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$67+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MSY
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Islip to Louisiana

Keep the following information in mind while searching for Islip to Louisiana flight deals. Data was last updated June 12, 2025.

Round-trip from

$170
(CheapOair)

One-way from

$85
(CheapOair)

Popular in

April

Cheapest in

September

Average price

$235
From Islip Long Island to Louisiana
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One-way flight from Islip Long Island to Louisiana
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Highest demand for flights based on searches. 9% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This CheapOair deal was found by Cheapflights users on 6/9. 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.
Wed 8/62:55 pmISP - MSY
1 stop4h 34mBreeze Airways
Wed 8/139:00 amMSY - ISP
1 stop4h 15mBreeze Airways
Deal found 6/9$170
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/104:00 pmISP - MSY
1 stop5h 25mSouthwest
Sat 9/133:45 pmMSY - ISP
1 stop4h 55mSouthwest
Deal found 6/9$342
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/276:00 amISP - MSY
2 stops11h 18mFrontier
Fri 8/19:41 amMSY - ISP
1 stop9h 01mFrontier
Deal found 6/11$401
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/252:55 pmISP - MSY
1 stop20h 21mMultiple Airlines
Sun 6/296:07 pmMSY - ISP
2 stops14h 57mMultiple Airlines
Deal found 6/10$471

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 June 12, 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

Wed 8/6

2:55 pm-6:29 pm

1 stop4h 34m

New Orleans Louis Armstrong

Wed 8/13

9:00 am-2:15 pm

1 stop4h 15m

$170

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Wed 9/10

4:00 pm-8:25 pm

1 stop5h 25m

New Orleans Louis Armstrong

Sat 9/13

3:45 pm-9:40 pm

1 stop4h 55m

$342

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Sun 7/27

6:00 am-4:18 pm

2 stops11h 18m

New Orleans Louis Armstrong

Fri 8/1

9:41 am-7:42 pm

1 stop9h 01m

$401

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Wed 6/25

2:55 pm-10:16 am

1 stop20h 21m

New Orleans Louis Armstrong

Sun 6/29

6:07 pm-10:04 am

2 stops14h 57m

$471

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Wed 7/9

2:55 pm-6:29 pm

1 stop4h 34m

$67

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Sun 7/20

6:00 am-10:05 am

1 stop5h 05m

$194

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Sun 7/20

7:39 pm-8:39 pm

3 stops26h 00m

$353

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Wed 7/2

8:21 pm-5:06 pm

2 stops21h 45m

$381

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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, August is the cheapest month in which you can book a flight from Islip, New York to Louisiana (average of $256). Flying from Islip, New York to Louisiana 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 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Louisiana as you normally would.

Rainfall in Louisiana by month

Plan your trip to Louisiana by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisiana ranges from 3.3 - 6.4 inches per month. June is typically the wettest month, when rainfall can reach 6.4 in. October is typically the driest time to visit Louisiana when rainfall is around 3.3 in.

Temperature in Louisiana by month

Plan your trip to Louisiana by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisiana, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
See what other customers who have flown with Breeze Airways, Southwest and Frontier from Islip to Louisiana have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
178 reviews

Boarding

8.3

Food

6.7

Crew

8.8

Comfort

8.2

Overall

8.1

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
178 reviews
Breeze Airways
8.1
Very good
178 reviews

Boarding

8.3

Food

6.7

Crew

8.8

Comfort

8.2

Overall

8.1

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,287 reviews
Breeze Airways
8.1
Very good
178 reviews

Boarding

8.3

Food

6.7

Crew

8.8

Comfort

8.2

Overall

8.1

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Frontier
5.9
Fair
3,295 reviews
Breeze Airways
8.1
Very good
178 reviews

Boarding

8.3

Food

6.7

Crew

8.8

Comfort

8.2

Overall

8.1

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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.

  • What are the cheapest airlines to fly from Islip, New York to Louisiana one-way?

    For one-way options, check prices for Breeze Airways. According to our data, you can fly for as low as $85. Users have also found prices from $194 and $381 on Southwest and Frontier, respectively.

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

    While some choose either Islip Long Island - Baton Rouge Ryan or Islip Long Island - Lafayette Regional, 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, August is the cheapest month in which you can book a flight from Islip, New York to Louisiana (average of $256). Flying from Islip, New York to Louisiana 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$185Average$319FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$357Average$506FlexibilityNo cancel feeOn-time63%

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