What airlines fly to Islip, New York?

Delta, United Airlines and American 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 46% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 6 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Louisville Intl to Islip Long Island?

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

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 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.

$200 Cheap Flights from Louisville to Islip, New York in 2026/27

Find the cheapest flights from Louisville to New York

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:35 am - 2:30 pmSDF Louisville Intl-ISP Islip Long Island

8h 55m1 stop Baltimore/Washington

5:40 pm - 12:15 amISP Islip Long Island-SDF Louisville Intl

6h 35m1 stop Baltimore/Washington

$264Southwest

Thu, Oct 22 - Mon, Oct 26

5:40 am - 4:15 pmSDF Louisville Intl-ISP Islip Long Island

10h 35m1 stop Baltimore/Washington

5:40 pm - 12:25 amISP Islip Long Island-SDF Louisville Intl

6h 45m1 stop Baltimore/Washington

$274Southwest

Wed, Nov 4 - Fri, Nov 13

5:40 am - 4:15 pmSDF Louisville Intl-ISP Islip Long Island

10h 35m1 stop Baltimore/Washington

12:25 pm - 9:40 pmISP Islip Long Island-SDF Louisville Intl

9h 15m2 stops Baltimore/Washington Orlando

$280Southwest

Wed, Nov 4 - Fri, Nov 13

7:30 am - 5:05 pmSDF Louisville Intl-ISP Islip Long Island

9h 35m2 stops Orlando Baltimore/Washington

5:40 pm - 12:25 amISP Islip Long Island-SDF Louisville Intl

6h 45m1 stop Baltimore/Washington

$331Southwest

Thu, Nov 5 - Fri, Nov 13

5:35 am - 2:30 pmSDF Louisville Intl-ISP Islip Long Island

8h 55m1 stop Baltimore/Washington

11:00 am - 9:40 pmISP Islip Long Island-SDF Louisville Intl

10h 40m2 stops Baltimore/Washington Orlando

$332Southwest

Thu, Oct 22 - Mon, Oct 26

4:40 pm - 11:35 pmSDF Louisville Intl-ISP Islip Long Island

6h 55m2 stops Chicago Midway Baltimore/Washington

12:25 pm - 9:40 pmISP Islip Long Island-SDF Louisville Intl

9h 15m2 stops Baltimore/Washington Orlando

$336Southwest

Thu, Nov 5 - Fri, Nov 13

5:40 am - 3:30 pmSDF Louisville Intl-ISP Islip Long Island

9h 50m2 stops Baltimore/Washington Orlando

1:35 pm - 9:40 pmISP Islip Long Island-SDF Louisville Intl

8h 05m2 stops West Palm Beach President Donald J. Trump Intl Orlando

$336Southwest

Wed, Nov 4 - Fri, Nov 13

5:10 pm - 11:35 pmSDF Louisville Intl-ISP Islip Long Island

6h 25m1 stop Baltimore/Washington

12:25 pm - 5:00 pmISP Islip Long Island-SDF Louisville Intl

4h 35m1 stop Baltimore/Washington

$342Southwest

Thu, Nov 5 - Fri, Nov 13

8:20 am - 5:00 pmSDF Louisville Intl-ISP Islip Long Island

8h 40m2 stops Chicago Midway Baltimore/Washington

11:00 am - 9:40 pmISP Islip Long Island-SDF Louisville Intl

10h 40m2 stops Baltimore/Washington Orlando

$405Southwest

Thu, Oct 22 - Mon, Oct 26

9:11 pm - 10:17 amSDF Louisville Intl-ISP Islip Long Island

13h 06m1 stop Raleigh-Durham

7:45 pm - 8:02 amISP Islip Long Island-SDF Louisville Intl

12h 17m2 stops Norfolk Charleston

$406Breeze Airways

Wed, Oct 7 - Sun, Oct 11

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Southwest flights from Louisville to Islip, New York

Our best Southwest deals on Louisville to Islip, New York flight tickets

Southwest

Oct 22

SDF5:35 amLouisville Intl

8h 55m

1 stop

ISP2:30 pmIslip Long Island

Oct 26

ISP5:40 pmIslip Long Island

6h 35m

1 stop

SDF12:15 amLouisville Intl

$264

Southwest

Nov 4

SDF5:40 amLouisville Intl

10h 35m

1 stop

ISP4:15 pmIslip Long Island

Nov 13

ISP5:40 pmIslip Long Island

6h 45m

1 stop

SDF12:25 amLouisville Intl

$274

Southwest

Nov 4

SDF5:40 amLouisville Intl

10h 35m

1 stop

ISP4:15 pmIslip Long Island

Nov 13

ISP12:25 pmIslip Long Island

9h 15m

2 stops

SDF9:40 pmLouisville Intl

$280

Breeze Airways flights from Louisville to Islip, New York

Our best Breeze Airways deals on Louisville to Islip, New York flight tickets

Breeze Airways

Oct 7

SDF9:11 pmLouisville Intl

13h 06m

1 stop

ISP10:17 amIslip Long Island

Oct 11

ISP7:45 pmIslip Long Island

12h 17m

2 stops

SDF8:02 amLouisville Intl

$406

Breeze Airways

Oct 5

SDF9:42 pmLouisville Intl

13h 38m

2 stops

ISP11:20 amIslip Long Island

Oct 10

ISP12:00 pmIslip Long Island

8h 31m

1 stop

SDF8:31 pmLouisville Intl

$745

Breeze Airways

Oct 5

SDF9:42 pmLouisville Intl

13h 38m

2 stops

ISP11:20 amIslip Long Island

Oct 10

ISP12:00 pmIslip Long Island

8h 31m

1 stop

SDF8:31 pmLouisville Intl

$775

momondo Fare Finder

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

LouisvilleIslip

SDF Louisville Intl - ISP Islip Long Island

SDFISP

Louisville Intl

Thu 10/22

5:35 am-2:30 pm

1 stop8h 55m

Islip Long Island

Mon 10/26

5:40 pm-12:15 am

1 stop6h 35m

$264

LouisvilleIslip

SDF Louisville Intl - ISP Islip Long Island

SDFISP

Louisville Intl

Wed 11/4

5:40 am-4:15 pm

1 stop10h 35m

Islip Long Island

Fri 11/13

5:40 pm-12:25 am

1 stop6h 45m

$274

LouisvilleIslip

SDF Louisville Intl - ISP Islip Long Island

SDFISP

Louisville Intl

Wed 11/4

5:40 am-4:15 pm

1 stop10h 35m

Islip Long Island

Fri 11/13

12:25 pm-9:40 pm

2 stops9h 15m

$280

LouisvilleIslip

SDF Louisville Intl - ISP Islip Long Island

SDFISP

Louisville Intl

Thu 11/5

7:30 am-5:05 pm

2 stops9h 35m

Islip Long Island

Fri 11/13

5:40 pm-12:25 am

1 stop6h 45m

$331

LouisvilleIslip

SDF Louisville Intl - ISP Islip Long Island

SDFISP

Louisville Intl

Thu 10/22

5:35 am-2:30 pm

1 stop8h 55m

Islip Long Island

Mon 10/26

11:00 am-9:40 pm

2 stops10h 40m

$332

LouisvilleIslip

SDF Louisville Intl - ISP Islip Long Island

SDFISP

Louisville Intl

Thu 11/5

4:40 pm-11:35 pm

2 stops6h 55m

Islip Long Island

Fri 11/13

12:25 pm-9:40 pm

2 stops9h 15m

$336

LouisvilleIslip

SDF Louisville Intl - ISP Islip Long Island

SDFISP

Louisville Intl

Wed 11/4

5:40 am-3:30 pm

2 stops9h 50m

Islip Long Island

Fri 11/13

1:35 pm-9:40 pm

2 stops8h 05m

$336

Quickest round-trip

LouisvilleIslip

SDF Louisville Intl - ISP Islip Long Island

SDFISP

Louisville Intl

Thu 11/5

5:10 pm-11:35 pm

1 stop6h 25m

Islip Long Island

Fri 11/13

12:25 pm-5:00 pm

1 stop4h 35m

$342

LouisvilleIslip

SDF Louisville Intl - ISP Islip Long Island

SDFISP

Louisville Intl

Thu 10/22

8:20 am-5:00 pm

2 stops8h 40m

Islip Long Island

Mon 10/26

11:00 am-9:40 pm

2 stops10h 40m

$405

LouisvilleIslip

SDF Louisville Intl - ISP Islip Long Island

SDFISP

Louisville Intl

Wed 10/7

9:11 pm-10:17 am

1 stop13h 06m

Islip Long Island

Sun 10/11

7:45 pm-8:02 am

2 stops12h 17m

$406

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

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

Prices

Airlines

Can stopping save me money on Louisville to Islip, New York flights?

You could potentially save up to 6% on your flight if you consider stops on a Louisville to Islip, New York flight.

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

Best Price Found	$200
Fastest flight time	6h 40m
Direct flights	None

The best one-way flight to Islip, New York from Louisville in the past 72 hours is $200. The best round-trip flight deal from Louisville to Islip, New York found on momondo in the last 72 hours is $264.

The fastest flight from Louisville to Islip, New York takes 6h 40m

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

Frequently asked questions about flying from Louisville to Islip, New York

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 40m.
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 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.

Montauk

Riverhead

Southampton

Amagansett

Sag Harbor

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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Cheap flights from Louisville to New York from $200

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 10/16. 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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Southwest flights from Louisville to Islip, New York

Our best Southwest deals on Louisville to Islip, New York flight tickets

Breeze Airways flights from Louisville to Islip, New York

Our best Breeze Airways deals on Louisville to Islip, New York flight tickets

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

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

Can stopping save me money on Louisville to Islip, New York flights?

What is the cheapest airline that flies from Louisville Intl to Islip Long Island?

What airlines fly to Islip, New York?

When to book flights from Louisville to Islip, New York

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

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Traveling to a place near New York?

Why use momondo?

An easier way to manage your Islip, New York trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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List of cabin classes available on flights landing in New York. Availability may vary depending on flight origin and airline.

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