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Niagara Falls

$137+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YYZ
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 55 days in advance, depart on a Wednesday or Friday and return on a Wednesday

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 August 1, 2025.

Round-trip from

$279
(Kiwi.com)

One-way from

$137
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$496
From San Diego to Niagara Falls
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One-way flight from San Diego to Niagara Falls
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Highest demand for flights based on searches. 12% potential increase in price ($59 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 August 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 August 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/237:47 pmSAN - YYZ
1 stop21h 11mMultiple Airlines
Tue 9/309:30 amYYZ - SAN
1 stop12h 12mMultiple Airlines
Deal found 7/31$279
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/181:00 pmSAN - YYZ
2 stops13h 51mWestJet
Thu 9/256:30 amYYZ - SAN
1 stop9h 50mWestJet
Deal found 7/30$316
This Air Canada deal was found by Cheapflights users on 7/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2812:10 pmSAN - YYZ
Nonstop4h 50mAir Canada
Wed 12/38:40 amYYZ - SAN
Nonstop5h 38mAir Canada
Deal found 7/30$324
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:00 pmSAN - YYZ
1 stop13h 25mAmerican Airlines
Wed 12/31:10 pmYYZ - SAN
1 stop8h 21mAmerican Airlines
Deal found 7/30$329

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 1, 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

Tue 9/23

7:47 pm-7:58 pm

1 stop21h 11m

Toronto Pearson Intl

Tue 9/30

9:30 am-6:42 pm

1 stop12h 12m

$279

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Thu 9/18

1:00 pm-5:51 am

2 stops13h 51m

Toronto Pearson Intl

Thu 9/25

6:30 am-1:20 pm

1 stop9h 50m

$316

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Fri 11/28

12:10 pm-8:00 pm

Nonstop4h 50m

Toronto Pearson Intl

Wed 12/3

8:40 am-11:18 am

Nonstop5h 38m

$324

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Thu 11/27

11:00 pm-3:25 pm

1 stop13h 25m

Toronto Pearson Intl

Thu 12/4

7:59 am-1:31 pm

1 stop8h 32m

$329

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Thu 9/4

8:25 am-5:51 am

3 stops18h 26m

$137

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Sun 9/7

1:00 pm-1:38 pm

1 stop21h 38m

$153

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Thu 11/13

5:00 pm-3:35 pm

2 stops19h 35m

$160

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Mon 12/29

3:30 pm-12:25 pm

2 stops17h 55m

$172

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Sat 8/23

2:11 pm-11:58 pm

1 stop6h 47m

$176

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Thu 11/13

12:10 pm-8:00 pm

Nonstop4h 50m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 11 results
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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 July 25, 2025.

Booking 55 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 August 1, 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. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 1, 2025.
Peruse reviews from past customers who have flown with Alaska 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
WestJet
7.2
Good
2,978 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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 0 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 cheapest airlines to fly from San Diego to Niagara Falls one-way?

    One-way options have recently been found by users for as low as $153 on WestJet. Other airlines that offer cheap prices include Alaska Airlines from $160 and American Airlines from $172 one-way.

  • 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: Porter Airlines (71%), Air Transat (71%), Air Canada( 68%).

  • 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 $905, our data indicates the cheapest price to be $182. The most popular route (San Diego - Toronto Pearson Intl), is priced around $256.

  • 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.

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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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$139Average$315FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$146Average$308FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$152Average$405FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$224Average$423FlexibilityNo cancel feeOn-time69%
DeltaCheapest$317Average$390FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$319Average$464FlexibilityNo cancel feeOn-time71%

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