
San Bruno
Roseville
Hayward
Cupertino
Newark
Fairfield
San Ramon
Redwood City
Manteca
Vallejo
San Carlos
Turlock
Davis
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Toronto and San Francisco flights
Browse other Toronto and San Francisco flight options. Last updated on September 25, 2026.
Other flights from Toronto
Browse through other flights departing from Toronto. Flights are based on user searches made on Cheapflights and were last updated on September 25, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 25, 2026.
Top 7 airlines flying from Toronto to San Francisco
Discover the top 7 airlines that operate flights from Toronto to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$230 | Average$459 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$233 | Average$302 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$261 | Average$421 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$313 | Average$478 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$314 | Average$502 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$324 | Average$453 | FlexibilityNo cancel fee | On-time50% |