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Islip

$113+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — ISP
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheap 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 2, 2025.

Round-trip from

$353
(Expedia)

One-way from

$181
(Expedia)
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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Find 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 2, 2025.

This Expedia deal was found by Cheapflights users on 7/1. 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 7/316:40 amLGA - ISP
1 stop6h 16mJetBlue
Thu 8/71:21 pmISP - LGA
1 stop8h 29mJetBlue
Deal found 7/1$353
This Trip.com deal was found by Cheapflights users on 6/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/184:30 pmLGA - ISP
1 stop6h 29mMultiple Airlines
Mon 7/218:00 amISP - LGA
1 stop14h 02mMultiple Airlines
Deal found 6/30$467

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 2, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Islip that are best for you.

Fly from

LaGuardia

Fly to

Islip

Route

Depart

Return

Price

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 7/31

6:40 am-12:56 pm

1 stop6h 16m

Islip Long Island

Thu 8/7

1:21 pm-9:50 pm

1 stop8h 29m

$353

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 7/18

4:30 pm-10:59 pm

1 stop6h 29m

Islip Long Island

Mon 7/21

8:00 am-10:02 pm

1 stop14h 02m

$467

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 10/24

12:59 pm-7:53 pm

1 stop6h 54m

$113

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Mon 7/28

11:55 am-10:58 am

2 stops23h 03m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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.

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated July 2, 2025.
See what other customers who have flown with JetBlue and Frontier from New York LaGuardia Airport to Islip have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.3
Good
2,918 reviews

Entertainment

7.3

Food

6.7

Boarding

7.5

Overall

7.3

Crew

8.0

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2025

JFK - CHS

Boarding took a very long time, in fact we were delayed by at least 30mins. There wasn’t many options for snacks and there was only water. The pilot did an excellent job
JetBlue
7.3
Good
2,918 reviews
JetBlue
7.3
Good
2,918 reviews

Entertainment

7.3

Food

6.7

Boarding

7.5

Overall

7.3

Crew

8.0

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2025

JFK - CHS

Boarding took a very long time, in fact we were delayed by at least 30mins. There wasn’t many options for snacks and there was only water. The pilot did an excellent job
Frontier
5.9
Fair
3,290 reviews
JetBlue
7.3
Good
2,918 reviews

Entertainment

7.3

Food

6.7

Boarding

7.5

Overall

7.3

Crew

8.0

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2025

JFK - CHS

Boarding took a very long time, in fact we were delayed by at least 30mins. There wasn’t many options for snacks and there was only water. The pilot did an excellent job

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.

  • 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.

  • What is the cheapest month to book a flight from New York LaGuardia Airport to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from New York LaGuardia Airport to Islip, New York (average of $108). Flying from New York LaGuardia Airport to Islip, New York in November is currently the most expensive (average of $213). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near New York LaGuardia Airport?

Book flights to New York LaGuardia Airport if you plan to visit one of these locations
Southampton
Riverhead

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