HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$115+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ISP
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Sat 5/25:53 pm
BNA
-
ISP
1 stop14h 20m
Multiple Airlines
Fri 5/84:07 pm
ISP
-
BNA
1 stop23h 11m
Multiple Airlines
Deal found 3/6$288
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 6/1212:58 pm
BNA
-
ISP
1 stop19h 10m
Multiple Airlines
Sun 6/1410:03 am
ISP
-
BNA
1 stop9h 53m
Multiple Airlines
Deal found 3/7$336
This Southwest deal was found by Cheapflights users on 3/6. 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.
Mon 5/182:35 pm
BNA
-
ISP
2 stops7h 55m
Southwest
Wed 5/2012:30 pm
ISP
-
BNA
1 stop6h 40m
Southwest
Deal found 3/6$340
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 3/266:15 am
BNA
-
ISP
1 stop8h 58m
Multiple Airlines
Mon 3/308:45 pm
ISP
-
BNA
2 stops17h 44m
Multiple Airlines
Deal found 3/11$348
This Southwest deal was found by Cheapflights users on 3/7. 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 6/46:05 pm
BNA
-
ISP
1 stop4h 30m
Southwest
Sun 6/76:00 am
ISP
-
BNA
1 stop5h 20m
Southwest
Deal found 3/7$361
This Southwest deal was found by Cheapflights users on 3/7. 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.
Wed 7/156:50 am
BNA
-
ISP
1 stop5h 55m
Southwest
Sat 7/185:15 pm
ISP
-
BNA
1 stop6h 40m
Southwest
Deal found 3/7$362
This Southwest deal was found by Cheapflights users on 3/6. 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.
Sat 5/26:30 am
BNA
-
ISP
2 stops8h 15m
Southwest
Fri 5/84:30 pm
ISP
-
BNA
2 stops7h 30m
Southwest
Deal found 3/6$371

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$288
(Kiwi.com)

One-way from

$115
(Frontier)

Popular in

December

Cheapest in

August

Average price

$197
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. 13% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 11, 2026.
Use the filters below to find and compare flights from Nashville to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Mon 5/18

2:35 pm-11:30 pm

2 stops7h 55m

Islip Long Island

Wed 5/20

12:30 pm-6:10 pm

1 stop6h 40m

$340
Quickest round-trip

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Thu 6/4

6:05 pm-11:35 pm

1 stop4h 30m

Islip Long Island

Sun 6/7

6:00 am-10:20 am

1 stop5h 20m

$361

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Sat 5/2

6:30 am-3:45 pm

2 stops8h 15m

Islip Long Island

Fri 5/8

4:30 pm-11:00 pm

2 stops7h 30m

$371

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Mon 4/27

6:05 pm-11:30 pm

1 stop4h 25m

Islip Long Island

Fri 5/1

12:30 pm-5:20 pm

2 stops5h 50m

$376

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Thu 3/19

6:15 am-3:49 pm

1 stop8h 34m

Islip Long Island

Mon 3/23

1:22 pm-4:38 pm

1 stop28h 16m

$392

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Wed 3/25

5:33 pm-4:13 pm

1 stop21h 40m

Islip Long Island

Sun 3/29

7:26 pm-7:46 pm

2 stops25h 20m

$422

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Tue 3/31

5:33 pm-7:59 pm

1 stop25h 26m

Islip Long Island

Thu 4/2

8:36 pm-10:30 am

1 stop14h 54m

$465
Cheapest one-way

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Sun 4/5

11:20 am-7:04 pm

1 stop6h 44m

$115
Quickest one-way

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Fri 4/3

11:15 am-5:55 pm

1 stop5h 40m

$155

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Thu 5/14

7:45 am-1:28 pm

2 stops28h 43m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 March.
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 $43). Flying from Nashville to Islip, New York in December is currently the most expensive (average of $97). 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 March 11, 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
4,317 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Southwest
8.0
Very good
4,317 reviews
Southwest
8.0
Very good
4,317 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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 7h 55m. 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 38% 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 $43). Flying from Nashville to Islip, New York in December is currently the most expensive (average of $97). 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.

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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$301Average$371FlexibilityNo 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.