HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Tennessee

$147+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BNA
Mar 27 — Apr 31
Fri 3/27
Fri 4/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to Tennessee with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 February 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/21. 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 3/231:22 pm
ISP
-
BNA
1 stop22h 19m
Multiple Airlines
Mon 3/306:29 am
BNA
-
ISP
2 stops41h 52m
Multiple Airlines
Deal found 2/21$263
This Southwest deal was found by Cheapflights users on 2/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:10 pm
ISP
-
BNA
1 stop5h 20m
Southwest
Sat 5/26:30 am
BNA
-
ISP
1 stop4h 05m
Southwest
Deal found 2/24$285
This Kiwi.com deal was found by Cheapflights users on 2/24. 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.
Thu 5/144:07 pm
ISP
-
BNA
1 stop7h 42m
Multiple Airlines
Mon 5/185:58 pm
BNA
-
ISP
2 stops40h 19m
Multiple Airlines
Deal found 2/24$299
This Southwest deal was found by Cheapflights users on 2/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/195:55 pm
ISP
-
TYS
1 stop4h 15m
Southwest
Mon 3/233:45 pm
TYS
-
ISP
2 stops8h 10m
Southwest
Deal found 2/24$304
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 4/164:07 pm
ISP
-
BNA
1 stop7h 42m
Multiple Airlines
Thu 4/235:58 pm
BNA
-
ISP
1 stop14h 15m
Multiple Airlines
Deal found 2/25$307
This Kiwi.com deal was found by Cheapflights users on 2/25. 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.
Fri 6/1210:03 am
ISP
-
BNA
2 stops14h 15m
Multiple Airlines
Mon 6/1512:58 pm
BNA
-
ISP
1 stop19h 10m
Multiple Airlines
Deal found 2/25$312
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/91:22 pm
ISP
-
BNA
1 stop22h 19m
Multiple Airlines
Fri 3/135:33 pm
BNA
-
ISP
2 stops16h 37m
Multiple Airlines
Deal found 2/22$313
This Southwest deal was found by Cheapflights users on 2/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:30 pm
ISP
-
TYS
1 stop4h 45m
Southwest
Mon 5/116:35 am
TYS
-
ISP
2 stops9h 55m
Southwest
Deal found 2/24$314
This Southwest deal was found by Cheapflights users on 2/22. 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.
Wed 4/89:00 am
ISP
-
BNA
1 stop6h 30m
Southwest
Tue 4/146:40 am
BNA
-
ISP
1 stop6h 10m
Southwest
Deal found 2/22$319
This Kiwi.com deal was found by Cheapflights users on 2/23. 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.
Sat 3/2810:43 am
ISP
-
TYS
1 stop10h 51m
Multiple Airlines
Sun 3/299:56 pm
TYS
-
ISP
1 stop12h 17m
Multiple Airlines
Deal found 2/23$323
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 4/244:07 pm
ISP
-
BNA
1 stop7h 42m
Multiple Airlines
Sun 4/267:19 pm
BNA
-
ISP
2 stops23h 17m
Multiple Airlines
Deal found 2/22$326
This Southwest deal was found by Cheapflights users on 2/25. 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.
Fri 5/84:30 pm
ISP
-
TYS
1 stop4h 45m
Southwest
Sun 5/1012:15 pm
TYS
-
ISP
1 stop11h 30m
Southwest
Deal found 2/25$328

Find flight deals from Islip to Tennessee

Keep the following information in mind while searching for Islip to Tennessee flight deals. Data was last updated February 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$263
(Kiwi.com)

One-way from

$147
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$249
Provider with most accurate pricing for New York (NYC)-Nashville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Nashville Intl flights.
Search Deals
From Islip Long Island to Tennessee
Search Deals
One-way flight from Islip Long Island to Tennessee
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 25, 2026.
Use the filters below to find and compare flights from Islip to Tennessee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Thu 3/19

5:55 pm-10:10 pm

1 stop4h 15m

Knoxville McGhee Tyson

Mon 3/23

3:45 pm-11:55 pm

2 stops8h 10m

$304

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Wed 4/8

9:00 am-2:30 pm

1 stop6h 30m

Nashville Intl

Tue 4/14

6:40 am-1:50 pm

1 stop6h 10m

$319

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Fri 5/8

4:30 pm-9:15 pm

1 stop4h 45m

Knoxville McGhee Tyson

Sun 5/10

12:15 pm-11:50 pm

2 stops11h 35m

$328

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Tue 6/2

9:00 am-2:30 pm

1 stop6h 30m

Nashville Intl

Wed 6/3

1:15 pm-10:10 pm

2 stops7h 55m

$342

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Sat 6/20

2:45 pm-9:20 pm

1 stop6h 35m

Knoxville McGhee Tyson

Fri 6/26

2:20 pm-11:35 pm

2 stops9h 15m

$342

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Fri 4/24

4:07 pm-10:49 pm

1 stop7h 42m

Nashville Intl

Sun 4/26

5:05 pm-1:31 pm

2 stops19h 26m

$353

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Thu 4/16

4:30 pm-9:15 pm

1 stop4h 45m

Knoxville McGhee Tyson

Sun 4/19

12:15 pm-11:45 pm

1 stop11h 30m

$362

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Thu 4/16

4:30 pm-11:00 pm

2 stops7h 30m

Nashville Intl

Thu 4/23

9:40 am-4:30 pm

2 stops5h 50m

$364

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Mon 3/23

6:00 am-10:25 am

1 stop5h 25m

Nashville Intl

Mon 3/30

6:45 pm-11:55 pm

1 stop4h 10m

$364

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Fri 3/20

2:00 pm-8:00 pm

1 stop7h 00m

Nashville Intl

Mon 3/23

6:45 pm-11:55 pm

1 stop4h 10m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 33 resultsSorted by cheapest first
1
2
3
4

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 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 Tennessee?

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 February 25, 2026.
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
4,299 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

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
4,299 reviews
Southwest
8.0
Very good
4,299 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

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 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 4h 15m. There are 682 mi between Islip, New York and Tennessee.

  • 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 - Knoxville McGhee Tyson or Islip Long Island - Memphis 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 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Islip to Tennessee

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Fort Lauderdale flights
John F Kennedy Intl to Miami flights
Newark to Miami flights
LaGuardia to Fort Lauderdale flights
John F Kennedy Intl to Fort Lauderdale flights
LaGuardia to Miami flights
John F Kennedy Intl to Orlando flights
Newark to West Palm Beach flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to West Palm Beach flights
Newark to Las Vegas flights
Newark to Dallas/Fort Worth flights
LaGuardia to Orlando flights
Newark to Orlando flights
John F Kennedy Intl to Las Vegas flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
John F Kennedy Intl to San Francisco flights
Newark to Tampa flights
John F Kennedy Intl to Hobby flights
Newark to Los Angeles flights
Newark to Hobby flights
John F Kennedy Intl to Tampa flights
Newark to Sky Harbor Intl flights
Newark to San Francisco flights
John F Kennedy Intl to O'Hare Intl flights
Newark to New Orleans flights
LaGuardia to Los Angeles flights
John F Kennedy Intl to New Orleans flights
LaGuardia to Tampa flights
John F Kennedy Intl to Sky Harbor Intl flights
LaGuardia to Hobby flights
LaGuardia to New Orleans flights
LaGuardia to West Palm Beach flights
Newark to Seattle flights
LaGuardia to Las Vegas flights
John F Kennedy Intl to Atlanta flights
John F Kennedy Intl to Austin flights
John F Kennedy Intl to George Bush Intcntl flights
Newark to O'Hare Intl flights
Newark to George Bush Intcntl flights
LaGuardia to O'Hare Intl flights
Newark to Fort Myers flights
John F Kennedy Intl to Seattle flights
LaGuardia to Atlanta flights
John F Kennedy Intl to Fort Myers flights
John F Kennedy Intl to Sarasota flights
Newark to Nashville flights
John F Kennedy Intl to Nashville flights
Newark to Atlanta flights

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 February 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$243Average$374FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.