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Cheap flights from Islip to Louisiana from $69

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip to Louisiana departing on 11/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Islip to Louisiana

Cheap round-trip flights

Breeze Airways Logo
2:19 pm - 6:11 pmISP-MSY
4h 52m1 stop
Breeze Airways Logo
8:30 am - 1:45 pmMSY-ISP
4h 15m1 stop
$163Breeze Airways
Find Deal
Thu, Dec 4 - Mon, Dec 8
Breeze Airways Logo
2:19 pm - 6:11 pmISP-MSY
4h 52m1 stop
Breeze Airways Logo
8:30 am - 1:45 pmMSY-ISP
4h 15m1 stop
$186Breeze Airways
Find Deal
Thu, Jan 1 - Mon, Jan 5
Breeze Airways Logo
2:21 pm - 6:12 pmISP-MSY
4h 51m1 stop
Breeze Airways Logo
9:20 am - 6:46 pmMSY-ISP
8h 26m1 stop
$203Breeze Airways
Find Deal
Mon, Mar 2 - Thu, Mar 5
Breeze Airways Logo
2:21 pm - 6:12 pmISP-MSY
4h 51m1 stop
Breeze Airways Logo
9:20 am - 6:46 pmMSY-ISP
8h 26m1 stop
$210Breeze Airways
Find Deal
Mon, Feb 23 - Thu, Feb 26
Frontier Logo
6:37 pm - 4:57 pmISP-MSY
23h 20m1 stop
Frontier Logo
1:24 pm - 10:37 amMSY-ISP
20h 13m1 stop
$212Frontier
Find Deal
Thu, Nov 13 - Sun, Nov 16
Multiple Airlines Logo
6:27 pm - 10:37 pmISP-MSY
29h 10m1 stop
Multiple Airlines Logo
8:50 pm - 10:37 amMSY-ISP
12h 47m1 stop
$218Multiple Airlines
Find Deal
Tue, Oct 28 - Thu, Oct 30
Multiple Airlines Logo
6:27 pm - 5:05 pmISP-MSY
23h 38m2 stops
Multiple Airlines Logo
8:50 pm - 10:37 amMSY-ISP
12h 47m1 stop
$255Multiple Airlines
Find Deal
Tue, Oct 28 - Thu, Oct 30
Frontier Logo
11:22 am - 8:33 pmISP-MSY
10h 11m2 stops
Frontier Logo
9:28 pm - 8:42 pmMSY-ISP
22h 14m2 stops
$277Frontier
Find Deal
Fri, Oct 17 - Mon, Oct 20
Southwest Logo
4:55 pm - 10:30 pmISP-MSY
6h 35m2 stops
Southwest Logo
2:30 pm - 11:45 pmMSY-ISP
8h 15m2 stops
$341Southwest
Find Deal
Tue, Oct 28 - Thu, Oct 30
Southwest Logo
1:40 pm - 9:35 pmISP-MSY
8h 55m2 stops
Southwest Logo
1:35 pm - 9:45 pmMSY-ISP
7h 10m2 stops
$406Southwest
Find Deal
Fri, Nov 14 - Sat, Nov 15

Breeze Airways flights from Islip to Louisiana

Our best Breeze Airways deals on Islip to Louisiana flight tickets
Breeze Airways
Dec 4
ISP2:19 pmIslip Long Island
4h 52m
1 stop
MSY6:11 pmNew Orleans Louis Armstrong
Dec 8
MSY8:30 amNew Orleans Louis Armstrong
4h 15m
1 stop
ISP1:45 pmIslip Long Island
$163
Find similar
Breeze Airways
Jan 1
ISP2:19 pmIslip Long Island
4h 52m
1 stop
MSY6:11 pmNew Orleans Louis Armstrong
Jan 5
MSY8:30 amNew Orleans Louis Armstrong
4h 15m
1 stop
ISP1:45 pmIslip Long Island
$186
Find similar
Breeze Airways
Mar 2
ISP2:21 pmIslip Long Island
4h 51m
1 stop
MSY6:12 pmNew Orleans Louis Armstrong
Mar 5
MSY9:20 amNew Orleans Louis Armstrong
8h 26m
1 stop
ISP6:46 pmIslip Long Island
$203
Find similar

Frontier flights from Islip to Louisiana

Our best Frontier deals on Islip to Louisiana flight tickets
Frontier
Nov 13
ISP6:37 pmIslip Long Island
23h 20m
1 stop
MSY4:57 pmNew Orleans Louis Armstrong
Nov 16
MSY1:24 pmNew Orleans Louis Armstrong
20h 13m
1 stop
ISP10:37 amIslip Long Island
$212
Find similar
Frontier
Oct 17
ISP11:22 amIslip Long Island
10h 11m
2 stops
MSY8:33 pmNew Orleans Louis Armstrong
Oct 20
MSY9:28 pmNew Orleans Louis Armstrong
22h 14m
2 stops
ISP8:42 pmIslip Long Island
$277
Find similar
Frontier
Sep 27
ISP11:40 amIslip Long Island
33h 32m
2 stops
MSY8:12 pmNew Orleans Louis Armstrong
Sep 29
MSY7:42 pmNew Orleans Louis Armstrong
37h 58m
2 stops
ISP10:40 amIslip Long Island
$339
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 25, 2025.
Use the filters below to find and compare flights from Islip to Louisiana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

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

$163

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Thu 1/1

2:19 pm-6:11 pm

1 stop4h 52m

New Orleans Louis Armstrong

Mon 1/5

8:30 am-1:45 pm

1 stop4h 15m

$186

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Mon 3/2

2:21 pm-6:12 pm

1 stop4h 51m

New Orleans Louis Armstrong

Thu 3/5

9:20 am-6:46 pm

1 stop8h 26m

$203

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Mon 2/23

2:21 pm-6:12 pm

1 stop4h 51m

New Orleans Louis Armstrong

Thu 2/26

9:20 am-6:46 pm

1 stop8h 26m

$210

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Thu 11/13

6:37 pm-4:57 pm

1 stop23h 20m

New Orleans Louis Armstrong

Sun 11/16

1:24 pm-10:37 am

1 stop20h 13m

$212

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Tue 10/28

6:27 pm-10:37 pm

1 stop29h 10m

New Orleans Louis Armstrong

Thu 10/30

8:50 pm-10:37 am

1 stop12h 47m

$218

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Tue 10/28

6:27 pm-5:05 pm

2 stops23h 38m

New Orleans Louis Armstrong

Thu 10/30

8:50 pm-10:37 am

1 stop12h 47m

$255

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 10/17

11:22 am-8:33 pm

2 stops10h 11m

New Orleans Louis Armstrong

Mon 10/20

9:28 pm-8:42 pm

2 stops22h 14m

$277

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Tue 10/28

4:55 pm-10:30 pm

2 stops6h 35m

New Orleans Louis Armstrong

Thu 10/30

2:30 pm-11:45 pm

2 stops8h 15m

$341

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 11/14

1:40 pm-9:35 pm

2 stops8h 55m

New Orleans Louis Armstrong

Sat 11/15

1:35 pm-9:45 pm

2 stops7h 10m

$406

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Louisiana from

How to get the cheapest flight ticket from Islip to Louisiana

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Louisiana?

In general, August is the cheapest month to fly from Islip to Louisiana. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $158. The month of June is another great option to travel to Louisiana, with average flight prices from Islip averaging around $219.

What is the cheapest day to depart on your flight to Louisiana?

According to our data, Monday is the cheapest day to fly to Louisiana from Islip. The lowest ticket price found for a Monday departure recently was $235. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Louisiana on Tuesday is $398.

What is the cheapest time of day to depart on your flight to Louisiana?

The cheapest time of day to fly to Louisiana is in the afternoon when flights can be purchased for as low as $385. In contrast, the most expensive time of day to depart to Louisiana is in the morning when prices are around $421.

Cheap Islip to Louisiana flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip to Louisiana

Direct flights

None
There are no direct flights from Islip to Louisiana. There are no popular flight routes from Islip to Louisiana.
Search flight deals

  • When did momondo last update prices for flights from Islip Long Island Airport to Louisiana?

    Prices for flights from Islip Long Island Airport to Louisiana were last updated today.

  • How many operators does momondo search for flights from Islip Long Island Airport to Louisiana?

  • How old do you have to be to fly from Islip Long Island Airport to Louisiana?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Louisiana.

  • What documentation or ID do you need to fly to Louisiana?

    The travel and health documents required for your trip to Louisiana can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Louisiana. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Islip to Louisiana?

Best airlines flying from Islip to Louisiana

Compare and see reviews for airlines that fly from Islip to Louisiana with momondo
Airline
Rating
Free Cancellation
Price
Breeze AirwaysPriceFrom $175Free CancellationRating
8.0
208 reviews
Search Breeze Airways flights
SouthwestPriceFrom $357Free CancellationRating
8.0
4,244 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Louisiana?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Islip to Louisiana. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Islip to Louisiana with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Islip to Louisiana flights to just show those with flexible booking policies.

How can momondo help me find flights from Islip to Louisiana?

Once all potential Islip to Louisiana flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Islip to Louisiana right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Islip to Louisiana flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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