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Cheap flights from Niagara Falls to San Juan from $362

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Niagara Falls to San Juan departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
IAG
-
SJU
1863 mimulti-stop
Multiple Airlines Logo
SJU
-
IAG
1863 mimulti-stop
Multiple Airlines

momondo Fare Finder

 
Customize your flight search to find flights from Niagara Falls to San Juan Luis Munoz Marin Intl Airport 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, momondo users made 832,500 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from Niagara Falls to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Niagara FallsSan Juan

IAG - SJU

IAGSJU

Niagara Falls

Thu 3/5

7:38 pm-7:00 pm

3 stops46h 22m

$362

Niagara FallsSan Juan

IAG - SJU

IAGSJU

Niagara Falls

Sun 2/15

6:43 pm-2:48 am

3 stops55h 05m

$552

Niagara FallsSan Juan

IAG - SJU

IAGSJU

Niagara Falls

Sun 2/15

6:43 pm-1:05 am

2 stops29h 22m

$779

Niagara FallsSan Juan

IAG - SJU

IAGSJU

Niagara Falls

Thu 3/5

11:16 am-1:55 pm

2 stops49h 39m

$1,030

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Niagara Falls to San Juan Luis Munoz Marin Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to San Juan Luis Munoz Marin Intl Airport?

JetBlue, Southwest and Delta are the top three most popular airlines that fly to San Juan Luis Munoz Marin Intl Airport from Niagara Falls according to our data. JetBlue is the first choice among our users, with 44% of people opting to fly with this airline when traveling to San Juan Luis Munoz Marin Intl Airport. Keep in mind that there are 7 different airlines that fly to San Juan Luis Munoz Marin Intl Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Niagara Falls to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Niagara Falls to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Niagara Falls to San Juan Luis Munoz Marin Intl Airport (IAG to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Niagara Falls to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

13h 59m

Direct flights

None
The fastest flight from Niagara Falls to San Juan Luis Munoz Marin Intl Airport takes 13h 59m
There are no direct flights from Niagara Falls to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Niagara Falls to San Juan Luis Munoz Marin Intl Airport.
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  • How far is Niagara Falls to San Juan Luis Munoz Marin Intl by plane?

    The distance between Niagara Falls and San Juan Luis Munoz Marin Intl is about 1864.9 mi. By plane, this route typically takes 13h 59m.

  • When did momondo last update prices for flights from Niagara Falls Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Niagara Falls Airport to San Juan Luis Munoz Marin Intl Airport refresh daily.

  • How old do you have to be to fly from Niagara Falls Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Niagara Falls Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The travel and health documents you'll need for your trip to San Juan Luis Munoz Marin Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Humacao
Caguas
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Niagara Falls to San Juan?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Niagara Falls to San Juan. momondo saves you time and could save you money on your trip.

Can I find flights from Niagara Falls to San Juan with flexible booking policies on momondo?

Flights from Niagara Falls to San Juan with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Niagara Falls to San Juan?

momondo helps you find the best flight between Niagara Falls and San Juan by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Niagara Falls to San Juan right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Juan, momondo offers a useful price alert feature which will track prices for flights to San Juan from Niagara Falls and alert you when they change.

An easier way to manage your San Juan Luis Munoz Marin Intl Airport trip

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