$73 Cheap Flights from New Orleans (MSY) to Islip (ISP)

View $73 flight on Wed, Aug 13, 2025Opens in a new window

Popular airlines from Louis Armstrong New Orleans Intl. Airport (MSY) to MacArthur Airport (ISP)

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Cheap Flights from New Orleans to Islip (MSY-ISP)

Prices were available within the past 7 days and start at $73 for one-way flights and $160 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Fri, Sep 5 - Thu, Sep 11
MSY
New Orleans
ISP
Islip
$160 Roundtrip, found 5 days ago
$160
Roundtrip
found 5 days ago
Select Breeze Airways flight, departing Fri, Sep 5 from New Orleans to Islip, returning Thu, Sep 11, priced at $160 found 5 days ago
Breeze Airways
Thu, Sep 4 - Mon, Sep 8
MSY
New Orleans
ISP
Islip
$167 Roundtrip, found 5 days ago
$167
Roundtrip
found 5 days ago
Select Breeze Airways flight, departing Thu, Sep 4 from New Orleans to Islip, returning Mon, Sep 8, priced at $167 found 5 days ago
Breeze Airways
Wed, Aug 13 - Mon, Aug 18
MSY
New Orleans
ISP
Islip
$185 Roundtrip, found 3 days ago
$185
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Wed, Aug 13 from New Orleans to Islip, returning Mon, Aug 18, priced at $185 found 3 days ago
Breeze Airways
Fri, Sep 12 - Sun, Sep 14
MSY
New Orleans
ISP
Islip
$189 Roundtrip, found 6 days ago
$189
Roundtrip
found 6 days ago
Select Breeze Airways flight, departing Fri, Sep 12 from New Orleans to Islip, returning Sun, Sep 14, priced at $189 found 6 days ago
Breeze Airways
Wed, Aug 13 - Mon, Aug 18
MSY
New Orleans
ISP
Islip
$190 Roundtrip, found 3 days ago
$190
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Wed, Aug 13 from New Orleans to Islip, returning Mon, Aug 18, priced at $190 found 3 days ago
Breeze Airways
Wed, Aug 13 - Mon, Aug 18
MSY
New Orleans
ISP
Islip
$195 Roundtrip, found 3 days ago
$195
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Wed, Aug 13 from New Orleans to Islip, returning Mon, Aug 18, priced at $195 found 3 days ago
Breeze Airways
Fri, Sep 12 - Sun, Sep 14
MSY
New Orleans
ISP
Islip
$199 Roundtrip, found 6 days ago
$199
Roundtrip
found 6 days ago
Select Breeze Airways flight, departing Fri, Sep 12 from New Orleans to Islip, returning Sun, Sep 14, priced at $199 found 6 days ago
Frontier Airlines
Fri, Aug 1 - Thu, Aug 7
MSY
New Orleans
ISP
Islip
$212 Roundtrip, found 2 days ago
$212
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Aug 1 from New Orleans to Islip, returning Thu, Aug 7, priced at $212 found 2 days ago
Southwest Airlines
Wed, Aug 13 - Mon, Aug 18
MSY
New Orleans
ISP
Islip
$245 Roundtrip, found 3 days ago
$245
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Wed, Aug 13 from New Orleans to Islip, returning Mon, Aug 18, priced at $245 found 3 days ago
JetBlue Airways
Mon, Aug 25 - Wed, Sep 3
MSY
New Orleans
ISP
Islip
$408 Roundtrip, found 12 hours ago
$408
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Mon, Aug 25 from New Orleans to Islip, returning Wed, Sep 3, priced at $408 found 12 hours ago
Flights from New Orleans (MSY) to Islip (ISP)
Origin airport
Louis Armstrong New Orleans Intl.
Destination airport
MacArthur
Airlines serving
Breeze Airways, Frontier Airlines, JetBlue Airways, Southwest Airlines
Roundtrip price
$160
Distance
1217 mi
Average flight time
4 hours 19 mins

New Orleans to Islip Flights

The cheapest times to fly from New Orleans 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 New Orleans to Islip are during the month of September. You can find some of the cheapest flights from New Orleans to Islip with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from New Orleans to Islip

Sunday is one of the best days to book for cheap flights from New Orleans 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 New Orleans 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 New Orleans to Islip in 2025. You can also book with separate airlines for your outbound and return journeys, from $73 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 New Orleans 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 New Orleans 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.

 

Frequently asked questions

How much does a flight from Louis Armstrong New Orleans Intl. Airport (MSY) to MacArthur Airport (ISP) cost?
Discover the latest flight deals from MSY to ISP by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from MSY to ISP?
The cheapest flights from MSY to ISP are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from MSY to ISP?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from MSY to ISP. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Louis Armstrong New Orleans Intl. Airport (MSY) to MacArthur Airport (ISP)?
You’ll have to take a flight with a layover when traveling from Louis Armstrong New Orleans Intl. Airport (MSY) to MacArthur Airport (ISP). Direct flights don’t operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from MSY to ISP?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a range of factors, such as 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 Louis Armstrong New Orleans Intl. Airport (MSY) to MacArthur Airport (ISP)?
Book a flight from Louis Armstrong New Orleans Intl. Airport (MSY) to MacArthur Airport (ISP) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time are on average 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.
What airports do you fly into for Islip from Louis Armstrong New Orleans Intl. Airport (MSY)?
Board a direct flight from Louis Armstrong New Orleans Intl. Airport (MSY) to Islip and touch down at any one of these airports:

  • LaGuardia Airport (LGA)
  • John F. Kennedy Intl. Airport (JFK)
  • Tweed - New Haven Regional Airport (HVN)

Is it cheaper to buy a plane ticket from Louis Armstrong New Orleans Intl. Airport (MSY) to MacArthur Airport (ISP) last-minute?
Holding off until right before your break to book your flight from MSY to ISP often results in higher prices. While you may find some last-minute discounts, they aren’t always guaranteed. Keep your travel schedule open to maximize your chances of landing a bargain.
Is it cheaper to book a MSY to ISP flight and hotel package?
Compared with arranging flights and hotels separately, booking a MSY to ISP flight and hotel package with Expedia could lead to significant savings. What’s more, having it all in one place will take the hassle out of planning your trip. Just pick your flights and choose from our wide range of stays, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Louis Armstrong New Orleans Intl. Airport (MSY) to MacArthur Airport (ISP)?
Usually, it’s possible to cancel or reschedule your MSY to ISP flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.