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Islip

$159+ Cheap flights from Nashville to Islip, NY (BNA - ISP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ISP
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Nashville to Islip

Best flights from Nashville to Islip
Discover carefully curated flight deals from Nashville to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/9. 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 1/139:25 amBNA - ISP
1 stop12h 21mMultiple Airlines
Thu 1/157:58 pmISP - BNA
1 stop13h 31mMultiple Airlines
Deal found 12/9$159
This Southwest deal was found by Cheapflights users on 12/9. 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.
Tue 1/1312:35 pmBNA - ISP
2 stops8h 20mSouthwest
Thu 1/155:55 amISP - BNA
2 stops6h 55mSouthwest
Deal found 12/9$340
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 1/239:25 amBNA - ISP
2 stops24h 45mMultiple Airlines
Mon 1/267:43 pmISP - BNA
1 stop13h 46mMultiple Airlines
Deal found 12/9$204
This Southwest deal was found by Cheapflights users on 12/9. 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 1/231:05 pmBNA - ISP
2 stops7h 50mSouthwest
Mon 1/2612:40 pmISP - BNA
2 stops9h 35mSouthwest
Deal found 12/9$374
This Southwest deal was found by Cheapflights users on 12/9. 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 5/16:00 pmBNA - ISP
1 stop4h 30mSouthwest
Mon 5/48:35 amISP - BNA
1 stop6h 20mSouthwest
Deal found 12/9$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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$159
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$721
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
Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 12, 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

Tue 1/13

9:25 am-10:46 pm

1 stop12h 21m

Islip Long Island

Thu 1/15

7:58 pm-8:29 am

1 stop13h 31m

$159

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Fri 1/23

9:25 am-11:10 am

2 stops24h 45m

Islip Long Island

Mon 1/26

7:43 pm-8:29 am

1 stop13h 46m

$204

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Tue 1/13

12:35 pm-9:55 pm

2 stops8h 20m

Islip Long Island

Thu 1/15

5:55 am-11:50 am

2 stops6h 55m

$340

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Fri 1/23

1:05 pm-9:55 pm

2 stops7h 50m

Islip Long Island

Mon 1/26

12:40 pm-9:15 pm

2 stops9h 35m

$374

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Fri 5/1

6:00 pm-11:30 pm

1 stop4h 30m

Islip Long Island

Mon 5/4

8:35 am-1:55 pm

1 stop6h 20m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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 December.
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 $40). 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.

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 December 12, 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 December 12, 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
7.9
Good
4,253 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

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
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

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.

  • 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 37% 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 $40). 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

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$301Average$386FlexibilityNo cancel feeOn-time63%

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