$70 Cheap Flights from Islip (ISP) to New Orleans (MSY)

View $70 flight on Wed, Aug 27, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $70 for one-way flights and $142 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Wed, Aug 20 - Wed, Aug 27
ISP
Islip
MSY
New Orleans
$142 Roundtrip, found 2 days ago
$142
Roundtrip
found 2 days ago
Select Breeze Airways flight, departing Wed, Aug 20 from Islip to New Orleans, returning Wed, Aug 27, priced at $142 found 2 days ago
Breeze Airways
Thu, Sep 4 - Thu, Sep 11
ISP
Islip
MSY
New Orleans
$146 Roundtrip, found 15 hours ago
$146
Roundtrip
found 15 hours ago
Select Breeze Airways flight, departing Thu, Sep 4 from Islip to New Orleans, returning Thu, Sep 11, priced at $146 found 15 hours ago
Breeze Airways
Thu, Sep 4 - Sun, Sep 7
ISP
Islip
MSY
New Orleans
$160 Roundtrip, found 5 days ago
$160
Roundtrip
found 5 days ago
Select Breeze Airways flight, departing Thu, Sep 4 from Islip to New Orleans, returning Sun, Sep 7, priced at $160 found 5 days ago
Breeze Airways
Thu, Sep 4 - Sun, Sep 7
ISP
Islip
MSY
New Orleans
$165 Roundtrip, found 5 days ago
$165
Roundtrip
found 5 days ago
Select Breeze Airways flight, departing Thu, Sep 4 from Islip to New Orleans, returning Sun, Sep 7, priced at $165 found 5 days ago
Breeze Airways
Thu, Sep 4 - Sun, Sep 7
ISP
Islip
MSY
New Orleans
$170 Roundtrip, found 5 days ago
$170
Roundtrip
found 5 days ago
Select Breeze Airways flight, departing Thu, Sep 4 from Islip to New Orleans, returning Sun, Sep 7, priced at $170 found 5 days ago
Breeze Airways
Fri, Aug 8 - Wed, Aug 13
ISP
Islip
MSY
New Orleans
$171 Roundtrip, found 10 hours ago
$171
Roundtrip
found 10 hours ago
Select Breeze Airways flight, departing Fri, Aug 8 from Islip to New Orleans, returning Wed, Aug 13, priced at $171 found 10 hours ago
Breeze Airways
Fri, Aug 8 - Wed, Aug 13
ISP
Islip
MSY
New Orleans
$176 Roundtrip, found 10 hours ago
$176
Roundtrip
found 10 hours ago
Select Breeze Airways flight, departing Fri, Aug 8 from Islip to New Orleans, returning Wed, Aug 13, priced at $176 found 10 hours ago
Breeze Airways
Fri, Aug 8 - Wed, Aug 13
ISP
Islip
MSY
New Orleans
$181 Roundtrip, found 10 hours ago
$181
Roundtrip
found 10 hours ago
Select Breeze Airways flight, departing Fri, Aug 8 from Islip to New Orleans, returning Wed, Aug 13, priced at $181 found 10 hours ago
Southwest Airlines
Wed, Oct 15 - Thu, Oct 16
ISP
Islip
MSY
New Orleans
$217 Roundtrip, found 1 day ago
$217
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Oct 15 from Islip to New Orleans, returning Thu, Oct 16, priced at $217 found 1 day ago
JetBlue Airways
Sat, Aug 23 - Mon, Aug 25
ISP
Islip
MSY
New Orleans
$450 Roundtrip, found 3 days ago
$450
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sat, Aug 23 from Islip to New Orleans, returning Mon, Aug 25, priced at $450 found 3 days ago

Alternative airports near New Orleans

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Louis Armstrong New Orleans Intl. MSY. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $316
MSY
Louis Armstrong New Orleans Intl.
Cheapest
Average driving time to city center20 min
Flights from $316
Flights from Islip (ISP) to New Orleans (MSY)
Origin airport
MacArthur
Destination airport
Louis Armstrong New Orleans Intl.
Airlines serving
Breeze Airways, Frontier Airlines, Southwest Airlines
Roundtrip price
$141
Distance
1217 mi
Average flight time
4 hours 38 mins

Islip to New Orleans Flights

The cheapest times to fly from Islip to New Orleans

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

 

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

Sunday is one of the best days to book for cheap flights from Islip to New Orleans: 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 Islip to New Orleans

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 Islip to New Orleans in 2025. You can also book with separate airlines for your outbound and return journeys, from $70 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 Islip to New Orleans 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 Islip to New Orleans 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 MacArthur Airport (ISP) to Louis Armstrong New Orleans Intl. Airport (MSY) cost?
Discover the latest flight deals from ISP to MSY 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 ISP to MSY?
The cheapest flights from ISP to MSY are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from MacArthur Airport (ISP) to Louis Armstrong New Orleans Intl. Airport (MSY)?
You can't catch a direct flight from Islip, NY (ISP-MacArthur) to Louis Armstrong New Orleans Intl. Airport (MSY). However, you can easily travel to New Orleans without any layovers by departing from John F. Kennedy Intl. Airport (JFK).
What is the cheapest airline that flies from ISP to MSY?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ISP to MSY. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from MacArthur Airport (ISP) to Louis Armstrong New Orleans Intl. Airport (MSY)?
Direct flights from MacArthur Airport (ISP) to Louis Armstrong New Orleans Intl. Airport (MSY) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ISP to MSY?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary based 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 MacArthur Airport (ISP) to Louis Armstrong New Orleans Intl. Airport (MSY)?
Choose a flight from MacArthur Airport (ISP) to Louis Armstrong New Orleans Intl. Airport (MSY) that takes off before 3 PM to reduce the risk of cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 MacArthur Airport (ISP) to Louis Armstrong New Orleans Intl. Airport (MSY) last-minute?
Booking your plane ticket from ISP to MSY just before your journey is generally more expensive. However, if there's some wiggle room with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book an ISP to MSY flight and hotel package?
Securing an ISP to MSY flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our extensive range of hotels 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 MacArthur Airport (ISP) to Louis Armstrong New Orleans Intl. Airport (MSY)?
It's usually possible to cancel or reschedule your ISP to MSY flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.