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Islip

$243+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — ISP
8월 27 — 9월 31
목 8/27
목 9/3
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 7월 28, 2026.

This FlightHub deal was found by Cheapflights users on 7/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 9/127:29 am
LGA
-
ISP
1 stop8h 07m
JetBlue
화 9/157:00 am
ISP
-
LGA
1 stop14h 28m
JetBlue
Deal found 7/25$405
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
월 8/248:29 pm
LGA
-
ISP
1 stop13h 24m
Frontier
월 8/317:09 pm
ISP
-
LGA
2 stops20h 51m
Frontier
Deal found 7/25$406
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
목 8/208:29 pm
LGA
-
ISP
1 stop13h 24m
Frontier
목 8/2710:57 am
ISP
-
LGA
2 stops12h 17m
Frontier
Deal found 7/23$495
This Travelocity deal was found by Cheapflights users on 7/23. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 12/112:00 pm
LGA
-
ISP
1 stop10h 04m
JetBlue
목 12/36:00 am
ISP
-
LGA
1 stop8h 59m
JetBlue
Deal found 7/23$502
This Expedia deal was found by Cheapflights users on 7/23. 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.
목 8/2012:00 pm
LGA
-
ISP
1 stop9h 49m
JetBlue
목 8/276:00 am
ISP
-
LGA
1 stop13h 50m
JetBlue
Deal found 7/23$554
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
금 8/218:29 pm
LGA
-
ISP
1 stop13h 24m
Frontier
금 8/2810:57 am
ISP
-
LGA
2 stops12h 17m
Frontier
Deal found 7/24$584
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
일 8/238:29 pm
LGA
-
ISP
1 stop13h 24m
Frontier
일 8/3010:57 am
ISP
-
LGA
2 stops12h 17m
Frontier
Deal found 7/26$599
This Priceline deal was found by Cheapflights users on 7/27. 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.
일 8/307:30 am
LGA
-
ISP
1 stop12h 03m
JetBlue
월 8/316:00 am
ISP
-
LGA
1 stop7h 32m
JetBlue
Deal found 7/27$647
This Priceline deal was found by Cheapflights users on 7/27. 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.
금 10/912:00 pm
LGA
-
ISP
1 stop9h 35m
JetBlue
월 10/126:00 am
ISP
-
LGA
1 stop6h 30m
JetBlue
Deal found 7/27$649
This Expedia deal was found by Cheapflights users on 7/24. 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.
금 8/217:40 am
LGA
-
ISP
1 stop14h 04m
JetBlue
금 8/286:00 am
ISP
-
LGA
1 stop7h 32m
JetBlue
Deal found 7/24$712
This Expedia deal was found by Cheapflights users on 7/26. 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.
일 8/236:00 am
LGA
-
ISP
1 stop13h 33m
JetBlue
일 8/306:00 am
ISP
-
LGA
1 stop7h 32m
JetBlue
Deal found 7/26$751

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 7월 28, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$405
(FlightHub)

One-way from

$243
(Kiwi.com)
Provider with most accurate pricing for New York LaGuardia-Islip Long Island flight deals.
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Provider most trusted by Cheapflights users for New York LaGuardia-Islip Long Island flights.
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From New York LaGuardia to Islip Long Island
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One-way flight from New York LaGuardia to Islip Long Island
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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 7월 28, 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

화 10/27

12:30 pm-9:37 pm

1 stop9h 07m

Islip Long Island

토 10/31

6:00 am-3:04 pm

1 stop9h 04m

$405

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

월 8/24

8:29 pm-9:53 am

1 stop13h 24m

Islip Long Island

월 8/31

7:09 pm-5:45 pm

1 stop22h 36m

$445

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

화 12/1

12:00 pm-10:04 pm

1 stop10h 04m

Islip Long Island

목 12/3

6:00 am-2:59 pm

1 stop8h 59m

$502

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

목 8/20

12:00 pm-9:49 pm

1 stop9h 49m

Islip Long Island

목 8/27

6:00 am-7:50 pm

1 stop13h 50m

$554

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

일 8/23

8:29 pm-9:53 am

1 stop13h 24m

Islip Long Island

일 8/30

10:57 am-11:14 pm

2 stops12h 17m

$599

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

일 8/30

7:30 am-7:33 pm

1 stop12h 03m

Islip Long Island

월 8/31

6:00 am-1:32 pm

1 stop7h 32m

$647
Quickest round-trip

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

금 10/9

12:00 pm-9:35 pm

1 stop9h 35m

Islip Long Island

월 10/12

6:00 am-12:30 pm

1 stop6h 30m

$649

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

금 8/21

7:40 am-9:44 pm

1 stop14h 04m

Islip Long Island

금 8/28

6:00 am-1:32 pm

1 stop7h 32m

$712

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

일 8/23

6:00 am-7:33 pm

1 stop13h 33m

Islip Long Island

일 8/30

6:00 am-1:32 pm

1 stop7h 32m

$751

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

금 11/6

12:30 pm-9:37 pm

1 stop9h 07m

Islip Long Island

일 11/8

6:00 am-1:34 pm

1 stop7h 34m

$893

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 18 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on New York LaGuardia Airport-Islip, New York flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on New York LaGuardia Airport-Islip, New York flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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 9h 07m. JetBlue provides one of the quickest options available for as low as $405. 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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