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Cheap flights from New York LaGuardia Airport to New York from $170

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to New York departing on 3/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from New York LaGuardia Airport to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:55 pm - 1:28 pm
LGA
-
ISP
20h 33m
1 stop
Multiple Airlines Logo
4:07 pm - 4:00 pm
ISP
-
LGA
23h 53m
1 stop
$206Multiple Airlines
Thu, May 14 - Mon, May 18
Multiple Airlines Logo
8:25 pm - 9:13 am
LGA
-
ISP
12h 48m
1 stop
Multiple Airlines Logo
6:09 pm - 11:44 pm
ISP
-
LGA
5h 35m
1 stop
$242Multiple Airlines
Sun, May 17 - Wed, May 20
Frontier Logo
8:25 pm - 9:13 am
LGA
-
ISP
12h 48m
1 stop
Frontier Logo
4:07 pm - 5:30 pm
ISP
-
LGA
25h 23m
2 stops
$244Frontier
Thu, May 14 - Mon, May 18
Multiple Airlines Logo
8:25 pm - 9:13 am
LGA
-
ISP
12h 48m
1 stop
Multiple Airlines Logo
11:57 am - 10:12 pm
ISP
-
LGA
10h 15m
2 stops
$246Multiple Airlines
Sun, May 17 - Wed, May 20
Multiple Airlines Logo
4:59 pm - 4:13 pm
LGA
-
ISP
23h 14m
1 stop
Multiple Airlines Logo
11:50 am - 11:15 pm
ISP
-
LGA
11h 25m
2 stops
$328Multiple Airlines
Wed, Mar 11 - Wed, Mar 18
JetBlue Logo
9:30 pm - 8:55 am
LGA
-
ISP
11h 25m
1 stop
JetBlue Logo
8:25 am - 9:57 pm
ISP
-
LGA
13h 32m
1 stop
$438JetBlue
Wed, Mar 11 - Wed, Mar 18

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport to Islip, New York 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, momondo users made 832,500 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 5/14

4:55 pm-1:28 pm

1 stop20h 33m

Islip Long Island

Mon 5/18

4:07 pm-4:00 pm

1 stop23h 53m

$206

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 5/17

8:25 pm-9:13 am

1 stop12h 48m

Islip Long Island

Wed 5/20

6:09 pm-11:44 pm

1 stop5h 35m

$242

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 5/14

8:25 pm-9:13 am

1 stop12h 48m

Islip Long Island

Mon 5/18

4:07 pm-5:30 pm

2 stops25h 23m

$244

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 5/17

8:25 pm-9:13 am

1 stop12h 48m

Islip Long Island

Wed 5/20

11:57 am-10:12 pm

2 stops10h 15m

$246

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Wed 3/11

4:59 pm-4:13 pm

1 stop23h 14m

Islip Long Island

Wed 3/18

11:50 am-11:15 pm

2 stops11h 25m

$328

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Wed 3/11

9:30 pm-8:55 am

1 stop11h 25m

Islip Long Island

Wed 3/18

8:25 am-9:57 pm

1 stop13h 32m

$438

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 3/15

12:59 pm-8:05 pm

2 stops31h 06m

$170

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 3/15

9:55 am-12:33 pm

1 stop26h 38m

$174

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 4/3

12:55 pm-11:42 pm

2 stops34h 47m

$182

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 4/3

7:59 pm-11:42 pm

1 stop27h 43m

$222

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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When to book flights from New York LaGuardia Airport to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from New York LaGuardia Airport to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap New York LaGuardia Airport to Islip, New York (LGA to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Islip, New York

Fastest flight time

11h 48m

Direct flights

None
The fastest flight from New York LaGuardia Airport to Islip, New York takes 11h 48m
There are no direct flights from New York LaGuardia Airport to Islip, New York. There are no popular flight routes from New York LaGuardia Airport to Islip, New York.
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  • How far is New York LaGuardia to Islip Long Island by plane?

    There are 34.8 mi between New York LaGuardia and Islip Long Island. By plane, this route typically takes 11h 48m.

  • When did momondo last update prices for flights from New York LaGuardia Airport to Islip Long Island Airport?

    Prices for flights from New York LaGuardia Airport to Islip Long Island Airport were last updated today.

  • How old do you have to be to fly from New York LaGuardia Airport to Islip Long Island Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New York LaGuardia Airport to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from New York LaGuardia Airport to Islip, New York?

    Price Alerts will notify you by email when the price for flights to Islip, New York from New York LaGuardia Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from New York LaGuardia Airport to Islip, New York with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Sag Harbor
Southampton
Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from New York to Islip?

Finding the right flight to Islip from New York is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

Can I find flights from New York to Islip with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Islip from New York with this policy.

How can momondo help me find flights from New York to Islip?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Islip from New York.

I’m not ready to book a flight from New York to Islip right now. Can momondo alert me if prices change?

Yes. momondo can track prices for New York to Islip flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Sat 3/14
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