When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Islip Long Island Airport?

Prices for flights from Knoxville McGhee Tyson Airport to Islip Long Island Airport are refreshed on a daily basis.

How old do you have to be to fly from Knoxville McGhee Tyson Airport to Islip Long Island Airport?

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 Knoxville McGhee Tyson Airport to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$606 Cheap Flights from Knoxville to Islip in 2025

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Find the cheapest flights from Knoxville to New York

Round-trip

One-way

Last minute

Cheap round-trip flights

7:26 pm - 1:24 pmTYS-ISP

17h 58m2 stops

4:33 pm - 11:59 pmISP-TYS

7h 26m2 stops

$870

Find Deal

mié., oct. 22 - mié., oct. 29

7:26 pm - 3:21 pmTYS-ISP

19h 55m2 stops

7:30 am - 10:55 pmISP-TYS

15h 25m3 stops

$999

Find Deal

mié., oct. 22 - mié., oct. 29

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleIslip

TYS - ISP

TYSISP

Knoxville McGhee Tyson

mié. 10/22

7:26 pm-1:24 pm

2 stops17h 58m

Islip Long Island

mié. 10/29

4:33 pm-11:59 pm

2 stops7h 26m

$870

KnoxvilleIslip

TYS - ISP

TYSISP

Knoxville McGhee Tyson

mié. 10/22

7:26 pm-3:21 pm

2 stops19h 55m

Islip Long Island

mié. 10/29

7:30 am-10:55 pm

3 stops15h 25m

$999

KnoxvilleIslip

TYS - ISP

TYSISP

Knoxville McGhee Tyson

dom. 10/5

7:00 am-3:21 pm

2 stops32h 21m

$606

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

What airlines fly to Islip, New York?

Delta, American Airlines and Allegiant Air are the top three most popular airlines that fly to Islip, New York from Knoxville according to our data. Delta is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 5 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

When to book flights from Knoxville to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Knoxville to Islip, New York (TYS to ISP) flight deals and tips

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

Best Price Found	$606
Fastest flight time	17h 58m
Direct flights	None
Airports in Islip, New York	1 airport

The best one-way flight to Islip, New York from Knoxville in the past 72 hours is $606. The best round-trip flight deal from Knoxville to Islip, New York found on momondo in the last 72 hours is $870.

The fastest flight from Knoxville to Islip, New York takes 17h 58m

There are no direct flights from Knoxville to Islip, New York. Popular non-direct route for this connection is Knoxville McGhee Tyson Airport - Islip Long Island Airport.

There is 1 airport near Islip, New York: Islip Long Island (ISP)

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How far is Knoxville McGhee Tyson to Islip Long Island by plane?
The straight-line distance from Knoxville McGhee Tyson to Islip Long Island is 666.2 mi. A reasonable flight in good conditions will take 17h 58m.
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Islip Long Island Airport?
Prices for flights from Knoxville McGhee Tyson Airport to Islip Long Island Airport are refreshed on a daily basis.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Islip Long Island Airport?
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 Knoxville McGhee Tyson Airport to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to Islip for you.

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

momondo does allow users to show only those flights to Islip from Knoxville which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Knoxville and Islip by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Islip, momondo offers a useful price alert feature which will track prices for flights to Islip from Knoxville and alert you when they change.