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Cheap flights from Louisville to New York from $150

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 7/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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 pm - 11:45 pm
SDF
-
ISP
6h 15m
1 stop
Southwest Logo
4:40 pm - 11:15 pm
ISP
-
SDF
6h 35m
1 stop
$316Southwest
Thu, Jul 16 - Wed, Jul 22
Southwest Logo
5:30 pm - 11:45 pm
SDF
-
ISP
6h 15m
1 stop
Southwest Logo
2:55 pm - 10:35 pm
ISP
-
SDF
7h 40m
2 stops
$321Southwest
Thu, Jul 16 - Wed, Jul 22
Southwest Logo
9:00 am - 2:50 pm
SDF
-
ISP
5h 50m
1 stop
Southwest Logo
5:20 pm - 11:20 pm
ISP
-
SDF
6h 00m
1 stop
$324Southwest
Sat, Jul 25 - Sun, Aug 2
Southwest Logo
5:25 am - 2:50 pm
SDF
-
ISP
9h 25m
2 stops
Southwest Logo
5:20 pm - 11:20 pm
ISP
-
SDF
6h 00m
1 stop
$329Southwest
Sat, Jul 25 - Sun, Aug 2
Southwest Logo
5:25 am - 2:50 pm
SDF
-
ISP
9h 25m
2 stops
Southwest Logo
6:00 am - 1:05 pm
ISP
-
SDF
7h 05m
2 stops
$382Southwest
Sat, Jul 25 - Sun, Aug 2
Southwest Logo
5:25 am - 11:45 am
SDF
-
ISP
6h 20m
1 stop
Southwest Logo
6:00 pm - 12:30 am
ISP
-
SDF
6h 30m
1 stop
$383Southwest
Sun, Jul 5 - Thu, Jul 9
Southwest Logo
3:35 pm - 11:40 pm
SDF
-
ISP
8h 05m
2 stops
Southwest Logo
2:55 pm - 10:35 pm
ISP
-
SDF
7h 40m
2 stops
$393Southwest
Thu, Jul 16 - Wed, Jul 22
Southwest Logo
6:05 am - 2:55 pm
SDF
-
ISP
8h 50m
2 stops
Southwest Logo
6:00 pm - 12:30 am
ISP
-
SDF
6h 30m
1 stop
$408Southwest
Sun, Jul 5 - Thu, Jul 9
Southwest Logo
6:05 am - 2:55 pm
SDF
-
ISP
8h 50m
2 stops
Southwest Logo
6:00 am - 2:55 pm
ISP
-
SDF
8h 55m
2 stops
$487Southwest
Sun, Jul 5 - Thu, Jul 9
Breeze Airways Logo
9:11 pm - 10:17 am
SDF
-
ISP
13h 06m
1 stop
Breeze Airways Logo
12:00 pm - 8:31 pm
ISP
-
SDF
8h 31m
1 stop
$618Breeze Airways
Wed, Oct 14 - Sat, Oct 17

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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
Jul 16
SDF5:30 pmLouisville Intl
6h 15m
1 stop
ISP11:45 pmIslip Long Island
Jul 22
ISP4:40 pmIslip Long Island
6h 35m
1 stop
SDF11:15 pmLouisville Intl
$316
Southwest
Jul 16
SDF5:30 pmLouisville Intl
6h 15m
1 stop
ISP11:45 pmIslip Long Island
Jul 22
ISP2:55 pmIslip Long Island
7h 40m
2 stops
SDF10:35 pmLouisville Intl
$321
Southwest
Jul 25
SDF9:00 amLouisville Intl
5h 50m
1 stop
ISP2:50 pmIslip Long Island
Aug 2
ISP5:20 pmIslip Long Island
6h 00m
1 stop
SDF11:20 pmLouisville Intl
$324

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 14
SDF9:11 pmLouisville Intl
13h 06m
1 stop
ISP10:17 amIslip Long Island
Oct 17
ISP12:00 pmIslip Long Island
8h 31m
1 stop
SDF8:31 pmLouisville Intl
$618
Breeze Airways
Oct 14
SDF9:11 pmLouisville Intl
13h 06m
1 stop
ISP10:17 amIslip Long Island
Oct 15
ISP7:31 pmIslip Long Island
25h 31m
2 stops
SDF9:02 pmLouisville Intl
$619
Breeze Airways
Oct 12
SDF9:42 pmLouisville Intl
13h 38m
2 stops
ISP11:20 amIslip Long Island
Oct 17
ISP12:00 pmIslip Long Island
8h 31m
1 stop
SDF8:31 pmLouisville Intl
$689

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 June 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

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Thu 7/16

5:30 pm-11:45 pm

1 stop6h 15m

Islip Long Island

Wed 7/22

4:40 pm-11:15 pm

1 stop6h 35m

$316

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Thu 7/16

5:30 pm-11:45 pm

1 stop6h 15m

Islip Long Island

Wed 7/22

2:55 pm-10:35 pm

2 stops7h 40m

$321
Quickest round-trip

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Sat 7/25

9:00 am-2:50 pm

1 stop5h 50m

Islip Long Island

Sun 8/2

5:20 pm-11:20 pm

1 stop6h 00m

$324

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Sat 7/25

5:25 am-2:50 pm

2 stops9h 25m

Islip Long Island

Sun 8/2

5:20 pm-11:20 pm

1 stop6h 00m

$329

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Sat 7/25

5:25 am-2:50 pm

2 stops9h 25m

Islip Long Island

Sun 8/2

6:00 am-1:05 pm

2 stops7h 05m

$382

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Sun 7/5

5:25 am-11:45 am

1 stop6h 20m

Islip Long Island

Thu 7/9

6:00 pm-12:30 am

1 stop6h 30m

$383

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Thu 7/16

3:35 pm-11:40 pm

2 stops8h 05m

Islip Long Island

Wed 7/22

2:55 pm-10:35 pm

2 stops7h 40m

$393

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Sun 7/5

6:05 am-2:55 pm

2 stops8h 50m

Islip Long Island

Thu 7/9

6:00 pm-12:30 am

1 stop6h 30m

$408

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Sun 7/5

6:05 am-2:55 pm

2 stops8h 50m

Islip Long Island

Thu 7/9

6:00 am-2:55 pm

2 stops8h 55m

$487

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Wed 10/14

9:11 pm-10:17 am

1 stop13h 06m

Islip Long Island

Sat 10/17

12:00 pm-8:31 pm

1 stop8h 31m

$618

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 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

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

You could potentially save up to 21% 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

Fastest flight time

4h 23m

Direct flights

None
The fastest flight from Louisville to Islip, New York takes 4h 23m
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 4h 23m.

  • 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.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Southampton
Sag Harbor
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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