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Cheap flights from Islip, New York to New York from $201

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to New York departing on 6/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Islip, New York to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:07 pm - 11:31 am
ISP
-
SWF
19h 24m
2 stops
Multiple Airlines Logo
12:11 pm - 8:05 pm
SWF
-
ISP
7h 54m
1 stop
$461Multiple Airlines
Thu, Apr 23 - Mon, Apr 27
Multiple Airlines Logo
6:59 pm - 11:25 am
ISP
-
SWF
40h 26m
2 stops
Multiple Airlines Logo
12:17 pm - 8:03 pm
SWF
-
ISP
7h 46m
1 stop
$480Multiple Airlines
Mon, May 11 - Mon, May 18

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to New Windsor 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, momondo users made 832,500 searches. Data last updated April 12, 2026.
Use the filters below to find and compare flights from Islip, New York to New Windsor that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

IslipNew Windsor

ISP - SWF

ISPSWF

Islip Long Island

Thu 4/23

4:07 pm-11:31 am

2 stops19h 24m

New Windsor Stewart

Mon 4/27

12:11 pm-8:05 pm

1 stop7h 54m

$461

IslipNew Windsor

ISP - SWF

ISPSWF

Islip Long Island

Mon 5/11

6:59 pm-11:25 am

2 stops40h 26m

New Windsor Stewart

Mon 5/18

12:17 pm-8:03 pm

1 stop7h 46m

$480
Cheapest one-way
Quickest one-way

IslipNew Windsor

ISP - SWF

ISPSWF

Islip Long Island

Wed 6/17

11:57 am-8:58 am

2 stops21h 01m

$201

IslipNew Windsor

ISP - SWF

ISPSWF

Islip Long Island

Wed 6/17

10:48 am-8:58 am

1 stop22h 10m

$206

IslipNew Windsor

ISP - SWF

ISPSWF

Islip Long Island

Mon 5/25

6:43 pm-11:25 am

3 stops40h 42m

$257

IslipNew Windsor

ISP - SWF

ISPSWF

Islip Long Island

Mon 5/25

6:43 pm-11:25 am

2 stops40h 42m

$266

IslipNew Windsor

ISP - SWF

ISPSWF

Islip Long Island

Wed 6/17

7:50 pm-8:49 am

3 stops36h 59m

$366

IslipNew Windsor

ISP - SWF

ISPSWF

Islip Long Island

Wed 4/29

7:25 am-10:55 am

3 stops27h 30m

$411

IslipNew Windsor

ISP - SWF

ISPSWF

Islip Long Island

Wed 4/29

7:25 am-11:08 am

2 stops27h 43m

$425

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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 is the cheapest airline that flies from Islip Long Island to New Windsor Stewart?

Breeze Airways is the most popular carrier operating from Islip Long Island to New Windsor Stewart

When to book flights from Islip, New York to New Windsor

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

Cheap Islip, New York to New Windsor (ISP to SWF) flight deals and tips

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

Fastest flight time

19h 24m

Direct flights

None
The fastest flight from Islip, New York to New Windsor takes 19h 24m
There are no direct flights from Islip, New York to New Windsor. There are no popular flight routes from Islip, New York to New Windsor.
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Frequently asked questions about flying from Islip, New York to New Windsor

  • How far is Islip Long Island to New Windsor Stewart by plane?

    The straight-line distance from Islip Long Island to New Windsor Stewart is 66.7 mi. Typically, this will take 19h 24m by plane in normal conditions.

  • When did momondo last update prices for flights from Islip Long Island Airport to New Windsor Stewart Airport?

    Prices for flights from Islip Long Island Airport to New Windsor Stewart Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Islip Long Island Airport to New Windsor Stewart 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 Islip Long Island Airport to New Windsor Stewart Airport.

  • What documentation or ID do you need to fly to New Windsor Stewart Airport?

    The travel and health documents you'll need for your trip to New Windsor Stewart 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 New Windsor Stewart Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Newburgh
Kingston
Woodstock
Saugerties

Why use momondo?

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

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 Islip to New Windsor for you.

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

All flight searches from Islip to New Windsor on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Islip to New Windsor?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Islip to New Windsor.

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

Price alerts on flights to New Windsor from Islip are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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