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Islip

$74+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ISP
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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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 October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/141:14 pmBNA - ISP
1 stop20h 23mFrontier
Sun 11/169:27 pmISP - BNA
1 stop13h 48mFrontier
Deal found 10/27$182
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/54:56 pmBNA - ISP
1 stop15h 17mMultiple Airlines
Sun 12/711:15 amISP - BNA
1 stop24h 07mMultiple Airlines
Deal found 10/28$197
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/146:25 pmBNA - ISP
1 stop15h 12mMultiple Airlines
Wed 11/194:58 pmISP - BNA
1 stop28h 07mMultiple Airlines
Deal found 10/25$246
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 11/166:45 amBNA - ISP
1 stop26h 52mMultiple Airlines
Tue 11/186:27 pmISP - BNA
1 stop18h 03mMultiple Airlines
Deal found 10/27$247
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/146:25 pmBNA - ISP
1 stop15h 12mMultiple Airlines
Sun 11/169:27 pmISP - BNA
2 stops20h 49mMultiple Airlines
Deal found 10/27$250
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/264:41 pmBNA - ISP
1 stop15h 26mMultiple Airlines
Sun 11/308:25 pmISP - BNA
2 stops36h 37mMultiple Airlines
Deal found 10/26$279
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/289:07 amBNA - ISP
1 stop21h 55mMultiple Airlines
Wed 12/38:21 pmISP - BNA
2 stops36h 36mMultiple Airlines
Deal found 10/27$293
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:48 amBNA - ISP
2 stops28h 21mMultiple Airlines
Mon 12/292:04 pmISP - BNA
1 stop10h 10mMultiple Airlines
Deal found 10/26$343

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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$182
(Kiwi.com)

One-way from

$74
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$369
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. 10% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 28, 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

Fri 12/5

4:56 pm-9:13 am

1 stop15h 17m

Islip Long Island

Sun 12/7

11:15 am-10:22 am

1 stop24h 07m

$197

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Fri 11/14

6:25 pm-10:37 am

1 stop15h 12m

Islip Long Island

Wed 11/19

4:58 pm-8:05 pm

1 stop28h 07m

$246

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Fri 11/14

6:25 pm-10:37 am

1 stop15h 12m

Islip Long Island

Sun 11/16

9:27 pm-5:16 pm

2 stops20h 49m

$250

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Fri 11/28

9:07 am-8:02 am

1 stop21h 55m

Islip Long Island

Wed 12/3

6:00 am-7:58 pm

1 stop14h 58m

$278

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Wed 11/26

4:41 pm-9:07 am

1 stop15h 26m

Islip Long Island

Sun 11/30

8:25 pm-8:02 am

2 stops36h 37m

$279

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Sun 12/21

7:48 am-1:09 pm

2 stops28h 21m

Islip Long Island

Mon 12/29

2:04 pm-11:14 pm

1 stop10h 10m

$343

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Fri 12/5

1:20 pm-10:05 pm

2 stops7h 45m

Islip Long Island

Sun 12/7

5:30 pm-11:20 pm

2 stops6h 50m

$397

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Fri 11/28

2:55 pm-11:50 pm

2 stops7h 55m

Islip Long Island

Wed 12/3

12:55 pm-5:50 pm

2 stops5h 55m

$411

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Tue 11/18

6:45 am-5:42 pm

1 stop9h 57m

$74

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Sun 11/2

11:10 am-8:42 pm

1 stop8h 32m

$114

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 16 results
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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Nashville-Islip, New York flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $41). Flying from Nashville to Islip, New York in September is currently the most expensive (average of $90). 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 October 28, 2025.

One of the essential ways to save on airfare from Nashville to Islip, New York is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 20% 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 October 28, 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
4,240 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

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
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

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.

  • 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 $41). Flying from Nashville to Islip, New York in September is currently the most expensive (average of $90). 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

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Alternative routes for Nashville to Islip

See prices for flight routes from nearby airports that may be better suited for you.
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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$301Average$406FlexibilityNo cancel feeOn-time63%

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