HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisiana

$45+ 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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MSY
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to Louisiana with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$159
(CheapOair)

One-way from

$45
(CheapOair)

Popular in

October

Cheapest in

September

Average price

$267
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
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 21, 2025.

This CheapOair deal was found by Cheapflights users on 3/20. 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.
Sat 3/222:35 pmISP - MSY
1 stop4h 51mBreeze Airways
Wed 3/268:30 amMSY - ISP
1 stop4h 25mBreeze Airways
Deal found 3/20$130
This JetBlue deal was found by Cheapflights users on 3/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/36:00 amISP - MSY
1 stop6h 15mJetBlue
Fri 6/612:00 pmMSY - ISP
1 stop8h 08mJetBlue
Deal found 3/20$233
This Priceline deal was found by Cheapflights users on 3/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/179:00 amISP - MSY
1 stop8h 08mMultiple Airlines
Thu 4/247:00 amMSY - ISP
1 stop4h 16mMultiple Airlines
Deal found 3/20$282
This Frontier deal was found by Cheapflights users on 3/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/49:00 amISP - MSY
1 stop6h 14mFrontier
Tue 4/81:32 pmMSY - ISP
1 stop5h 37mFrontier
Deal found 3/19$298
This Southwest deal was found by Cheapflights users on 3/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1712:30 pmISP - MSY
1 stop5h 45mSouthwest
Thu 4/242:20 pmMSY - ISP
2 stops7h 45mSouthwest
Deal found 3/20$368

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 March 21, 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

Sat 4/19

2:35 pm-6:26 pm

1 stop4h 51m

New Orleans Louis Armstrong

Sat 4/26

8:30 am-1:55 pm

1 stop4h 25m

$159

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Tue 6/3

6:00 am-11:15 am

1 stop6h 15m

New Orleans Louis Armstrong

Fri 6/6

12:00 pm-9:08 pm

1 stop8h 08m

$233

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Thu 4/17

9:00 am-4:08 pm

1 stop8h 08m

New Orleans Louis Armstrong

Thu 4/24

7:00 am-12:16 pm

1 stop4h 16m

$282

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 4/4

9:00 am-2:14 pm

1 stop6h 14m

New Orleans Louis Armstrong

Tue 4/8

1:32 pm-8:09 pm

1 stop5h 37m

$298

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Thu 4/17

12:30 pm-5:15 pm

1 stop5h 45m

New Orleans Louis Armstrong

Thu 4/24

2:20 pm-11:05 pm

2 stops7h 45m

$368

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Sat 3/29

2:35 pm-6:26 pm

1 stop4h 51m

$45

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Mon 4/7

9:10 am-2:14 pm

1 stop6h 04m

$149

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Mon 4/7

6:00 am-12:50 pm

2 stops7h 50m

$229

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 5/2

6:00 am-11:22 am

1 stop6h 22m

$261

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Mon 4/7

12:56 pm-8:03 am

3 stops44h 07m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

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 March 21, 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 March 21, 2025.
Southwest
8.1
Very good
4,281 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,281 reviews
Southwest
8.1
Very good
4,281 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Breeze Airways
8.0
Very good
156 reviews
Southwest
8.1
Very good
4,281 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,937 reviews
Southwest
8.1
Very good
4,281 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
6.0
Okay
3,272 reviews
Southwest
8.1
Very good
4,281 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $45. Users have also found prices from $149 and $229 on Frontier and Southwest, 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Islip to Louisiana

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Fort Lauderdale flights
LaGuardia to Miami flights
LaGuardia to Fort Lauderdale flights
John F Kennedy Intl to Miami flights
Newark to Miami flights
Newark to Orlando flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Las Vegas flights
John F Kennedy Intl to Las Vegas flights
Newark to Los Angeles flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Orlando flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to West Palm Beach flights
John F Kennedy Intl to San Francisco flights
Newark to Hobby flights
Newark to Tampa flights
John F Kennedy Intl to Dallas/Fort Worth flights
Newark to Seattle flights
LaGuardia to Orlando flights
LaGuardia to O'Hare Intl flights
John F Kennedy Intl to O'Hare Intl flights
LaGuardia to Atlanta flights
John F Kennedy Intl to Austin flights
LaGuardia to Los Angeles flights
Newark to O'Hare Intl flights
LaGuardia to Las Vegas flights
LaGuardia to Hobby flights
John F Kennedy Intl to Seattle flights
John F Kennedy Intl to Hobby flights
Newark to Sky Harbor Intl flights
Newark to West Palm Beach flights
John F Kennedy Intl to Denver flights
John F Kennedy Intl to Sky Harbor Intl flights
Newark to New Orleans flights
Newark to George Bush Intcntl flights
LaGuardia to New Orleans flights
John F Kennedy Intl to Nashville flights
John F Kennedy Intl to Atlanta flights
John F Kennedy Intl to New Orleans flights
Newark to Denver flights
LaGuardia to Nashville flights
John F Kennedy Intl to George Bush Intcntl flights
John F Kennedy Intl to Tampa flights
Newark to Atlanta flights
Newark to San Francisco flights
LaGuardia to Denver flights
Newark to Austin flights
Newark to Burbank flights

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 March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$183Average$323FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$362Average$586FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.