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Islip

$127+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
— ISP
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/511:00 am
JFK
-
ISP
1 stop8h 04m
Frontier
Sun 4/127:59 pm
ISP
-
JFK
2 stops39h 51m
Frontier
Deal found 3/8$323
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/103:30 pm
EWR
-
ISP
1 stop19h 40m
Multiple Airlines
Thu 3/127:26 pm
ISP
-
EWR
2 stops18h 33m
Multiple Airlines
Deal found 3/6$405
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/58:12 pm
SWF
-
ISP
1 stop28h 11m
Multiple Airlines
Sun 4/127:59 pm
ISP
-
SWF
2 stops15h 32m
Multiple Airlines
Deal found 3/8$483
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/56:00 am
LGA
-
ISP
1 stop13h 04m
Multiple Airlines
Sun 4/127:59 pm
ISP
-
LGA
2 stops19h 44m
Multiple Airlines
Deal found 3/8$497
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/55:50 am
EWR
-
ISP
2 stops13h 14m
Multiple Airlines
Sun 4/127:59 pm
ISP
-
EWR
1 stop16h 35m
Multiple Airlines
Deal found 3/8$497
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/105:30 pm
LGA
-
ISP
2 stops17h 40m
Multiple Airlines
Thu 3/125:08 pm
ISP
-
LGA
1 stop22h 51m
Multiple Airlines
Deal found 3/6$519
This Expedia deal was found by Cheapflights users on 3/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/158:00 pm
JFK
-
ISP
1 stop12h 55m
JetBlue
Sun 5/312:35 pm
ISP
-
JFK
1 stop9h 17m
JetBlue
Deal found 3/8$533
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 3/151:01 pm
JFK
-
ISP
1 stop23h 32m
Frontier
Sun 5/3110:03 am
ISP
-
JFK
2 stops25h 47m
Frontier
Deal found 3/8$553
This Expedia deal was found by Cheapflights users on 3/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/202:00 pm
JFK
-
ISP
1 stop9h 46m
JetBlue
Sun 3/228:25 pm
ISP
-
JFK
1 stop12h 30m
JetBlue
Deal found 3/10$698
This Expedia deal was found by Cheapflights users on 3/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:30 pm
LGA
-
ISP
1 stop11h 17m
JetBlue
Wed 3/119:39 am
ISP
-
LGA
1 stop11h 53m
JetBlue
Deal found 3/5$753
This Expedia deal was found by Cheapflights users on 3/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:00 pm
JFK
-
ISP
1 stop12h 47m
JetBlue
Thu 3/129:45 am
ISP
-
JFK
1 stop8h 44m
JetBlue
Deal found 3/6$753
This Expedia deal was found by Cheapflights users on 3/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/193:52 pm
JFK
-
ISP
1 stop7h 54m
Multiple Airlines
Sat 3/219:59 am
ISP
-
JFK
1 stop5h 33m
Multiple Airlines
Deal found 3/7$855

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 March 10, 2026.

One-way from

$92
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 March 10, 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

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Sun 4/5

11:00 am-7:04 pm

1 stop8h 04m

Islip Long Island

Sun 4/12

7:59 pm-11:50 am

2 stops39h 51m

$323

New WindsorIslip

SWF - ISP

SWFISP

New Windsor Stewart

Sun 4/5

8:12 pm-12:23 am

1 stop28h 11m

Islip Long Island

Sun 4/12

7:59 pm-11:31 am

2 stops15h 32m

$483

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 4/5

6:00 am-7:04 pm

1 stop13h 04m

Islip Long Island

Sun 4/12

7:59 pm-3:43 pm

2 stops19h 44m

$497

NewarkIslip

EWR - ISP

EWRISP

Newark

Sun 4/5

5:50 am-7:04 pm

2 stops13h 14m

Islip Long Island

Sun 4/12

7:59 pm-12:34 pm

1 stop16h 35m

$497

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Sun 3/15

8:00 pm-8:55 am

1 stop12h 55m

Islip Long Island

Sun 5/31

2:35 pm-11:52 pm

1 stop9h 17m

$533

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Sun 3/15

1:01 pm-12:33 pm

1 stop23h 32m

Islip Long Island

Sun 5/31

10:03 am-11:50 am

2 stops25h 47m

$553

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Fri 3/20

2:00 pm-11:46 pm

1 stop9h 46m

Islip Long Island

Sun 3/22

8:25 pm-8:55 am

1 stop12h 30m

$698
Quickest round-trip

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Thu 3/19

3:52 pm-11:46 pm

1 stop7h 54m

Islip Long Island

Sat 3/21

9:59 am-3:32 pm

1 stop5h 33m

$855

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Sun 4/5

12:10 pm-6:44 pm

2 stops6h 34m

Islip Long Island

Sun 4/12

1:05 pm-10:25 pm

1 stop9h 20m

$1,482

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 4/5

12:00 pm-10:31 pm

1 stop10h 31m

Islip Long Island

Sun 4/12

1:05 pm-9:59 pm

1 stop8h 54m

$1,552

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 34 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 March.
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 14 hours 55 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 $35, while round-trip flights cost around $44.

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

    A round-trip flight to Islip will typically cost around $187, however they can be found for as little as $44.

  • 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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