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Islip

$177+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — ISP
Sep 16 — Sep 231
Wed 9/16
Wed 9/23
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 August 17, 2026.

This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:29 pm -
1 stop9h 53m
Thu 9/177:00 am -
1 stop7h 59m
Deal found 8/17$354
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:59 am -
1 stop15h 23m
Mon 9/147:00 am -
1 stop7h 59m
Deal found 8/16$410
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:00 pm -
1 stop7h 33m
Fri 9/117:00 am -
1 stop13h 03m
Deal found 8/14$457
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:59 pm -
1 stop13h 44m
Sun 9/66:00 am -
1 stop7h 32m
Deal found 8/15$514
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 10/17:29 am -
1 stop8h 07m
Mon 10/57:00 am -
1 stop7h 59m
Deal found 8/16$524
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:00 am -
1 stop17h 22m
Sun 9/207:00 am -
1 stop13h 03m
Deal found 8/14$559
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.
Tue 8/188:29 pm -
1 stop13h 24m
Tue 8/255:27 pm -
2 stops22h 33m
Deal found 8/17$683
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Fri 8/218:29 pm -
1 stop13h 24m
Mon 8/3110:57 am -
2 stops12h 17m
Deal found 8/13$690

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 August 17, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$410
(Justfly.com)

One-way from

$177
(JetBlue)
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 August 17, 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 New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Thu 9/10

1:29 pm-11:22 pm

1 stop9h 53m

Islip Long Island

Thu 9/17

7:00 am-2:59 pm

1 stop7h 59m

$354

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Sat 9/12

7:59 am-11:22 pm

1 stop15h 23m

Islip Long Island

Mon 9/14

7:00 am-2:59 pm

1 stop7h 59m

$410

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Sun 9/6

12:00 pm-7:33 pm

1 stop7h 33m

Islip Long Island

Fri 9/11

7:00 am-8:03 pm

1 stop13h 03m

$457

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Thu 9/3

8:59 pm-10:43 am

1 stop13h 44m

Islip Long Island

Sun 9/6

6:00 am-1:32 pm

1 stop7h 32m

$514
Quickest round-trip

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Thu 10/1

7:29 am-3:36 pm

1 stop8h 07m

Islip Long Island

Mon 10/5

7:00 am-2:59 pm

1 stop7h 59m

$524

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Sun 9/13

6:00 am-11:22 pm

1 stop17h 22m

Islip Long Island

Sun 9/20

7:00 am-8:03 pm

1 stop13h 03m

$559

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Fri 8/21

8:29 pm-9:53 am

1 stop13h 24m

Islip Long Island

Mon 8/31

10:57 am-11:14 pm

2 stops12h 17m

$690

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Thu 10/29

12:30 pm-9:37 pm

1 stop9h 07m

Islip Long Island

Sun 11/1

6:00 am-3:04 pm

1 stop9h 04m

$695
Cheapest one-way

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Sat 9/12

1:29 pm-11:22 pm

1 stop9h 53m

$177

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Sat 9/12

4:55 pm-11:12 am

2 stops42h 17m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Showing 1-10 of 11 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 53m. JetBlue provides one of the quickest options available for as low as $354. The distance between New York LaGuardia Airport and Islip, New York is about 41 mi.

  • 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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