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Find cheap flights from Islip to New York State from $133

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Islip to New York departing on 6/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 7/10
Wed 7/17

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Best New York Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Buffalo
Buffalo1 stop$356
Syracuse
Syracuse2 stops$451
Rochester
Rochester2 stops$530
Burlington
Burlington2 stops$647

Good to know

Cheapest flight

$133
Flight from Islip to Buffalo

FAQs - booking New York State flights

  • How does KAYAK find such low prices on flights from Islip to New York State?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to New York State.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to New York State?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to New York State from Islip is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Islip to New York State?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to New York State with an airline and back to Islip with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to New York State?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to New York State from Islip up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to New York State

  • Morning departure is around 73% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Top airline flying from Islip to New York

Need help choosing which airline to fly with from Islip to New York? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
6.2
FrontierOverall score based on 3969 reviews
5.1Food
5.8Comfort
6.5Boarding
4.9Entertainment
7.0Crew
Airline reviews

I strongly dislike Frontier. I find them barebones, the seats not particularly comfortable, the nickel and diming is maddening, the app is TERRIBLE - super confusing to navigate, and the last 4 frontier flights I have flown have been on AVERAGE 2 hours late, one ruining a fancy night out in Vegas with reservations made well in advance, which was nodded to with a measly 5000 miles, which translates to almost nothing. At least credit a free checked bag or something.

2.0 MediocreAnonymous, Jun 2024SFO - LAS
Read more about Frontier reviews

I strongly dislike Frontier. I find them barebones, the seats not particularly comfortable, the nickel and diming is maddening, the app is TERRIBLE - super confusing to navigate, and the last 4 frontier flights I have flown have been on AVERAGE 2 hours late, one ruining a fancy night out in Vegas with reservations made well in advance, which was nodded to with a measly 5000 miles, which translates to almost nothing. At least credit a free checked bag or something.

8 hr delay. had to buy another ticket with another airline

Four and a half hour delay in total. What frustrates me most is the poor communication and disorganization.

I appreciated the upgrade to free cary-on bag and seat selection at no charge

FRONTIER SUCKS! The agent downstairs tricked me into booking, just to get to the gate. At the gate, they told me they couldn't help. I then called Customer Service. They and the gate attendants kept blaming each other. Neither side was willing to help the customer.

The agent at check-in was strident, unwelcoming, and condescending to customers ahead of me.

Flight was delay 9hrs and nothing was provided at airport, had to go and get a room to sleep in, paid for Uber back and fort with no offers until we landed back home a 1hr later for a $75 voucher for a future flight.

Didn't like anything..entire crew was very rude to everyone on the flight. Plane old and the trays fall down on you the while time you're flying. Charged more for a carry on bag than for the plane ticket itself. Did make it from point a to point b, but worth the extra money to fly with another airline

9 hours of delay!! Was not able to check my luggage that I paid for!!!

It was delayed 9 hours for operational reasons, despite the plane arriving to the airport on time.

Book cheap flights from Islip to New York State

Recent round-trip flight deals

8/16Fri
1 stopFrontier
26h 54mISP-BUF
8/19Mon
1 stopFrontier
11h 07mBUF-ISP
$356
8/14Wed
1 stopFrontier
10h 19mISP-BUF
8/23Fri
1 stopFrontier
11h 07mBUF-ISP
$375
7/18Thu
2 stops
19h 55mISP-LGA
7/28Sun
3 stops
23h 18mLGA-ISP
$414
7/18Thu
2 stops
21h 59mISP-LGA
7/28Sun
2 stops
26h 51mLGA-ISP
$424
6/21Fri
1 stopFrontier
27h 31mISP-BUF
6/28Fri
2 stopsFrontier
15h 04mBUF-ISP
$433
7/18Thu
3 stops
17h 56mISP-LGA
7/28Sun
3 stops
24h 17mLGA-ISP
$434
6/21Fri
2 stops
21h 24mISP-SYR
6/23Sun
1 stop
13h 58mSYR-ISP
$451
8/31Sat
1 stopFrontier
10h 19mISP-BUF
9/2Mon
1 stopFrontier
11h 07mBUF-ISP
$478
8/22Thu
1 stopFrontier
10h 19mISP-BUF
8/25Sun
1 stopFrontier
11h 07mBUF-ISP
$498
6/20Thu
2 stops
21h 18mISP-ROC
6/23Sun
2 stops
17h 15mROC-ISP
$530

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Recent one-way flight deals

6/14Fri
1 stopFrontier
27h 31mISP-BUF
$133
7/19Fri
2 stops
20h 49mISP-SYR
$226
7/15Mon
2 stops
10h 12mISP-ALB
$267
7/19Fri
3 stops
20h 49mISP-SYR
$279

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Islip - New York State Flights

Departure:

Islip (ISP)United States

Return flight deals:

New York - Islip

Cabin classes: