Cheap Flights from Niagara Falls (IAG) to Islip (ISP)

Popular airlines from Niagara Falls, NY (IAG-Niagara Falls Intl.) to MacArthur Airport (ISP)

Frequently asked questions

How much does a flight from Niagara Falls Intl. Airport (IAG) to MacArthur Airport (ISP) cost?
Secure a cheap one-way flight or cheap return flight from Niagara Falls Intl. Airport (IAG) to MacArthur Airport (ISP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Niagara Falls Intl. Airport (IAG) to MacArthur Airport (ISP)?
The cheapest month to fly from IAG to ISP is , when there's less demand. Off-peak months are typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Niagara Falls Intl. Airport (IAG) to MacArthur Airport (ISP)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest IAG to ISP flight.
How many flights per day from Niagara Falls Intl. Airport (IAG) to MacArthur Airport (ISP)?
Nonstop flights from Niagara Falls Intl. Airport (IAG) to MacArthur Airport (ISP) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAG to ISP?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, including the airline and season.*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 MacArthur Airport (ISP)?
To avoid possible delays on the Niagara Falls Intl. Airport (IAG) to MacArthur Airport (ISP) route, fly before 3 PM. Flights 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 MacArthur Airport (ISP) last-minute?
Last-minute fares from IAG to ISP are generally more expensive. For the lowest rates, start searching for flights well in advance. That said, if your travel plans are flexible, you may land a cheap ticket right before your journey.
Is it cheaper to book an IAG to ISP flight and hotel package?
Securing an IAG to ISP flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our extensive range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Niagara Falls Intl. Airport (IAG) to MacArthur Airport (ISP)?
Typically, you can reschedule or cancel your IAG to ISP flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want more information, go to our Customer Service portal.

Travel information

Origin airport
Niagara Falls Intl.
Destination airport
MacArthur
Distance
340 mi

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Niagara Falls to Islip Flights

The cheapest times to fly from Niagara Falls to Islip

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 Islip are during the month of . You can find some of the cheapest flights from Niagara Falls to Islip with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Niagara Falls to Islip

Sunday is one of the best days to book for cheap flights from Niagara Falls to Islip: 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 Islip

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 Islip 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 Islip 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 Islip 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 Islip Flights

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*Available to One Key members.