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$112+ Cheap flights from Islip 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BNA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$214
(Booking.com)

One-way from

$112
(Trip.com)

Popular in

October

Cheapest in

August

Average price

$331
From Islip Long Island to Nashville Intl
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One-way flight from Islip Long Island to Nashville Intl
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Highest demand for flights based on searches. 8% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/199:47 pmISP - BNA
1 stop19h 42mFrontier
Wed 10/226:12 amBNA - ISP
2 stops37h 30mFrontier
Deal found 9/10$214
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/79:37 pmISP - BNA
1 stop13h 07mMultiple Airlines
Tue 10/148:05 pmBNA - ISP
1 stop13h 52mMultiple Airlines
Deal found 9/9$217
This Southwest deal was found by Cheapflights users on 9/9. 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 12/26:15 amISP - BNA
1 stop8h 35mSouthwest
Tue 12/91:30 pmBNA - ISP
1 stop6h 15mSouthwest
Deal found 9/9$219
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/149:37 pmISP - BNA
1 stop14h 58mMultiple Airlines
Thu 10/168:05 pmBNA - ISP
1 stop13h 32mMultiple Airlines
Deal found 9/9$223
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2811:25 amISP - BNA
1 stop7h 46mFrontier
Fri 10/32:59 pmBNA - ISP
2 stops18h 56mFrontier
Deal found 9/11$225
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/239:37 pmISP - BNA
1 stop19h 52mMultiple Airlines
Sun 10/268:05 pmBNA - ISP
1 stop13h 32mMultiple Airlines
Deal found 9/9$239
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:58 pmISP - BNA
2 stops45h 04mFrontier
Sun 10/265:15 pmBNA - ISP
1 stop16h 22mFrontier
Deal found 9/10$242
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sat 11/84:58 pmISP - BNA
1 stop18h 17mMultiple Airlines
Tue 11/115:05 amBNA - ISP
1 stop28h 32mMultiple Airlines
Deal found 9/8$244
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.
Sun 10/199:47 pmISP - BNA
1 stop12h 57mMultiple Airlines
Wed 10/228:05 pmBNA - ISP
1 stop23h 37mMultiple Airlines
Deal found 9/10$250
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/22:19 pmISP - BNA
1 stop9h 40mMultiple Airlines
Wed 10/88:05 pmBNA - ISP
1 stop23h 37mMultiple Airlines
Deal found 9/9$252

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 September 11, 2025.
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

Tue 10/7

9:37 pm-9:44 am

1 stop13h 07m

Nashville Intl

Tue 10/14

8:05 pm-10:57 am

1 stop13h 52m

$217

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Tue 12/2

6:15 am-1:50 pm

1 stop8h 35m

Nashville Intl

Tue 12/9

1:30 pm-8:45 pm

1 stop6h 15m

$219

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sun 9/28

11:25 am-6:11 pm

1 stop7h 46m

Nashville Intl

Fri 10/3

2:59 pm-10:55 am

2 stops18h 56m

$225

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Thu 10/23

9:37 pm-4:29 pm

1 stop19h 52m

Nashville Intl

Sun 10/26

8:05 pm-10:37 am

1 stop13h 32m

$239

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Fri 10/24

4:58 pm-1:02 pm

2 stops45h 04m

Nashville Intl

Sun 10/26

5:15 pm-10:37 am

1 stop16h 22m

$242

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Thu 10/2

2:19 pm-10:59 pm

1 stop9h 40m

Nashville Intl

Wed 10/8

8:05 pm-8:42 pm

1 stop23h 37m

$252

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Fri 10/24

5:35 pm-10:15 pm

1 stop5h 40m

Nashville Intl

Tue 10/28

7:45 am-12:25 pm

1 stop3h 40m

$263

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Thu 10/2

5:35 pm-10:15 pm

1 stop5h 40m

Nashville Intl

Wed 10/8

12:55 pm-10:05 pm

2 stops8h 10m

$270

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Fri 10/24

4:58 pm-11:20 pm

1 stop7h 22m

Nashville Intl

Sun 10/26

5:15 pm-10:37 am

1 stop16h 22m

$270

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Tue 9/30

11:25 am-6:48 pm

1 stop8h 23m

$112

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 17 results
1
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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 to Nashville?

Currently, January is the cheapest month in which you can book a flight from Islip to Nashville (average of $220). Flying from Islip to Nashville in June is currently the most expensive (average of $290). 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 ISP to BNA?

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

When flying from Islip to Nashville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 17% versus a flight at noon.

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 September 11, 2025.
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
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

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

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

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 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 to Nashville?

    A quick flight from Islip to Nashville can take about 7h 46m. Southwest provides one of the quickest options available for as low as $225. There are 801 mi between Islip and Nashville. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, Southwest ($272), offers the cheapest pricing from Islip to Nashville. Southwest is priced at 28% lower than the current average price of a flight leaving 3 months from now.

  • 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 to Nashville?

    Currently, January is the cheapest month in which you can book a flight from Islip to Nashville (average of $220). Flying from Islip to Nashville in June is currently the most expensive (average of $290). 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
Lebanon
Murfreesboro
Antioch
Hermitage
Brentwood
Franklin
Dickson
Mount Juliet
Goodlettsville
Hopkinsville
Smyrna
Springfield
Tullahoma
Spring Hill

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$272Average$385FlexibilityNo cancel feeOn-time63%

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