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

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

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

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

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

Most connecting flights from Islip to Louisville 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 Islip to Louisville?

Yes. Flexible dates can save you up to 38% on flights from Islip to Louisville. Monday is the cheapest departure day at $385 round-trip on average, while Friday is the most expensive at $617, a difference of $232. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Louisville?

Some of the most popular sights in Louisville are Louisville Waterfront Park and Masonic Widows and Orphans Home. These are among the most viewed places in Louisville on KAYAK.

How long is a flight from Islip to Louisville?

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

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

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 Islip to Louisville 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 $371 to $1,248. That means the highest observed fare was about 3x higher than the lowest one.

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

One-way fares from Islip to Louisville are currently higher than usual. Average one-way flight prices are about $228, which is 15% above the typical average for this route.

What car rental options are available at Louisville Intl Airport (SDF)?

Louisville Intl Airport (SDF) hosts 5 major car rental companies, with daily rates averaging $75 for economy cars. Top options include: • Hertz • Dollar • Alamo • Thrifty • Budget

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

Round-trip flights from Islip to Louisville typically range from $385 to $617. The lowest price found in the past 5 days was $371, on Southwest.

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

Southwest ($371) offered the cheapest round-trip ticket from Islip to Louisville in the last 5 days.

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

Flights via Baltimore/Washington (BWI) offer the most affordable fares, with an average round-trip price of $564. Based on KAYAK data over the past 3 months.

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

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

$223 CHEAP FLIGHTS from Islip to Louisville (ISP - SDF)

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Cheapest round-trip

$371

Typical prices: $385-$617

Southwest

Sun 4/8Thu 4/12

ISP - SDF • 1 stop

Cheapest one-way

$223

Typical prices: $197-$398

Southwest

Thu 11/15

ISP - SDF • 1 stop

Nonstop flights

Not available

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

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Flight Deals

Cheap Flights from Islip to Louisville (ISP-SDF)

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

Round-trip

One-way

Recent round-trip flight deals from Islip to Louisville

Thu, Apr 8 - Mon, Apr 12

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

5h 15m1 stop Baltimore/Washington

5:20 pm - 8:45 pmSDF Louisville Intl-ISP Islip Long Island

3h 25m1 stop Baltimore/Washington

$371Southwest

Thu, Apr 8 - Mon, Apr 12

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

5h 15m1 stop Baltimore/Washington

2:40 pm - 11:35 pmSDF Louisville Intl-ISP Islip Long Island

8h 55m2 stops Chicago Midway Baltimore/Washington

$376Southwest

Thu, Apr 8 - Mon, Apr 12

6:15 am - 2:30 pmISP Islip Long Island-SDF Louisville Intl

8h 15m2 stops Orlando Nashville Intl

2:40 pm - 11:35 pmSDF Louisville Intl-ISP Islip Long Island

8h 55m2 stops Chicago Midway Baltimore/Washington

$419Southwest

Thu, Nov 12 - Mon, Nov 16

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

6h 45m1 stop Baltimore/Washington

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

6h 05m1 stop Baltimore/Washington

$445Southwest

Thu, Nov 12 - Mon, Nov 16

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

9h 15m2 stops Baltimore/Washington Orlando

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

6h 05m1 stop Baltimore/Washington

$450Southwest

Fri, Nov 13 - Tue, Nov 17

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

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

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

8h 50m2 stops Orlando Baltimore/Washington

$455Southwest

Thu, Nov 12 - Mon, Nov 16

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

9h 15m2 stops Baltimore/Washington Orlando

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

8h 50m2 stops Orlando Baltimore/Washington

$561Southwest

Mon, Nov 23 - Sun, Nov 29

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

4h 35m1 stop Baltimore/Washington

6:35 pm - 12:10 amSDF Louisville Intl-ISP Islip Long Island

5h 35m1 stop Baltimore/Washington

$571Southwest

Mon, Nov 23 - Sun, Nov 29

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

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

6:35 pm - 12:10 amSDF Louisville Intl-ISP Islip Long Island

5h 35m1 stop Baltimore/Washington

$576Southwest

Thu, Dec 24 - Sun, Dec 27

4:05 pm - 10:15 pmISP Islip Long Island-SDF Louisville Intl

6h 10m1 stop Baltimore/Washington

5:40 am - 4:20 pmSDF Louisville Intl-ISP Islip Long Island

10h 40m1 stop Baltimore/Washington

$603Southwest

Booking Insights

Price, demand and travel trends for Islip to Louisville 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 Islip to Louisville? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Islip to Louisville departing in april.

Find deals

Cheapest flight	$223

One-way flight from Islip to Louisville

When to book flights from Islip to Louisville

Are your dates flexible? Find out the best times to travel from Islip to Louisville 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 Islip to Louisville?
Only Economy Class is available on flights from Islip to Louisville.
How long is a flight from Islip to Louisville?
A nonstop flight from Islip to Louisville takes 00m, covering 697 miles.
Do I need a passport to fly from Islip to Louisville?
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 Islip to Louisville 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 $371 to $1,248. That means the highest observed fare was about 3x higher than the lowest one.
How are flight prices from Islip to Louisville looking right now?
One-way fares from Islip to Louisville are currently higher than usual. Average one-way flight prices are about $228, which is 15% above the typical average for this route.
What car rental options are available at Louisville Intl Airport (SDF)?
Louisville Intl Airport (SDF) hosts 5 major car rental companies, with daily rates averaging $75 for economy cars. Top options include:

• Hertz
• Dollar
• Alamo
• Thrifty
• Budget
Which airports can I use when flying from Islip to Louisville?
Flights from Islip to Louisville usually depart from Islip Long Island (ISP) and arrive at Louisville Intl (SDF).
Which airports do connecting flights from Islip to Louisville pass through?
Most connecting flights from Islip to Louisville 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 Islip to Louisville?
Yes. Flexible dates can save you up to 38% on flights from Islip to Louisville. Monday is the cheapest departure day at $385 round-trip on average, while Friday is the most expensive at $617, a difference of $232.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What popular places can I visit in Louisville?
Some of the most popular sights in Louisville are Louisville Waterfront Park and Masonic Widows and Orphans Home. These are among the most viewed places in Louisville on KAYAK.

If your dates are flexible, aim for a Monday departure and avoid flying on Friday. On this route, Monday flights average $385, about $232 less than Friday fares (38% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Louisville Intl Airport.

• Crowne Plaza Louisville Airport Expo Ctr By IHG
• SpringHill Suites by Marriott Louisville Airport
• Staybridge Suites Louisville - Expo Center By IHG

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ISP - SDF

$223 Find Cheap Flights from Islip to Louisville - Compare and Save

Everything you should know

Cheap Flights from Islip to Louisville (ISP-SDF)

Recent round-trip flight deals from Islip to Louisville

Recent one-way flight deals from Islip to Louisville

Price, demand and travel trends for Islip to Louisville flights

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

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

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

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

Key details for Islip to Louisville flights

Cheapest flight

When to book flights from Islip to Louisville

Your Islip to Louisville flight questions, answered

Your guide to booking Islip to Louisville flights

More options for your flight from Islip to Louisville

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

Information on your arrival and departure airports

Cabin class types available on flights from Islip to Louisville

Find direct flights to and from Islip and Louisville

Flights from domestic origins to Louisville

Flights to other popular destinations

Find deals for your return flight