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Niagara Falls

$168+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YYZ
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Niagara Falls are usually found in March or May, booked 6 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 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 June 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:53 pm
SAN
-
YYZ
1 stop16h 16m
Multiple Airlines
Tue 8/2510:50 am
YYZ
-
SAN
2 stops13h 08m
Multiple Airlines
Deal found 6/9$386
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:03 pm
SAN
-
YYZ
2 stops31h 02m
Multiple Airlines
Tue 8/188:35 pm
YYZ
-
SAN
1 stop27h 23m
Multiple Airlines
Deal found 6/10$393
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:03 pm
SAN
-
YYZ
2 stops35h 07m
Multiple Airlines
Tue 8/188:35 pm
YYZ
-
SAN
1 stop27h 23m
Multiple Airlines
Deal found 6/9$394
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/293:03 pm
SAN
-
YYZ
1 stop12h 36m
Multiple Airlines
Tue 8/117:00 am
YYZ
-
SAN
1 stop10h 08m
Multiple Airlines
Deal found 6/7$398
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:03 pm
SAN
-
YYZ
1 stop12h 36m
Multiple Airlines
Wed 8/1910:50 am
YYZ
-
SAN
2 stops13h 08m
Multiple Airlines
Deal found 6/10$407
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/213:03 pm
SAN
-
YYZ
1 stop12h 36m
Multiple Airlines
Tue 7/289:30 am
YYZ
-
SAN
1 stop8h 57m
Multiple Airlines
Deal found 6/6$409
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/83:03 pm
SAN
-
YYZ
1 stop12h 36m
Multiple Airlines
Tue 7/1410:50 am
YYZ
-
SAN
2 stops30h 18m
Multiple Airlines
Deal found 6/10$412
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:03 pm
SAN
-
YYZ
1 stop12h 36m
Multiple Airlines
Sat 7/259:00 am
YYZ
-
SAN
2 stops14h 06m
Multiple Airlines
Deal found 6/9$413
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:22 pm
SAN
-
YYZ
1 stop14h 17m
Multiple Airlines
Mon 9/2110:50 am
YYZ
-
SAN
2 stops12h 58m
Multiple Airlines
Deal found 6/9$414
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:03 pm
SAN
-
YYZ
1 stop12h 36m
Multiple Airlines
Mon 7/2710:50 am
YYZ
-
SAN
2 stops30h 18m
Multiple Airlines
Deal found 6/9$415

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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$386
(Kiwi.com)

One-way from

$168
(Kiwi.com)

Popular in

February

Cheapest in

March

Average price

$549
Provider with most accurate pricing for San Diego-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Toronto (YTO) flights.
Search Deals
From San Diego to Niagara Falls
Search Deals
One-way flight from San Diego to Niagara Falls
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 11, 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

Price

Cheapest round-trip

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Thu 7/23

6:15 am-10:01 pm

1 stop12h 46m

Toronto Pearson Intl

Tue 7/28

6:10 am-10:27 am

1 stop7h 17m

$509

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Fri 7/24

10:15 pm-11:19 am

1 stop10h 04m

Toronto Pearson Intl

Wed 7/29

12:09 pm-6:14 pm

1 stop9h 05m

$509

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Wed 7/22

8:00 am-10:01 pm

1 stop11h 01m

Toronto Pearson Intl

Sun 7/26

6:10 am-2:09 pm

1 stop10h 59m

$583

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Mon 7/20

9:30 pm-10:25 am

1 stop9h 55m

Toronto Pearson Intl

Fri 7/31

1:38 pm-10:57 pm

1 stop12h 19m

$583

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Wed 7/8

6:15 am-10:01 pm

1 stop12h 46m

Toronto Pearson Intl

Mon 7/13

9:45 am-6:14 pm

1 stop11h 29m

$583

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Fri 6/26

10:15 pm-11:19 am

1 stop10h 04m

Toronto Pearson Intl

Thu 7/2

6:05 am-10:27 am

1 stop7h 22m

$586
Quickest round-trip

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Thu 7/23

9:05 pm-9:19 am

1 stop9h 14m

Toronto Pearson Intl

Sun 7/26

9:20 am-11:35 am

Nonstop5h 15m

$588

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Wed 7/1

4:41 pm-12:35 pm

1 stop16h 54m

Toronto Pearson Intl

Sun 7/12

8:55 am-10:25 pm

1 stop16h 30m

$604

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Sun 7/19

10:15 pm-11:19 am

1 stop10h 04m

Toronto Pearson Intl

Fri 7/31

11:40 am-9:16 pm

1 stop12h 36m

$604

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Wed 7/22

12:59 pm-11:58 pm

1 stop7h 59m

Toronto Pearson Intl

Sat 7/25

6:00 am-11:34 am

1 stop8h 34m

$616

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 21 resultsSorted by cheapest first
1
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3

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

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 June 11, 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 June 11, 2026.

The most flights from SAN to NI4 are scheduled on a Wednesday (3 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 June 11, 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.
Delta
7.9
Good
8,399 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.8

Food

7.2

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
7.9
Good
8,399 reviews
Delta
7.9
Good
8,399 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.8

Food

7.2

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
9,804 reviews
Delta
7.9
Good
8,399 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.8

Food

7.2

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.
American Airlines
7.1
Good
11,640 reviews
Delta
7.9
Good
8,399 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.8

Food

7.2

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
11,160 reviews
Delta
7.9
Good
8,399 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.8

Food

7.2

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 4 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.

  • How long is the flight from San Diego to Niagara Falls?

    There are many flights that can get you from San Diego to Niagara Falls in 12h 46m. Fly via Delta to get the fastest option. The distance between San Diego and Niagara Falls is about 2153 mi.

  • 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 $136 on Air Canada. Other airlines that offer cheap prices include United Airlines from $156 and American Airlines from $166 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: United Airlines (90%), Air Canada (90%), Air Canada Rouge( 90%).

  • 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 $509, our data indicates the cheapest price to be $225. The most popular route (San Diego - Toronto Pearson Intl), is priced around $386.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$213Average$465FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$267Average$510FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$303Average$583FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$388Average$599FlexibilityNo cancel feeOn-time71%

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