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Niagara Falls

$120+ Cheap flights from San Juan 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — YYZ
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from San Juan to Niagara Falls

Keep the following information in mind while searching for San Juan to Niagara Falls flight deals. Data was last updated September 11, 2025.

Round-trip from

$292
(United Airlines)

One-way from

$120
(United Airlines)

Popular in

October

Cheapest in

April

Average price

$405
From San Juan to Niagara Falls
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One-way flight from San Juan to Niagara Falls
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Highest demand for flights based on searches. 14% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 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 Juan to Niagara Falls

Cheapest flights from San Juan to Niagara Falls
Explore the most affordable flight options available from San Juan to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 11/68:10 amSJU - YYZ
1 stop12h 35mUnited Airlines
Sat 11/159:00 amYYZ - SJU
1 stop11h 00mUnited Airlines
Deal found 9/11$292
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/311:05 amSJU - YYZ
1 stop8h 31mUnited Airlines
Tue 11/42:45 pmYYZ - SJU
1 stop6h 37mUnited Airlines
Deal found 9/11$301
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:10 amSJU - YYZ
2 stops10h 09mAmerican Airlines
Tue 11/46:00 amYYZ - SJU
1 stop10h 05mAmerican Airlines
Deal found 9/10$317
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:05 amSJU - YYZ
1 stop8h 14mUnited Airlines
Sat 11/110:00 amYYZ - SJU
1 stop11h 22mUnited Airlines
Deal found 9/10$326
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:30 amSJU - YYZ
1 stop17h 29mAmerican Airlines
Thu 10/303:49 pmYYZ - SJU
1 stop6h 21mAmerican Airlines
Deal found 9/11$337
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:45 amSJU - YYZ
2 stops9h 34mAmerican Airlines
Mon 10/273:45 pmYYZ - SJU
1 stop8h 09mAmerican Airlines
Deal found 9/10$342
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/224:51 pmSJU - YYZ
2 stops28h 50mMultiple Airlines
Sun 10/269:35 amYYZ - SJU
1 stop29h 41mMultiple Airlines
Deal found 9/10$347
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 12/2310:15 amSJU - YYZ
1 stop13h 22mUnited Airlines
Thu 1/16:10 amYYZ - SJU
1 stop14h 16mUnited Airlines
Deal found 9/11$357
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sat 9/276:44 amSJU - YYZ
1 stop15h 56mMultiple Airlines
Mon 10/64:00 pmYYZ - SJU
1 stop22h 12mMultiple Airlines
Deal found 9/11$361
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/85:30 amSJU - YYZ
1 stop10h 00mAmerican Airlines
Sun 10/193:45 pmYYZ - SJU
1 stop8h 09mAmerican Airlines
Deal found 9/10$362
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/219:55 amSJU - YYZ
1 stop14h 35mMultiple Airlines
Fri 10/246:30 amYYZ - SJU
1 stop8h 46mMultiple Airlines
Deal found 9/10$364
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:05 amSJU - YYZ
1 stop8h 14mUnited Airlines
Sun 10/269:00 amYYZ - SJU
1 stop11h 00mUnited Airlines
Deal found 9/10$365

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan 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 11, 2025.
Use the filters below to find and compare flights from San Juan to Niagara Falls that are best for you.

Fly from

San Juan

Fly to

Niagara Falls

Route

Depart

Return

Price

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Thu 11/6

8:10 am-4:02 pm

1 stop8h 52m

Toronto Pearson Intl

Sat 11/15

9:00 am-9:00 pm

1 stop11h 00m

$292

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Sat 11/1

1:20 pm-11:20 pm

1 stop10h 00m

Toronto Pearson Intl

Tue 11/4

6:10 am-9:26 pm

1 stop14h 16m

$301

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Tue 11/4

2:05 am-9:36 am

1 stop8h 31m

Toronto Pearson Intl

Sat 11/15

9:00 am-9:00 pm

1 stop11h 00m

$301

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Fri 10/24

1:05 am-9:19 am

1 stop8h 14m

Toronto Pearson Intl

Mon 10/27

6:10 am-8:26 pm

1 stop14h 16m

$326

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Wed 10/22

1:05 am-9:19 am

1 stop8h 14m

Toronto Pearson Intl

Mon 10/27

2:57 pm-11:36 pm

1 stop8h 39m

$326

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Sat 10/25

1:30 pm-10:30 pm

1 stop9h 00m

Toronto Pearson Intl

Wed 10/29

6:10 am-8:26 pm

1 stop14h 16m

$326

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Wed 10/8

5:30 am-3:30 pm

1 stop10h 00m

Toronto Pearson Intl

Sun 10/19

3:45 pm-11:54 pm

1 stop8h 09m

$362

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Tue 12/23

2:15 pm-9:24 pm

1 stop8h 09m

Toronto Pearson Intl

Thu 1/1

10:45 am-8:09 pm

1 stop8h 24m

$366

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Sat 11/8

8:30 am-6:57 pm

1 stop11h 27m

$120

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Sun 12/21

8:35 pm-10:16 am

1 stop14h 41m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 17 results
1
2

Best time to book a flight from San Juan to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from San Juan 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 Juan to Niagara Falls

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

Currently, January is the cheapest month in which you can book a flight from San Juan to Niagara Falls (average of $243). Flying from San Juan 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 SJU to NI4?

Find hourly flight availability from San Juan 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 11, 2025.

When flying from San Juan to Niagara Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly round-trip from San Juan to Niagara Falls. Price data was last updated on September 29, 2024.

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

How much does it cost to fly round-trip from San Juan 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 11, 2025.
See what other customers who have flown with American Airlines and WestJet from San Juan to Niagara Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Entertainment

6.9

Comfort

7.2

Food

6.4

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

CHARLES,Oct 2024

DOH - PHL

American does not provide a comparable level of onboard service to business class passengers compared to what used to be provided by Qatar Airways on the same route between DOH and PHL. American's flight attendants do the minimal to make business class passengers feel welcome; they provide less attentive and less friendly service compared to other international carriers such as Emirates and Qatar Airways.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Entertainment

6.9

Comfort

7.2

Food

6.4

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

CHARLES,Oct 2024

DOH - PHL

American does not provide a comparable level of onboard service to business class passengers compared to what used to be provided by Qatar Airways on the same route between DOH and PHL. American's flight attendants do the minimal to make business class passengers feel welcome; they provide less attentive and less friendly service compared to other international carriers such as Emirates and Qatar Airways.
WestJet
7.2
Good
3,091 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Entertainment

6.9

Comfort

7.2

Food

6.4

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

CHARLES,Oct 2024

DOH - PHL

American does not provide a comparable level of onboard service to business class passengers compared to what used to be provided by Qatar Airways on the same route between DOH and PHL. American's flight attendants do the minimal to make business class passengers feel welcome; they provide less attentive and less friendly service compared to other international carriers such as Emirates and Qatar Airways.

Related info for your journey

Find useful and relevant information for your journey from San Juan to Niagara Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from San Juan to Niagara Falls can take about 8h 52m. United Airlines provides one of the quickest options available for as low as $292. The distance from San Juan to Niagara Falls is about 1914 mi.

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

    On average you can expect to pay $1,035 for a flight from San Juan to Niagara Falls. The cheapest flight overall is $542 while the most popular route, (San Juan Luis Munoz Marin Intl - Toronto Pearson Intl) is currently priced at $301.

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

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

  • How can I find direct flights from San Juan 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 Juan to Niagara Falls.

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

    Yes. Cheapflights offers flight deals from San Juan 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 Juan to Niagara Falls?

    Currently, January is the cheapest month in which you can book a flight from San Juan to Niagara Falls (average of $243). Flying from San Juan 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Juan to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to Pearson Intl flights
Luis Munoz Marin Intl to Pierre Elliott Trudeau Intl flights

Top 2 airlines flying from San Juan to Niagara Falls

Discover the top 2 airlines that operate flights from San Juan 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$300Average$691FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$373Average$515FlexibilityNo cancel feeOn-time71%

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