$251+ Cheap flights from San Diego (SAN) to Niagara Falls, 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YYZ
Sep 13 — Sep 201
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Diego 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 Diego to Niagara Falls are usually found in March or May, booked 50 days in advance, depart on a Wednesday or Friday and return on a Thursday
Cheap flight deals from San Diego to Niagara Falls
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Diego to Niagara FallsExplore the most affordable flight options available from San Diego to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
Explore the most affordable flight options available from San Diego to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:25 am -
2 stops35h 50m
Fri 9/188:00 am -
1 stop9h 10m
Deal found 8/12![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:00 am -
2 stops12h 05m
Sat 9/198:00 am -
1 stop9h 10m
Deal found 8/14![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:04 pm -
2 stops27h 01m
Fri 9/188:00 am -
1 stop9h 10m
Deal found 8/12![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:25 am -
2 stops35h 50m
Sun 9/208:00 am -
1 stop9h 10m
Deal found 8/14![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:04 pm -
2 stops27h 01m
Sat 9/268:00 am -
1 stop9h 10m
Deal found 8/14![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/183:30 pm -
1 stop11h 15m
Mon 9/212:50 pm -
2 stops21h 53m
Deal found 8/13![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:00 am -
2 stops12h 05m
Wed 9/168:00 am -
1 stop9h 10m
Deal found 8/12![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/247:04 pm -
2 stops23h 11m
Sun 9/278:00 am -
1 stop9h 10m
Deal found 8/13![Multiple Airlines logo]()
$346
This Justfly.com deal was found by Cheapflights users on 8/13. 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 9/303:30 pm -
1 stop11h 15m
Sat 10/37:00 am -
1 stop10h 10m
Deal found 8/13![WestJet logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/113:30 pm -
1 stop11h 15m
Sat 9/197:00 am -
1 stop10h 10m
Deal found 8/14![WestJet logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/173:30 pm -
1 stop12h 25m
Sun 9/276:10 am -
2 stops11h 00m
Deal found 8/12![WestJet logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/173:30 pm -
1 stop12h 25m
Sat 9/268:00 am -
1 stop9h 10m
Deal found 8/12![WestJet logo]()
$355
Best flights from San Diego to Niagara FallsDiscover carefully curated flight deals from San Diego to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from San Diego to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This Delta deal was found by Cheapflights users on 8/10. 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 11/612:38 pm -
1 stop8h 21m
Sun 11/86:33 pm -
1 stop7h 51m
Deal found 8/10![Delta logo]()
$582
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:20 pm -
1 stop19h 45m
Sun 11/85:15 pm -
2 stops19h 42m
Deal found 8/10![Alaska Airlines logo]()
$592
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/99:20 pm -
1 stop8h 59m
Sat 10/101:00 pm -
2 stops10h 08m
Deal found 8/11![United Airlines logo]()
$697
This Delta deal was found by Cheapflights users on 8/9. 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 10/1510:00 pm -
1 stop7h 49m
Thu 10/226:15 am -
1 stop7h 58m
Deal found 8/9![Delta logo]()
$582
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:27 pm -
1 stop17h 18m
Tue 10/275:15 pm -
2 stops19h 41m
Deal found 8/11![Alaska Airlines logo]()
$603
This Delta deal was found by Cheapflights users on 8/9. 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 9/36:29 am -
1 stop7h 11m
Wed 9/96:15 am -
1 stop10h 03m
Deal found 8/9![Delta logo]()
$668
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:35 pm -
2 stops15h 00m
Fri 10/21:15 pm -
2 stops13h 29m
Deal found 8/11![Alaska Airlines logo]()
$715
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:29 am -
1 stop7h 11m
Mon 9/142:24 pm -
1 stop10h 42m
Deal found 8/12![Delta logo]()
$679
This Delta deal was found by Cheapflights users on 8/9. 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 9/36:29 am -
1 stop7h 11m
Fri 9/46:14 pm -
1 stop7h 02m
Deal found 8/9![Delta logo]()
$694
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:29 am -
1 stop9h 05m
Mon 9/76:10 am -
1 stop7h 10m
Deal found 8/9![Delta logo]()
$694
This Delta deal was found by Cheapflights users on 8/13. 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 8/256:15 am -
1 stop8h 04m
Mon 9/76:00 am -
1 stop9h 33m
Deal found 8/13![Delta logo]()
$710
Last-minute flights from San Diego to Niagara FallsDiscover last-minute flight deals from San Diego to Niagara Falls. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Niagara Falls. Data last updated August 14, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:25 am -
2 stops35h 50m
Fri 9/188:00 am -
1 stop9h 10m
Deal found 8/12![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:25 am -
2 stops35h 50m
Sun 9/208:00 am -
1 stop9h 10m
Deal found 8/14![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:00 am -
2 stops12h 05m
Sat 9/198:00 am -
1 stop9h 10m
Deal found 8/14![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:04 pm -
2 stops27h 01m
Fri 9/188:00 am -
1 stop9h 10m
Deal found 8/12![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:00 am -
2 stops12h 05m
Wed 9/168:00 am -
1 stop9h 10m
Deal found 8/12![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/113:30 pm -
1 stop11h 15m
Sat 9/197:00 am -
1 stop10h 10m
Deal found 8/14![WestJet logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:04 pm -
2 stops27h 01m
Sat 9/268:00 am -
1 stop9h 10m
Deal found 8/14![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/173:30 pm -
1 stop12h 25m
Sun 9/276:10 am -
2 stops11h 00m
Deal found 8/12![WestJet logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/173:30 pm -
1 stop12h 25m
Sat 9/268:00 am -
1 stop9h 10m
Deal found 8/12![WestJet logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/183:30 pm -
1 stop11h 15m
Mon 9/212:50 pm -
2 stops21h 53m
Deal found 8/13![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/247:04 pm -
2 stops23h 11m
Sun 9/278:00 am -
1 stop9h 10m
Deal found 8/13![Multiple Airlines logo]()
$346
This Justfly.com deal was found by Cheapflights users on 8/13. 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 9/303:30 pm -
1 stop11h 15m
Sat 10/37:00 am -
1 stop10h 10m
Deal found 8/13![WestJet logo]()
$348
One-way flights from San Diego to Niagara FallsSearch for one-way flight options from San Diego to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from San Diego to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:45 pm -
3 stops26h 40m
Deal found 8/13![Multiple Airlines logo]()
$251
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Mon 9/141:10 pm -
Nonstop5h 00m
Deal found 8/10![Air Canada logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/1012:37 pm -
3 stops25h 02m
Deal found 8/11![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:03 pm -
1 stop30h 36m
Deal found 8/13![Multiple Airlines logo]()
$254
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Thu 10/221:10 pm -
Nonstop5h 00m
Deal found 8/10![Air Canada logo]()
$255
This FlightHub deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:30 pm -
2 stops34h 40m
Deal found 8/10![WestJet logo]()
$256
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Wed 2/107:05 am -
1 stop8h 54m
Deal found 8/10![Air Canada logo]()
$258
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Wed 9/231:10 pm -
Nonstop5h 00m
Deal found 8/10![Air Canada logo]()
$259
This Delta deal was found by Cheapflights users on 8/10. 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 10/226:15 am -
1 stop8h 04m
Deal found 8/10![Delta logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:25 am -
2 stops35h 25m
Deal found 8/12![Multiple Airlines logo]()
$263
Find flight deals from San Diego to Niagara Falls
Keep the following information in mind while searching for San Diego to Niagara Falls flight deals. Data was last updated August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $336 (Kiwi.com) |
One-way from | $251 (Kiwi.com) |
Popular in | August |
Cheapest in | March |
Average price | $676 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego 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 August 14, 2026.
Use the filters below to find and compare flights from San Diego to Niagara Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Fri 11/6
12:38 pm-11:59 pm
1 stop8h 21m
Toronto Pearson Intl
Sun 11/8
6:33 pm-11:24 pm
1 stop7h 51m
$582
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Thu 10/15
10:00 pm-8:49 am
1 stop7h 49m
Toronto Pearson Intl
Thu 10/22
6:15 am-11:13 am
1 stop7h 58m
$582
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Fri 11/6
5:20 pm-4:05 pm
1 stop19h 45m
Toronto Pearson Intl
Sun 11/8
5:15 pm-9:57 am
2 stops19h 42m
$592
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Fri 10/23
7:27 pm-3:45 pm
1 stop17h 18m
Toronto Pearson Intl
Tue 10/27
5:15 pm-9:56 am
2 stops19h 41m
$603
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Thu 9/3
6:29 am-4:40 pm
1 stop7h 11m
Toronto Pearson Intl
Wed 9/9
6:15 am-1:18 pm
1 stop10h 03m
$668
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Mon 9/7
6:29 am-4:40 pm
1 stop7h 11m
Toronto Pearson Intl
Mon 9/14
2:24 pm-10:06 pm
1 stop10h 42m
$679
Quickest round-trip
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Thu 9/3
6:29 am-4:40 pm
1 stop7h 11m
Toronto Pearson Intl
Fri 9/4
6:14 pm-10:16 pm
1 stop7h 02m
$694
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Tue 9/1
6:29 am-6:34 pm
1 stop9h 05m
Toronto Pearson Intl
Mon 9/7
6:10 am-10:20 am
1 stop7h 10m
$694
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Fri 10/9
9:20 pm-9:19 am
1 stop8h 59m
Toronto Pearson Intl
Sat 10/10
1:00 pm-8:08 pm
2 stops10h 08m
$697
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Tue 8/25
6:15 am-5:19 pm
1 stop8h 04m
Toronto Pearson Intl
Mon 9/7
6:00 am-12:33 pm
1 stop9h 33m
$710
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from San Diego to Niagara Falls
Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from San Diego with our price prediction graph.
SAN-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 Diego to Niagara Falls
SAN-NI4
SAN-YYZ
What is the cheapest time of day to fly from SAN to NI4?
Find hourly flight availability from San Diego 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 August 14, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Niagara Falls as you normally would.
How much does it cost to fly round-trip from San Diego to Niagara Falls?
Airfare is below average for this route at the moment.
San Diego to Niagara Falls flights typically cost between $588 and $807 in September.The cheapest round-trip price found within the last 5 days was $336 on Multiple Airlines (Sep 8-Sep 18).
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 August 14, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from San Diego to Niagara Falls 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.
Food
7.2
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Diego to Niagara Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Diego
Popular flights
Top destinations
Alternative routes for San Diego 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 Diego to Niagara Falls by cabin class
Find flights from San Diego to Niagara Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Niagara Falls flights
Browse other San Diego and Niagara Falls flight options. Last updated on August 14, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Diego to Niagara Falls flights
Consider these flights traveling from San Diego to Niagara Falls.
Top 4 airlines flying from San Diego to Niagara Falls
Discover the top 4 airlines that operate flights from San Diego 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 August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$212 | Average$523 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$274 | Average$550 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$320 | Average$632 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$418 | Average$599 | FlexibilityNo cancel fee | On-time71% |