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Islip

$353+ Cheap flights from LaGuardia, NY (LGA) to Islip, NY (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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — ISP
Sep 11 — Sep 181
Fri 9/11
Fri 9/18
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 12, 2026.

This JetBlue deal was found by Cheapflights users on 8/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:29 pm -
1 stop9h 53m
Wed 9/237:00 am -
1 stop7h 59m
Deal found 8/11$353
This Justfly.com deal was found by Cheapflights users on 8/10. 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.
Wed 9/94:00 pm -
1 stop7h 22m
Wed 9/167:00 am -
1 stop14h 28m
Deal found 8/10$444
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/38:29 pm -
1 stop13h 24m
Sun 9/610:57 am -
2 stops10h 02m
Deal found 8/9$446
This Priceline deal was found by Cheapflights users on 8/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:30 pm -
1 stop9h 07m
Wed 12/210:40 am -
1 stop10h 49m
Deal found 8/11$498
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Fri 8/288:29 pm -
1 stop13h 24m
Sun 8/307:09 pm -
2 stops20h 51m
Deal found 8/11$520
This Expedia deal was found by Cheapflights users on 8/9. 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 9/312:00 pm -
1 stop9h 49m
Sun 9/66:00 am -
1 stop7h 32m
Deal found 8/9$594
This Justfly.com deal was found by Cheapflights users on 8/9. 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.
Tue 9/812:00 pm -
1 stop7h 33m
Tue 9/157:00 am -
1 stop14h 28m
Deal found 8/9$614
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 8/228:29 pm -
1 stop13h 24m
Mon 8/2410:57 am -
2 stops12h 17m
Deal found 8/10$702
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Fri 8/218:29 pm -
1 stop13h 24m
Sun 8/2310:57 am -
2 stops12h 17m
Deal found 8/11$721
This United deal was found by Cheapflights users on 8/9. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 am -
2 stops11h 41m
Tue 9/1510:05 am -
2 stops13h 25m
Deal found 8/9$817

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 12, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$353
(JetBlue)
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
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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 12, 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

Sat 9/19

1:29 pm-11:22 pm

1 stop9h 53m

Islip Long Island

Wed 9/23

7:00 am-2:59 pm

1 stop7h 59m

$353

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Thu 9/24

4:00 pm-11:22 pm

1 stop7h 22m

Islip Long Island

Mon 9/28

7:00 am-9:28 pm

1 stop14h 28m

$444

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Wed 9/9

4:00 pm-11:22 pm

1 stop7h 22m

Islip Long Island

Wed 9/16

7:00 am-9:28 pm

1 stop14h 28m

$444

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Wed 11/18

12:30 pm-9:37 pm

1 stop9h 07m

Islip Long Island

Wed 12/2

10:40 am-9:29 pm

1 stop10h 49m

$498

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Fri 8/28

8:29 pm-9:53 am

1 stop13h 24m

Islip Long Island

Sun 8/30

7:09 pm-4:00 pm

2 stops20h 51m

$520

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Tue 9/8

12:00 pm-7:33 pm

1 stop7h 33m

Islip Long Island

Tue 9/15

7:00 am-9:28 pm

1 stop14h 28m

$614
Quickest round-trip

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Thu 9/3

12:00 pm-9:49 pm

1 stop9h 49m

Islip Long Island

Sun 9/6

6:00 am-1:32 pm

1 stop7h 32m

$695

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Tue 9/8

6:00 am-5:41 pm

2 stops11h 41m

Islip Long Island

Tue 9/15

10:05 am-11:30 pm

2 stops13h 25m

$817

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Sat 9/19

7:29 pm-10:30 am

2 stops15h 01m

Islip Long Island

Wed 9/23

7:31 am-11:30 pm

2 stops15h 59m

$835

New YorkIslip

LGA New York LaGuardia - ISP Islip Long Island

LGAISP

New York LaGuardia

Wed 11/18

6:00 am-1:24 pm

2 stops7h 24m

Islip Long Island

Wed 12/2

11:53 am-11:27 pm

2 stops11h 34m

$845

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 15 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 $353. 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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