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Islip

$236+ Cheap flights from LaGuardia, NY (LGA) to Islip, NY (ISP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — ISP
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
1 adult, Economy
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Cheap flight deals from LaGuardia to Islip

Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 17, 2025.

Round-trip from

$236
(JetBlue)
From New York LaGuardia to Islip Long Island
Search Deals

Find flight deals from LaGuardia to Islip

Cheapest flights from LaGuardia to Islip
Explore the most affordable flight options available from LaGuardia to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

This JetBlue deal was found by Cheapflights users on 8/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:30 amLGA - ISP
1 stop8h 53mJetBlue
Fri 9/2611:35 amISP - LGA
1 stop8h 27mJetBlue
Deal found 8/16$236
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 9/149:59 amLGA - ISP
1 stop24h 41mMultiple Airlines
Sun 9/2111:25 amISP - LGA
1 stop21h 35mMultiple Airlines
Deal found 8/15$239
This JetBlue deal was found by Cheapflights users on 8/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:30 amLGA - ISP
1 stop8h 53mJetBlue
Fri 9/2611:35 amISP - LGA
1 stop8h 27mJetBlue
Deal found 8/16$287
This Trip.com deal was found by Cheapflights users on 8/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:30 amLGA - ISP
1 stop8h 53mJetBlue
Sat 9/64:19 pmISP - LGA
1 stop16h 39mJetBlue
Deal found 8/15$295
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 8/307:34 pmLGA - ISP
1 stop28h 25mMultiple Airlines
Sat 9/65:05 pmISP - LGA
1 stop15h 55mMultiple Airlines
Deal found 8/17$348
This JetBlue deal was found by Cheapflights users on 8/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:30 amLGA - ISP
1 stop8h 53mJetBlue
Wed 9/2411:35 amISP - LGA
1 stop8h 25mJetBlue
Deal found 8/16$373
This JetBlue deal was found by Cheapflights users on 8/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:30 amLGA - ISP
1 stop8h 53mJetBlue
Mon 9/2211:35 amISP - LGA
1 stop8h 27mJetBlue
Deal found 8/16$393
This JetBlue deal was found by Cheapflights users on 8/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:30 amLGA - ISP
1 stop8h 53mJetBlue
Wed 9/2411:35 amISP - LGA
1 stop8h 25mJetBlue
Deal found 8/16$424
This Trip.com deal was found by Cheapflights users on 8/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:30 amLGA - ISP
1 stop8h 14mJetBlue
Tue 10/143:39 pmISP - LGA
1 stop18h 22mJetBlue
Deal found 8/14$438
This JetBlue deal was found by Cheapflights users on 8/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:30 amLGA - ISP
1 stop8h 53mJetBlue
Mon 9/2211:35 amISP - LGA
1 stop8h 27mJetBlue
Deal found 8/16$444

Cheapflights Fare Finder

 
Customize your flight search to find flights from LaGuardia to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 17, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Islip that are best for you.

Fly from

LaGuardia

Fly to

Islip

Route

Depart

Return

Price

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Tue 9/16

6:30 am-3:23 pm

1 stop8h 53m

Islip Long Island

Fri 9/26

11:35 am-8:02 pm

1 stop8h 27m

$236

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Wed 9/17

6:30 am-3:23 pm

1 stop8h 53m

Islip Long Island

Fri 9/26

11:35 am-8:02 pm

1 stop8h 27m

$236

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 9/14

9:59 am-10:40 am

1 stop24h 41m

Islip Long Island

Sun 9/21

11:25 am-9:00 am

1 stop21h 35m

$239

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 9/18

6:30 am-3:23 pm

1 stop8h 53m

Islip Long Island

Fri 9/26

11:35 am-8:02 pm

1 stop8h 27m

$287

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 9/5

6:30 am-3:23 pm

1 stop8h 53m

Islip Long Island

Sat 9/6

4:19 pm-8:58 am

1 stop16h 39m

$295

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sat 8/30

7:34 pm-11:59 pm

1 stop28h 25m

Islip Long Island

Sat 9/6

5:05 pm-9:00 am

1 stop15h 55m

$348

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Mon 9/15

6:30 am-3:23 pm

1 stop8h 53m

Islip Long Island

Fri 9/26

11:35 am-8:02 pm

1 stop8h 27m

$348

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Wed 9/17

6:30 am-3:23 pm

1 stop8h 53m

Islip Long Island

Wed 9/24

11:35 am-8:00 pm

1 stop8h 25m

$373

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Tue 9/16

6:30 am-3:23 pm

1 stop8h 53m

Islip Long Island

Wed 9/24

11:35 am-8:00 pm

1 stop8h 25m

$373

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Tue 9/16

6:30 am-3:23 pm

1 stop8h 53m

Islip Long Island

Mon 9/22

11:35 am-8:02 pm

1 stop8h 27m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Best time to book a flight from LaGuardia to Islip

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

Related info for your journey

Find useful and relevant information for your journey from LaGuardia to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islip from New York LaGuardia?

    Most people fly into Islip Long Island (ISP) if they book a flight to Islip from New York LaGuardia. On average, Long Island has 0 inbound flights from New York LaGuardia per day from 0 airlines. Islip Long Island is conveniently located just 7.2 mi from Islip’s city center.

  • Can I find deals for flights from LaGuardia to Islip that include hotel bookings?

    Yes. In addition to deals on LaGuardia to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from LaGuardia to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from LaGuardia to Islip.

  • Can I find deals for business class flights from LaGuardia to Islip?

    Yes. Cheapflights offers flight deals from LaGuardia to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New York LaGuardia Airport to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from New York LaGuardia Airport to Islip, New York (average of $108). Flying from New York LaGuardia Airport to Islip, New York in November is currently the most expensive (average of $213). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Islip?

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