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Cheap flights from Louisville to New York from $135

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to New York departing on 4/16. 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 Louisville to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:30 am - 12:10 pm
SDF
-
ISP
6h 40m
1 stop
Southwest Logo
3:20 pm - 9:30 pm
ISP
-
SDF
6h 10m
1 stop
$337Southwest
Tue, Sep 1 - Tue, Sep 8
Southwest Logo
7:05 am - 2:55 pm
SDF
-
ISP
7h 50m
2 stops
Southwest Logo
3:20 pm - 9:30 pm
ISP
-
SDF
6h 10m
1 stop
$342Southwest
Tue, Sep 1 - Tue, Sep 8
Southwest Logo
7:05 am - 2:55 pm
SDF
-
ISP
7h 50m
2 stops
Southwest Logo
6:05 am - 3:15 pm
ISP
-
SDF
9h 10m
2 stops
$347Southwest
Tue, Sep 1 - Tue, Sep 8
Breeze Airways Logo
12:10 pm - 1:31 pm
SDF
-
ISP
25h 21m
2 stops
Breeze Airways Logo
7:53 pm - 8:46 am
ISP
-
SDF
12h 53m
2 stops
$812Breeze Airways
Sun, May 3 - Thu, May 7
Breeze Airways Logo
6:55 pm - 1:28 pm
SDF
-
ISP
18h 33m
2 stops
Breeze Airways Logo
7:53 pm - 8:46 am
ISP
-
SDF
12h 53m
2 stops
$825Breeze Airways
Sun, May 17 - Thu, May 21
Breeze Airways Logo
2:26 pm - 1:31 pm
SDF
-
ISP
23h 05m
1 stop
Breeze Airways Logo
7:53 pm - 8:46 am
ISP
-
SDF
12h 53m
2 stops
$877Breeze Airways
Sun, May 3 - Thu, May 7
Breeze Airways Logo
2:27 pm - 1:28 pm
SDF
-
ISP
23h 01m
1 stop
Breeze Airways Logo
7:53 pm - 8:46 am
ISP
-
SDF
12h 53m
2 stops
$880Breeze Airways
Sun, May 17 - Thu, May 21
Breeze Airways Logo
6:55 pm - 11:16 am
SDF
-
ISP
40h 21m
3 stops
Breeze Airways Logo
7:53 pm - 8:46 am
ISP
-
SDF
12h 53m
2 stops
$892Breeze Airways
Sun, May 17 - Thu, May 21
Breeze Airways Logo
9:09 pm - 11:20 am
SDF
-
ISP
38h 11m
2 stops
Breeze Airways Logo
9:39 am - 8:42 pm
ISP
-
SDF
11h 03m
2 stops
$913Breeze Airways
Thu, Sep 17 - Mon, Sep 21
Breeze Airways Logo
12:10 pm - 1:31 pm
SDF
-
ISP
25h 21m
2 stops
Breeze Airways Logo
7:20 pm - 8:36 am
ISP
-
SDF
37h 16m
2 stops
$1,002Breeze Airways
Sun, May 3 - Mon, May 4

Southwest flights from Louisville to Islip, New York

Our best Southwest deals on Louisville to Islip, New York flight tickets
Southwest
Sep 1
SDF5:30 amLouisville Intl
6h 40m
1 stop
ISP12:10 pmIslip Long Island
Sep 8
ISP3:20 pmIslip Long Island
6h 10m
1 stop
SDF9:30 pmLouisville Intl
$337
Southwest
Sep 1
SDF7:05 amLouisville Intl
7h 50m
2 stops
ISP2:55 pmIslip Long Island
Sep 8
ISP3:20 pmIslip Long Island
6h 10m
1 stop
SDF9:30 pmLouisville Intl
$342
Southwest
Sep 1
SDF7:05 amLouisville Intl
7h 50m
2 stops
ISP2:55 pmIslip Long Island
Sep 8
ISP6:05 amIslip Long Island
9h 10m
2 stops
SDF3:15 pmLouisville Intl
$347

Breeze Airways flights from Louisville to Islip, New York

Our best Breeze Airways deals on Louisville to Islip, New York flight tickets
Breeze Airways
Mar 26
SDF2:26 pmLouisville Intl
23h 05m
1 stop
ISP1:31 pmIslip Long Island
Apr 1
ISP11:50 amIslip Long Island
25h 36m
1 stop
SDF1:26 pmLouisville Intl
$785
Breeze Airways
May 3
SDF12:10 pmLouisville Intl
25h 21m
2 stops
ISP1:31 pmIslip Long Island
May 7
ISP7:53 pmIslip Long Island
12h 53m
2 stops
SDF8:46 amLouisville Intl
$812
Breeze Airways
May 17
SDF6:55 pmLouisville Intl
18h 33m
2 stops
ISP1:28 pmIslip Long Island
May 21
ISP7:53 pmIslip Long Island
12h 53m
2 stops
SDF8:46 amLouisville Intl
$825

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Islip, New York 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 March 21, 2026.
Use the filters below to find and compare flights from Louisville to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Tue 9/1

5:30 am-12:10 pm

1 stop6h 40m

Islip Long Island

Tue 9/8

3:20 pm-9:30 pm

1 stop6h 10m

$337

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Tue 9/1

7:05 am-2:55 pm

2 stops7h 50m

Islip Long Island

Tue 9/8

3:20 pm-9:30 pm

1 stop6h 10m

$342

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Tue 9/1

7:05 am-2:55 pm

2 stops7h 50m

Islip Long Island

Tue 9/8

6:05 am-3:15 pm

2 stops9h 10m

$347

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Sun 5/3

12:10 pm-1:31 pm

2 stops25h 21m

Islip Long Island

Thu 5/7

7:53 pm-8:46 am

2 stops12h 53m

$812

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Sun 5/17

6:55 pm-1:28 pm

2 stops18h 33m

Islip Long Island

Thu 5/21

7:53 pm-8:46 am

2 stops12h 53m

$825

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Sun 5/3

2:26 pm-1:31 pm

1 stop23h 05m

Islip Long Island

Thu 5/7

7:53 pm-8:46 am

2 stops12h 53m

$877

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Sun 5/17

2:27 pm-1:28 pm

1 stop23h 01m

Islip Long Island

Thu 5/21

7:53 pm-8:46 am

2 stops12h 53m

$880

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Sun 5/17

6:55 pm-11:16 am

3 stops40h 21m

Islip Long Island

Thu 5/21

7:53 pm-8:46 am

2 stops12h 53m

$892

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Thu 9/17

9:09 pm-11:20 am

2 stops38h 11m

Islip Long Island

Mon 9/21

9:39 am-8:42 pm

2 stops11h 03m

$913

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Sun 5/3

12:10 pm-1:31 pm

2 stops25h 21m

Islip Long Island

Mon 5/4

7:20 pm-8:36 am

2 stops37h 16m

$1,002

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to New York from

How to get the cheapest flight ticket from Louisville to Islip, New York

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 airline that flies from Louisville Intl to Islip Long Island?

Southwest and Breeze Airways are the most popular carriers operating from Louisville Intl to Islip Long Island

What airlines fly to Islip, New York?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Islip, New York from Louisville according to our data. Delta is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 7 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

When to book flights from Louisville to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to Islip, New York (SDF to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Islip, New York

Fastest flight time

6h 15m

Direct flights

None
The fastest flight from Louisville to Islip, New York takes 6h 15m
There are no direct flights from Louisville to Islip, New York. There are no popular flight routes from Louisville to Islip, New York.
Search flight deals

  • How far is Louisville Intl to Islip Long Island by plane?

    A flight from Louisville Intl to Islip Long Island will travel around 689.3 mi. In terms of flight time, this usually takes a little over 6h 15m.

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

    Prices for flights from Louisville Intl Airport to Islip Long Island Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The necessary travel and health documents for your Islip Long Island Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Louisville to Islip, New York?

Best airlines flying from Louisville to Islip, New York

Compare and see reviews for airlines that fly from Louisville to Islip, New York with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $276Free CancellationRating
8.0
4,325 reviews
Search Southwest flights

Traveling to a place near New York?

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Sag Harbor
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Amagansett

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisville to Islip. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Islip from Louisville on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Louisville to Islip 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 Louisville to Islip right now. Can momondo alert me if prices change?

Price alerts on flights to Islip from Louisville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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