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$70+ Cheap flights from Islip to New Orleans (ISP - MSY)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MSY
Oct 18 — Oct 251
Sat 10/18
Sat 10/25
1 adult, Economy
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Cheap flight deals from Islip to New Orleans

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to New Orleans (MSY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 18, 2025.

Round-trip from

$159
(CheapOair)

One-way from

$70
(CheapOair)

Popular in

May

Cheapest in

August

Average price

$520
From Islip Long Island to New Orleans Louis Armstrong
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One-way flight from Islip Long Island to New Orleans Louis Armstrong
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Highest demand for flights based on searches. 8% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Islip to New Orleans

Cheapest flights from Islip to New Orleans
Explore the most affordable flight options available from Islip to New Orleans. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2025.

This CheapOair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/162:19 pmISP - MSY
1 stop4h 52mBreeze Airways
Thu 11/208:30 amMSY - ISP
1 stop4h 09mBreeze Airways
Deal found 9/17$159
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:25 pmISP - MSY
1 stop4h 45mBreeze Airways
Mon 12/88:30 amMSY - ISP
1 stop4h 15mBreeze Airways
Deal found 9/16$182
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/122:19 pmISP - MSY
1 stop4h 52mBreeze Airways
Thu 10/168:30 amMSY - ISP
1 stop4h 09mBreeze Airways
Deal found 9/16$184
This CheapOair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:19 pmISP - MSY
1 stop4h 52mBreeze Airways
Mon 12/88:30 amMSY - ISP
1 stop4h 15mBreeze Airways
Deal found 9/15$187
This CheapOair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/82:25 pmISP - MSY
1 stop4h 45mBreeze Airways
Thu 12/118:30 amMSY - ISP
1 stop4h 09mBreeze Airways
Deal found 9/17$212
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/212:19 pmISP - MSY
1 stop4h 52mBreeze Airways
Thu 12/258:30 amMSY - ISP
1 stop4h 09mBreeze Airways
Deal found 9/16$266
This CheapOair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/292:25 pmISP - MSY
1 stop4h 45mBreeze Airways
Thu 10/28:30 amMSY - ISP
1 stop4h 09mBreeze Airways
Deal found 9/17$273
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:19 pmISP - MSY
1 stop4h 52mBreeze Airways
Sat 12/208:30 amMSY - ISP
1 stop4h 09mBreeze Airways
Deal found 9/16$287
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:25 pmISP - MSY
1 stop4h 45mBreeze Airways
Sun 12/78:30 amMSY - ISP
1 stop4h 09mBreeze Airways
Deal found 9/16$290
This CheapOair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:19 pmISP - MSY
1 stop4h 52mBreeze Airways
Sun 12/78:30 amMSY - ISP
1 stop4h 09mBreeze Airways
Deal found 9/17$293
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/282:25 pmISP - MSY
1 stop4h 45mBreeze Airways
Fri 12/58:30 amMSY - ISP
1 stop4h 15mBreeze Airways
Deal found 9/16$313

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to New Orleans that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 18, 2025.
Use the filters below to find and compare flights from Islip to New Orleans that are best for you.

Fly from

Islip

Fly to

New Orleans

Route

Depart

Return

Price

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 1/9

2:01 pm-5:52 pm

1 stop4h 51m

New Orleans Louis Armstrong

Mon 1/12

8:05 am-1:21 pm

1 stop4h 16m

$140

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 12/5

2:25 pm-6:10 pm

1 stop4h 45m

New Orleans Louis Armstrong

Mon 12/8

8:30 am-1:45 pm

1 stop4h 15m

$182

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Thu 12/4

2:19 pm-6:11 pm

1 stop4h 52m

New Orleans Louis Armstrong

Mon 12/8

8:30 am-1:45 pm

1 stop4h 15m

$187

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Thu 12/4

2:19 pm-6:11 pm

1 stop4h 52m

New Orleans Louis Armstrong

Sun 12/7

8:30 am-1:39 pm

1 stop4h 09m

$255

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Sun 12/21

2:19 pm-6:11 pm

1 stop4h 52m

New Orleans Louis Armstrong

Thu 12/25

8:30 am-1:39 pm

1 stop4h 09m

$266

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Sun 12/14

2:19 pm-6:11 pm

1 stop4h 52m

New Orleans Louis Armstrong

Sat 12/20

8:30 am-1:39 pm

1 stop4h 09m

$287

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 3/6

2:21 pm-6:12 pm

1 stop4h 51m

New Orleans Louis Armstrong

Mon 3/9

8:15 am-1:31 pm

1 stop4h 16m

$295

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 10/31

2:25 pm-6:10 pm

1 stop4h 45m

New Orleans Louis Armstrong

Mon 11/3

8:30 am-1:45 pm

1 stop4h 15m

$301

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Sun 11/23

2:19 pm-6:11 pm

1 stop4h 52m

New Orleans Louis Armstrong

Fri 11/28

8:30 am-1:45 pm

1 stop4h 15m

$318

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Thu 10/30

2:19 pm-6:11 pm

1 stop4h 52m

New Orleans Louis Armstrong

Fri 10/31

8:30 am-1:45 pm

1 stop4h 15m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 19 results
1
2

Best time to book a flight from Islip to New Orleans

Have a flexible travel schedule? Discover the best time to fly to New Orleans from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Islip to New Orleans

What is the cheapest month to book a flight from Islip to New Orleans?

Currently, August is the cheapest month in which you can book a flight from Islip to New Orleans (average of $256). Flying from Islip to New Orleans in April is currently the most expensive (average of $343). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ISP to MSY?

Find hourly flight availability from Islip to New Orleans. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 18, 2025.

It’s typically best to fly out from Islip to New Orleans at noon. Doing so could potentially save you 9% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing New Orleans

Get insights into the airlines that provide service to New Orleans. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Orleans. Reviews last updated September 18, 2025.
See what other customers who have flown with Southwest and Breeze Airways from Islip to New Orleans have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Breeze Airways
8.0
Very good
207 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Islip to New Orleans. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Islip to New Orleans?

    There are many flights that can get you from Islip to New Orleans in 4h 51m. Fly via Breeze Airways to get the fastest option. There are 1217 mi between Islip and New Orleans.

  • What are the cheapest airlines flying from Islip to New Orleans round-trip?

    Breeze Airways, at $175, was found to be the cheapest airline from Islip to New Orleans. An alternate airline flying to your destination would be Southwest. You may be able to fly from Islip to New Orleans for 60% less than the average price by searching for these airlines.

  • Can I find deals for flights from Islip to New Orleans that include hotel bookings?

    Yes. In addition to deals on Islip to New Orleans flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to New Orleans?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to New Orleans.

  • Can I find deals for business class flights from Islip to New Orleans?

    Yes. Cheapflights offers flight deals from Islip to New Orleans by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip to New Orleans?

    Currently, August is the cheapest month in which you can book a flight from Islip to New Orleans (average of $256). Flying from Islip to New Orleans in April is currently the most expensive (average of $343). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near New Orleans?

Book flights to New Orleans if you plan to visit one of these locations
Metairie
Kenner
Slidell
Houma
Covington
Thibodaux
Gretna
Hammond
Gonzales

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Alternative routes for Islip to New Orleans

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Islip to New Orleans

Discover the top 2 airlines that operate flights from Islip to New Orleans. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$175Average$383FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$357Average$586FlexibilityNo cancel feeOn-time63%

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