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Islip

$237+ Cheap flights from LaGuardia, NY (LGA) to Islip (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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — ISP
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$237
(Kiwi.com)
From New York LaGuardia to Islip Long Island
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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 September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Thu 10/239:59 amLGA - ISP
1 stop10h 43mMultiple Airlines
Sun 10/269:47 pmISP - LGA
1 stop11h 13mMultiple Airlines
Deal found 9/17$237
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:30 amLGA - ISP
1 stop8h 50mJetBlue
Sat 10/1811:35 amISP - LGA
1 stop8h 25mJetBlue
Deal found 9/16$270
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Fri 10/1712:59 pmLGA - ISP
1 stop21h 38mMultiple Airlines
Sun 10/199:47 pmISP - LGA
1 stop11h 13mMultiple Airlines
Deal found 9/17$283
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/199:30 pmLGA - ISP
1 stop12h 15mJetBlue
Sun 11/2310:24 amISP - LGA
1 stop11h 35mJetBlue
Deal found 9/15$342
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:30 pmLGA - ISP
1 stop12h 25mJetBlue
Sun 11/161:57 pmISP - LGA
1 stop9h 05mJetBlue
Deal found 9/17$362
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Fri 9/1910:56 pmLGA - ISP
2 stops35h 44mMultiple Airlines
Mon 9/225:05 pmISP - LGA
1 stop15h 55mMultiple Airlines
Deal found 9/17$470
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:30 pmLGA - ISP
1 stop12h 25mJetBlue
Sun 11/94:25 pmISP - LGA
1 stop6h 37mJetBlue
Deal found 9/16$497
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 11/187:15 pmLGA - ISP
1 stop15h 22mMultiple Airlines
Sun 11/232:19 pmISP - LGA
2 stops19h 41mMultiple Airlines
Deal found 9/15$501
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:30 pmLGA - ISP
1 stop12h 25mJetBlue
Tue 11/1110:44 amISP - LGA
1 stop10h 54mJetBlue
Deal found 9/16$567

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 September 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

Thu 10/23

9:59 am-8:42 pm

1 stop10h 43m

Islip Long Island

Sun 10/26

9:47 pm-9:00 am

1 stop11h 13m

$237

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Wed 10/15

6:30 am-3:20 pm

1 stop8h 50m

Islip Long Island

Sat 10/18

11:35 am-8:00 pm

1 stop8h 25m

$270

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 10/17

12:59 pm-10:37 am

1 stop21h 38m

Islip Long Island

Sun 10/19

9:47 pm-9:00 am

1 stop11h 13m

$283

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 11/14

7:15 pm-10:37 am

1 stop15h 22m

Islip Long Island

Sun 11/16

9:27 pm-11:29 am

2 stops14h 02m

$286

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Wed 11/19

9:30 pm-9:45 am

1 stop12h 15m

Islip Long Island

Sun 11/23

10:24 am-9:59 pm

1 stop11h 35m

$342

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 11/14

9:30 pm-9:55 am

1 stop12h 25m

Islip Long Island

Sun 11/16

1:57 pm-11:02 pm

1 stop9h 05m

$362

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 11/7

9:30 pm-9:55 am

1 stop12h 25m

Islip Long Island

Sun 11/9

4:25 pm-11:02 pm

1 stop6h 37m

$497

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Wed 11/19

7:15 pm-9:07 am

1 stop13h 52m

Islip Long Island

Sun 11/23

2:19 pm-10:00 am

2 stops19h 41m

$501

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Tue 11/18

7:15 pm-10:37 am

1 stop15h 22m

Islip Long Island

Sun 11/23

2:19 pm-10:00 am

2 stops19h 41m

$501

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 11/7

9:30 pm-9:55 am

1 stop12h 25m

Islip Long Island

Tue 11/11

10:44 am-9:38 pm

1 stop10h 54m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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.

  • How long is the flight from New York LaGuardia Airport to Islip?

    For as low as $270, JetBlue can have you in Islip from New York LaGuardia Airport in 8h 50m. There are 41 mi between New York LaGuardia Airport and Islip.

  • 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?

    Currently, January is the cheapest month in which you can book a flight from New York LaGuardia Airport to Islip (average of $108). Flying from New York LaGuardia Airport to Islip 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?

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