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Tennessee

$95+ 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BNA
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/611:57 am
ISP
-
BNA
2 stops22h 31m
Multiple Airlines
Sat 5/96:17 pm
BNA
-
ISP
1 stop13h 56m
Multiple Airlines
Deal found 3/6$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 Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:10 pm
ISP
-
TYS
1 stop4h 40m
Southwest
Wed 4/158:15 am
TYS
-
ISP
1 stop3h 40m
Southwest
Deal found 3/10$279
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.
Wed 5/136:30 am
ISP
-
TYS
2 stops10h 40m
Southwest
Tue 5/198:15 am
TYS
-
ISP
1 stop3h 40m
Southwest
Deal found 3/8$296
This Southwest deal was found by Cheapflights users on 3/6. 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 4/286:30 am
ISP
-
TYS
2 stops10h 40m
Southwest
Sat 5/26:40 am
TYS
-
ISP
2 stops9h 20m
Southwest
Deal found 3/6$301
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.
Fri 6/52:28 pm
ISP
-
MEM
2 stops21h 12m
Multiple Airlines
Mon 6/84:43 pm
MEM
-
ISP
1 stop15h 25m
Multiple Airlines
Deal found 3/8$313
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 6/52:28 pm
ISP
-
TYS
2 stops32h 25m
Multiple Airlines
Sun 6/147:01 pm
TYS
-
ISP
1 stop14h 07m
Multiple Airlines
Deal found 3/9$316
This Southwest deal was found by Cheapflights users on 3/7. 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.
Sat 5/910:00 am
ISP
-
TYS
2 stops8h 30m
Southwest
Sat 5/167:45 am
TYS
-
ISP
1 stop3h 50m
Southwest
Deal found 3/7$319
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.
Wed 4/226:30 am
ISP
-
BNA
1 stop4h 55m
Southwest
Wed 4/222:25 pm
BNA
-
ISP
1 stop7h 15m
Southwest
Deal found 3/8$335

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Kiwi.com)

One-way from

$95
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$297
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 ($17 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 March 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 March 11, 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

Cheapest round-trip

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Wed 4/8

9:00 am-7:40 pm

2 stops10h 40m

Knoxville McGhee Tyson

Wed 4/15

8:15 am-1:50 pm

1 stop5h 35m

$284

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Wed 5/13

6:30 am-5:10 pm

2 stops10h 40m

Knoxville McGhee Tyson

Tue 5/19

8:15 am-11:55 am

1 stop3h 40m

$296
Quickest round-trip

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Sat 5/9

9:20 am-1:20 pm

1 stop4h 00m

Knoxville McGhee Tyson

Sat 5/16

7:45 am-11:35 am

1 stop3h 50m

$314

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Mon 6/8

5:20 am-12:00 pm

1 stop7h 40m

Nashville Intl

Tue 6/9

6:50 am-11:50 am

1 stop4h 00m

$327

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Wed 5/6

5:15 pm-9:50 pm

1 stop5h 35m

Nashville Intl

Sat 5/9

4:25 pm-11:20 pm

1 stop5h 55m

$335

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sat 4/25

4:40 pm-9:35 pm

1 stop5h 55m

Nashville Intl

Mon 4/27

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

Mon 5/4

4:30 pm-11:00 pm

2 stops7h 30m

Nashville Intl

Thu 5/7

3:25 pm-11:30 pm

2 stops7h 05m

$345

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Wed 4/15

4:10 pm-8:50 pm

1 stop4h 40m

Knoxville McGhee Tyson

Mon 4/20

12:15 pm-11:30 pm

2 stops11h 15m

$351

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 42 resultsSorted by cheapest first
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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 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 March 11, 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
4,317 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

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
4,317 reviews
Southwest
8.0
Very good
4,317 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

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 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 10h 40m. 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

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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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$243Average$381FlexibilityNo cancel feeOn-time63%

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