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Islip

$82+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
— ISP
May 14 — May 211
Thu 5/14
Thu 5/21
1 adult, Economy
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Flights to Islip, NY in 2026

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 April 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/12. 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.
Mon 5/1111:30 am
EWR
-
ISP
1 stop23h 30m
Multiple Airlines
Mon 5/188:43 pm
ISP
-
EWR
1 stop19h 59m
Multiple Airlines
Deal found 4/12$225
This Kiwi.com deal was found by Cheapflights users on 4/11. 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.
Sat 5/98:00 am
LGA
-
ISP
1 stop9h 29m
Multiple Airlines
Sat 5/1611:00 am
ISP
-
LGA
1 stop11h 05m
Multiple Airlines
Deal found 4/11$232
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 4/1710:29 pm
EWR
-
ISP
2 stops34h 44m
Multiple Airlines
Fri 4/244:07 pm
ISP
-
EWR
1 stop16h 56m
Multiple Airlines
Deal found 4/10$301
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 6/2510:00 pm
LGA
-
ISP
2 stops36h 03m
Multiple Airlines
Fri 9/2511:08 am
ISP
-
LGA
1 stop11h 45m
Multiple Airlines
Deal found 4/9$319
This Kiwi.com deal was found by Cheapflights users on 4/12. 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.
Sat 4/188:25 pm
LGA
-
ISP
1 stop12h 48m
Frontier
Mon 4/204:07 pm
ISP
-
LGA
2 stops27h 23m
Frontier
Deal found 4/12$321
This Kiwi.com deal was found by Cheapflights users on 4/12. 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.
Mon 5/114:56 pm
LGA
-
ISP
2 stops18h 04m
Multiple Airlines
Mon 5/1811:00 am
ISP
-
LGA
1 stop11h 05m
Multiple Airlines
Deal found 4/12$333
This Kiwi.com deal was found by Cheapflights users on 4/12. 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.
Sat 4/185:05 pm
EWR
-
ISP
1 stop16h 08m
Multiple Airlines
Mon 4/204:07 pm
ISP
-
EWR
1 stop26h 43m
Multiple Airlines
Deal found 4/12$337
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 5/710:00 pm
LGA
-
ISP
2 stops15h 28m
Multiple Airlines
Sun 5/1011:12 am
ISP
-
LGA
1 stop10h 53m
Multiple Airlines
Deal found 4/10$346
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 5/109:00 pm
EWR
-
ISP
1 stop13h 05m
Multiple Airlines
Sun 5/176:46 pm
ISP
-
EWR
2 stops38h 13m
Multiple Airlines
Deal found 4/10$355
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 5/103:00 pm
LGA
-
ISP
1 stop19h 05m
Multiple Airlines
Sun 5/177:53 pm
ISP
-
LGA
2 stops44h 18m
Multiple Airlines
Deal found 4/10$384
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 5/79:00 pm
EWR
-
ISP
2 stops16h 28m
Multiple Airlines
Sun 5/1011:12 am
ISP
-
EWR
1 stop9h 48m
Multiple Airlines
Deal found 4/10$405
This lol.travel deal was found by Cheapflights users on 4/13. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:00 am
JFK
-
ISP
1 stop6h 28m
JetBlue
Sat 6/132:22 pm
ISP
-
JFK
1 stop8h 31m
JetBlue
Deal found 4/13$432

Find flight deals to Islip

Find the latest flights to Islip in 2026, 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 April 14, 2026.

One-way from

$82
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 April 14, 2026.
Use the filters below to find and compare flights to Islip that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

NewarkIslip

EWR - ISP

EWRISP

Newark

Mon 5/11

11:30 am-11:00 am

1 stop23h 30m

Islip Long Island

Mon 5/18

8:43 pm-4:42 pm

1 stop19h 59m

$225

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sat 5/9

8:00 am-5:29 pm

1 stop9h 29m

Islip Long Island

Sat 5/16

11:00 am-10:05 pm

1 stop11h 05m

$232

NewarkIslip

EWR - ISP

EWRISP

Newark

Fri 4/17

10:29 pm-9:13 am

2 stops34h 44m

Islip Long Island

Fri 4/24

4:07 pm-9:03 am

1 stop16h 56m

$301

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 6/25

10:00 pm-10:03 am

2 stops36h 03m

Islip Long Island

Fri 9/25

11:08 am-10:53 pm

1 stop11h 45m

$319

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sat 4/18

8:25 pm-9:13 am

1 stop12h 48m

Islip Long Island

Mon 4/20

4:07 pm-7:30 pm

2 stops27h 23m

$321

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Mon 5/11

4:56 pm-11:00 am

2 stops18h 04m

Islip Long Island

Mon 5/18

11:00 am-10:05 pm

1 stop11h 05m

$333

NewarkIslip

EWR - ISP

EWRISP

Newark

Sat 4/18

5:05 pm-9:13 am

1 stop16h 08m

Islip Long Island

Mon 4/20

4:07 pm-6:50 pm

1 stop26h 43m

$337

NewarkIslip

EWR - ISP

EWRISP

Newark

Sun 5/10

9:00 pm-10:05 am

1 stop13h 05m

Islip Long Island

Sun 5/17

6:46 pm-8:59 am

2 stops38h 13m

$355

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 5/10

3:00 pm-10:05 am

1 stop19h 05m

Islip Long Island

Sun 5/17

7:53 pm-4:11 pm

2 stops44h 18m

$384

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 5/7

4:56 pm-1:28 pm

1 stop20h 32m

Islip Long Island

Sun 5/10

11:12 am-10:05 pm

1 stop10h 53m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Showing 1-10 of 35 resultsSorted by cheapest first
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub 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 FlightHub. This is based on searches made for Islip, New York flights over the past month.
  • Most trusted provider: FlightHub 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), FlightHub 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 10 hours 16 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 $24, while round-trip flights cost around $30.

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

    A round-trip flight to Islip will typically cost around $82, however they can be found for as little as $30.

  • 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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