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Islip

$167+ Cheap flights from LaGuardia, NY (LGA) to Islip, NY (ISP)

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — ISP
Aug 18 — Aug 251
Tue 8/18
Tue 8/25
1 adult, Economy
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Cheap 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 July 19, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:29 pm
LGA
-
ISP
1 stop13h 04m
Frontier
Mon 10/124:13 pm
ISP
-
LGA
1 stop23h 46m
Frontier
Deal found 7/14$266
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:29 pm
LGA
-
ISP
1 stop13h 04m
Frontier
Mon 10/194:13 pm
ISP
-
LGA
1 stop23h 46m
Frontier
Deal found 7/14$299
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 9/198:29 pm
LGA
-
ISP
1 stop13h 04m
Frontier
Wed 9/234:13 pm
ISP
-
LGA
1 stop23h 46m
Frontier
Deal found 7/17$313
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 9/198:29 pm
LGA
-
ISP
1 stop13h 04m
Multiple Airlines
Wed 9/2312:00 pm
ISP
-
LGA
2 stops11h 15m
Multiple Airlines
Deal found 7/17$328
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:00 pm
LGA
-
ISP
2 stops12h 17m
Multiple Airlines
Mon 10/124:13 pm
ISP
-
LGA
1 stop23h 46m
Multiple Airlines
Deal found 7/14$348
This lol.travel deal was found by Cheapflights users on 7/17. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:00 pm
LGA
-
ISP
1 stop7h 33m
JetBlue
Thu 9/36:00 am
ISP
-
LGA
1 stop8h 45m
JetBlue
Deal found 7/17$371
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:30 pm
LGA
-
ISP
2 stops15h 23m
Frontier
Thu 8/207:09 pm
ISP
-
LGA
1 stop22h 36m
Frontier
Deal found 7/14$479
This Expedia deal was found by Cheapflights users on 7/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:00 pm
LGA
-
ISP
1 stop9h 49m
JetBlue
Thu 8/206:00 am
ISP
-
LGA
1 stop7h 32m
JetBlue
Deal found 7/14$499
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
Sun 8/168:29 pm
LGA
-
ISP
1 stop13h 24m
Frontier
Sat 8/227:09 pm
ISP
-
LGA
2 stops20h 51m
Frontier
Deal found 7/17$513
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:29 pm
LGA
-
ISP
1 stop13h 24m
Frontier
Sat 8/110:43 am
ISP
-
LGA
2 stops12h 00m
Frontier
Deal found 7/14$520
This Expedia deal was found by Cheapflights users on 7/15. 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 8/128:59 pm
LGA
-
ISP
1 stop12h 06m
JetBlue
Wed 8/196:00 am
ISP
-
LGA
1 stop8h 45m
JetBlue
Deal found 7/15$570

Find 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 July 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$266
(Kiwi.com)

One-way from

$167
(Kiwi.com)
Provider with most accurate pricing for New York LaGuardia-Islip Long Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York LaGuardia-Islip Long Island flights.
Search Deals
From New York LaGuardia to Islip Long Island
Search Deals
One-way flight from New York LaGuardia to Islip Long Island
Search Deals

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 July 19, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sat 9/19

8:29 pm-9:33 am

1 stop13h 04m

Islip Long Island

Wed 9/23

4:13 pm-3:59 pm

1 stop23h 46m

$313

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sat 9/19

8:29 pm-9:33 am

1 stop13h 04m

Islip Long Island

Wed 9/23

12:00 pm-11:15 pm

2 stops11h 15m

$328
Quickest round-trip

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 8/27

12:00 pm-7:33 pm

1 stop7h 33m

Islip Long Island

Thu 9/3

6:00 am-2:45 pm

1 stop8h 45m

$371

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 8/13

10:00 pm-9:53 am

2 stops35h 53m

Islip Long Island

Thu 8/20

7:09 pm-5:45 pm

1 stop22h 36m

$489

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 8/13

12:00 pm-9:49 pm

1 stop9h 49m

Islip Long Island

Thu 8/20

6:00 am-1:32 pm

1 stop7h 32m

$499

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 8/16

8:29 pm-9:53 am

1 stop13h 24m

Islip Long Island

Sat 8/22

7:09 pm-4:00 pm

2 stops20h 51m

$513

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Wed 8/12

8:59 pm-9:05 am

1 stop12h 06m

Islip Long Island

Wed 8/19

6:00 am-2:45 pm

1 stop8h 45m

$570

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 8/6

12:00 pm-9:49 pm

1 stop9h 49m

Islip Long Island

Fri 8/7

6:00 am-7:50 pm

1 stop13h 50m

$643

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Wed 8/12

6:00 am-8:15 pm

2 stops14h 15m

Islip Long Island

Wed 8/19

7:31 am-11:30 pm

2 stops15h 59m

$809

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 8/16

6:00 am-7:33 pm

1 stop13h 33m

Islip Long Island

Sat 8/22

6:00 am-1:32 pm

1 stop7h 32m

$842

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from LaGuardia 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 from LaGuardia to Islip in July.
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: When it comes to deals on New York LaGuardia Airport-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New York LaGuardia Airport-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New York LaGuardia Airport-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New York LaGuardia Airport-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for New York LaGuardia Airport-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, New York?

    A quick flight from New York LaGuardia Airport to Islip, New York can take about 7h 33m. Frontier provides one of the quickest options available for as low as $371. The distance between New York LaGuardia Airport and Islip, New York is about 41 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

See more FAQs

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