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?

As of August 2025, there is 1 operator available to choose from 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.

$252 Cheap Flights from Louisville to Islip in 2025

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0 bags

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Find the cheapest flights from Louisville to New York

Round-trip

One-way

Cheap round-trip flights

10:14 am - 10:40 amSDF-ISP

24h 26m1 stop

5:05 pm - 9:19 amISP-SDF

16h 14m1 stop

$252

Find Deal

mar., sep. 9 - sáb., sep. 13

10:14 am - 10:40 amSDF-ISP

24h 26m1 stop

5:05 pm - 10:27 amISP-SDF

41h 22m2 stops

$281

Find Deal

mar., sep. 9 - sáb., sep. 13

6:00 am - 1:15 pmSDF-ISP

7h 15m1 stop

5:30 am - 11:10 amISP-SDF

5h 40m1 stop

$351Southwest

Find Deal

mar., sep. 9 - mié., sep. 10

6:00 am - 3:15 pmSDF-ISP

9h 15m2 stops

5:30 am - 11:10 amISP-SDF

5h 40m1 stop

$356Southwest

Find Deal

mar., sep. 9 - mié., sep. 10

7:42 pm - 6:28 pmSDF-ISP

22h 46m1 stop

7:36 pm - 8:58 amISP-SDF

13h 22m2 stops

$519Breeze Airways

Find Deal

jue., sep. 25 - dom., sep. 28

7:42 pm - 6:28 pmSDF-ISP

22h 46m1 stop

7:36 pm - 8:58 amISP-SDF

13h 22m2 stops

$528Breeze Airways

Find Deal

jue., sep. 25 - dom., sep. 28

6:00 am - 3:15 pmSDF-ISP

9h 15m2 stops

6:05 am - 6:25 pmISP-SDF

12h 20m2 stops

$543Southwest

Find Deal

mar., sep. 9 - mié., sep. 10

7:42 pm - 8:07 pmSDF-ISP

24h 25m2 stops

7:36 pm - 8:58 amISP-SDF

13h 22m2 stops

$614Breeze Airways

Find Deal

jue., sep. 25 - dom., sep. 28

7:42 pm - 8:07 pmSDF-ISP

24h 25m2 stops

7:36 pm - 8:58 amISP-SDF

13h 22m2 stops

$622Breeze Airways

Find Deal

jue., sep. 25 - dom., sep. 28

2:55 pm - 1:45 pmSDF-ISP

22h 50m1 stop

10:38 am - 8:58 amISP-SDF

22h 20m2 stops

$631Breeze Airways

Find Deal

jue., dic. 18 - jue., dic. 25

Southwest flights from Louisville to Islip

Our best Southwest deals on Louisville to Islip flight tickets

Southwest

Sep 9

SDF6:00 amLouisville Intl

7h 15m

1 stop

ISP1:15 pmIslip Long Island

Sep 10

ISP5:30 amIslip Long Island

5h 40m

1 stop

SDF11:10 amLouisville Intl

$351

Find similar

Southwest

Sep 9

SDF6:00 amLouisville Intl

9h 15m

2 stops

ISP3:15 pmIslip Long Island

Sep 10

ISP5:30 amIslip Long Island

5h 40m

1 stop

SDF11:10 amLouisville Intl

$356

Find similar

Southwest

Sep 2

SDF3:50 pmLouisville Intl

6h 15m

1 stop

ISP10:05 pmIslip Long Island

Sep 7

ISP6:00 amIslip Long Island

6h 25m

1 stop

SDF12:25 pmLouisville Intl

$449

Find similar

Breeze Airways flights from Louisville to Islip

Our best Breeze Airways deals on Louisville to Islip flight tickets

Breeze Airways

Sep 25

SDF7:42 pmLouisville Intl

22h 46m

1 stop

ISP6:28 pmIslip Long Island

Sep 28

ISP7:36 pmIslip Long Island

13h 22m

2 stops

SDF8:58 amLouisville Intl

$519

Find similar

Breeze Airways

Sep 25

SDF7:42 pmLouisville Intl

22h 46m

1 stop

ISP6:28 pmIslip Long Island

Sep 28

ISP7:36 pmIslip Long Island

13h 22m

2 stops

SDF8:58 amLouisville Intl

$528

Find similar

Breeze Airways

Sep 25

SDF7:42 pmLouisville Intl

24h 25m

2 stops

ISP8:07 pmIslip Long Island

Sep 28

ISP7:36 pmIslip Long Island

13h 22m

2 stops

SDF8:58 amLouisville Intl

$614

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

mar. 9/9

10:14 am-10:40 am

1 stop24h 26m

Islip Long Island

sáb. 9/13

5:05 pm-9:19 am

1 stop16h 14m

$252

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

mar. 9/9

10:14 am-10:40 am

1 stop24h 26m

Islip Long Island

sáb. 9/13

5:05 pm-10:27 am

2 stops41h 22m

$281

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

mar. 9/9

6:00 am-1:15 pm

1 stop7h 15m

Islip Long Island

mié. 9/10

5:30 am-11:10 am

1 stop5h 40m

$351

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

mar. 9/9

6:00 am-3:15 pm

2 stops9h 15m

Islip Long Island

mié. 9/10

5:30 am-11:10 am

1 stop5h 40m

$356

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

jue. 9/25

7:42 pm-6:28 pm

1 stop22h 46m

Islip Long Island

dom. 9/28

7:36 pm-8:58 am

2 stops13h 22m

$519

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

jue. 9/25

7:42 pm-6:28 pm

1 stop22h 46m

Islip Long Island

dom. 9/28

7:36 pm-8:58 am

2 stops13h 22m

$528

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

mar. 9/9

6:00 am-3:15 pm

2 stops9h 15m

Islip Long Island

mié. 9/10

6:05 am-6:25 pm

2 stops12h 20m

$543

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

jue. 9/25

7:42 pm-8:07 pm

2 stops24h 25m

Islip Long Island

dom. 9/28

7:36 pm-8:58 am

2 stops13h 22m

$614

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

jue. 9/25

7:42 pm-8:07 pm

2 stops24h 25m

Islip Long Island

dom. 9/28

7:36 pm-8:58 am

2 stops13h 22m

$622

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

jue. 12/18

2:55 pm-1:45 pm

1 stop22h 50m

Islip Long Island

jue. 12/25

10:38 am-8:58 am

2 stops22h 20m

$631

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Louisville to Islip

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 airlines fly to Islip?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Islip from Louisville according to our data. Delta is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Islip. Keep in mind that there are 7 different airlines that fly to Islip on a routine basis, so you have a few additional options to choose from.

When to book flights from Louisville to Islip

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Islip according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

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

Direct flights	None

There are no direct flights from Louisville to Islip. There are no popular flight routes from Louisville to Islip.

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 7h 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?
As of August 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for flights between Louisville and Islip, the leading airline is Southwest, making up 100% of the total bookings.

Best airlines flying from Louisville to Islip

Compare and see reviews for airlines that fly from Louisville to Islip with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $276	Free Cancellation	Rating 8.0 4,241 reviews		Search Southwest flights

Montauk

Riverhead

Sag Harbor

Southampton

Amagansett

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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.