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Islip

$155+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — ISP
Apr 14 — Apr 211
Di 4/14
Di 4/21
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 März 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
So 6/78:29 pm
LGA
-
ISP
1 stop13h 36m
Multiple Airlines
So 6/1410:03 am
ISP
-
LGA
1 stop12h 12m
Multiple Airlines
Deal found 3/12$400
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Fr 6/128:29 pm
LGA
-
ISP
1 stop12h 39m
Frontier
Mo 6/1510:03 am
ISP
-
LGA
2 stops13h 12m
Frontier
Deal found 3/13$426
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
So 4/128:28 pm
LGA
-
ISP
2 stops23h 37m
Multiple Airlines
So 4/194:07 pm
ISP
-
LGA
1 stop30h 08m
Multiple Airlines
Deal found 3/13$454
This JetBlue deal was found by Cheapflights users on 3/13. 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.
Fr 6/122:29 pm
LGA
-
ISP
1 stop8h 48m
JetBlue
Mo 6/1512:25 pm
ISP
-
LGA
1 stop7h 20m
JetBlue
Deal found 3/13$458
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Fr 9/48:29 pm
LGA
-
ISP
2 stops14h 48m
Multiple Airlines
Mo 9/71:00 pm
ISP
-
LGA
1 stop9h 10m
Multiple Airlines
Deal found 3/13$460
This Expedia deal was found by Cheapflights users on 3/11. 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.
Fr 5/112:00 pm
LGA
-
ISP
1 stop7h 39m
JetBlue
So 5/39:04 pm
ISP
-
LGA
1 stop12h 26m
JetBlue
Deal found 3/11$483
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Fr 4/107:59 pm
LGA
-
ISP
1 stop14h 31m
Multiple Airlines
Fr 4/178:31 pm
ISP
-
LGA
2 stops21h 21m
Multiple Airlines
Deal found 3/11$561
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Do 3/196:30 am
LGA
-
ISP
1 stop9h 19m
Multiple Airlines
Sa 3/2110:43 am
ISP
-
LGA
2 stops20h 54m
Multiple Airlines
Deal found 3/15$734
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
So 3/157:59 pm
LGA
-
ISP
1 stop16h 34m
Multiple Airlines
Di 3/1711:59 am
ISP
-
LGA
2 stops19h 38m
Multiple Airlines
Deal found 3/11$762

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 März 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$400
(Kiwi.com)

One-way from

$155
(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 März 15, 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

So 6/7

8:29 pm-10:05 am

1 stop13h 36m

Islip Long Island

So 6/14

10:03 am-10:15 pm

1 stop12h 12m

$400

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fr 6/12

8:29 pm-9:08 am

1 stop12h 39m

Islip Long Island

Mo 6/15

10:03 am-11:15 pm

2 stops13h 12m

$426

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

So 6/7

8:29 pm-10:05 am

1 stop13h 36m

Islip Long Island

So 6/14

10:03 am-8:58 pm

2 stops10h 55m

$454
Quickest round-trip

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fr 6/12

2:29 pm-11:17 pm

1 stop8h 48m

Islip Long Island

Mo 6/15

12:25 pm-7:45 pm

1 stop7h 20m

$458

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fr 9/4

7:00 am-12:20 pm

1 stop5h 20m

Islip Long Island

Mo 9/7

1:00 pm-12:00 pm

1 stop23h 00m

$474

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

So 4/12

4:55 pm-1:31 pm

1 stop20h 36m

Islip Long Island

So 4/19

4:07 pm-7:30 pm

2 stops27h 23m

$477

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fr 5/1

12:00 pm-7:39 pm

1 stop7h 39m

Islip Long Island

So 5/3

9:04 pm-9:30 am

1 stop12h 26m

$483

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fr 4/10

7:59 pm-10:30 am

1 stop14h 31m

Islip Long Island

Fr 4/17

8:31 pm-5:52 pm

2 stops21h 21m

$561

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sa 8/1

6:30 am-2:44 pm

1 stop8h 14m

Islip Long Island

So 8/2

12:25 pm-9:55 pm

1 stop9h 30m

$763

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

So 4/12

1:29 pm-10:30 pm

1 stop9h 01m

Islip Long Island

So 4/19

9:04 pm-10:48 am

1 stop13h 44m

$1,351

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 16 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 March.
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 8h 48m. Frontier provides one of the quickest options available for as low as $458. 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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