HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$71+ Cheap flights from Nashville to Islip, NY (BNA - ISP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ISP
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Nashville to Islip with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Nashville to Islip

Cheapest flights from Nashville to Islip
Explore the most affordable flight options available from Nashville to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:15 am
BNA
-
ISP
1 stop7h 24m
Multiple Airlines
Mon 3/91:22 pm
ISP
-
BNA
1 stop22h 19m
Multiple Airlines
Deal found 1/25$193
This Kiwi.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:29 am
BNA
-
ISP
2 stops27h 41m
Multiple Airlines
Mon 3/161:22 pm
ISP
-
BNA
1 stop22h 19m
Multiple Airlines
Deal found 1/25$275
This Southwest deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:25 pm
BNA
-
ISP
2 stops8h 30m
Southwest
Mon 3/92:00 pm
ISP
-
BNA
1 stop7h 00m
Southwest
Deal found 1/25$346
This Kiwi.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/105:50 pm
BNA
-
ISP
1 stop18h 23m
Multiple Airlines
Sat 2/148:23 pm
ISP
-
BNA
1 stop13h 06m
Multiple Airlines
Deal found 1/25$347
This Southwest deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:45 am
BNA
-
ISP
1 stop3h 55m
Southwest
Mon 3/166:00 am
ISP
-
BNA
1 stop5h 25m
Southwest
Deal found 1/25$364
This Southwest deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:25 am
BNA
-
ISP
1 stop4h 10m
Southwest
Sun 8/236:20 am
ISP
-
BNA
1 stop4h 35m
Southwest
Deal found 1/26$387

Find flight deals from Nashville to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Nashville (BNA) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$193
(Kiwi.com)

One-way from

$71
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$356
Provider with most accurate pricing for Nashville Intl-Islip Long Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for Nashville Intl-Islip Long Island flights.
Search Deals
From Nashville Intl to Islip Long Island
Search Deals
One-way flight from Nashville Intl to Islip Long Island
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Nashville to Islip 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, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from Nashville to Islip that are best for you.

Fly from

Nashville

Fly to

Islip

Route

Depart

Return

Price

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Fri 3/13

6:29 am-11:10 am

2 stops27h 41m

Islip Long Island

Mon 3/16

1:22 pm-10:41 am

1 stop22h 19m

$275

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Thu 3/5

2:25 pm-11:55 pm

2 stops8h 30m

Islip Long Island

Mon 3/9

2:00 pm-8:00 pm

1 stop7h 00m

$346

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Tue 2/10

5:50 pm-1:13 pm

1 stop18h 23m

Islip Long Island

Sat 2/14

8:23 pm-8:29 am

1 stop13h 06m

$347

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Fri 3/13

6:45 am-11:40 am

1 stop3h 55m

Islip Long Island

Mon 3/16

6:00 am-10:25 am

1 stop5h 25m

$364

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Fri 2/27

8:52 pm-4:12 pm

2 stops18h 20m

$122

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Mon 5/25

9:35 am-8:25 pm

2 stops9h 50m

$215

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Mon 5/25

6:54 pm-1:33 pm

3 stops41h 39m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Compare providers for flights from Nashville to Islip

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Nashville to Islip in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Nashville-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Nashville-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Nashville-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Nashville-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Nashville-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Nashville to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Nashville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Nashville to Islip

What is the cheapest month to book a flight from Nashville to Islip, New York?

Currently, April is the cheapest month in which you can book a flight from Nashville to Islip, New York (average of $42). Flying from Nashville to Islip, New York in December is currently the most expensive (average of $96). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated January 26, 2026.
Get a feel of what it's like to fly with Southwest from Nashville to Islip by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,268 reviews

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Nashville to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Nashville to Islip, New York?

    Southwest can get you from Nashville to Islip, New York in just under 8h 30m. Your travel time can differ by up to . The distance between Nashville and Islip, New York is about 801 mi.

  • What is the cheapest airline to fly from Nashville to Islip, New York round-trip?

    Southwest, at $301, was found to be the cheapest airline from Nashville to Islip, New York.. Southwest is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Nashville to Islip that include hotel bookings?

    Yes. In addition to deals on Nashville to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Nashville to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Nashville to Islip.

  • Can I find deals for business class flights from Nashville to Islip?

    Yes. Cheapflights offers flight deals from Nashville to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Nashville to Islip, New York?

    Currently, April is the cheapest month in which you can book a flight from Nashville to Islip, New York (average of $42). Flying from Nashville to Islip, New York in December is currently the most expensive (average of $96). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Nashville to Islip

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to John F Kennedy Intl flights
Nashville to LaGuardia flights
Nashville to Newark flights
Memphis to LaGuardia flights
Chattanooga to LaGuardia flights
Memphis to John F Kennedy Intl flights
Memphis to Newark flights
Knoxville to LaGuardia flights
Chattanooga to John F Kennedy Intl flights
Knoxville to John F Kennedy Intl flights
Chattanooga to Newark flights
Knoxville to Newark flights
Nashville to Albany flights
Nashville to Buffalo flights
Nashville to White Plains flights
Blountville to Buffalo flights
Nashville to Syracuse flights
Nashville to Stewart flights
Chattanooga to Albany flights
Chattanooga to Rochester flights
Knoxville to Albany flights
Memphis to Buffalo flights
Knoxville to Syracuse flights
Knoxville to Stewart flights
Memphis to Albany flights
Blountville to John F Kennedy Intl flights
Nashville to Rochester flights
Blountville to Newark flights
Blountville to LaGuardia flights
Knoxville to Buffalo flights
Knoxville to Rochester flights
Chattanooga to Buffalo flights
Memphis to Rochester flights
Chattanooga to White Plains flights
Chattanooga to Syracuse flights
Chattanooga to Elmira flights
Memphis to Stewart flights
Nashville to Ithaca flights
Memphis to Syracuse flights
Nashville to Rutland flights
Chattanooga to Stewart flights
Knoxville to Ithaca flights
Blountville to Syracuse flights
Knoxville to White Plains flights
Blountville to Albany flights
Nashville to Elmira flights
Memphis to Binghamton flights
Blountville to Ithaca flights
Knoxville to Elmira flights

Top airline flying from Nashville to Islip

Discover the top airline that operate flights from Nashville to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$301Average$386FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.