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Islip

$126+ 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 12 — Aug 191
Wed 8/12
Wed 8/19
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 13, 2026.

This Expedia deal was found by Cheapflights users on 7/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
LGA
-
ISP
1 stop13h 33m
JetBlue
Wed 8/266:00 am
ISP
-
LGA
1 stop8h 45m
JetBlue
Deal found 7/10$460
This JetBlue deal was found by Cheapflights users on 7/11. 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.
Tue 10/2012:00 pm
LGA
-
ISP
1 stop9h 35m
JetBlue
Sat 10/246:00 am
ISP
-
LGA
1 stop7h 34m
JetBlue
Deal found 7/11$470
This Expedia deal was found by Cheapflights users on 7/7. 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.
Sat 12/129:30 pm
LGA
-
ISP
1 stop12h 25m
JetBlue
Tue 12/1510:45 am
ISP
-
LGA
1 stop10h 45m
JetBlue
Deal found 7/7$503
This Priceline deal was found by Cheapflights users on 7/7. 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 8/512:00 pm
LGA
-
ISP
1 stop9h 44m
JetBlue
Wed 8/126:00 am
ISP
-
LGA
1 stop7h 32m
JetBlue
Deal found 7/7$533
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Sun 8/28:29 pm
LGA
-
ISP
1 stop13h 24m
Multiple Airlines
Sun 8/167:49 pm
ISP
-
LGA
2 stops26h 54m
Multiple Airlines
Deal found 7/11$610
This Expedia deal was found by Cheapflights users on 7/9. 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.
Sat 8/82:29 pm
LGA
-
ISP
1 stop9h 38m
JetBlue
Sat 8/156:00 am
ISP
-
LGA
1 stop13h 50m
JetBlue
Deal found 7/9$720
This Priceline deal was found by Cheapflights users on 7/11. 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.
Thu 7/2312:00 pm
LGA
-
ISP
1 stop9h 44m
JetBlue
Tue 7/286:00 am
ISP
-
LGA
1 stop7h 32m
JetBlue
Deal found 7/11$726
This United deal was found by Cheapflights users on 7/10. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:29 pm
LGA
-
ISP
2 stops15h 27m
Multiple Airlines
Wed 8/262:16 pm
ISP
-
LGA
2 stops9h 14m
Multiple Airlines
Deal found 7/10$747
This Priceline deal was found by Cheapflights users on 7/11. 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.
Mon 7/272:29 pm
LGA
-
ISP
1 stop9h 18m
JetBlue
Sun 8/26:00 am
ISP
-
LGA
1 stop8h 35m
JetBlue
Deal found 7/11$818

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 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$413
(JetBlue)

One-way from

$126
(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
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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 July 13, 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

Tue 8/25

6:00 am-7:33 pm

1 stop13h 33m

Islip Long Island

Wed 8/26

6:00 am-2:45 pm

1 stop8h 45m

$460
Quickest round-trip

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Tue 10/20

12:00 pm-9:35 pm

1 stop9h 35m

Islip Long Island

Sat 10/24

6:00 am-1:34 pm

1 stop7h 34m

$470

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Wed 8/5

12:00 pm-9:44 pm

1 stop9h 44m

Islip Long Island

Wed 8/12

6:00 am-1:32 pm

1 stop7h 32m

$533

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sat 8/8

2:29 pm-12:07 am

1 stop9h 38m

Islip Long Island

Sat 8/15

6:00 am-7:50 pm

1 stop13h 50m

$720

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 7/23

12:00 pm-9:44 pm

1 stop9h 44m

Islip Long Island

Tue 7/28

6:00 am-1:32 pm

1 stop7h 32m

$726

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Tue 8/25

7:29 pm-10:56 am

2 stops15h 27m

Islip Long Island

Wed 8/26

2:16 pm-11:30 pm

2 stops9h 14m

$747

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Mon 7/27

2:29 pm-11:47 pm

1 stop9h 18m

Islip Long Island

Sun 8/2

6:00 am-2:35 pm

1 stop8h 35m

$818
Cheapest one-way

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Wed 8/19

8:29 pm-6:14 pm

1 stop21h 45m

$153

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 8/14

6:29 am-9:53 am

2 stops27h 24m

$188

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Wed 8/19

10:00 pm-6:06 pm

3 stops20h 06m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 15 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 13h 33m. JetBlue provides one of the quickest options available for as low as $460. 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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