$152+ Cheap flights from San Francisco (SFO) to Niagara Falls, ON, Canada
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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YYZ
Apr 21 — Apr 281
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Niagara Falls 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 Niagara Falls are usually found in February or January, booked 82 days in advance, depart on a Tuesday or Wednesday and return on a Thursday
Cheap flight deals from San Francisco to Niagara Falls
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to Niagara FallsExplore the most affordable flight options available from San Francisco to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.
Explore the most affordable flight options available from San Francisco to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Fri 5/11:00 pm
SFO
- YYZ
2 stops13h 10m
WestJet
Wed 5/66:15 am
YYZ
- SFO
1 stop8h 45m
WestJet
Deal found 3/18![WestJet logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Mon 5/46:00 am
SFO
- YYZ
2 stops10h 55m
WestJet
Mon 5/116:15 am
YYZ
- SFO
1 stop8h 45m
WestJet
Deal found 3/18![WestJet logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Fri 5/11:00 pm
SFO
- YYZ
1 stop8h 10m
WestJet
Sun 5/1712:40 pm
YYZ
- SFO
2 stops12h 15m
WestJet
Deal found 3/18![WestJet logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Fri 5/16:00 am
SFO
- YYZ
2 stops10h 55m
WestJet
Thu 5/73:50 pm
YYZ
- SFO
1 stop9h 05m
WestJet
Deal found 3/18![WestJet logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Fri 5/11:00 pm
SFO
- YYZ
1 stop8h 10m
WestJet
Mon 5/116:15 am
YYZ
- SFO
1 stop8h 45m
WestJet
Deal found 3/18![WestJet logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 6/176:05 pm
SFO
- YYZ
1 stop9h 50m
WestJet
Wed 6/2412:40 pm
YYZ
- SFO
2 stops12h 15m
WestJet
Deal found 3/19![WestJet logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 5/71:00 pm
SFO
- YYZ
1 stop8h 10m
WestJet
Sat 5/96:15 am
YYZ
- SFO
1 stop8h 45m
WestJet
Deal found 3/18![WestJet logo]()
$277
This Trip.com deal was found by Cheapflights users on 3/17. 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 5/61:00 pm
SFO
- YYZ
2 stops13h 10m
WestJet
Sun 5/1012:40 pm
YYZ
- SFO
2 stops12h 15m
WestJet
Deal found 3/17![WestJet logo]()
$282
This FlightHub deal was found by Cheapflights users on 3/17. 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 5/61:00 pm
SFO
- YYZ
2 stops13h 10m
WestJet
Mon 5/1112:40 pm
YYZ
- SFO
2 stops12h 15m
WestJet
Deal found 3/17![WestJet logo]()
$284
Best flights from San Francisco to Niagara FallsDiscover carefully curated flight deals from San Francisco to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 22, 2026.
Discover carefully curated flight deals from San Francisco to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 22, 2026.
This United Airlines deal was found by Cheapflights users on 3/17. 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 4/1411:55 pm
SFO
- YYZ
1 stop10h 52m
United Airlines
Wed 4/155:16 pm
YYZ
- SFO
Nonstop5h 53m
United Airlines
Deal found 3/17![United Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 3/17. 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.
Wed 4/16:20 am
SFO
- YYZ
1 stop6h 39m
Delta
Sun 4/56:20 am
YYZ
- SFO
1 stop11h 22m
Delta
Deal found 3/17![Delta logo]()
$460
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/125:00 am
SFO
- YYZ
1 stop7h 14m
United Airlines
Sat 4/185:16 pm
YYZ
- SFO
Nonstop5h 53m
United Airlines
Deal found 3/19![United Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 3/18. 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 5/212:59 pm
SFO
- YYZ
2 stops16h 57m
Delta
Tue 5/126:30 am
YYZ
- SFO
2 stops15h 50m
Delta
Deal found 3/18![Delta logo]()
$478
This United Airlines deal was found by Cheapflights users on 3/21. 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.
Wed 5/1311:10 pm
SFO
- YYZ
1 stop7h 44m
United Airlines
Sun 5/176:30 am
YYZ
- SFO
Nonstop5h 53m
United Airlines
Deal found 3/21![United Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 3/21. 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.
Sun 4/198:04 am
SFO
- YYZ
Nonstop5h 10m
United Airlines
Wed 4/228:50 am
YYZ
- SFO
2 stops15h 44m
United Airlines
Deal found 3/21![United Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 3/18. 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 6/1610:45 pm
SFO
- YYZ
1 stop11h 40m
Delta
Mon 6/225:50 pm
YYZ
- SFO
1 stop9h 02m
Delta
Deal found 3/18![Delta logo]()
$495
This United Airlines deal was found by Cheapflights users on 3/17. 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 4/211:05 pm
SFO
- YYZ
1 stop9h 38m
United Airlines
Tue 4/77:00 am
YYZ
- SFO
1 stop8h 03m
United Airlines
Deal found 3/17![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 3/19. 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 5/310:42 pm
SFO
- YYZ
Nonstop5h 18m
United Airlines
Sun 5/106:30 am
YYZ
- SFO
Nonstop5h 53m
United Airlines
Deal found 3/19![United Airlines logo]()
$503
Last-minute flights from San Francisco to Niagara FallsDiscover last-minute flight deals from San Francisco to Niagara Falls. Data last updated March 22, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Niagara Falls. Data last updated March 22, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/810:14 pm
SFO
- YYZ
1 stop29h 46m
Multiple Airlines
Tue 4/149:50 am
YYZ
- SFO
Nonstop5h 55m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/810:14 pm
SFO
- YYZ
1 stop29h 46m
Multiple Airlines
Wed 4/159:50 am
YYZ
- SFO
Nonstop5h 55m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Mon 4/131:45 pm
SFO
- YYZ
Nonstop4h 57m
Porter Airlines
Wed 5/69:45 am
YYZ
- SFO
Nonstop5h 35m
Porter Airlines
Deal found 3/19![Porter Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Mon 4/131:45 pm
SFO
- YYZ
Nonstop4h 57m
Multiple Airlines
Sun 5/36:15 am
YYZ
- SFO
1 stop8h 45m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$296
This FlightHub deal was found by Cheapflights users on 3/17. 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 4/141:45 pm
SFO
- YYZ
Nonstop4h 57m
Porter Airlines
Tue 4/219:50 am
YYZ
- SFO
Nonstop5h 55m
Porter Airlines
Deal found 3/17![Porter Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/151:45 pm
SFO
- YYZ
Nonstop4h 57m
Multiple Airlines
Sat 5/96:15 am
YYZ
- SFO
1 stop8h 45m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$297
This Trip.com deal was found by Cheapflights users on 3/18. 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 4/201:45 pm
SFO
- YYZ
Nonstop4h 57m
Multiple Airlines
Sun 5/1012:40 pm
YYZ
- SFO
2 stops12h 15m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$292
This FlightHub deal was found by Cheapflights users on 3/19. 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 4/211:45 pm
SFO
- YYZ
Nonstop4h 57m
Multiple Airlines
Mon 4/2712:40 pm
YYZ
- SFO
2 stops12h 15m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/231:45 pm
SFO
- YYZ
Nonstop4h 57m
Multiple Airlines
Sat 5/96:15 am
YYZ
- SFO
1 stop8h 45m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/231:45 pm
SFO
- YYZ
Nonstop4h 57m
Porter Airlines
Wed 5/69:45 am
YYZ
- SFO
Nonstop5h 35m
Porter Airlines
Deal found 3/19![Porter Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/291:45 pm
SFO
- YYZ
Nonstop4h 57m
Multiple Airlines
Mon 5/46:15 am
YYZ
- SFO
1 stop8h 45m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$287
One-way flights from San Francisco to Niagara FallsSearch for one-way flight options from San Francisco to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated March 22, 2026.
Search for one-way flight options from San Francisco to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated March 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/152:47 pm
SFO
- YYZ
2 stops25h 49m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/142:47 pm
SFO
- YYZ
2 stops12h 26m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Mon 4/208:35 pm
SFO
- YYZ
2 stops30h 38m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$154
This Expedia deal was found by Cheapflights users on 3/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:00 am
SFO
- YYZ
2 stops10h 55m
WestJet
Deal found 3/19![WestJet logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:50 pm
SFO
- YYZ
1 stop28h 49m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 5/196:00 am
SFO
- YYZ
1 stop12h 15m
WestJet
Deal found 3/19![WestJet logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:14 pm
SFO
- YYZ
1 stop29h 46m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:03 pm
SFO
- YYZ
3 stops19h 07m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$161
This Trip.com deal was found by Cheapflights users on 3/18. 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 4/191:45 pm
SFO
- YYZ
Nonstop4h 57m
Porter Airlines
Deal found 3/18![Porter Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Thu 5/2810:40 pm
SFO
- YYZ
1 stop22h 14m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:50 pm
SFO
- YYZ
1 stop28h 49m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$166
Find flight deals from San Francisco to Niagara Falls
Keep the following information in mind while searching for San Francisco to Niagara Falls flight deals. Data was last updated March 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $269 (Kiwi.com) |
One-way from | $152 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $424 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Niagara Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 22, 2026.
Use the filters below to find and compare flights from San Francisco to Niagara Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Tue 4/14
11:55 pm-1:47 pm
1 stop10h 52m
Toronto Pearson Intl
Wed 4/15
5:16 pm-8:09 pm
Nonstop5h 53m
$427
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Sun 4/12
5:00 am-3:14 pm
1 stop7h 14m
Toronto Pearson Intl
Sat 4/18
5:16 pm-8:09 pm
Nonstop5h 53m
$445
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Wed 5/13
11:10 pm-9:54 am
1 stop7h 44m
Toronto Pearson Intl
Sun 5/17
6:30 am-9:23 am
Nonstop5h 53m
$445
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Sun 4/19
8:04 am-4:14 pm
Nonstop5h 10m
Toronto Pearson Intl
Wed 4/22
8:50 am-9:34 pm
2 stops15h 44m
$446
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Thu 4/2
11:05 pm-11:43 am
1 stop9h 38m
Toronto Pearson Intl
Tue 4/7
7:00 am-12:03 pm
1 stop8h 03m
$457
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Wed 4/1
6:20 am-3:59 pm
1 stop6h 39m
Toronto Pearson Intl
Sun 4/5
6:20 am-2:42 pm
1 stop11h 22m
$460
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Sat 5/2
12:59 pm-8:56 am
2 stops16h 57m
Toronto Pearson Intl
Tue 5/12
6:30 am-7:20 pm
2 stops15h 50m
$478
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Tue 6/16
10:45 pm-1:25 pm
1 stop11h 40m
Toronto Pearson Intl
Mon 6/22
5:50 pm-11:52 pm
1 stop9h 02m
$495
Quickest round-trip
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Sun 5/3
10:42 pm-7:00 am
Nonstop5h 18m
Toronto Pearson Intl
Sun 5/10
6:30 am-9:23 am
Nonstop5h 53m
$503
Cheapest one-way
Quickest one-way
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Wed 5/27
8:10 am-4:14 pm
Nonstop5h 04m
$191
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from San Francisco to Niagara Falls
Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from San Francisco with our price prediction graph.
SFO-YYZ
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 Niagara Falls
SFO-NI4
SFO-YYZ
How far ahead should I book a flight from San Francisco to Niagara Falls?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Niagara Falls. Price data was last updated on March 13, 2026.
To ensure you get the cheapest price possible for a flight from San Francisco to Niagara Falls, you should look to book at least 82 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Francisco to Niagara Falls?
Currently, February is the cheapest month in which you can book a flight from San Francisco to Niagara Falls (average of $126). Flying from San Francisco to Niagara Falls in January is currently the most expensive (average of $221). 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 NI4?
Find hourly flight availability from San Francisco to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 22, 2026.
It’s typically best to fly out from San Francisco to Niagara Falls at noon. Doing so could potentially save you 34% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from San Francisco to Niagara Falls?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Niagara Falls. Price data was last updated on March 14, 2026.
Travelers seeking maximum savings on their San Francisco to Niagara Falls flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from San Francisco to Niagara Falls
Explore weekly flight availability from San Francisco to Niagara Falls. 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 March 22, 2026.
The most flights from SFO to NI4 are scheduled on a Tuesday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).
How much does it cost to fly round-trip from San Francisco to Niagara Falls?
Reviews of airlines servicing Niagara Falls
Get insights into the airlines that provide service to Niagara Falls. 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 Niagara Falls. Reviews last updated March 22, 2026.
Read reviews from past customers who have flown Porter Airlines,Air Transat, andUnited Airlines from San Francisco to Niagara Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.6
Overall
8.0
Entertainment
7.0
Comfort
8.0
Crew
8.6
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Food
7.6
Overall
8.0
Entertainment
7.0
Comfort
8.0
Crew
8.6
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Food
7.6
Overall
8.0
Entertainment
7.0
Comfort
8.0
Crew
8.6
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Food
7.6
Overall
8.0
Entertainment
7.0
Comfort
8.0
Crew
8.6
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Food
7.6
Overall
8.0
Entertainment
7.0
Comfort
8.0
Crew
8.6
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Food
7.6
Overall
8.0
Entertainment
7.0
Comfort
8.0
Crew
8.6
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Niagara Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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San Francisco and Niagara Falls flights
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Top 7 airlines flying from San Francisco to Niagara Falls
Discover the top 7 airlines that operate flights from San Francisco to Niagara Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$142 | Average$302 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$161 | Average$378 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$185 | Average$442 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$189 | Average$477 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$189 | Average$446 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$356 | Average$589 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$416 | Average$568 | FlexibilityNo cancel fee | On-time71% |