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$331+ Cheap flights from Niagara Falls (IAG) to Puerto Rico

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAG — SJU
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Niagara Falls to Puerto Rico

Cheapest flights from Niagara Falls to Puerto Rico
Explore the most affordable flight options available from Niagara Falls to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/2. 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 4/46:12 pm
IAG
-
SJU
1 stop15h 58m
Multiple Airlines
Sat 4/117:00 am
SJU
-
IAG
1 stop10h 49m
Multiple Airlines
Deal found 2/2$781

Find flight deals from Niagara Falls to Puerto Rico

Keep the following information in mind while searching for Niagara Falls to Puerto Rico flight deals. Data was last updated February 3, 2026.

Round-trip from

$781
(Kiwi.com)

One-way from

$331
(Kiwi.com)
From Niagara Falls to Puerto Rico
Search Deals
One-way flight from Niagara Falls to Puerto Rico
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Niagara Falls to Puerto Rico 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 February 3, 2026.
Use the filters below to find and compare flights from Niagara Falls to Puerto Rico that are best for you.

Fly from

Niagara Falls

Fly to

Puerto Rico

Route

Depart

Return

Price

Niagara FallsSan Juan

IAG - SJU

IAGSJU

Niagara Falls

Sat 4/4

6:12 pm-10:10 am

1 stop15h 58m

San Juan Luis Munoz Marin Intl

Sat 4/11

7:00 am-5:49 pm

1 stop10h 49m

$781

Niagara FallsSan Juan

IAG - SJU

IAGSJU

Niagara Falls

Thu 4/2

9:55 am-11:59 pm

1 stop14h 04m

$331

Niagara FallsSan Juan

IAG - SJU

IAGSJU

Niagara Falls

Fri 4/3

8:58 pm-8:53 am

1 stop11h 55m

$356

Niagara FallsSan Juan

IAG - SJU

IAGSJU

Niagara Falls

Sat 4/4

6:12 pm-10:10 am

1 stop15h 58m

$362

Niagara FallsSan Juan

IAG - SJU

IAGSJU

Niagara Falls

Wed 3/25

12:03 pm-9:39 am

3 stops45h 36m

$547

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Best time to book a flight from Niagara Falls to Puerto Rico

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

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

Currently, February is the cheapest month in which you can book a flight from Niagara Falls to Puerto Rico (average of $138). Flying from Niagara Falls to Puerto Rico in December is currently the most expensive (average of $250). 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.

Related info for your journey

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

    Niagara Falls (IAG) is the airport you will fly out of if you book a flight from Niagara Falls to Puerto Rico. It is only a 5.7 mi journey to Niagara Falls (IAG) from Niagara Falls’s city center.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Niagara Falls to Puerto Rico (average of $138). Flying from Niagara Falls to Puerto Rico in December is currently the most expensive (average of $250). 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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