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Niagara Falls

$151+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YYZ
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Niagara Falls are usually found in February or April, booked 74 days in advance, depart on a Wednesday or Friday and return on a Friday

Cheap 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 September 16, 2025.

Round-trip from

$303
(Trip.com)

One-way from

$151
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$446
From San Diego to Niagara Falls
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One-way flight from San Diego to Niagara Falls
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from San Diego to Niagara Falls

Cheapest flights from San Diego to Niagara Falls
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 September 16, 2025.

This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/163:59 pmSAN - YYZ
2 stops25h 54mMultiple Airlines
Tue 10/2111:00 amYYZ - SAN
2 stops13h 20mMultiple Airlines
Deal found 9/14$303
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/171:54 pmSAN - YYZ
2 stops13h 18mMultiple Airlines
Fri 10/249:45 amYYZ - SAN
1 stop11h 39mMultiple Airlines
Deal found 9/15$304
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/298:59 pmSAN - YYZ
1 stop23h 01mMultiple Airlines
Fri 10/317:55 pmYYZ - SAN
1 stop15h 45mMultiple Airlines
Deal found 9/14$305
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/173:59 pmSAN - YYZ
1 stop11h 21mMultiple Airlines
Sat 11/229:30 pmYYZ - SAN
1 stop17h 15mMultiple Airlines
Deal found 9/15$306
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/182:05 pmSAN - YYZ
1 stop13h 35mMultiple Airlines
Fri 10/249:45 amYYZ - SAN
1 stop11h 39mMultiple Airlines
Deal found 9/15$307
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/88:00 amSAN - YYZ
1 stop8h 58mMultiple Airlines
Mon 10/209:45 amYYZ - SAN
1 stop9h 47mMultiple Airlines
Deal found 9/14$308
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/147:48 pmSAN - YYZ
1 stop7h 32mMultiple Airlines
Mon 11/247:55 pmYYZ - SAN
1 stop17h 44mMultiple Airlines
Deal found 9/15$310
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Tue 10/145:59 pmSAN - YYZ
2 stops16h 39mMultiple Airlines
Fri 10/178:05 pmYYZ - SAN
1 stop15h 10mMultiple Airlines
Deal found 9/13$311
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:18 amSAN - YYZ
1 stop8h 42mMultiple Airlines
Wed 10/229:45 amYYZ - SAN
1 stop14h 35mMultiple Airlines
Deal found 9/15$312
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/78:00 amSAN - YYZ
2 stops11h 52mMultiple Airlines
Mon 10/209:45 amYYZ - SAN
1 stop9h 47mMultiple Airlines
Deal found 9/14$313
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/248:00 amSAN - YYZ
1 stop8h 45mMultiple Airlines
Sat 10/46:30 amYYZ - SAN
2 stops35h 40mMultiple Airlines
Deal found 9/15$314
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/126:41 amSAN - YYZ
2 stops14h 41mMultiple Airlines
Fri 10/178:05 pmYYZ - SAN
1 stop15h 10mMultiple Airlines
Deal found 9/13$315

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 September 16, 2025.
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

Sat 10/25

8:00 am-7:45 pm

1 stop8h 45m

Toronto Pearson Intl

Mon 10/27

10:15 am-10:41 am

1 stop27h 26m

$340

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Fri 11/21

8:59 pm-7:36 pm

2 stops19h 37m

Toronto Pearson Intl

Sun 11/30

10:15 pm-11:45 am

1 stop16h 30m

$351

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Fri 10/31

12:35 pm-12:26 am

1 stop8h 51m

Toronto Pearson Intl

Mon 11/3

9:35 am-4:40 pm

1 stop10h 05m

$351

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Fri 10/24

9:59 pm-7:45 pm

1 stop18h 46m

Toronto Pearson Intl

Mon 10/27

9:35 am-4:29 pm

1 stop9h 54m

$400

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Fri 10/31

10:30 am-3:35 pm

2 stops26h 05m

Toronto Pearson Intl

Mon 11/3

4:45 pm-11:50 am

2 stops22h 05m

$419

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Tue 12/30

6:15 am-3:35 pm

1 stop30h 20m

Toronto Pearson Intl

Tue 1/13

4:45 pm-9:08 am

2 stops19h 23m

$423

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Thu 10/16

6:25 pm-3:00 pm

1 stop17h 35m

Toronto Pearson Intl

Tue 10/21

4:45 pm-11:20 am

2 stops21h 35m

$453

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Tue 11/18

7:00 am-3:35 pm

2 stops29h 35m

Toronto Pearson Intl

Mon 11/24

4:45 pm-12:10 am

1 stop10h 25m

$457

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Tue 12/2

9:34 am-3:35 pm

1 stop27h 01m

Toronto Pearson Intl

Fri 12/5

4:45 pm-10:47 pm

1 stop9h 02m

$460

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Fri 11/7

10:09 pm-11:00 pm

1 stop21h 51m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 19 results
1
2

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 September 12, 2025.

Booking 74 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, January is the cheapest month in which you can book a flight from San Diego to Niagara Falls (average of $243). Flying from San Diego to Niagara Falls in August is currently the most expensive (average of $348). 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 September 16, 2025.

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.

What is the cheapest day to fly from San Diego to Niagara Falls?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Niagara Falls. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Diego to Niagara Falls flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 16, 2025.

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).

How much does it cost to fly round-trip from San Diego 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 September 16, 2025.
Peruse reviews from past customers who have flown with Delta, Porter Airlines, and Air Transat 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.
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
7.9
Good
363 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.7
Good
438 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What airport do you fly from for flights from San Diego to Niagara Falls?

    San Diego (SAN) is the airport you will fly out of if you book a flight from San Diego to Niagara Falls. You should not have trouble finding flights to Niagara Falls from San Diego; the airport handles an average of 2 outbound flights to Niagara Falls per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the San Diego airport to Niagara Falls. It is only a 2.6 mi journey to San Diego (SAN) from San Diego’s city center.

  • What are the most reliable airlines from San Diego to Niagara Falls?

    Before booking your flight to Niagara Falls from San Diego, check out the most reliable airlines to get you to your destination on time: Air Canada Rouge (86%), Air Canada (65%), United Airlines( 53%).

  • What are the cheapest flights from San Diego to Niagara Falls?

    Looking for the cheapest flight from San Diego to Niagara Falls? While on average our users pay $440, our data indicates the cheapest price to be $132. The most popular route (San Diego - Toronto Pearson Intl), is priced around $220.

  • Can I find deals for flights from San Diego to Niagara Falls that include hotel bookings?

    Yes. In addition to deals on San Diego to Niagara Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Niagara Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Niagara Falls.

  • Can I find deals for business class flights from San Diego to Niagara Falls?

    Yes. Cheapflights offers flight deals from San Diego to Niagara Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Niagara Falls?

    Currently, January is the cheapest month in which you can book a flight from San Diego to Niagara Falls (average of $243). Flying from San Diego to Niagara Falls in August is currently the most expensive (average of $348). 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.

See more FAQs

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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.
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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$138Average$314FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$146Average$308FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$147Average$389FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$223Average$411FlexibilityNo cancel feeOn-time69%
DeltaCheapest$317Average$388FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$319Average$541FlexibilityNo cancel feeOn-time71%

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