$163+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YYZ
Jun 2 — Jun 91
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 66 days in advance, depart on a Tuesday or Wednesday and return on a Thursday
Cheap flight deals from San Francisco to Niagara Falls
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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 May 3, 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 May 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Thu 8/201:00 pm
SFO
- YYZ
1 stop8h 10m
WestJet
Thu 8/273:50 pm
YYZ
- SFO
1 stop9h 05m
WestJet
Deal found 4/29![WestJet logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/276:00 am
SFO
- YYZ
2 stops10h 55m
WestJet
Wed 6/39:00 am
YYZ
- SFO
1 stop10h 40m
WestJet
Deal found 4/28![WestJet logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Tue 7/76:00 am
SFO
- YYZ
2 stops10h 55m
WestJet
Tue 7/216:15 am
YYZ
- SFO
1 stop8h 45m
WestJet
Deal found 4/29![WestJet logo]()
$294
This Trip.com deal was found by Cheapflights users on 4/28. 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.
Mon 7/206:00 am
SFO
- YYZ
2 stops12h 10m
WestJet
Tue 7/286:10 am
YYZ
- SFO
2 stops13h 30m
WestJet
Deal found 4/28![WestJet logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Thu 6/116:05 pm
SFO
- YYZ
1 stop9h 50m
WestJet
Wed 6/176:15 am
YYZ
- SFO
1 stop8h 45m
WestJet
Deal found 4/29![WestJet logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 7/96:00 am
SFO
- YYZ
2 stops10h 55m
WestJet
Thu 7/233:50 pm
YYZ
- SFO
1 stop9h 05m
WestJet
Deal found 5/2![WestJet logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 7/226:00 am
SFO
- YYZ
2 stops10h 55m
WestJet
Tue 7/283:50 pm
YYZ
- SFO
1 stop9h 05m
WestJet
Deal found 5/1![WestJet logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 7/66:05 pm
SFO
- YYZ
1 stop9h 50m
WestJet
Tue 7/143:50 pm
YYZ
- SFO
1 stop9h 05m
WestJet
Deal found 5/1![WestJet logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 7/136:00 am
SFO
- YYZ
1 stop9h 55m
WestJet
Mon 7/276:15 am
YYZ
- SFO
1 stop8h 45m
WestJet
Deal found 5/2![WestJet logo]()
$300
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:05 pm
SFO
- YYZ
1 stop9h 50m
WestJet
Mon 9/76:15 am
YYZ
- SFO
1 stop8h 45m
WestJet
Deal found 4/30![WestJet logo]()
$301
This Justfly.com deal was found by Cheapflights users on 4/29. 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 7/146:00 am
SFO
- YYZ
2 stops10h 55m
WestJet
Mon 7/203:50 pm
YYZ
- SFO
1 stop9h 05m
WestJet
Deal found 4/29![WestJet logo]()
$302
This WestJet deal was found by Cheapflights users on 4/30. 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
SFO
- YYZ
2 stops10h 55m
WestJet
Wed 9/309:00 am
YYZ
- SFO
1 stop10h 40m
WestJet
Deal found 4/30![WestJet logo]()
$303
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 May 3, 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 May 3, 2026.
This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 6/59:55 pm
SFO
- YYZ
1 stop11h 24m
Delta
Tue 6/165:45 pm
YYZ
- SFO
1 stop9h 13m
Delta
Deal found 4/29![Delta logo]()
$379
This Porter Airlines deal was found by Cheapflights users on 4/28. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:20 pm
SFO
- YYZ
Nonstop5h 05m
Porter Airlines
Sat 8/299:45 am
YYZ
- SFO
Nonstop5h 35m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/2512:50 am
SFO
- YYZ
1 stop9h 52m
United Airlines
Fri 5/295:16 pm
YYZ
- SFO
Nonstop5h 39m
United Airlines
Deal found 5/1![United Airlines logo]()
$495
This Delta deal was found by Cheapflights users on 5/2. 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 5/3112:15 am
SFO
- YYZ
1 stop8h 21m
Delta
Mon 6/85:45 pm
YYZ
- SFO
1 stop9h 13m
Delta
Deal found 5/2![Delta logo]()
$406
This Delta deal was found by Cheapflights users on 5/2. 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 5/238:25 am
SFO
- YYZ
1 stop12h 33m
Delta
Sat 5/306:10 am
YYZ
- SFO
1 stop7h 36m
Delta
Deal found 5/2![Delta logo]()
$438
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:15 am
SFO
- YYZ
1 stop12h 17m
United Airlines
Mon 6/16:30 am
YYZ
- SFO
Nonstop5h 39m
United Airlines
Deal found 4/29![United Airlines logo]()
$520
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:40 am
SFO
- YYZ
1 stop6h 39m
Delta
Sun 6/141:40 pm
YYZ
- SFO
1 stop12h 09m
Delta
Deal found 4/30![Delta logo]()
$443
This United Airlines deal was found by Cheapflights users on 5/2. 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 6/2210:47 pm
SFO
- YYZ
Nonstop5h 13m
United Airlines
Sat 6/276:30 am
YYZ
- SFO
Nonstop5h 39m
United Airlines
Deal found 5/2![United Airlines logo]()
$536
This Delta deal was found by Cheapflights users on 4/29. 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 6/215:50 am
SFO
- YYZ
1 stop7h 45m
Delta
Tue 7/76:10 am
YYZ
- SFO
1 stop7h 17m
Delta
Deal found 4/29![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 4/29. 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.
Wed 5/208:25 am
SFO
- YYZ
1 stop12h 33m
Delta
Tue 5/266:30 am
YYZ
- SFO
1 stop7h 47m
Delta
Deal found 4/29![Delta logo]()
$468
This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 6/1210:55 pm
SFO
- YYZ
1 stop11h 39m
Delta
Sun 6/141:40 pm
YYZ
- SFO
1 stop12h 09m
Delta
Deal found 4/29![Delta logo]()
$493
This Delta deal was found by Cheapflights users on 5/2. 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.
Thu 5/216:00 am
SFO
- YYZ
1 stop12h 55m
Delta
Fri 5/292:20 pm
YYZ
- SFO
1 stop11h 01m
Delta
Deal found 5/2![Delta logo]()
$508
Last-minute flights from San Francisco to Niagara FallsDiscover last-minute flight deals from San Francisco to Niagara Falls. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Niagara Falls. Data last updated May 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Tue 5/121:00 pm
SFO
- YYZ
2 stops13h 10m
WestJet
Tue 5/196:15 am
YYZ
- SFO
1 stop8h 45m
WestJet
Deal found 4/28![WestJet logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Tue 5/121:00 pm
SFO
- YYZ
1 stop8h 10m
WestJet
Sat 5/1612:40 pm
YYZ
- SFO
2 stops12h 15m
WestJet
Deal found 4/28![WestJet logo]()
$325
This Vliegwinkel deal was found by Cheapflights users on 5/2. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:35 pm
SFO
- YYZ
Nonstop5h 07m
Multiple Airlines
Tue 6/29:45 am
YYZ
- SFO
Nonstop5h 35m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$301
This Flightnetwork deal was found by Cheapflights users on 5/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:35 pm
SFO
- YYZ
Nonstop5h 07m
Air Canada
Tue 6/23:00 pm
YYZ
- SFO
1 stop9h 02m
Air Canada
Deal found 5/2![Air Canada logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Tue 5/268:44 pm
SFO
- YYZ
2 stops30h 01m
Multiple Airlines
Tue 6/26:15 am
YYZ
- SFO
1 stop8h 45m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/276:00 am
SFO
- YYZ
2 stops10h 55m
WestJet
Wed 6/39:00 am
YYZ
- SFO
1 stop10h 40m
WestJet
Deal found 4/28![WestJet logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/2711:36 am
SFO
- YYZ
2 stops15h 09m
Multiple Airlines
Wed 6/39:00 am
YYZ
- SFO
1 stop10h 40m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$328
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 May 3, 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 May 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Mon 6/16:05 pm
SFO
- YYZ
2 stops22h 50m
WestJet
Deal found 4/28![WestJet logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Mon 6/810:50 pm
SFO
- YYZ
2 stops23h 15m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$164
This Super.com deal was found by Cheapflights users on 4/30. 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.
Thu 7/96:00 am
SFO
- YYZ
1 stop16h 05m
WestJet
Deal found 4/30![WestJet logo]()
$165
This Super.com deal was found by Cheapflights users on 4/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:05 pm
SFO
- YYZ
2 stops24h 05m
WestJet
Deal found 4/29![WestJet logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Mon 6/110:58 pm
SFO
- YYZ
2 stops33h 57m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$168
This TeaFlight deal was found by Cheapflights users on 5/2. 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 TeaFlight is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:45 am
SFO
- YYZ
Nonstop5h 00m
Air Canada
Deal found 5/2![Air Canada logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 6/103:26 pm
SFO
- YYZ
2 stops36h 29m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 7/77:11 pm
SFO
- YYZ
2 stops26h 54m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$171
This Trip.com deal was found by Cheapflights users on 5/1. 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.
Sat 7/186:05 pm
SFO
- YYZ
1 stop27h 05m
WestJet
Deal found 5/1![WestJet logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:11 pm
SFO
- YYZ
3 stops25h 48m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$173
This Mytrip deal was found by Cheapflights users on 5/2. 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 7/76:00 am
SFO
- YYZ
1 stop27h 55m
WestJet
Deal found 5/2![WestJet logo]()
$174
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 May 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $292 (Kiwi.com) |
One-way from | $163 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $457 |
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 May 3, 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
Fri 6/5
9:55 pm-12:19 pm
1 stop11h 24m
Toronto Pearson Intl
Tue 6/16
5:45 pm-11:58 pm
1 stop9h 13m
$379
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Sun 5/31
12:15 am-11:36 am
1 stop8h 21m
Toronto Pearson Intl
Mon 6/8
5:45 pm-11:58 pm
1 stop9h 13m
$406
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Sat 5/23
8:25 am-11:58 pm
1 stop12h 33m
Toronto Pearson Intl
Sat 5/30
6:10 am-10:46 am
1 stop7h 36m
$438
Quickest round-trip
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Tue 8/25
1:20 pm-9:25 pm
Nonstop5h 05m
Toronto Pearson Intl
Sat 8/29
9:45 am-12:20 pm
Nonstop5h 35m
$439
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Wed 6/10
5:40 am-3:19 pm
1 stop6h 39m
Toronto Pearson Intl
Sun 6/14
1:40 pm-10:49 pm
1 stop12h 09m
$443
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Sun 6/21
5:50 am-4:35 pm
1 stop7h 45m
Toronto Pearson Intl
Tue 7/7
6:10 am-10:27 am
1 stop7h 17m
$449
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Wed 5/20
8:25 am-11:58 pm
1 stop12h 33m
Toronto Pearson Intl
Tue 5/26
6:30 am-11:17 am
1 stop7h 47m
$468
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Fri 6/12
10:55 pm-1:34 pm
1 stop11h 39m
Toronto Pearson Intl
Sun 6/14
1:40 pm-10:49 pm
1 stop12h 09m
$493
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Mon 5/25
12:50 am-1:42 pm
1 stop9h 52m
Toronto Pearson Intl
Fri 5/29
5:16 pm-7:55 pm
Nonstop5h 39m
$495
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Thu 5/21
6:00 am-9:55 pm
1 stop12h 55m
Toronto Pearson Intl
Fri 5/29
2:20 pm-10:21 pm
1 stop11h 01m
$508
Showing 1-10 of 22 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
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 May 3, 2026.
It’s typically best to fly out from San Francisco to Niagara Falls at noon. Doing so could potentially save you 30% 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 April 25, 2026.
Travelers seeking maximum savings on their San Francisco to Niagara Falls flight should consider departing on Wednesday 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 May 3, 2026.
The most flights from SFO to NI4 are scheduled on a Monday (22 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 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 May 3, 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.
Overall
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Entertainment
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Entertainment
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Entertainment
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Entertainment
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Entertainment
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Entertainment
7.0
Comfort
8.0
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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Alternative routes for San Francisco to Niagara Falls
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Niagara Falls by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Niagara Falls by cabin class
Find flights from San Francisco to Niagara Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Niagara Falls flights
Browse other San Francisco and Niagara Falls flight options. Last updated on May 3, 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 May 3, 2026.
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San Francisco to Niagara Falls flights
Consider these flights traveling from San Francisco to Niagara Falls.
Top 8 airlines flying from San Francisco to Niagara Falls
Discover the top 8 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 May 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$313 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$160 | Average$512 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$161 | Average$388 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$185 | Average$451 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$196 | Average$506 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$338 | Average$404 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$361 | Average$588 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$416 | Average$568 | FlexibilityNo cancel fee | On-time71% |