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Islip

$108+ Cheap flights from Tennessee to Islip, NY (ISP)

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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ISP
Dec 14 — Dec 211
Sun 12/14
Sun 12/21
1 adult, Economy
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Cheap flight deals from Tennessee to Islip

Keep the following information in mind while searching for Tennessee to Islip flight deals. Data was last updated November 14, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$239
(Kiwi.com)

One-way from

$108
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$205
Provider with most accurate pricing for Nashville Intl-New York (NYC) flight deals.
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Provider most trusted by Cheapflights users for Nashville Intl-New York (NYC) flights.
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From Tennessee to Islip Long Island
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One-way flight from Tennessee to Islip Long Island
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Highest demand for flights based on searches. 5% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Tennessee to Islip

Cheapest flights from Tennessee to Islip
Explore the most affordable flight options available from Tennessee to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/157:41 pmBNA - ISP
2 stops22h 53mMultiple Airlines
Fri 12/191:27 pmISP - BNA
1 stop10h 47mMultiple Airlines
Deal found 11/12$239
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 12/177:42 pmMEM - ISP
1 stop14h 43mMultiple Airlines
Mon 12/228:35 pmISP - MEM
1 stop23h 47mMultiple Airlines
Deal found 11/13$262
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 12/187:11 pmMEM - ISP
1 stop27h 48mMultiple Airlines
Mon 12/228:35 pmISP - MEM
1 stop23h 47mMultiple Airlines
Deal found 11/13$270
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 11/281:16 pmBNA - ISP
2 stops17h 46mMultiple Airlines
Sun 12/711:15 amISP - BNA
1 stop27h 34mMultiple Airlines
Deal found 11/13$295
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/153:42 pmBNA - ISP
2 stops28h 00mMultiple Airlines
Mon 11/174:58 pmISP - BNA
1 stop7h 21mMultiple Airlines
Deal found 11/11$370
This Southwest deal was found by Cheapflights users on 11/12. 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 12/155:30 amBNA - ISP
2 stops8h 35mSouthwest
Fri 12/195:40 amISP - BNA
2 stops8h 35mSouthwest
Deal found 11/12$397
This Southwest deal was found by Cheapflights users on 11/13. 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 12/176:45 amMEM - ISP
2 stops7h 20mSouthwest
Mon 12/222:45 pmISP - MEM
2 stops8h 35mSouthwest
Deal found 11/13$410
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/225:45 amBNA - ISP
1 stop12h 55mMultiple Airlines
Sat 12/276:40 pmISP - BNA
1 stop29h 34mMultiple Airlines
Deal found 11/12$434
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 11/217:58 amBNA - ISP
2 stops49h 11mMultiple Airlines
Sun 11/238:25 pmISP - BNA
1 stop18h 27mMultiple Airlines
Deal found 11/13$451
This Southwest deal was found by Cheapflights users on 11/13. 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 12/1812:35 pmMEM - ISP
2 stops9h 00mSouthwest
Mon 12/222:45 pmISP - MEM
2 stops8h 35mSouthwest
Deal found 11/13$475
This Southwest deal was found by Cheapflights users on 11/13. 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 11/282:55 pmBNA - ISP
2 stops7h 55mSouthwest
Sun 12/75:50 amISP - BNA
2 stops5h 50mSouthwest
Deal found 11/13$483
This United deal was found by Cheapflights users on 11/12. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:40 amTYS - ISP
2 stops10h 05mMultiple Airlines
Sat 12/67:30 amISP - TYS
2 stops31h 13mMultiple Airlines
Deal found 11/12$984

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tennessee to Islip 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 14, 2025.
Use the filters below to find and compare flights from Tennessee to Islip that are best for you.

Fly from

Tennessee

Fly to

Islip

Route

Depart

Return

Price

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Mon 12/15

7:41 pm-7:34 pm

2 stops22h 53m

Islip Long Island

Fri 12/19

1:27 pm-11:14 pm

1 stop10h 47m

$239

MemphisIslip

MEM - ISP

MEMISP

Memphis

Wed 12/17

7:42 pm-11:25 am

1 stop14h 43m

Islip Long Island

Mon 12/22

8:35 pm-7:22 pm

1 stop23h 47m

$262

MemphisIslip

MEM - ISP

MEMISP

Memphis

Thu 12/18

7:11 pm-11:59 pm

1 stop27h 48m

Islip Long Island

Mon 12/22

8:35 pm-7:22 pm

1 stop23h 47m

$270

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Fri 11/28

1:16 pm-8:02 am

2 stops17h 46m

Islip Long Island

Sun 12/7

11:15 am-1:49 pm

1 stop27h 34m

$295

KnoxvilleIslip

TYS - ISP

TYSISP

Knoxville McGhee Tyson

Tue 5/12

8:15 am-11:55 am

1 stop3h 40m

Islip Long Island

Tue 5/19

4:15 pm-8:50 pm

1 stop4h 35m

$337

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Mon 12/15

5:30 am-3:05 pm

2 stops8h 35m

Islip Long Island

Fri 12/19

5:40 am-1:15 pm

2 stops8h 35m

$397

KnoxvilleIslip

TYS - ISP

TYSISP

Knoxville McGhee Tyson

Mon 5/11

8:05 am-4:30 pm

1 stop8h 25m

Islip Long Island

Mon 5/18

6:00 am-6:10 pm

2 stops12h 10m

$398

MemphisIslip

MEM - ISP

MEMISP

Memphis

Wed 12/17

6:45 am-3:05 pm

2 stops7h 20m

Islip Long Island

Mon 12/22

2:45 pm-10:20 pm

2 stops8h 35m

$410

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Mon 12/22

5:45 am-7:40 pm

1 stop12h 55m

Islip Long Island

Sat 12/27

6:40 pm-11:14 pm

1 stop29h 34m

$434

KnoxvilleIslip

TYS - ISP

TYSISP

Knoxville McGhee Tyson

Sun 5/10

7:45 am-11:50 am

1 stop4h 05m

Islip Long Island

Sun 5/17

6:05 am-7:00 pm

2 stops12h 55m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 17 results
1
2

Best time to book a flight from Tennessee to Islip

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

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

Currently, April is the cheapest month in which you can book a flight from Tennessee to Islip, New York (average of $41). Flying from Tennessee to Islip, New York in December is currently the most expensive (average of $87). 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 TN to ISP?

Find hourly flight availability from Tennessee to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 14, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 44% on flights from Tennessee to Islip, New York by exploring options for tickets in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Tennessee to Islip. 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 into for flights to Islip from Tennessee?

    If you book a flight to Islip from Tennessee, you will be flying to Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.

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

    Southwest can get you from Tennessee to Islip, New York in just under 3h 40m. Your travel time can differ by up to . Tennessee and Islip, New York are separated by a distance of 682 mi.

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

    Most travelers choose Nashville Intl - Islip Long Island, Knoxville McGhee Tyson - Islip Long Island or Memphis - Islip Long Island when deciding on the best route from Tennessee to Islip, New York.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Tennessee to Islip 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 Tennessee to Islip, New York?

    Currently, April is the cheapest month in which you can book a flight from Tennessee to Islip, New York (average of $41). Flying from Tennessee to Islip, New York in December is currently the most expensive (average of $87). 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 Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
Southampton

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Alternative routes for Tennessee to Islip

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Tennessee to Islip

Discover the top airline that operate flights from Tennessee to Islip. 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 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$301Average$399FlexibilityNo cancel feeOn-time63%

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