Which airports can I use when flying from Louisville to Islip?

Flights from Louisville to Islip usually depart from Louisville Intl (SDF) and arrive at Islip Long Island (ISP).

What cabin classes can I book on flights from Louisville to Islip?

Only Economy Class is available on flights from Louisville to Islip.

Which airports do connecting flights from Louisville to Islip pass through?

Most connecting flights from Louisville to Islip pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route.

Can I save money by using flexible dates for flights from Louisville to Islip?

Yes. Flexible dates can save you up to 11% on flights from Louisville to Islip. Wednesday is the cheapest departure day at $440 round-trip on average, while Thursday is the most expensive at $491, a difference of $51. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from Louisville to Islip?

A nonstop flight from Louisville to Islip takes 00m, covering 697 miles.

Do I need a passport to fly from Louisville to Islip?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Louisville to Islip changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $445 to $973. That means the highest observed fare was about 2x higher than the lowest one.

How are flight prices from Louisville to Islip looking right now?

One-way fares from Louisville to Islip are currently lower than usual. Average one-way flight prices are about $274, which is 19% below the typical average for this route.

What car rental options are available at Islip Long Island Airport (ISP)?

Islip Long Island Airport (ISP) hosts 5 major car rental companies, with daily rates averaging $105 for economy cars. Top options include: • Budget • Enterprise Rent-A-Car • Avis • National • Empire Rent A Car

How much is a round-trip flight from Louisville to Islip?

Round-trip flights from Louisville to Islip typically range from $409 to $491. The lowest price found in the past 5 days was $445, on Southwest.

Which airline is the cheapest to fly from Louisville to Islip?

Southwest ($445) and Breeze Airways ($923) are the cheapest airlines to fly round-trip from Louisville to Islip according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from Louisville to Islip?

Flights via Baltimore/Washington (BWI) offer the most affordable fares, with an average round-trip price of $414. Based on KAYAK data over the past 3 months.

When flying from Louisville to Islip which airport offers the shortest layover?

Baltimore/Washington (BWI) had the shortest average connection time for Louisville to Islip layovers at 4h 18m over the past 3 months.

$142 CHEAP FLIGHTS from Louisville to Islip (SDF - ISP)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$445

Typical prices: $409-$491

Southwest

Sun 11/11Wed 11/14

SDF - ISP • 1 stop

Cheapest one-way

$142

Typical prices: $253-$391

Southwest

Sat 12/15

SDF - ISP • 1 stop

Nonstop flights

Not available

There are currently no direct flights between Louisville and Islip. You'll need to take a connecting flight to reach the destination.

Insights

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Islip!

Flight Deals

Cheap Flights from Louisville to Islip (SDF-ISP)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Louisville to Islip

Wed, Nov 11 - Sat, Nov 14

5:40 am - 11:45 amSDF Louisville Intl-ISP Islip Long Island

6h 05m1 stop Baltimore/Washington

3:00 pm - 10:20 pmISP Islip Long Island-SDF Louisville Intl

7h 20m1 stop Orlando

$445Southwest

Wed, Nov 11 - Sat, Nov 14

5:40 am - 11:45 amSDF Louisville Intl-ISP Islip Long Island

6h 05m1 stop Baltimore/Washington

6:00 am - 4:00 pmISP Islip Long Island-SDF Louisville Intl

10h 00m2 stops Baltimore/Washington Orlando

$450Southwest

Wed, Nov 11 - Sat, Nov 14

12:55 pm - 9:45 pmSDF Louisville Intl-ISP Islip Long Island

8h 50m2 stops Orlando Baltimore/Washington

12:45 pm - 10:20 pmISP Islip Long Island-SDF Louisville Intl

9h 35m2 stops Baltimore/Washington Orlando

$455Southwest

Mon, Nov 23 - Sat, Nov 28

7:30 am - 12:45 pmSDF Louisville Intl-ISP Islip Long Island

5h 15m1 stop Orlando

5:30 am - 12:30 pmISP Islip Long Island-SDF Louisville Intl

7h 00m1 stop Baltimore/Washington

$597Southwest

Mon, Nov 23 - Sun, Nov 29

7:30 am - 12:45 pmSDF Louisville Intl-ISP Islip Long Island

5h 15m1 stop Orlando

5:50 pm - 1:00 amISP Islip Long Island-SDF Louisville Intl

7h 10m1 stop Baltimore/Washington

$606Southwest

Mon, Nov 23 - Sat, Nov 28

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

6h 55m2 stops Chicago Midway Baltimore/Washington

5:30 am - 12:30 pmISP Islip Long Island-SDF Louisville Intl

7h 00m1 stop Baltimore/Washington

$658Southwest

Mon, Nov 23 - Sun, Nov 29

12:45 pm - 10:50 pmSDF Louisville Intl-ISP Islip Long Island

10h 05m2 stops Houston Hobby Orlando

5:50 pm - 1:00 amISP Islip Long Island-SDF Louisville Intl

7h 10m1 stop Baltimore/Washington

$667Southwest

Mon, Nov 23 - Sat, Nov 28

12:45 pm - 10:50 pmSDF Louisville Intl-ISP Islip Long Island

10h 05m2 stops Houston Hobby Orlando

1:35 pm - 10:45 pmISP Islip Long Island-SDF Louisville Intl

9h 10m2 stops Orlando Nashville Intl

$747Southwest

Thu, Nov 12 - Sat, Nov 14

9:09 pm - 2:22 pmSDF Louisville Intl-ISP Islip Long Island

17h 13m2 stops Tampa Raleigh-Durham

3:43 pm - 9:45 amISP Islip Long Island-SDF Louisville Intl

42h 02m2 stops Vero Beach Pittsburgh

$923Breeze Airways

Thu, Nov 12 - Sat, Nov 14

9:09 pm - 2:22 pmSDF Louisville Intl-ISP Islip Long Island

17h 13m2 stops Tampa Raleigh-Durham

12:00 pm - 8:02 amISP Islip Long Island-SDF Louisville Intl

44h 02m3 stops Raleigh-Durham Columbus Charleston

$973Breeze Airways

Booking Insights

Price, demand and travel trends for Louisville to Islip flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Louisville to Islip? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Louisville to Islip departing in november.

Find deals

Cheapest flight	$142

One-way flight from Louisville to Islip

When to book flights from Louisville to Islip

Are your dates flexible? Find out the best times to travel from Louisville to Islip based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Louisville to Islip?
Only Economy Class is available on flights from Louisville to Islip.
How long is a flight from Louisville to Islip?
A nonstop flight from Louisville to Islip takes 00m, covering 697 miles.
Do I need a passport to fly from Louisville to Islip?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
Have flight prices from Louisville to Islip changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $445 to $973. That means the highest observed fare was about 2x higher than the lowest one.
How are flight prices from Louisville to Islip looking right now?
One-way fares from Louisville to Islip are currently lower than usual. Average one-way flight prices are about $274, which is 19% below the typical average for this route.
What car rental options are available at Islip Long Island Airport (ISP)?
Islip Long Island Airport (ISP) hosts 5 major car rental companies, with daily rates averaging $105 for economy cars. Top options include:

• Budget
• Enterprise Rent-A-Car
• Avis
• National
• Empire Rent A Car
Which airports can I use when flying from Louisville to Islip?
Flights from Louisville to Islip usually depart from Louisville Intl (SDF) and arrive at Islip Long Island (ISP).
Which airports do connecting flights from Louisville to Islip pass through?
Most connecting flights from Louisville to Islip pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from Louisville to Islip?
Yes. Flexible dates can save you up to 11% on flights from Louisville to Islip. Wednesday is the cheapest departure day at $440 round-trip on average, while Thursday is the most expensive at $491, a difference of $51.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average $440, about $51 less than Thursday fares (10% savings) based on the last 12 months.

More options for your flight from Louisville to Islip

Add a hotel or car rental

Airports

Cabin class

Direct Flights

Origins

Other destinations

Return flight

Complete your trip to Islip with a hotel stay or car rental

Car rentals in Islip

Hotels in Islip

SDF - ISP

$142 Find Cheap Flights from Louisville to Islip - Compare and Save

Everything you should know

Cheap Flights from Louisville to Islip (SDF-ISP)

Recent round-trip flight deals from Louisville to Islip

Recent one-way flight deals from Louisville to Islip

Price, demand and travel trends for Louisville to Islip flights

How much is a round-trip flight from Louisville to Islip?

Which airline is the cheapest to fly from Louisville to Islip?

What is the cheapest layover airport when flying from Louisville to Islip?

When flying from Louisville to Islip which airport offers the shortest layover?

Key details for Louisville to Islip flights

Cheapest flight

When to book flights from Louisville to Islip

Your Louisville to Islip flight questions, answered

Your guide to booking Louisville to Islip flights

More options for your flight from Louisville to Islip

Complete your trip to Islip with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Louisville to Islip

Find direct flights to and from Louisville and Islip

Flights from domestic origins to Islip

Flights to other popular destinations

Find deals for your return flight