What is the cheapest airline that flies from Islip Long Island to Tennessee?

Frontier and Southwest are the most popular carriers operating from Islip Long Island to Tennessee

What airlines fly to Tennessee?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Tennessee from Islip, New York according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Tennessee. Keep in mind that there are 7 different airlines that fly to Tennessee on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Islip Long Island Airport to Tennessee?

Prices for flights from Islip Long Island Airport to Tennessee were last updated today.

How many operators does momondo search for flights from Islip Long Island Airport to Tennessee?

As of February 2026, there is 1 operator available to choose from for flights from Islip Long Island Airport to Tennessee.

How old do you have to be to fly from Islip Long Island Airport to Tennessee?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Tennessee.

What documentation or ID do you need to fly to Tennessee?

The travel and health documents required for your trip to Tennessee can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Tennessee. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$108 Cheap Flights from Islip to Tennessee in 2026

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0 bags

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Find the cheapest flights from Islip, New York to Tennessee

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:34 pm - 10:20 am

ISP

MEM

19h 46m

1 stop

11:15 am - 2:39 pm

MEM

ISP

26h 24m

1 stop

$176Multiple Airlines

Mon, Mar 2 - Wed, Mar 4

9:33 am - 8:15 am

ISP

BNA

23h 42m

1 stop

2:54 pm - 4:13 pm

BNA

ISP

24h 19m

1 stop

$183Multiple Airlines

Wed, Mar 4 - Wed, Mar 11

9:33 am - 8:15 am

ISP

BNA

23h 42m

1 stop

8:52 pm - 4:13 pm

BNA

ISP

18h 21m

2 stops

$204Multiple Airlines

Wed, Mar 4 - Wed, Mar 11

1:22 pm - 10:41 am

ISP

BNA

22h 19m

1 stop

5:33 pm - 4:13 pm

BNA

ISP

21h 40m

1 stop

$239Multiple Airlines

Mon, Mar 23 - Wed, Mar 25

4:07 pm - 10:47 pm

ISP

BNA

7h 40m

1 stop

5:58 pm - 9:13 am

BNA

ISP

14h 15m

1 stop

$257Multiple Airlines

Thu, Apr 23 - Sun, Apr 26

10:31 am - 1:11 pm

ISP

BNA

27h 40m

1 stop

5:33 pm - 11:55 pm

BNA

ISP

29h 22m

1 stop

$267Multiple Airlines

Sun, Mar 29 - Wed, Apr 1

11:50 am - 7:46 pm

ISP

BNA

8h 56m

2 stops

6:15 am - 4:13 pm

BNA

ISP

8h 58m

1 stop

$280Multiple Airlines

Sat, Mar 21 - Thu, Mar 26

5:51 pm - 10:05 am

ISP

BNA

17h 14m

1 stop

6:15 am - 12:33 pm

BNA

ISP

29h 18m

1 stop

$289Multiple Airlines

Sun, Mar 1 - Sun, Mar 8

12:15 pm - 6:45 pm

ISP

TYS

6h 30m

1 stop

7:40 am - 5:05 pm

TYS

ISP

9h 25m

1 stop

$352Southwest

Thu, Mar 26 - Sun, Mar 29

6:50 am - 6:10 pm

ISP

TYS

11h 20m

1 stop

12:15 pm - 11:30 pm

TYS

ISP

11h 15m

2 stops

$358Southwest

Fri, May 1 - Mon, May 4

Southwest flights from Islip, New York to Tennessee

Our best Southwest deals on Islip, New York to Tennessee flight tickets

Southwest

Apr 30

ISP6:00 amIslip Long Island

5h 55m

2 stops

BNA10:55 amNashville Intl

May 2

BNA8:35 amNashville Intl

6h 25m

1 stop

ISP4:00 pmIslip Long Island

$346

Southwest

Apr 30

ISP6:00 amIslip Long Island

5h 55m

2 stops

BNA10:55 amNashville Intl

May 2

BNA7:05 amNashville Intl

7h 55m

2 stops

ISP4:00 pmIslip Long Island

$351

Southwest

Mar 26

ISP12:15 pmIslip Long Island

6h 30m

1 stop

TYS6:45 pmKnoxville McGhee Tyson

Mar 29

TYS7:40 amKnoxville McGhee Tyson

9h 25m

1 stop

ISP5:05 pmIslip Long Island

$352

momondo Fare Finder

Use the filters below to find and compare flights from Islip, New York to Tennessee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipMemphis

ISP - MEM

ISPMEM

Islip Long Island

Mon 3/2

3:34 pm-10:20 am

1 stop19h 46m

Memphis

Wed 3/4

11:15 am-2:39 pm

1 stop26h 24m

$176

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Wed 3/4

9:33 am-8:15 am

1 stop23h 42m

Nashville Intl

Wed 3/11

2:54 pm-4:13 pm

1 stop24h 19m

$183

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Wed 3/4

9:33 am-8:15 am

1 stop23h 42m

Nashville Intl

Wed 3/11

8:52 pm-4:13 pm

2 stops18h 21m

$204

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Mon 3/23

1:22 pm-10:41 am

1 stop22h 19m

Nashville Intl

Wed 3/25

5:33 pm-4:13 pm

1 stop21h 40m

$239

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Thu 4/23

4:07 pm-10:47 pm

1 stop7h 40m

Nashville Intl

Sun 4/26

5:58 pm-9:13 am

1 stop14h 15m

$257

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sun 3/29

10:31 am-1:11 pm

1 stop27h 40m

Nashville Intl

Wed 4/1

5:33 pm-11:55 pm

1 stop29h 22m

$267

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sat 3/21

11:50 am-7:46 pm

2 stops8h 56m

Nashville Intl

Thu 3/26

6:15 am-4:13 pm

1 stop8h 58m

$280

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

Sun 3/1

5:51 pm-10:05 am

1 stop17h 14m

Nashville Intl

Sun 3/8

6:15 am-12:33 pm

1 stop29h 18m

$289

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Thu 3/26

12:15 pm-6:45 pm

1 stop6h 30m

Knoxville McGhee Tyson

Sun 3/29

7:40 am-5:05 pm

1 stop9h 25m

$352

IslipKnoxville

ISP - TYS

ISPTYS

Islip Long Island

Fri 5/1

6:50 am-6:10 pm

1 stop11h 20m

Knoxville McGhee Tyson

Mon 5/4

12:15 pm-11:30 pm

2 stops11h 15m

$358

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Islip, New York to Tennessee

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Tennessee?

The cheapest month to fly to Tennessee from Islip, New York is in August. Flight prices, which tend to average around $279, are often lower during this time because this is during the off-season. If you don’t want to visit Tennessee in August, then you should wait until September to fly from Islip, New York, when ticket prices are also cheap, with an average price of $331.

Can stopping save me money on Islip, New York to Tennessee flights?

You could potentially save up to 15% on your flight if you consider stops on a Islip, New York to Tennessee flight.

Cheap Islip, New York to Tennessee flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Tennessee

Fastest flight time	4h 25m
Direct flights	None

The fastest flight from Islip, New York to Tennessee takes 4h 25m

There are no direct flights from Islip, New York to Tennessee. There are no popular flight routes from Islip, New York to Tennessee.

Search flight deals

When did momondo last update prices for flights from Islip Long Island Airport to Tennessee?
Prices for flights from Islip Long Island Airport to Tennessee were last updated today.
How many operators does momondo search for flights from Islip Long Island Airport to Tennessee?
As of February 2026, there is 1 operator available to choose from for flights from Islip Long Island Airport to Tennessee.
How old do you have to be to fly from Islip Long Island Airport to Tennessee?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Tennessee.
What documentation or ID do you need to fly to Tennessee?
The travel and health documents required for your trip to Tennessee can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Tennessee. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Islip, New York to Tennessee

Compare and see reviews for airlines that fly from Islip, New York to Tennessee with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $248	Free Cancellation	Rating 8.0 4,274 reviews		Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Tennessee?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Tennessee from Islip.

Can I find flights from Islip to Tennessee with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Islip to Tennessee flights to just show those with flexible booking policies.

How can momondo help me find flights from Islip to Tennessee?

momondo provides multiple filters to help you find the best flight to Tennessee from Islip. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Islip to Tennessee right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Islip to Tennessee flights. All you need is a valid email address and we will do the rest; it is that quick and easy.