$97+ Cheap flights from San Diego (SAN) 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YYZ
Feb 28 — Mar 71
1 adult, Economy
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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 February or April, booked 50 days in advance, depart on a Friday or Wednesday and return on a Friday
Cheap flight deals from San Diego to Niagara Falls
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 January 29, 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 January 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/232:05 pm
SAN
- YYZ
1 stop13h 38m
Multiple Airlines
Fri 3/68:00 pm
YYZ
- SAN
1 stop20h 13m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/232:05 pm
SAN
- YYZ
1 stop13h 38m
Multiple Airlines
Thu 3/58:35 pm
YYZ
- SAN
1 stop22h 38m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:38 pm
SAN
- YYZ
2 stops12h 35m
Multiple Airlines
Fri 3/68:00 pm
YYZ
- SAN
1 stop20h 13m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:38 pm
SAN
- YYZ
2 stops12h 35m
Multiple Airlines
Thu 3/58:35 pm
YYZ
- SAN
1 stop22h 38m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/232:05 pm
SAN
- YYZ
1 stop13h 38m
Multiple Airlines
Fri 2/278:00 pm
YYZ
- SAN
2 stops26h 53m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/232:05 pm
SAN
- YYZ
1 stop13h 38m
Multiple Airlines
Tue 3/37:15 am
YYZ
- SAN
2 stops17h 26m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 4/287:55 am
SAN
- YYZ
1 stop9h 05m
Multiple Airlines
Mon 5/49:45 am
YYZ
- SAN
1 stop10h 55m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 2/278:18 pm
SAN
- YYZ
1 stop7h 25m
Multiple Airlines
Wed 3/1810:50 pm
YYZ
- SAN
2 stops21h 48m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 4/279:07 pm
SAN
- YYZ
1 stop19h 53m
Multiple Airlines
Sat 5/29:30 am
YYZ
- SAN
1 stop7h 55m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 2/262:38 pm
SAN
- YYZ
1 stop13h 05m
Multiple Airlines
Sun 3/810:05 am
YYZ
- SAN
2 stops17h 11m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$300
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 January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $245 (Kiwi.com) |
One-way from | $97 (Trip.com) |
Popular in | December |
Cheapest in | February |
Average price | $530 |
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 January 29, 2026.
Use the filters below to find and compare flights from San Diego to Niagara Falls that are best for you.
Fly from
San Diego
Fly to
Niagara Falls
Route
Depart
Return
Price
San DiegoToronto
SAN - YYZ
SANYYZ
San Diego
Tue 2/24
3:07 pm-6:13 am
2 stops12h 06m
Toronto Pearson Intl
Sun 3/1
8:00 pm-1:05 pm
1 stop20h 05m
$346
San DiegoToronto
SAN - YYZ
SANYYZ
San Diego
Tue 3/10
10:15 am-3:35 pm
2 stops26h 20m
Toronto Pearson Intl
Mon 3/16
4:45 pm-9:51 am
2 stops20h 06m
$431
San DiegoToronto
SAN - YYZ
SANYYZ
San Diego
Wed 2/18
10:19 am-3:35 pm
2 stops26h 16m
Toronto Pearson Intl
Wed 3/11
4:45 pm-7:50 am
2 stops18h 05m
$439
San DiegoToronto
SAN - YYZ
SANYYZ
San Diego
Tue 3/17
9:00 pm-3:35 pm
2 stops15h 35m
Toronto Pearson Intl
Mon 3/23
4:45 pm-8:15 am
2 stops18h 30m
$440
San DiegoToronto
SAN - YYZ
SANYYZ
San Diego
Thu 4/23
7:24 pm-3:45 pm
2 stops17h 21m
Toronto Pearson Intl
Wed 4/29
4:55 pm-9:10 am
2 stops19h 15m
$460
San DiegoToronto
SAN - YYZ
SANYYZ
San Diego
Fri 2/27
7:26 pm-3:35 pm
1 stop17h 09m
Toronto Pearson Intl
Wed 3/4
4:45 pm-11:03 pm
1 stop9h 18m
$463
San DiegoToronto
SAN - YYZ
SANYYZ
San Diego
Fri 2/27
8:26 pm-3:35 pm
1 stop16h 09m
Toronto Pearson Intl
Sat 3/7
4:45 pm-11:44 pm
1 stop9h 59m
$464
San DiegoToronto
SAN - YYZ
SANYYZ
San Diego
Tue 3/3
7:26 pm-3:35 pm
1 stop17h 09m
Toronto Pearson Intl
Tue 3/17
4:45 pm-11:03 pm
1 stop9h 18m
$464
San DiegoToronto
SAN - YYZ
SANYYZ
San Diego
Wed 5/6
2:50 pm-3:45 pm
2 stops21h 55m
Toronto Pearson Intl
Wed 5/13
4:55 pm-8:58 am
2 stops19h 03m
$469
San DiegoToronto
SAN - YYZ
SANYYZ
San Diego
Thu 3/5
2:16 pm-3:35 pm
2 stops22h 19m
Toronto Pearson Intl
Sun 3/8
4:45 pm-9:55 am
2 stops20h 10m
$471
Showing 1-10 of 20 results
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.
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
How far ahead should I book a flight from San Diego to Niagara Falls?
Use this chart to determine the optimal time to book a round-trip flight from San Diego to Niagara Falls. Price data was last updated on January 23, 2026.
Booking 50 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Niagara Falls. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Diego to Niagara Falls?
Currently, June is the cheapest month in which you can book a flight from San Diego to Niagara Falls (average of $74). Flying from San Diego to Niagara Falls in September is currently the most expensive (average of $253). 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 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 January 29, 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.
Weekly flight availability from San Diego to Niagara Falls
Explore weekly flight availability from San Diego 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 January 29, 2026.
The most flights from SAN to NI4 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
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 January 29, 2026.
Peruse reviews from past customers who have flown with Porter Airlines, Delta, and United 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
7.5
Boarding
8.2
Comfort
7.9
Crew
8.6
Entertainment
6.9
Overall
7.9
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Food
7.5
Boarding
8.2
Comfort
7.9
Crew
8.6
Entertainment
6.9
Overall
7.9
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Food
7.5
Boarding
8.2
Comfort
7.9
Crew
8.6
Entertainment
6.9
Overall
7.9
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Food
7.5
Boarding
8.2
Comfort
7.9
Crew
8.6
Entertainment
6.9
Overall
7.9
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Food
7.5
Boarding
8.2
Comfort
7.9
Crew
8.6
Entertainment
6.9
Overall
7.9
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Food
7.5
Boarding
8.2
Comfort
7.9
Crew
8.6
Entertainment
6.9
Overall
7.9
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
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.
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Alternative routes for San Diego to Niagara Falls
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from San Diego to Niagara Falls
Discover the top 6 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 January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$279 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$132 | Average$407 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$140 | Average$393 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$146 | Average$288 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$155 | Average$441 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$319 | Average$541 | FlexibilityNo cancel fee | On-time71% |