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Islip

$137+ Cheap flights to Islip, NY

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
— ISP
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Flights to Islip, NY in 2025

Cheapest flights to Islip
Explore the most affordable flight options available to Islip. Find the lowest fares based on data from user searches, with prices last updated on December 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:02 pmEWR - ISP
1 stop19h 11mMultiple Airlines
Tue 12/168:29 pmISP - EWR
1 stop25h 16mMultiple Airlines
Deal found 12/3$286
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:59 amEWR - ISP
2 stops13h 35mMultiple Airlines
Thu 12/184:40 pmISP - EWR
1 stop17h 20mMultiple Airlines
Deal found 12/3$310
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:29 amLGA - ISP
2 stops11h 05mMultiple Airlines
Thu 12/184:40 pmISP - LGA
1 stop23h 00mMultiple Airlines
Deal found 12/3$359
This Kiwi.com deal was found by Cheapflights users on 12/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/181:24 pmJFK - ISP
1 stop10h 07mFrontier
Sun 12/216:15 amISP - JFK
1 stop30h 14mFrontier
Deal found 12/4$366
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:59 amJFK - ISP
1 stop12h 35mMultiple Airlines
Thu 12/182:19 pmISP - JFK
2 stops18h 42mMultiple Airlines
Deal found 12/3$372
This Kiwi.com deal was found by Cheapflights users on 12/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/181:24 pmJFK - ISP
1 stop10h 07mMultiple Airlines
Sun 12/212:19 pmISP - JFK
2 stops10h 36mMultiple Airlines
Deal found 12/4$397
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:45 amEWR - ISP
1 stop11h 22mMultiple Airlines
Sat 12/610:19 amISP - EWR
1 stop7h 33mMultiple Airlines
Deal found 12/3$426
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:30 pmSWF - ISP
1 stop13h 43mMultiple Airlines
Sat 12/64:05 pmISP - SWF
1 stop18h 14mMultiple Airlines
Deal found 12/3$446
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:30 pmSWF - ISP
1 stop13h 43mMultiple Airlines
Sun 12/711:40 amISP - SWF
2 stops31h 00mMultiple Airlines
Deal found 12/3$450
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:30 pmLGA - ISP
1 stop20h 15mMultiple Airlines
Sat 12/610:19 amISP - LGA
1 stop7h 11mMultiple Airlines
Deal found 12/3$459
This Kiwi.com deal was found by Cheapflights users on 12/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:55 pmLGA - ISP
2 stops23h 22mMultiple Airlines
Fri 1/22:25 pmISP - LGA
1 stop5h 05mMultiple Airlines
Deal found 12/4$501
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:30 pmLGA - ISP
1 stop20h 15mMultiple Airlines
Fri 12/58:29 pmISP - LGA
1 stop19h 00mMultiple Airlines
Deal found 12/3$508

Find flight deals to Islip

Find the latest flights to Islip in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on December 4, 2025.

One-way from

$137
One-way flight from New York to Islip Long Island (ISP)
Search Deals

Cheapflights Fare Finder

 
Locate flights to Islip that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on December 4, 2025.
Use the filters below to find and compare flights to Islip that are best for you.

Fly from

New York

Route

Depart

Return

Price

NewarkIslip

EWR - ISP

EWRISP

Newark

Fri 1/9

2:00 pm-8:05 pm

1 stop6h 05m

Islip Long Island

Sun 1/11

8:40 pm-10:00 am

1 stop13h 20m

$175

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 2/27

10:00 pm-10:40 am

1 stop12h 40m

Islip Long Island

Sun 3/15

11:55 am-11:05 am

2 stops23h 10m

$214

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 2/27

10:00 pm-10:40 am

1 stop12h 40m

Islip Long Island

Fri 3/13

8:19 pm-11:05 am

1 stop14h 46m

$219

New WindsorIslip

SWF - ISP

SWFISP

New Windsor Stewart

Fri 1/9

12:11 pm-8:05 pm

1 stop7h 54m

Islip Long Island

Sun 1/11

8:40 pm-11:31 am

2 stops14h 51m

$223

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Tue 1/13

6:30 am-10:46 pm

1 stop16h 16m

Islip Long Island

Tue 2/24

11:59 am-11:05 pm

2 stops11h 06m

$242

NewarkIslip

EWR - ISP

EWRISP

Newark

Tue 1/13

5:00 am-10:46 pm

1 stop17h 46m

Islip Long Island

Tue 2/24

11:59 am-12:40 am

2 stops12h 41m

$247

NewarkIslip

EWR - ISP

EWRISP

Newark

Fri 1/2

11:05 am-1:39 pm

2 stops26h 34m

Islip Long Island

Fri 1/9

2:01 pm-9:00 pm

1 stop6h 59m

$256

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 2/27

10:00 pm-10:40 am

1 stop12h 40m

Islip Long Island

Sun 3/15

8:19 pm-11:05 am

1 stop14h 46m

$258

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 3/1

12:30 pm-10:40 am

1 stop22h 10m

Islip Long Island

Sun 3/15

11:55 am-11:05 am

2 stops23h 10m

$274

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 3/1

12:30 pm-10:40 am

1 stop22h 10m

Islip Long Island

Fri 3/13

8:19 pm-11:05 am

1 stop14h 46m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 46 results
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Compare providers for flights to Islip

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals to Islip in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: Out of all of the providers offering Islip, New York flight deals, Cheapflights users have found eDreams to have the most accurate pricing on Cheapflights vs. their site about >95% of the time, users can find the same price on Islip, New York flight deals on Cheapflights and eDreams. This is based on searches made for Islip, New York flights over the past month.
  • Most trusted provider: eDreams is the most trusted provider by Cheapflights users offering Islip, New York flight deals. With a user feedback rating of 3 out of 3 stars (3 being the best), eDreams has received the most positive sentiment from Cheapflights users searching for flights to Islip, New York. This is based on data collected from Cheapflights searches made over the past month.

Best time to book a flight to Islip

Have a flexible travel schedule? Discover the best time to fly to 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 to Islip

How long is the flight to Islip?

On average, a flight from New York to Islip takes 8 hours 13 minutes. Flights to Islip from other popular cities in USA will vary in length. Below are a few examples of popular routes and their flight times.

Rainfall in Islip by month

Plan your trip to Islip by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Islip ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip when rainfall is around 3.3 in.

Temperature in Islip by month

Plan your trip to Islip by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Islip, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

FAQs about flying to Islip

  • What airport do you fly into for flights to Islip?

    Travelers will need to book flights to Long Island (ISP) if they wish to fly to Islip. The Islip airport is 7.2 mi from the city center.

  • Can I find cheaper flights to Islip if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Islip on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Islip?

    Based on reviews from Cheapflights users, Frontier is rated the highest out of the airlines that fly to Islip.

  • What is the cheapest airport to fly to in Islip?

    Islip Long Island is currently the cheapest airport to fly to in Islip. One-way flights to Islip Long Island typically cost $19, while round-trip flights cost around $29.

  • How much is a round-trip flight to Islip?

    A round-trip flight to Islip will typically cost around $122, however they can be found for as little as $29.

  • Where does the fastest flight to Islip depart from?

    For those looking to save time traveling to Islip, Washington, D.C. offers the quickest one-way flight (1 hour 10 minutes).

  • Does Islip Long Island have rental cars?

    Yes. Those touching down at Islip Long Island can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to Islip Long Island?

    Yes. Islip Long Island has hotels nearby for those requiring accommodations. Clarion Hotel & Conference Center Ronkonkoma Macarthur Airport is the closest property to Islip Long Island (0.0 mi away from Islip Long Island).

See more FAQs

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