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Tennessee

$165+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BNA
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
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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 January 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Wed 2/411:50 am
ISP
-
BNA
2 stops21h 39m
Multiple Airlines
Fri 2/66:28 am
BNA
-
ISP
1 stop13h 19m
Multiple Airlines
Deal found 1/20$288
This Southwest deal was found by Cheapflights users on 1/19. 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 4/74:10 pm
ISP
-
TYS
1 stop4h 40m
Southwest
Tue 4/148:15 am
TYS
-
ISP
1 stop5h 35m
Southwest
Deal found 1/19$299
This Southwest deal was found by Cheapflights users on 1/19. 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.
Sun 3/86:15 am
ISP
-
TYS
1 stop7h 40m
Southwest
Mon 3/97:50 am
TYS
-
ISP
1 stop3h 50m
Southwest
Deal found 1/19$318
This Southwest deal was found by Cheapflights users on 1/20. 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 3/1712:20 pm
ISP
-
BNA
1 stop6h 30m
Southwest
Tue 3/243:10 pm
BNA
-
ISP
1 stop6h 30m
Southwest
Deal found 1/20$319
This Southwest deal was found by Cheapflights users on 1/20. 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
-
TYS
1 stop4h 45m
Southwest
Mon 5/412:15 pm
TYS
-
ISP
1 stop10h 15m
Southwest
Deal found 1/20$334
This Southwest deal was found by Cheapflights users on 1/20. 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
Sat 3/217:50 am
TYS
-
ISP
1 stop3h 50m
Southwest
Deal found 1/20$337
This Southwest deal was found by Cheapflights users on 1/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:10 pm
ISP
-
BNA
1 stop6h 50m
Southwest
Thu 4/301:05 pm
BNA
-
ISP
1 stop6h 20m
Southwest
Deal found 1/21$341
This Southwest deal was found by Cheapflights users on 1/20. 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 9/212:55 pm
ISP
-
TYS
1 stop6h 55m
Southwest
Sat 9/56:50 am
TYS
-
ISP
2 stops7h 40m
Southwest
Deal found 1/20$342
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Fri 4/106:15 am
ISP
-
BNA
1 stop12h 58m
Multiple Airlines
Mon 4/1311:06 am
BNA
-
ISP
1 stop11h 08m
Multiple Airlines
Deal found 1/21$346
This Southwest deal was found by Cheapflights users on 1/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:45 am
ISP
-
BNA
2 stops8h 00m
Southwest
Sun 3/226:35 am
BNA
-
ISP
1 stop4h 10m
Southwest
Deal found 1/21$358
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 2/57:43 pm
ISP
-
BNA
1 stop13h 46m
Multiple Airlines
Mon 2/98:43 pm
BNA
-
ISP
2 stops39h 30m
Multiple Airlines
Deal found 1/20$360
This Southwest deal was found by Cheapflights users on 1/20. 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.
Sun 3/15:35 am
ISP
-
BNA
1 stop5h 35m
Southwest
Mon 3/23:45 pm
BNA
-
ISP
1 stop5h 35m
Southwest
Deal found 1/20$364

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 January 22, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$288
(Kiwi.com)

One-way from

$165
(Southwest)

Popular in

April

Cheapest in

January

Average price

$215
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. 8% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 22, 2026.
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

Tue 4/7

4:10 pm-8:50 pm

1 stop4h 40m

Knoxville McGhee Tyson

Tue 4/14

8:15 am-1:50 pm

1 stop5h 35m

$299

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Sun 3/8

6:15 am-1:55 pm

1 stop7h 40m

Knoxville McGhee Tyson

Mon 3/9

7:50 am-11:40 am

1 stop3h 50m

$318

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Tue 3/17

12:20 pm-5:50 pm

1 stop6h 30m

Nashville Intl

Tue 3/24

3:10 pm-10:40 pm

1 stop6h 30m

$319

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Thu 4/30

4:30 pm-9:15 pm

1 stop4h 45m

Knoxville McGhee Tyson

Mon 5/4

12:15 pm-10:30 pm

1 stop10h 15m

$334

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Thu 3/19

5:55 pm-10:10 pm

1 stop4h 15m

Knoxville McGhee Tyson

Sat 3/21

7:50 am-11:40 am

1 stop3h 50m

$337

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Fri 3/27

12:15 pm-6:45 pm

1 stop6h 30m

Knoxville McGhee Tyson

Sun 3/29

7:40 am-11:45 am

1 stop4h 05m

$337

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Mon 4/27

4:30 pm-11:00 pm

2 stops7h 30m

Nashville Intl

Thu 4/30

9:40 am-4:30 pm

2 stops5h 50m

$352

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Wed 3/18

5:45 am-12:20 pm

2 stops7h 35m

Nashville Intl

Sun 3/22

6:35 am-11:45 am

1 stop4h 10m

$358

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sun 3/1

5:35 pm-11:00 pm

1 stop6h 25m

Nashville Intl

Mon 3/2

5:45 am-11:55 am

1 stop5h 10m

$364

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sun 3/29

5:55 pm-10:15 pm

1 stop5h 20m

Nashville Intl

Mon 3/30

6:45 pm-11:55 pm

1 stop4h 10m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 20 results
1
2

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 $94). 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.

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 January 22, 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
4,267 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

Comfort

8.0

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
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

Comfort

8.0

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 40m. There are 682 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 - 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 $94). 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

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 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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$248Average$368FlexibilityNo cancel feeOn-time63%

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