$124 Cheap Frontier Airlines flights from New Orleans to Islip (MSY to ISP)

Find The Best Day To Fly from New Orleans to Islip

Amazing Frontier Airlines MSY to ISP Flight Deals

The cheapest flights to MacArthur found within the past 7 days were $211 round trip and $124 one way. Prices and availability subject to change. Additional terms may apply.

ISP From MSY Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Aliz Hotel Times Square
Hotel Riu Plaza New York Times Square
WestHouse New York
Don't see what you're looking for?
See all available trips from Louis Armstrong New Orleans Intl. to MacArthur
View all trips

Frequently asked questions

Can I catch a flight from MSY to MacArthur Airport (ISP) right now?
Ensure you visit our Covid-19 Travel Advisor to see if there are any current quarantine requirements or travel advice reports in place in MacArthur Airport (ISP) when flying from MSY.
What terminal is Frontier Airlines at Louis Armstrong New Orleans Intl. Airport?
Once you receive the boarding pass for your Frontier Airlines flight from MSY to ISP, you should be able to determine which terminals you’ll be jetting in and out of. Your carrier will have the answers if those details are missing from your ticket.
Are there Frontier Airlines non-stop flights from MSY to ISP?
As you can’t fly direct from Louis Armstrong New Orleans Intl. Airport to ISP with Frontier Airlines, make the most of your stopover. Shout yourself one of your favorite drinks at an airport bar, or stroll around the terminal and enjoy a little retail therapy.
How long is a Frontier Airlines flight from MSY to ISP?
Depending on no delays and good weather, your Frontier Airlines flight from MSY to ISP will take an average of 4 hours and 29 minutes. That means you’ve got ample time to enjoy a meal, catch forty winks and work on your travel program before you disembark.
How many direct and indirect flights does Frontier Airlines fly from MSY to ISP?
The air route from Louis Armstrong New Orleans Intl. Airport to MacArthur Airport is serviced by Frontier Airlines around 156 times each year.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to ISP, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best Frontier Airlines flight from New Orleans MSY to Islip ISP 

To find the best deals on flights to New Orleans from Islip with Frontier Airlines, just enter your travel dates, filter by Frontier Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from New Orleans MSY to Islip ISP with Frontier Airlines 

If you’re planning a round trip, booking return flights with Frontier Airlines is usually the most cost-effective option. With airfares ranging from $211 to $335, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Frontier Airlines flights from New Orleans MSY to Islip ISP 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Frontier Airlines flight from New Orleans to Islip costs from $124. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Islip ISP from  New Orleans MSY with Frontier Airlines 

To find a cheap Frontier Airlines flight from New Orleans MSY to Islip ISP, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on Frontier Airlines flights from New Orleans MSY to Islip ISP 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as June, or if you book a flight with a stopover. 

 

Find nonstop flights from New Orleans MSY to Islip ISP with Frontier Airlines 

If you’re keen to be on Islip soil fast, don’t waste time with a stopover—filter your search results to show direct Frontier Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for Frontier Airlines flights from New Orleans MSY to Islip ISP 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Islip ISP from  New Orleans MSY with Frontier Airlines on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Travelers ❤️ these 🏨 after their flight to Islip

La Quinta Inn & Suites by Wyndham Islip - MacArthur Airport
La Quinta Inn & Suites by Wyndham Islip - MacArthur Airport
2.5 out of 5
10 Aero Rd, Bohemia, NY
This hotel doesn't skimp on freebies - guests receive free continental breakfast, free self parking, and a free airport shuttle. Traveling on business? Take ...
6.8/10 (1,192 reviews)
"I enjoyed my stay. Room was nice and comfortable. Staff was friendly and helpful. Building is a little run down but for the price it was nice."

Reviewed on May 7, 2025

La Quinta Inn & Suites by Wyndham Islip - MacArthur Airport
Clarion Hotel & Conference Center
Clarion Hotel & Conference Center
3 out of 5
3845 Veterans Memorial Hwy, Ronkonkoma, NY
This hotel features a 24-hour gym and a bar/lounge. Traveling on business? Take advantage of the business center, free WiFi in public areas, and free airport ...
5.4/10 (1,002 reviews)
"wonderful"

Reviewed on May 1, 2025

Clarion Hotel & Conference Center
Hilton Garden Inn Islip/MacArthur Airport
Hilton Garden Inn Islip/MacArthur Airport
3 out of 5
3485 Veterans Memorial Hwy, Ronkonkoma, NY
This hotel features a restaurant, a gym, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center and free WiFi in public areas. ...
8.4/10 Very Good! (1,001 reviews)
"This was our first time in New York. We really enjoyed the hotel for the few nights we needed. Everything was great! The staff was friendly and welcoming."

Reviewed on May 5, 2025

Hilton Garden Inn Islip/MacArthur Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.