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$100+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BNA
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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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 July 2, 2025.

Round-trip from

$237
(Southwest)

One-way from

$100
(Frontier)

Popular in

April

Cheapest in

August

Average price

$197
From Islip Long Island to Tennessee
Search Deals
One-way flight from Islip Long Island to Tennessee
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Highest demand for flights based on searches. 17% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 2, 2025.

This Southwest deal was found by Cheapflights users on 7/2. 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 8/73:05 pmISP - BNA
1 stop5h 45mSouthwest
Mon 8/116:05 pmBNA - ISP
1 stop3h 50mSouthwest
Deal found 7/2$237
This Gotogate deal was found by Cheapflights users on 7/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/28:37 pmISP - BNA
1 stop24h 17mFrontier
Mon 8/49:27 amBNA - ISP
2 stops29h 15mFrontier
Deal found 7/2$286
This Southwest deal was found by Cheapflights users on 6/30. 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 10/1012:45 pmISP - MEM
1 stop5h 30mSouthwest
Sun 10/1212:00 pmMEM - ISP
1 stop4h 55mSouthwest
Deal found 6/30$422
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Tue 8/191:55 pmISP - BNA
2 stops10h 25mMultiple Airlines
Thu 8/218:17 amBNA - ISP
3 stops24h 47mMultiple Airlines
Deal found 7/1$491
This Expedia deal was found by Cheapflights users on 7/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/168:37 pmISP - MEM
2 stops23h 11mFrontier
Sun 7/207:48 pmMEM - ISP
2 stops16h 16mFrontier
Deal found 7/1$576
This FlightHub deal was found by Cheapflights users on 6/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/308:37 pmISP - TYS
2 stops19h 52mFrontier
Sun 8/35:25 pmTYS - ISP
2 stops26h 27mFrontier
Deal found 6/29$609
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Tue 7/291:55 pmISP - TYS
3 stops21h 55mMultiple Airlines
Tue 8/58:20 amTYS - ISP
1 stop11h 41mMultiple Airlines
Deal found 7/1$624
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Wed 7/162:55 pmISP - MEM
2 stops26h 34mMultiple Airlines
Sun 7/204:02 pmMEM - ISP
3 stops17h 02mMultiple Airlines
Deal found 7/1$745

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 July 2, 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

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Thu 8/7

3:05 pm-7:50 pm

1 stop5h 45m

Nashville Intl

Mon 8/11

6:05 pm-10:55 pm

1 stop3h 50m

$237

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sat 8/2

8:37 pm-7:54 pm

1 stop24h 17m

Nashville Intl

Mon 8/4

9:27 am-3:42 pm

2 stops29h 15m

$286

IslipMemphis

ISP - MEM

ISPMEM

Islip Long Island

Fri 10/10

12:45 pm-5:15 pm

1 stop5h 30m

Memphis

Sun 10/12

12:00 pm-5:55 pm

1 stop4h 55m

$422

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Tue 8/19

1:55 pm-11:20 pm

2 stops10h 25m

Nashville Intl

Thu 8/21

8:17 am-10:04 am

3 stops24h 47m

$491

IslipMemphis

ISP - MEM

ISPMEM

Islip Long Island

Wed 7/16

8:37 pm-6:48 pm

2 stops23h 11m

Memphis

Sun 7/20

7:48 pm-1:04 pm

2 stops16h 16m

$576

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Wed 7/30

8:37 pm-4:29 pm

2 stops19h 52m

Knoxville McGhee Tyson

Sun 8/3

5:25 pm-7:52 pm

2 stops26h 27m

$609

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Tue 7/29

1:55 pm-11:50 am

3 stops21h 55m

Knoxville McGhee Tyson

Tue 8/5

8:20 am-8:01 pm

1 stop11h 41m

$624

IslipMemphis

ISP - MEM

ISPMEM

Islip Long Island

Wed 7/16

2:55 pm-4:29 pm

2 stops26h 34m

Memphis

Sun 7/20

4:02 pm-10:04 am

3 stops17h 02m

$745

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sun 9/7

11:25 am-6:22 pm

1 stop7h 57m

$100

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Thu 9/18

3:05 pm-7:50 pm

1 stop5h 45m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 15 results
1
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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, January is the cheapest month in which you can book a flight from Islip, New York to Tennessee (average of $220). Flying from Islip, New York to Tennessee in June is currently the most expensive (average of $292). 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 July 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Tennessee as you normally would.

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 July 2, 2025.
Read through reviews of airlines operating flights from Islip to Tennessee, such as Breeze Airways, Southwest, and Frontier. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
182 reviews

Overall

8.1

Crew

8.8

Comfort

8.2

Food

6.8

Boarding

8.4

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
182 reviews
Breeze Airways
8.1
Very good
182 reviews

Overall

8.1

Crew

8.8

Comfort

8.2

Food

6.8

Boarding

8.4

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,272 reviews
Breeze Airways
8.1
Very good
182 reviews

Overall

8.1

Crew

8.8

Comfort

8.2

Food

6.8

Boarding

8.4

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Frontier
5.9
Fair
3,286 reviews
Breeze Airways
8.1
Very good
182 reviews

Overall

8.1

Crew

8.8

Comfort

8.2

Food

6.8

Boarding

8.4

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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.

  • What are the cheapest airlines to fly from Islip, New York to Tennessee one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $100. Users have also found prices from $119 and $259 on Southwest and Breeze Airways, respectively.

  • 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, January is the cheapest month in which you can book a flight from Islip, New York to Tennessee (average of $220). Flying from Islip, New York to Tennessee in June is currently the most expensive (average of $292). 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$301Average$386FlexibilityNo cancel feeOn-time63%

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