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$87+ Cheap flights from Islip, NY to Nashville (ISP - BNA)

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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BNA
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Islip to Nashville

Cheapest flights from Islip to Nashville
Explore the most affordable flight options available from Islip to Nashville. 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.
Sun 2/228:21 pm
ISP
-
BNA
1 stop14h 44m
Multiple Airlines
Sun 3/16:15 am
BNA
-
ISP
1 stop24h 23m
Multiple Airlines
Deal found 1/25$176
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 2/193:34 pm
ISP
-
BNA
1 stop17h 55m
Multiple Airlines
Mon 2/238:52 pm
BNA
-
ISP
2 stops34h 48m
Multiple Airlines
Deal found 1/25$274
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:36 pm
ISP
-
BNA
1 stop14h 45m
Multiple Airlines
Sun 4/196:30 am
BNA
-
ISP
2 stops30h 01m
Multiple Airlines
Deal found 1/26$307
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.
Sat 2/711:50 am
ISP
-
BNA
2 stops21h 39m
Multiple Airlines
Tue 2/105:50 pm
BNA
-
ISP
1 stop18h 23m
Multiple Airlines
Deal found 1/25$318
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 5/76:50 am
ISP
-
BNA
1 stop6h 20m
Southwest
Sat 5/94:25 pm
BNA
-
ISP
1 stop5h 55m
Southwest
Deal found 1/25$341
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 4/304:30 pm
ISP
-
BNA
1 stop4h 15m
Southwest
Sun 5/36:45 pm
BNA
-
ISP
1 stop4h 05m
Southwest
Deal found 1/25$364

Find flight deals from Islip to Nashville

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Nashville (BNA). 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

$176
(Kiwi.com)

One-way from

$87
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$394
Provider with most accurate pricing for Islip Long Island-Nashville Intl flight deals.
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Provider most trusted by Cheapflights users for Islip Long Island-Nashville Intl flights.
Search Deals
From Islip Long Island to Nashville Intl
Search Deals
One-way flight from Islip Long Island to Nashville Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Nashville 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 Islip to Nashville that are best for you.

Fly from

Islip

Fly to

Nashville

Route

Depart

Return

Price

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sun 2/22

8:21 pm-10:05 am

1 stop14h 44m

Nashville Intl

Sun 3/1

6:15 am-7:38 am

1 stop24h 23m

$176

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Thu 2/19

3:34 pm-8:29 am

1 stop17h 55m

Nashville Intl

Mon 2/23

8:52 pm-8:40 am

2 stops34h 48m

$274

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sun 4/12

8:36 pm-10:21 am

1 stop14h 45m

Nashville Intl

Sun 4/19

6:30 am-1:31 pm

2 stops30h 01m

$307

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sat 2/7

11:50 am-8:29 am

2 stops21h 39m

Nashville Intl

Tue 2/10

5:50 pm-1:13 pm

1 stop18h 23m

$318

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Thu 5/7

5:10 pm-11:00 pm

1 stop6h 50m

Nashville Intl

Sat 5/9

7:05 am-4:00 pm

2 stops7h 55m

$346

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Thu 4/30

4:30 pm-7:45 pm

1 stop4h 15m

Nashville Intl

Sun 5/3

6:45 pm-11:50 pm

1 stop4h 05m

$364

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Wed 6/3

4:10 pm-8:30 pm

1 stop5h 20m

Nashville Intl

Sun 6/7

5:15 am-11:45 am

1 stop5h 30m

$382

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Fri 2/20

3:34 pm-7:57 pm

1 stop29h 23m

$87

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sun 4/12

8:36 pm-10:21 am

1 stop14h 45m

$104

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sun 4/12

8:36 pm-11:30 pm

2 stops27h 54m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Compare providers for flights from Islip to Nashville

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 Islip to Nashville 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 Islip, New York-Nashville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Nashville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Nashville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Nashville 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 Islip, New York-Nashville 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 Islip to Nashville

Have a flexible travel schedule? Discover the best time to fly to Nashville from Islip 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 Islip to Nashville

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

Currently, April is the cheapest month in which you can book a flight from Islip, New York to Nashville (average of $46). Flying from Islip, New York to Nashville in November is currently the most expensive (average of $95). 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.

How much does it cost to fly round-trip from Islip, New York to Nashville?

Reviews of airlines servicing Nashville

Get insights into the airlines that provide service to Nashville. 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 Nashville. Reviews last updated January 26, 2026.
Get a feel of what it's like to fly with Southwest from Islip to Nashville by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

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
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

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 Islip to Nashville. 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 Islip, New York to Nashville round-trip?

    Currently priced at $248, Southwest will fly you from Islip, New York to Nashville and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Users have found that Southwest is 36% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Nashville 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 Islip, New York to Nashville?

    Currently, April is the cheapest month in which you can book a flight from Islip, New York to Nashville (average of $46). Flying from Islip, New York to Nashville in November is currently the most expensive (average of $95). 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 Nashville?

Book flights to Nashville if you plan to visit one of these locations
Bowling Green
Cookeville
Franklin
Murfreesboro
Lebanon
Brentwood
Hermitage
Goodlettsville
Franklin
Dickson
Mount Juliet
Hopkinsville
Smyrna
Antioch
Tullahoma

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Islip to Nashville

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Islip to Nashville

Discover the top airline that operate flights from Islip to Nashville. 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$248Average$368FlexibilityNo cancel feeOn-time63%

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