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

Flying on Breeze Airways is currently your cheapest option to New Orleans, with prices starting at $153. Additional round-trip tickets that might be worth considering are offered by Frontier and Southwest, with the lowest prices starting at $311 and $346, respectively. Users have found that Breeze Airways is 65% cheaper than the other options available to this destination.

What is the cheapest day to fly from Islip, New York to New Orleans?

Travelers seeking maximum savings on their Islip, New York to New Orleans flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in New Orleans 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 New Orleans when rainfall is around 3.3 in.

If weather is an important factor for your trip to New Orleans, 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).

What is the cheapest day to fly round-trip from Islip, New York to New Orleans?

Leaving on a Sunday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 69% on the overall cost on flights from Islip, New York to New Orleans.

How far in advance should I book a flight from Islip, New York to New Orleans?

Find a great deal and save up to 58% by booking at least 56 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Islip, New York to New Orleans within the next two weeks, with the cheapest ticket starting at $259.

What is the cheapest month to fly from Islip, New York to New Orleans?

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, September can be a great choice for travel to New Orleans. Flights to New Orleans from Islip, New York in September are about $267 on average during September, but can be found for as low as $68.

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.

$73+ Flights from Islip, NY to New Orleans

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Cheap flight deals from Islip to New Orleans

Round-trip from	$153 (CheapOair)
One-way from	$73 (CheapOair)
Popular in	May
Cheapest in	August
Average price	$694

From Islip Long Island to New Orleans Louis Armstrong

Search Deals

One-way flight from Islip Long Island to New Orleans Louis Armstrong

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($33 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 3, 2025.

Fri 9/52:25 pmISP - MSY

1 stop4h 45mBreeze Airways

Sun 9/78:30 amMSY - ISP

1 stop4h 09mBreeze Airways

Deal found 7/2

$153

Sat 7/128:37 pmISP - MSY

2 stops21h 27mFrontier

Fri 7/189:41 amMSY - ISP

1 stop9h 01mFrontier

Deal found 7/1

$311

Sat 8/912:15 pmISP - MSY

1 stop8h 15mSouthwest

Tue 8/123:55 pmMSY - ISP

1 stop5h 10mSouthwest

Deal found 7/1

$346

Best flights from Islip to New Orleans
Discover carefully curated flight deals from Islip to New Orleans that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Fri 9/52:25 pmISP - MSY

1 stop4h 45mBreeze Airways

Sun 9/78:30 amMSY - ISP

1 stop4h 09mBreeze Airways

Deal found 7/2

$153

Sat 7/128:37 pmISP - MSY

2 stops21h 27mFrontier

Fri 7/189:41 amMSY - ISP

1 stop9h 01mFrontier

Deal found 7/1

$311

Sat 8/912:15 pmISP - MSY

1 stop8h 15mSouthwest

Tue 8/123:55 pmMSY - ISP

1 stop5h 10mSouthwest

Deal found 7/1

$346

Last-minute flights from Islip to New Orleans
Discover last-minute flight deals from Islip to New Orleans. Data last updated July 3, 2025 and is based on user searches.

Wed 7/92:55 pmISP - MSY

1 stop4h 34mBreeze Airways

Wed 7/169:00 amMSY - ISP

1 stop4h 15mBreeze Airways

Deal found 7/1

$306

Fri 7/1110:44 amISP - MSY

2 stops10h 55mMultiple Airlines

Sun 7/138:15 pmMSY - ISP

2 stops18h 06mMultiple Airlines

Deal found 7/2

$737

Sat 7/128:37 pmISP - MSY

2 stops21h 27mFrontier

Fri 7/189:41 amMSY - ISP

1 stop9h 01mFrontier

Deal found 7/1

$311

Sat 7/126:00 amISP - MSY

1 stop5h 35mSouthwest

Fri 7/183:30 pmMSY - ISP

1 stop5h 40mSouthwest

Deal found 7/1

$627

Sun 7/276:00 amISP - MSY

1 stop14h 22mMultiple Airlines

Sun 8/35:47 pmMSY - ISP

2 stops15h 17mMultiple Airlines

Deal found 7/3

$525

Sat 8/912:15 pmISP - MSY

1 stop8h 15mSouthwest

Tue 8/123:55 pmMSY - ISP

1 stop5h 10mSouthwest

Deal found 7/1

$346

Fri 8/293:59 pmISP - MSY

1 stop4h 38mBreeze Airways

Fri 9/58:30 amMSY - ISP

1 stop4h 15mBreeze Airways

Deal found 7/2

$157

One-way flights from Islip to New Orleans
Search for one-way flight options from Islip to New Orleans. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Mon 9/82:25 pmISP - MSY

1 stop4h 45mBreeze Airways

Deal found 7/1

$73

Fri 8/223:05 pmISP - MSY

2 stops8h 20mSouthwest

Deal found 7/1

$194

Thu 8/147:39 pmISP - MSY

3 stops27h 49mMultiple Airlines

Deal found 7/3

$308

Cheapflights Fare Finder

Use the filters below to find and compare flights from Islip to New Orleans that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 9/5

2:25 pm-6:10 pm

1 stop4h 45m

New Orleans Louis Armstrong

Sun 9/7

8:30 am-1:39 pm

1 stop4h 09m

$153

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Sat 7/12

8:37 pm-5:04 pm

2 stops21h 27m

New Orleans Louis Armstrong

Fri 7/18

9:41 am-7:42 pm

1 stop9h 01m

$311

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Sat 8/9

12:15 pm-7:30 pm

1 stop8h 15m

New Orleans Louis Armstrong

Tue 8/12

3:55 pm-10:05 pm

1 stop5h 10m

$346

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Mon 9/8

2:25 pm-6:10 pm

1 stop4h 45m

$73

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 8/22

3:05 pm-10:25 pm

2 stops8h 20m

$194

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 8/22

10:36 am-2:10 pm

3 stops28h 34m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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, New York to New Orleans?

Currently, August is the cheapest month in which you can book a flight from Islip, New York to New Orleans (average of $256). Flying from Islip, New York 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?

It’s typically best to fly out from Islip, New York 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

See what other customers who have flown with Breeze Airways, Southwest, and Frontier 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.

Breeze Airways

8.1

Very good

183 reviews

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

183 reviews

Breeze Airways

8.1

Very good

183 reviews

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

4,266 reviews

Breeze Airways

8.1

Very good

183 reviews

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

3,286 reviews

Breeze Airways

8.1

Very good

183 reviews

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

What are the cheapest airlines flying from Islip, New York to New Orleans round-trip?
Flying on Breeze Airways is currently your cheapest option to New Orleans, with prices starting at $153. Additional round-trip tickets that might be worth considering are offered by Frontier and Southwest, with the lowest prices starting at $311 and $346, respectively. Users have found that Breeze Airways is 65% cheaper than the other options available to this destination.
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, New York to New Orleans?
Currently, August is the cheapest month in which you can book a flight from Islip, New York to New Orleans (average of $256). Flying from Islip, New York 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

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Other flights to New Orleans

Top 2 airlines flying from Islip to New Orleans

Airline	Cheapest	Average	Flexibility	On-time
Breeze Airways	Cheapest$185	Average$319	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$357	Average$506	FlexibilityNo cancel fee	On-time63%

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$73+ Cheap flights from Islip, NY 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Islip to New Orleans with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Islip to New Orleans

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Islip to New Orleans

Cheapest flights from Islip to New OrleansExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Islip to New Orleans that are best for you.

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.

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, New York to New Orleans?

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 July 3, 2025.

Reviews of airlines servicing New Orleans

See what other customers who have flown with Breeze Airways, Southwest, and Frontier 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.

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.

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

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

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

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

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

Traveling to a place near Islip?

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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.

Top 2 airlines flying from Islip to New Orleans

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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 July 3, 2025.