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$111+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BNA
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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1. Tell us where you want to go

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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 March 13, 2026.

This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/274:07 pm
ISP
-
BNA
1 stop23h 11m
Multiple Airlines
Wed 4/296:43 pm
BNA
-
ISP
1 stop13h 50m
Multiple Airlines
Deal found 3/11$237
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:07 pm
ISP
-
BNA
1 stop25h 51m
Frontier
Sun 4/265:05 pm
BNA
-
ISP
1 stop15h 23m
Frontier
Deal found 3/11$238
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/2910:03 am
ISP
-
BNA
1 stop27h 00m
Frontier
Tue 6/212:58 pm
BNA
-
ISP
1 stop19h 10m
Frontier
Deal found 3/9$240
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Mon 5/44:07 pm
ISP
-
BNA
1 stop23h 11m
Multiple Airlines
Thu 5/78:01 pm
BNA
-
ISP
1 stop12h 12m
Multiple Airlines
Deal found 3/8$241
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1510:03 am
ISP
-
BNA
1 stop27h 00m
Frontier
Wed 6/1712:58 pm
BNA
-
ISP
1 stop19h 10m
Frontier
Deal found 3/11$261
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/264:07 pm
ISP
-
BNA
1 stop21h 22m
Multiple Airlines
Wed 4/296:43 pm
BNA
-
ISP
1 stop13h 50m
Multiple Airlines
Deal found 3/12$289
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/292:28 pm
ISP
-
BNA
2 stops22h 35m
Multiple Airlines
Tue 6/212:58 pm
BNA
-
ISP
1 stop19h 10m
Multiple Airlines
Deal found 3/9$292
This Southwest deal was found by Cheapflights users on 3/8. 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 6/85:20 am
ISP
-
BNA
1 stop7h 40m
Southwest
Tue 6/96:50 am
BNA
-
ISP
1 stop4h 00m
Southwest
Deal found 3/8$327
This Southwest deal was found by Cheapflights users on 3/8. 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 6/85:20 am
ISP
-
BNA
1 stop7h 40m
Southwest
Wed 6/101:30 pm
BNA
-
ISP
2 stops8h 05m
Southwest
Deal found 3/8$332
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 5/2811:00 am
ISP
-
BNA
1 stop9h 19m
Multiple Airlines
Mon 6/15:13 pm
BNA
-
ISP
1 stop23h 04m
Multiple Airlines
Deal found 3/11$334

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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Trip.com)

One-way from

$111
(Frontier)

Popular in

November

Cheapest in

August

Average price

$481
Provider with most accurate pricing for Islip Long Island-Nashville Intl flight deals.
Search Deals
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. 14% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 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 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 March 13, 2026.
Use the filters below to find and compare flights from Islip to Nashville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sat 5/2

6:00 am-9:25 am

1 stop4h 25m

Nashville Intl

Mon 5/4

6:05 pm-11:30 pm

1 stop4h 25m

$335

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Wed 4/22

6:30 am-10:25 am

1 stop4h 55m

Nashville Intl

Wed 4/22

2:25 pm-10:40 pm

1 stop7h 15m

$335

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Fri 4/24

5:10 pm-11:00 pm

1 stop6h 50m

Nashville Intl

Sat 4/25

3:10 pm-10:40 pm

1 stop6h 30m

$371

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Thu 5/28

4:30 pm-11:00 pm

2 stops7h 30m

Nashville Intl

Sun 5/31

4:50 pm-11:50 pm

2 stops6h 00m

$371
Quickest round-trip

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Fri 5/8

4:30 pm-7:45 pm

1 stop4h 15m

Nashville Intl

Mon 5/11

6:05 pm-11:30 pm

1 stop4h 25m

$371

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Mon 6/15

6:00 am-10:35 am

1 stop5h 35m

Nashville Intl

Wed 6/17

3:00 pm-10:35 pm

1 stop6h 35m

$374

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sat 8/15

2:00 pm-7:30 pm

1 stop6h 30m

Nashville Intl

Mon 8/17

5:25 am-12:35 pm

1 stop6h 10m

$387
Cheapest one-way

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Thu 5/14

11:00 am-4:17 pm

1 stop6h 17m

$111
Quickest one-way

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Wed 4/29

6:30 am-10:25 am

1 stop4h 55m

$160

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Thu 8/20

10:03 am-12:03 pm

1 stop27h 00m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 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 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 January is currently the most expensive (average of $107). 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 March 13, 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
4,319 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

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
4,319 reviews
Southwest
8.0
Very good
4,319 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

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 Islip to Nashville. 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 Islip, New York to Nashville?

    For as low as $327, Southwest can have you in Nashville from Islip, New York in 7h 40m. Airlines will cover a distance of 801 mi.

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

    Currently priced at $243, 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 38% 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 January is currently the most expensive (average of $107). 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
Hermitage
Goodlettsville
Brentwood
Franklin
Dickson
Mount Juliet
Hopkinsville
Antioch
Tullahoma

Browse thousands of different options on Cheapflights for your next trip

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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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$243Average$381FlexibilityNo cancel feeOn-time63%

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