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$73+ Cheap flights from Islip, NY (ISP) to Louisiana

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MSY
Jan 19 — Jan 261
Mon 1/19
Mon 1/26
1 adult, Economy
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Cheap flight deals from Islip to Louisiana

Cheapest flights from Islip to Louisiana
Explore the most affordable flight options available from Islip to Louisiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 20, 2025.

This CheapOair deal was found by Cheapflights users on 12/19. 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 12/252:19 pmISP - MSY
1 stop4h 52mBreeze Airways
Tue 12/307:00 amMSY - ISP
1 stop11h 42mBreeze Airways
Deal found 12/19$313
This CheapOair deal was found by Cheapflights users on 12/19. 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 12/252:19 pmISP - MSY
1 stop4h 52mBreeze Airways
Thu 1/18:30 amMSY - ISP
1 stop4h 09mBreeze Airways
Deal found 12/19$372
This CheapOair deal was found by Cheapflights users on 12/18. 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 12/292:25 pmISP - MSY
1 stop4h 45mBreeze Airways
Tue 12/307:00 amMSY - ISP
1 stop11h 42mBreeze Airways
Deal found 12/18$382
This CheapOair deal was found by Cheapflights users on 12/19. 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 12/19$392
This CheapOair deal was found by Cheapflights users on 12/19. 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 12/252:19 pmISP - MSY
1 stop4h 52mBreeze Airways
Sat 12/278:30 amMSY - ISP
1 stop4h 09mBreeze Airways
Deal found 12/19$407
This CheapOair deal was found by Cheapflights users on 12/19. 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.
Tue 12/232:19 pmISP - MSY
1 stop4h 52mBreeze Airways
Thu 12/258:30 amMSY - ISP
1 stop4h 09mBreeze Airways
Deal found 12/19$409
This CheapOair deal was found by Cheapflights users on 12/20. 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 12/262:25 pmISP - MSY
1 stop4h 45mBreeze Airways
Tue 12/307:00 amMSY - ISP
1 stop11h 42mBreeze Airways
Deal found 12/20$420
This CheapOair deal was found by Cheapflights users on 12/18. 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 12/282:19 pmISP - MSY
1 stop4h 52mBreeze Airways
Tue 12/307:00 amMSY - ISP
1 stop11h 42mBreeze Airways
Deal found 12/18$423

Find flight deals from Islip to Louisiana

Keep the following information in mind while searching for Islip to Louisiana flight deals. Data was last updated December 20, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$140
(Breeze Airways)

One-way from

$73
(CheapOair)

Popular in

April

Cheapest in

September

Average price

$297
Provider with most accurate pricing for New York (NYC)-New Orleans Louis Armstrong flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-New Orleans Louis Armstrong flights.
Search Deals
From Islip Long Island to Louisiana
Search Deals
One-way flight from Islip Long Island to Louisiana
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Louisiana 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 December 20, 2025.
Use the filters below to find and compare flights from Islip to Louisiana that are best for you.

Fly from

Islip

Fly to

Louisiana

Route

Depart

Return

Price

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Mon 2/2

2:01 pm-5:52 pm

1 stop4h 51m

New Orleans Louis Armstrong

Sat 2/7

9:00 am-6:55 pm

1 stop8h 55m

$140

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Mon 2/9

2:31 pm-6:22 pm

1 stop4h 51m

New Orleans Louis Armstrong

Wed 2/11

8:00 am-6:55 pm

1 stop9h 55m

$148

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

8:36 pm-10:46 pm

1 stop25h 10m

$159

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Mon 2/16

2:31 pm-6:22 pm

1 stop4h 51m

New Orleans Louis Armstrong

Fri 2/20

8:15 am-1:31 pm

1 stop4h 16m

$161

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 1/23

7:33 pm-6:47 pm

1 stop24h 14m

New Orleans Louis Armstrong

Mon 1/26

10:01 am-6:48 pm

1 stop7h 47m

$170

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 1/30

2:01 pm-5:52 pm

1 stop4h 51m

New Orleans Louis Armstrong

Mon 2/2

8:05 am-1:21 pm

1 stop4h 16m

$173

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 1/23

2:01 pm-5:52 pm

1 stop4h 51m

New Orleans Louis Armstrong

Mon 2/2

8:05 am-1:21 pm

1 stop4h 16m

$178

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Mon 1/12

2:01 pm-5:52 pm

1 stop4h 51m

$73

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 2/20

2:31 pm-6:22 pm

1 stop4h 51m

$75

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 1/30

2:01 pm-5:52 pm

1 stop4h 51m

$87

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 15 results
1
2

Best time to book a flight from Islip to Louisiana

Have a flexible travel schedule? Discover the best time to fly to Louisiana 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 Louisiana

What is the cheapest month to book a flight from Islip, New York to Louisiana?

Currently, September is the cheapest month in which you can book a flight from Islip, New York to Louisiana (average of $69). Flying from Islip, New York to Louisiana in July is currently the most expensive (average of $105). 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 LA?

Find hourly flight availability from Islip to Louisiana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Islip, New York to Louisiana in the afternoon. If you’re flexible enough to do this you can expect to save up to 43% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Islip, New York to Louisiana?

Reviews of airlines servicing Louisiana

Get insights into the airlines that provide service to Louisiana. 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 Louisiana. Reviews last updated December 20, 2025.
Peruse reviews from past customers who have flown with Breeze Airways and Southwest from Islip to Louisiana to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.2
Very good
248 reviews

Entertainment

6.7

Overall

8.2

Crew

8.8

Boarding

8.4

Comfort

8.2

Food

6.7

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.
Breeze Airways
8.2
Very good
248 reviews
Breeze Airways
8.2
Very good
248 reviews

Entertainment

6.7

Overall

8.2

Crew

8.8

Boarding

8.4

Comfort

8.2

Food

6.7

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.
Southwest
8.0
Very good
4,258 reviews
Breeze Airways
8.2
Very good
248 reviews

Entertainment

6.7

Overall

8.2

Crew

8.8

Boarding

8.4

Comfort

8.2

Food

6.7

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.

Related info for your journey

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

  • What airport do you fly from for flights from Islip to Louisiana?

    For a flight from Islip to Louisiana, you will be flying from Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city.

  • How long is the flight from Islip, New York to Louisiana?

    Airlines like Breeze Airways fly from Islip, New York to Louisiana in about 4h 51m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1217 mi.

  • What are the most popular routes from Islip, New York to Louisiana?

    While some choose either Islip Long Island - Alexandria or Islip Long Island - Baton Rouge Ryan, Islip Long Island - New Orleans Louis Armstrong is the most popular route from Islip, New York to Louisiana.

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

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

  • How can I find direct flights from Islip to Louisiana?

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

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

    Yes. Cheapflights offers flight deals from Islip to Louisiana 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, New York to Louisiana?

    Currently, September is the cheapest month in which you can book a flight from Islip, New York to Louisiana (average of $69). Flying from Islip, New York to Louisiana in July is currently the most expensive (average of $105). 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

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Top 2 airlines flying from Islip to Louisiana

Discover the top 2 airlines that operate flights from Islip to Louisiana. 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 December 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$175Average$408FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$338Average$586FlexibilityNo cancel feeOn-time63%

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