Cheap Flights from Niagara Falls (IAG) to San Juan (SJU)

Popular airlines from Niagara Falls, NY (IAG-Niagara Falls Intl.) to Luis Munoz Marin Intl. Airport (SJU)

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Frequently asked questions

How much does a flight from Niagara Falls Intl. Airport (IAG) to Luis Munoz Marin Intl. Airport (SJU) cost?
Grab a cheap one-way flight or cheap return flight from Niagara Falls Intl. Airport (IAG) to Luis Munoz Marin Intl. Airport (SJU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Niagara Falls Intl. Airport (IAG) to Luis Munoz Marin Intl. Airport (SJU)?
is the most affordable month to fly from IAG to SJU. Traveling outside of peak seasons is often the key to landing a great deal.
Which airlines fly direct from Niagara Falls Intl. Airport (IAG) to Luis Munoz Marin Intl. Airport (SJU)?
You can't catch a direct flight to Luis Munoz Marin Intl. Airport (SJU) from Niagara Falls, NY (IAG-Niagara Falls Intl.). However, you can arrive in San Juan without any layovers by taking off from Pearson Intl. Airport (YYZ).
What is the cheapest airline that flies from Niagara Falls Intl. Airport (IAG) to Luis Munoz Marin Intl. Airport (SJU)?
To find the cheapest airline that'll fly you from IAG to SJU, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Niagara Falls Intl. Airport (IAG) to Luis Munoz Marin Intl. Airport (SJU)?
You'll have to book a flight with a layover if you're traveling from Niagara Falls Intl. Airport (IAG) to Luis Munoz Marin Intl. Airport (SJU). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from IAG to SJU?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Niagara Falls Intl. Airport (IAG) to Luis Munoz Marin Intl. Airport (SJU)?
To avoid potential delays on the Niagara Falls Intl. Airport (IAG) to Luis Munoz Marin Intl. Airport (SJU) route, travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Niagara Falls Intl. Airport (IAG) to Luis Munoz Marin Intl. Airport (SJU) last-minute?
Waiting until just before your trip to book a flight from IAG to SJU often results in higher prices. Although you may find some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible for a better chance of scoring a bargain.
Can I cancel or change the date of my flight from Niagara Falls Intl. Airport (IAG) to Luis Munoz Marin Intl. Airport (SJU)?
It's usually possible to reschedule or cancel your IAG to SJU flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Niagara Falls Intl.
Destination airport
Luis Munoz Marin Intl.
Distance
1863 mi

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Niagara Falls to San Juan Flights

The cheapest times to fly from Niagara Falls to San Juan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Niagara Falls to San Juan are during the month of . You can find some of the cheapest flights from Niagara Falls to San Juan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Niagara Falls to San Juan

Sunday is one of the best days to book for cheap flights from Niagara Falls to San Juan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Niagara Falls to San Juan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Niagara Falls to San Juan in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Niagara Falls to San Juan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Niagara Falls to San Juan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Niagara Falls to San Juan Flights

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*Available to One Key members.