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Niagara Falls

$125+ Cheap flights from Puerto Rico 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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — YYZ
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Puerto Rico to Niagara Falls

Keep the following information in mind while searching for Puerto Rico to Niagara Falls flight deals. Data was last updated September 15, 2025.

Round-trip from

$292
(United Airlines)

One-way from

$125
(American Airlines)

Popular in

August

Cheapest in

February

Average price

$596
From Puerto Rico to Niagara Falls
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One-way flight from Puerto Rico to Niagara Falls
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Highest demand for flights based on searches. 15% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 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 Puerto Rico to Niagara Falls

Cheapest flights from Puerto Rico to Niagara Falls
Explore the most affordable flight options available from Puerto Rico to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/62:20 pmSJU - YYZ
1 stop8h 04mUnited Airlines
Sat 11/152:57 pmYYZ - SJU
1 stop8h 39mUnited Airlines
Deal found 9/13$292
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:30 amSJU - YYZ
1 stop11h 27mUnited Airlines
Sun 11/910:00 amYYZ - SJU
1 stop11h 22mUnited Airlines
Deal found 9/14$293
This United Airlines 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 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 11/410:00 amYYZ - SJU
1 stop11h 22mUnited Airlines
Deal found 9/13$301
This American Airlines 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 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 9/13$316
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/223:56 pmSJU - YYZ
1 stop8h 02mUnited Airlines
Wed 10/292:45 pmYYZ - SJU
1 stop6h 37mUnited Airlines
Deal found 9/13$326
This American Airlines 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 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 stop11h 49mAmerican Airlines
Thu 10/303:49 pmYYZ - SJU
1 stop6h 21mAmerican Airlines
Deal found 9/13$337
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/301:05 amSJU - YYZ
1 stop8h 14mUnited Airlines
Sat 10/43:00 pmYYZ - SJU
1 stop8h 57mUnited Airlines
Deal found 9/14$351
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:10 amSJU - YYZ
1 stop12h 35mMultiple Airlines
Sun 11/99:15 amYYZ - SJU
Nonstop4h 35mMultiple Airlines
Deal found 9/14$356
This American Airlines 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 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 stop11h 49mAmerican Airlines
Sat 10/1811:50 amYYZ - SJU
1 stop12h 04mAmerican Airlines
Deal found 9/13$362

Cheapflights Fare Finder

 
Customize your flight search to find flights from Puerto Rico 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 15, 2025.
Use the filters below to find and compare flights from Puerto Rico to Niagara Falls that are best for you.

Fly from

Puerto Rico

Fly to

Niagara Falls

Route

Depart

Return

Price

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Thu 11/6

2:20 pm-9:24 pm

1 stop8h 04m

Toronto Pearson Intl

Sat 11/15

2:57 pm-12:36 am

1 stop8h 39m

$292

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Thu 11/6

2:20 pm-9:24 pm

1 stop8h 04m

Toronto Pearson Intl

Sun 11/9

9:00 am-9:00 pm

1 stop11h 00m

$301

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

9:00 am-9:00 pm

1 stop11h 00m

$301

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Tue 12/2

2:05 am-9:36 am

1 stop8h 31m

Toronto Pearson Intl

Wed 12/10

6:10 am-9:26 pm

1 stop14h 16m

$301

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Thu 11/6

4:52 pm-11:59 pm

1 stop8h 07m

Toronto Pearson Intl

Tue 11/11

2:57 pm-12:36 am

1 stop8h 39m

$301

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Thu 11/6

6:25 am-3:30 pm

1 stop10h 05m

Toronto Pearson Intl

Tue 11/11

7:30 am-5:52 pm

2 stops9h 22m

$316

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

Wed 10/29

2:45 pm-9:22 pm

1 stop6h 37m

$326

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Wed 10/22

3:56 pm-11:58 pm

1 stop8h 02m

Toronto Pearson Intl

Wed 10/29

2:45 pm-9:22 pm

1 stop6h 37m

$326

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Sun 12/21

8:35 pm-10:16 am

1 stop14h 41m

$125

San JuanToronto

SJU - YYZ

SJUYYZ

San Juan Luis Munoz Marin Intl

Wed 10/8

1:05 am-9:19 am

1 stop8h 14m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 15 results
1
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Best time to book a flight from Puerto Rico to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Puerto Rico 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 Puerto Rico to Niagara Falls

What is the cheapest month to book a flight from Puerto Rico to Niagara Falls?

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

Find hourly flight availability from Puerto Rico 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 15, 2025.

When flying from Puerto Rico 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.

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 15, 2025.
See what other customers who have flown with United Airlines, American Airlines, and WestJet from Puerto Rico 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.
United Airlines
7.4
Good
8,931 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
United Airlines
7.4
Good
8,931 reviews
United Airlines
7.4
Good
8,931 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,931 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
WestJet
7.2
Good
3,091 reviews
United Airlines
7.4
Good
8,931 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico 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 Puerto Rico to Niagara Falls?

    Airlines like United Airlines fly from Puerto Rico to Niagara Falls in about 8h 04m. The time it takes to get you to your destination can typically vary by up to . There are 1914 mi between Puerto Rico and Niagara Falls.

  • What are the cheapest flights from Puerto Rico to Niagara Falls?

    The cheapest flight price from Puerto Rico to Niagara Falls is $432. On average you can expect to pay $595. The most popular route, (San Juan Luis Munoz Marin Intl - Toronto Pearson Intl), can usually be booked for $301.

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

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

  • How can I find direct flights from Puerto Rico to Niagara Falls?

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

  • Can I find deals for business class flights from Puerto Rico to Niagara Falls?

    Yes. Cheapflights offers flight deals from Puerto Rico 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 Puerto Rico to Niagara Falls?

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

See prices for flight routes from nearby airports that may be better suited for you.
Bridgetown to Pearson Intl flights
Port of Spain to Pearson Intl flights
Montego Bay to Pearson Intl flights
Kingston to Pearson Intl flights
Luis Munoz Marin Intl to Pearson Intl flights
Nassau to Pearson Intl flights
Luis Munoz Marin Intl to Pierre Elliott Trudeau Intl flights
St. John's to Pearson Intl flights
Punta Cana to Pearson Intl flights
George Town to Pearson Intl flights
Simpson Bay to Pearson Intl flights
Fort-de-France to Pierre Elliott Trudeau Intl flights
Oranjestad to Pearson Intl flights
Simpson Bay to Pierre Elliott Trudeau Intl flights
Castries to Pearson Intl flights
Bridgetown to Pierre Elliott Trudeau Intl flights
Santo Domingo to Pearson Intl flights
Santo Domingo to Pierre Elliott Trudeau Intl flights
Willemstad to Pearson Intl flights
Port of Spain to Pierre Elliott Trudeau Intl flights
Puerto Plata to Pearson Intl flights
Port Au Prince to Pierre Elliott Trudeau Intl flights
Punta Cana to Pierre Elliott Trudeau Intl flights

Top 2 airlines flying from Puerto Rico to Niagara Falls

Discover the top 2 airlines that operate flights from Puerto Rico 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$300Average$691FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$373Average$515FlexibilityNo cancel feeOn-time71%

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