HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$268+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
— ISP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights to Islip with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Flights to Islip, NY in 2025

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 June 12, 2025.

One-way from

$268
One-way flight from New York to Islip Long Island (ISP)
Search Deals

Find flight deals to Islip

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 June 12, 2025.

Fri 7/116:59 amJFK - ISP
1 stop12h 43mFrontier
Fri 7/188:37 pmISP - JFK
1 stop13h 46mFrontier
Deal found 6/11$344
Fri 7/114:30 pmLGA - ISP
1 stop6h 29mMultiple Airlines
Fri 7/188:00 amISP - LGA
1 stop14h 02mMultiple Airlines
Deal found 6/11$346
Tue 9/236:30 amLGA - ISP
1 stop8h 14mJetBlue
Thu 10/233:39 pmISP - LGA
1 stop6h 20mJetBlue
Deal found 6/11$454
Tue 9/236:30 amJFK - ISP
1 stop8h 14mJetBlue
Thu 10/233:39 pmISP - JFK
1 stop7h 20mJetBlue
Deal found 6/11$454
Wed 7/26:00 amEWR - ISP
1 stop6h 26mJetBlue
Wed 7/912:35 pmISP - EWR
1 stop10h 25mJetBlue
Deal found 6/11$515
Fri 7/1110:12 amEWR - ISP
3 stops27h 20mMultiple Airlines
Fri 7/183:59 pmISP - EWR
1 stop5h 01mMultiple Airlines
Deal found 6/11$555
Thu 7/107:25 pmJFK - ISP
1 stop15h 33mMultiple Airlines
Mon 7/1412:55 pmISP - JFK
1 stop8h 06mMultiple Airlines
Deal found 6/10$594
Thu 7/106:42 pmSWF - ISP
2 stops20h 39mMultiple Airlines
Mon 7/1411:53 amISP - SWF
2 stops24h 03mMultiple Airlines
Deal found 6/10$951

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 June 12, 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

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Fri 7/11

6:59 am-7:42 pm

1 stop12h 43m

Islip Long Island

Fri 7/18

8:37 pm-10:23 am

1 stop13h 46m

$344

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 7/11

4:30 pm-10:59 pm

1 stop6h 29m

Islip Long Island

Fri 7/18

8:00 am-10:02 pm

1 stop14h 02m

$346

NewarkIslip

EWR - ISP

EWRISP

Newark

Wed 7/2

6:00 am-12:26 pm

1 stop6h 26m

Islip Long Island

Wed 7/9

12:35 pm-11:00 pm

1 stop10h 25m

$515

NewarkIslip

EWR - ISP

EWRISP

Newark

Fri 7/11

10:12 am-1:32 pm

3 stops27h 20m

Islip Long Island

Fri 7/18

3:59 pm-9:00 pm

1 stop5h 01m

$555

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Thu 7/10

7:25 pm-10:58 am

1 stop15h 33m

Islip Long Island

Mon 7/14

12:55 pm-9:01 pm

1 stop8h 06m

$594

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 7/20

6:30 am-12:56 pm

1 stop6h 26m

Islip Long Island

Sun 8/3

1:51 pm-9:46 pm

1 stop7h 55m

$775

New WindsorIslip

SWF - ISP

SWFISP

New Windsor Stewart

Thu 7/10

6:42 pm-3:21 pm

2 stops20h 39m

Islip Long Island

Mon 7/14

11:53 am-11:56 am

2 stops24h 03m

$951

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Tue 7/8

6:59 am-9:58 pm

1 stop14h 59m

$268

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Tue 6/17

10:59 pm-7:36 pm

2 stops20h 37m

$316

NewarkIslip

EWR - ISP

EWRISP

Newark

Tue 6/17

2:00 pm-2:15 pm

2 stops24h 15m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 13 results
1
2

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 9 hours 4 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).

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated June 12, 2025.
JetBlue
7.3
Good
2,925 reviews

Entertainment

7.3

Crew

8.0

Overall

7.3

Comfort

7.6

Boarding

7.5

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2025

JFK - CHS

Boarding took a very long time, in fact we were delayed by at least 30mins. There wasn’t many options for snacks and there was only water. The pilot did an excellent job
JetBlue
7.3
Good
2,925 reviews
JetBlue
7.3
Good
2,925 reviews

Entertainment

7.3

Crew

8.0

Overall

7.3

Comfort

7.6

Boarding

7.5

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2025

JFK - CHS

Boarding took a very long time, in fact we were delayed by at least 30mins. There wasn’t many options for snacks and there was only water. The pilot did an excellent job
Frontier
5.9
Fair
3,295 reviews
JetBlue
7.3
Good
2,925 reviews

Entertainment

7.3

Crew

8.0

Overall

7.3

Comfort

7.6

Boarding

7.5

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2025

JFK - CHS

Boarding took a very long time, in fact we were delayed by at least 30mins. There wasn’t many options for snacks and there was only water. The pilot did an excellent job

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 $23, while round-trip flights cost around $53.

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

    A round-trip flight to Islip will typically cost around $238, however they can be found for as little as $53.

  • 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 is the closest property to Islip Long Island (0.0 mi away from Islip Long Island).

See more FAQs

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Southampton
Riverhead

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.