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$194+ Cheap flights from Islip, NY (ISP) to Tennessee

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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BNA
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Find flight deals from Islip to Tennessee

Cheapest flights from Islip to Tennessee
Explore the most affordable flight options available from Islip to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/26. 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.
Mon 12/1510:19 amISP - BNA
1 stop25h 03mMultiple Airlines
Thu 12/185:23 pmBNA - ISP
1 stop18h 19mMultiple Airlines
Deal found 11/26$262
This Mytrip deal was found by Cheapflights users on 11/24. 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 12/83:55 pmISP - BNA
3 stops19h 27mMultiple Airlines
Thu 12/116:56 pmBNA - ISP
1 stop14h 40mMultiple Airlines
Deal found 11/24$267
This Kiwi.com deal was found by Cheapflights users on 11/24. 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 12/88:47 pmISP - BNA
2 stops26h 21mMultiple Airlines
Fri 12/124:56 pmBNA - ISP
1 stop15h 17mMultiple Airlines
Deal found 11/24$313
This Kiwi.com deal was found by Cheapflights users on 11/26. 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.
Thu 12/1110:19 amISP - BNA
1 stop12h 49mMultiple Airlines
Mon 12/1512:56 pmBNA - ISP
2 stops29h 38mMultiple Airlines
Deal found 11/26$319
This Kiwi.com deal was found by Cheapflights users on 11/23. 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 12/218:35 pmISP - BNA
1 stop11h 26mMultiple Airlines
Sun 12/288:38 pmBNA - ISP
2 stops37h 22mMultiple Airlines
Deal found 11/23$325
This Kiwi.com deal was found by Cheapflights users on 11/25. 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.
Mon 12/1510:19 amISP - TYS
1 stop7h 01mMultiple Airlines
Wed 12/172:53 pmTYS - ISP
2 stops32h 38mMultiple Airlines
Deal found 11/25$347

Cheap flight deals from Islip to Tennessee

Keep the following information in mind while searching for Islip to Tennessee flight deals. Data was last updated November 26, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$229
(Kiwi.com)

One-way from

$194
(Southwest)

Popular in

April

Cheapest in

January

Average price

$268
Provider with most accurate pricing for New York (NYC)-Nashville Intl flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Nashville Intl flights.
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From Islip Long Island to Tennessee
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One-way flight from Islip Long Island to Tennessee
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Highest demand for flights based on searches. 10% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Tennessee 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 November 26, 2025.
Use the filters below to find and compare flights from Islip to Tennessee that are best for you.

Fly from

Islip

Fly to

Tennessee

Route

Depart

Return

Price

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Sun 1/25

9:25 am-10:10 am

1 stop24h 45m

Knoxville McGhee Tyson

Wed 1/28

3:53 pm-11:15 am

2 stops19h 22m

$237

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Wed 1/14

11:50 am-8:29 am

2 stops21h 39m

Nashville Intl

Sat 1/17

6:28 am-10:46 pm

1 stop15h 18m

$252

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Mon 12/15

10:19 am-10:22 am

1 stop25h 03m

Nashville Intl

Thu 12/18

5:23 pm-12:42 pm

1 stop18h 19m

$262

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Mon 12/8

3:55 pm-10:22 am

3 stops19h 27m

Nashville Intl

Thu 12/11

6:56 pm-10:36 am

1 stop14h 40m

$267

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sun 2/22

11:55 am-8:29 am

2 stops21h 34m

Nashville Intl

Wed 2/25

5:58 pm-9:47 am

1 stop14h 49m

$287

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Mon 12/8

8:47 pm-10:08 pm

2 stops26h 21m

Nashville Intl

Fri 12/12

4:56 pm-9:13 am

1 stop15h 17m

$313

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sun 12/21

8:35 pm-7:01 am

1 stop11h 26m

Nashville Intl

Sun 12/28

8:38 pm-11:00 am

2 stops37h 22m

$325

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Wed 1/14

6:00 am-1:20 pm

2 stops8h 20m

Nashville Intl

Sat 1/17

5:45 am-3:25 pm

2 stops8h 40m

$340

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Mon 12/15

10:19 am-5:20 pm

1 stop7h 01m

Knoxville McGhee Tyson

Wed 12/17

2:53 pm-11:31 pm

2 stops32h 38m

$347

IslipMemphis

ISP - MEM

ISPMEM

Islip Long Island

Fri 1/16

8:54 pm-10:19 am

1 stop14h 25m

Memphis

Mon 1/19

11:14 am-8:09 pm

1 stop7h 55m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 24 results
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Best time to book a flight from Islip to Tennessee

Have a flexible travel schedule? Discover the best time to fly to Tennessee 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 Tennessee

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

Currently, April is the cheapest month in which you can book a flight from Islip, New York to Tennessee (average of $46). Flying from Islip, New York to Tennessee in August is currently the most expensive (average of $93). 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 TN?

Find hourly flight availability from Islip to Tennessee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 26, 2025.

One of the essential ways to save on airfare from Islip, New York to Tennessee is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 33% on airfare.

Reviews of airlines servicing Tennessee

Get insights into the airlines that provide service to Tennessee. 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 Tennessee. Reviews last updated November 26, 2025.
Read through reviews of airlines operating flights from Islip to Tennessee, such as Southwest. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

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
4,254 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

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 Islip to Tennessee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Islip to Tennessee?

    Islip Long Island (ISP) is the airport you will fly out of if you book a flight from Islip to Tennessee. It is only a 7.2 mi journey to Long Island (ISP) from Islip’s city center.

  • How long is the flight from Islip, New York to Tennessee?

    Departing from Islip, New York to Tennessee will take you 8h 55m. There are 999 mi between Islip, New York and Tennessee. This flight may include one or multiple stops.

  • What are the most popular routes from Islip, New York to Tennessee?

    When deciding which route to take from Islip, New York to Tennessee consider Islip Long Island - Nashville Intl, Islip Long Island - Memphis or Islip Long Island - Knoxville McGhee Tyson as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Tennessee 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 Tennessee?

    Currently, April is the cheapest month in which you can book a flight from Islip, New York to Tennessee (average of $46). Flying from Islip, New York to Tennessee in August is currently the most expensive (average of $93). 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

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Alternative routes for Islip to Tennessee

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Top airline flying from Islip to Tennessee

Discover the top airline that operate flights from Islip to Tennessee. 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$248Average$369FlexibilityNo cancel feeOn-time63%

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