Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Louisville to New York from $190

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 7/14. 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
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
5:05 pm - 11:35 pm
SDF
-
ISP
6h 30m
1 stop
Southwest Logo
5:20 pm - 11:15 pm
ISP
-
SDF
5h 55m
1 stop
$329Southwest
Thu, Jun 4 - Sun, Jun 7
Breeze Airways Logo
8:28 pm - 1:33 pm
SDF
-
ISP
17h 05m
1 stop
Breeze Airways Logo
7:49 pm - 8:46 am
ISP
-
SDF
12h 57m
2 stops
$348Breeze Airways
Fri, Jun 5 - Sun, Jun 7
Southwest Logo
10:45 am - 5:15 pm
SDF
-
ISP
6h 30m
1 stop
Southwest Logo
5:20 pm - 11:15 pm
ISP
-
SDF
5h 55m
1 stop
$362Southwest
Fri, Jun 5 - Sun, Jun 7
Southwest Logo
3:35 pm - 11:35 pm
SDF
-
ISP
8h 00m
2 stops
Southwest Logo
5:20 pm - 11:15 pm
ISP
-
SDF
5h 55m
1 stop
$367Southwest
Thu, Jun 4 - Sun, Jun 7
Southwest Logo
3:45 pm - 10:10 pm
SDF
-
ISP
6h 25m
1 stop
Southwest Logo
6:00 am - 12:55 pm
ISP
-
SDF
6h 55m
1 stop
$395Southwest
Tue, May 12 - Sat, May 16
Southwest Logo
3:30 pm - 10:10 pm
SDF
-
ISP
6h 40m
2 stops
Southwest Logo
5:30 am - 10:55 am
ISP
-
SDF
5h 25m
1 stop
$400Southwest
Tue, May 12 - Sat, May 16
Southwest Logo
3:30 pm - 10:10 pm
SDF
-
ISP
6h 40m
2 stops
Southwest Logo
6:00 am - 3:50 pm
ISP
-
SDF
9h 50m
2 stops
$405Southwest
Tue, May 12 - Sat, May 16
Southwest Logo
3:35 pm - 11:35 pm
SDF
-
ISP
8h 00m
2 stops
Southwest Logo
6:00 am - 1:05 pm
ISP
-
SDF
7h 05m
2 stops
$436Southwest
Thu, Jun 4 - Sun, Jun 7
Multiple Airlines Logo
9:23 pm - 10:03 am
SDF
-
ISP
12h 40m
1 stop
Multiple Airlines Logo
6:46 pm - 8:48 pm
ISP
-
SDF
26h 02m
2 stops
$446Multiple Airlines
Thu, Jun 25 - Sun, Jun 28
Southwest Logo
3:35 pm - 11:35 pm
SDF
-
ISP
8h 00m
2 stops
Southwest Logo
2:55 pm - 11:15 pm
ISP
-
SDF
8h 20m
2 stops
$461Southwest
Fri, Jun 5 - Sun, Jun 7

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Southwest flights from Louisville to Islip, New York

Our best Southwest deals on Louisville to Islip, New York flight tickets
Southwest
Jun 4
SDF5:05 pmLouisville Intl
6h 30m
1 stop
ISP11:35 pmIslip Long Island
Jun 7
ISP5:20 pmIslip Long Island
5h 55m
1 stop
SDF11:15 pmLouisville Intl
$329
Southwest
Jun 5
SDF10:45 amLouisville Intl
6h 30m
1 stop
ISP5:15 pmIslip Long Island
Jun 7
ISP5:20 pmIslip Long Island
5h 55m
1 stop
SDF11:15 pmLouisville Intl
$362
Southwest
Jun 4
SDF3:35 pmLouisville Intl
8h 00m
2 stops
ISP11:35 pmIslip Long Island
Jun 7
ISP5:20 pmIslip Long Island
5h 55m
1 stop
SDF11:15 pmLouisville Intl
$367

Breeze Airways flights from Louisville to Islip, New York

Our best Breeze Airways deals on Louisville to Islip, New York flight tickets
Breeze Airways
Jun 5
SDF8:28 pmLouisville Intl
17h 05m
1 stop
ISP1:33 pmIslip Long Island
Jun 7
ISP7:49 pmIslip Long Island
12h 57m
2 stops
SDF8:46 amLouisville Intl
$348
Breeze Airways
Jun 5
SDF8:28 pmLouisville Intl
44h 42m
3 stops
ISP5:10 pmIslip Long Island
Jun 7
ISP7:49 pmIslip Long Island
12h 57m
2 stops
SDF8:46 amLouisville Intl
$838
Breeze Airways
Jun 4
SDF6:55 pmLouisville Intl
40h 22m
3 stops
ISP11:17 amIslip Long Island
Jun 7
ISP7:49 pmIslip Long Island
12h 57m
2 stops
SDF8:46 amLouisville Intl
$889

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 May 1, 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 6/4

5:05 pm-11:35 pm

1 stop6h 30m

Islip Long Island

Sun 6/7

5:20 pm-11:15 pm

1 stop5h 55m

$329

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Fri 6/5

8:28 pm-1:33 pm

1 stop17h 05m

Islip Long Island

Sun 6/7

7:49 pm-8:46 am

2 stops12h 57m

$348

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Fri 6/5

10:45 am-5:15 pm

1 stop6h 30m

Islip Long Island

Sun 6/7

5:20 pm-11:15 pm

1 stop5h 55m

$362

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Thu 6/4

3:35 pm-11:35 pm

2 stops8h 00m

Islip Long Island

Sun 6/7

5:20 pm-11:15 pm

1 stop5h 55m

$367

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Tue 5/12

3:45 pm-10:10 pm

1 stop6h 25m

Islip Long Island

Sat 5/16

6:00 am-12:55 pm

1 stop6h 55m

$395
Quickest round-trip

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Tue 5/12

3:30 pm-10:10 pm

2 stops6h 40m

Islip Long Island

Sat 5/16

5:30 am-10:55 am

1 stop5h 25m

$400

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Tue 5/12

3:30 pm-10:10 pm

2 stops6h 40m

Islip Long Island

Sat 5/16

6:00 am-3:50 pm

2 stops9h 50m

$405

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Thu 6/4

3:35 pm-11:35 pm

2 stops8h 00m

Islip Long Island

Sun 6/7

6:00 am-1:05 pm

2 stops7h 05m

$436

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Thu 6/25

9:23 pm-10:03 am

1 stop12h 40m

Islip Long Island

Sun 6/28

6:46 pm-8:48 pm

2 stops26h 02m

$446

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Fri 6/5

3:35 pm-11:35 pm

2 stops8h 00m

Islip Long Island

Sun 6/7

2:55 pm-11:15 pm

2 stops8h 20m

$461

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 4% 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

6h 00m

Direct flights

None
The fastest flight from Louisville to Islip, New York takes 6h 00m
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 00m.

  • 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
Sag Harbor
Southampton
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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 5/31
Sun 6/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States