HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$111+ Cheap flights from Nashville to Islip (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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ISP
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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

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 septiembre 11, 2025.

Round-trip from

$219
(Southwest)

One-way from

$111
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$366
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. 7% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 septiembre 11, 2025.

This Southwest deal was found by Cheapflights users on 9/10. 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.
mar. 10/214:45 pmBNA - ISP
1 stop4h 20mSouthwest
mié. 10/294:55 pmISP - BNA
1 stop3h 55mSouthwest
Deal found 9/10$219
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/253:21 pmBNA - ISP
2 stops18h 19mFrontier
dom. 9/2811:25 amISP - BNA
1 stop7h 46mFrontier
Deal found 9/10$225
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
jue. 10/910:44 amBNA - ISP
1 stop8h 58mMultiple Airlines
jue. 10/169:37 pmISP - BNA
1 stop26h 43mMultiple Airlines
Deal found 9/11$251
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
jue. 9/251:12 pmBNA - ISP
2 stops44h 43mMultiple Airlines
lun. 9/295:05 pmISP - BNA
1 stop7h 18mMultiple Airlines
Deal found 9/10$261
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
lun. 9/295:05 amBNA - ISP
1 stop28h 35mMultiple Airlines
jue. 10/211:40 amISP - BNA
1 stop12h 43mMultiple Airlines
Deal found 9/11$274
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
vie. 9/265:55 pmBNA - ISP
1 stop16h 00mMultiple Airlines
vie. 10/35:05 pmISP - BNA
1 stop7h 18mMultiple Airlines
Deal found 9/11$304

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 septiembre 11, 2025.
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

mar. 10/21

4:45 pm-10:05 pm

1 stop4h 20m

Islip Long Island

mié. 10/29

4:55 pm-7:50 pm

1 stop3h 55m

$219

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

jue. 9/25

3:21 pm-10:40 am

2 stops18h 19m

Islip Long Island

dom. 9/28

11:25 am-6:11 pm

1 stop7h 46m

$225

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

jue. 10/9

10:44 am-8:42 pm

1 stop8h 58m

Islip Long Island

jue. 10/16

9:37 pm-11:20 pm

1 stop26h 43m

$251

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

lun. 9/29

5:05 am-10:40 am

1 stop28h 35m

Islip Long Island

jue. 10/2

11:40 am-11:23 pm

1 stop12h 43m

$274

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

vie. 9/26

5:55 pm-10:55 am

1 stop16h 00m

Islip Long Island

vie. 10/3

5:05 pm-11:23 pm

1 stop7h 18m

$304

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

lun. 9/29

7:20 am-4:30 pm

2 stops8h 10m

Islip Long Island

jue. 10/2

5:35 pm-10:55 pm

2 stops6h 20m

$384

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

lun. 9/29

5:05 am-10:40 am

1 stop28h 35m

$111

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

vie. 11/7

5:05 am-1:52 pm

1 stop7h 47m

$112

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

jue. 10/2

5:05 am-10:40 am

1 stop28h 35m

$119

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

sáb. 11/8

9:30 am-3:00 pm

1 stop4h 30m

$126

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 14 results
1
2

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?

Currently, January is the cheapest month in which you can book a flight from Nashville to Islip (average of $108). Flying from Nashville to Islip in November is currently the most expensive (average of $213). 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.

What is the cheapest time of day to fly from BNA to ISP?

Find hourly flight availability from Nashville to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

One of the essential ways to save on airfare from Nashville to Islip is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 11% on airfare.

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 septiembre 11, 2025.
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
4,248 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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?

    Departing from Nashville to Islip will take you 4h 20m. Airlines will cover a distance of 801 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Southwest is currently your cheapest option to Islip, with prices starting at $301. This flight start at 41% lower than the current average price 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?

    Currently, January is the cheapest month in which you can book a flight from Nashville to Islip (average of $108). Flying from Nashville to Islip in November is currently the most expensive (average of $213). 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
Southampton

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 LaGuardia flights
Nashville to John F Kennedy Intl flights
Nashville to Newark flights
Memphis to LaGuardia flights
Memphis to Newark flights
Memphis to John F Kennedy Intl flights
Chattanooga to LaGuardia 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 Buffalo flights
Knoxville to Albany flights
Knoxville to Buffalo flights
Nashville to Stewart flights
Nashville to Albany flights
Memphis to Stewart flights
Chattanooga to Albany flights
Nashville to Syracuse flights
Chattanooga to Rochester flights
Nashville to White Plains flights
Memphis to Syracuse flights
Memphis to Buffalo flights
Chattanooga to Buffalo flights
Nashville to Rochester flights
Blountville to John F Kennedy Intl flights
Knoxville to Rochester flights
Blountville to Newark flights
Blountville to LaGuardia flights
Chattanooga to White Plains flights
Knoxville to Syracuse flights
Chattanooga to Syracuse flights
Knoxville to White Plains flights
Blountville to Albany flights
Memphis to Rochester flights
Memphis to Albany flights
Knoxville to Stewart flights
Memphis to White Plains flights
Chattanooga to Elmira flights
Knoxville to Elmira flights
Knoxville to Ithaca flights
Nashville to Ithaca flights
Nashville to Elmira flights
Blountville to Syracuse flights
Blountville to Buffalo flights
Memphis to Islip flights
Knoxville to Binghamton flights
Nashville to Rutland 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$301Average$410FlexibilityNo 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.