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Islip

$163+ Cheap flights to Islip

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
— ISP
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Thu 10/235:55 amLGA - ISP
1 stop14h 47mMultiple Airlines
Sun 10/269:47 pmISP - LGA
1 stop11h 13mMultiple Airlines
Deal found 9/9$241
Thu 10/2311:05 amEWR - ISP
1 stop9h 37mMultiple Airlines
Sun 10/267:36 pmISP - EWR
2 stops27h 34mMultiple Airlines
Deal found 9/9$248
Thu 10/236:59 amJFK - ISP
1 stop13h 43mFrontier
Sun 10/269:47 pmISP - JFK
1 stop12h 37mFrontier
Deal found 9/9$259
Fri 9/2612:56 pmLGA - ISP
1 stop21h 59mFrontier
Fri 10/35:05 pmISP - LGA
1 stop18h 56mFrontier
Deal found 9/10$269
Thu 10/92:10 pmEWR - ISP
1 stop20h 27mMultiple Airlines
Thu 10/167:36 pmISP - EWR
2 stops25h 44mMultiple Airlines
Deal found 9/9$269
Thu 10/96:59 amJFK - ISP
1 stop13h 43mFrontier
Thu 10/169:37 pmISP - JFK
1 stop12h 47mFrontier
Deal found 9/11$294
Mon 11/179:30 pmLGA - ISP
1 stop12h 25mJetBlue
Sat 1/3111:15 amISP - LGA
1 stop10h 14mJetBlue
Deal found 9/10$302
Fri 9/269:01 pmEWR - ISP
1 stop13h 54mMultiple Airlines
Fri 10/35:05 pmISP - EWR
1 stop20h 55mMultiple Airlines
Deal found 9/10$303
Tue 11/188:35 pmJFK - ISP
1 stop13h 20mJetBlue
Mon 11/244:24 pmISP - JFK
1 stop8h 25mJetBlue
Deal found 9/9$304
Tue 10/287:30 amJFK - ISP
1 stop27h 07mFrontier
Thu 11/66:37 pmISP - JFK
2 stops29h 56mFrontier
Deal found 9/9$314
Sat 10/1110:56 amLGA - ISP
2 stops22h 03mMultiple Airlines
Tue 10/149:37 pmISP - LGA
1 stop11h 23mMultiple Airlines
Deal found 9/10$319
Mon 11/178:35 pmJFK - ISP
1 stop13h 20mJetBlue
Sat 1/3111:15 amISP - JFK
1 stop9h 49mJetBlue
Deal found 9/10$327

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 September 11, 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

LGA - ISP

LGAISP

New York LaGuardia

Thu 10/23

5:55 am-8:42 pm

1 stop14h 47m

Islip Long Island

Sun 10/26

9:47 pm-9:00 am

1 stop11h 13m

$241

NewarkIslip

EWR - ISP

EWRISP

Newark

Thu 10/23

11:05 am-8:42 pm

1 stop9h 37m

Islip Long Island

Sun 10/26

7:36 pm-11:10 pm

2 stops27h 34m

$248

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Thu 10/23

6:59 am-8:42 pm

1 stop13h 43m

Islip Long Island

Sun 10/26

9:47 pm-10:24 am

1 stop12h 37m

$259

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 9/26

12:56 pm-10:55 am

1 stop21h 59m

Islip Long Island

Fri 10/3

5:05 pm-12:01 pm

1 stop18h 56m

$269

NewarkIslip

EWR - ISP

EWRISP

Newark

Thu 10/9

2:10 pm-10:37 am

1 stop20h 27m

Islip Long Island

Thu 10/16

7:36 pm-9:20 pm

2 stops25h 44m

$269

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Thu 10/9

6:59 am-8:42 pm

1 stop13h 43m

Islip Long Island

Thu 10/16

9:37 pm-10:24 am

1 stop12h 47m

$294

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Mon 11/17

9:30 pm-9:55 am

1 stop12h 25m

Islip Long Island

Sat 1/31

11:15 am-9:29 pm

1 stop10h 14m

$302

NewarkIslip

EWR - ISP

EWRISP

Newark

Fri 9/26

9:01 pm-10:55 am

1 stop13h 54m

Islip Long Island

Fri 10/3

5:05 pm-2:00 pm

1 stop20h 55m

$303

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Tue 11/18

8:35 pm-9:55 am

1 stop13h 20m

Islip Long Island

Mon 11/24

4:24 pm-12:49 am

1 stop8h 25m

$304

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Tue 10/28

7:30 am-10:37 am

1 stop27h 07m

Islip Long Island

Thu 11/6

6:37 pm-12:33 am

2 stops29h 56m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 34 results
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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 7 hours 8 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 $30, while round-trip flights cost around $48.

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

    A round-trip flight to Islip will typically cost around $154, however they can be found for as little as $48.

  • 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
Riverhead
Southampton

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