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Cheap flights from New York LaGuardia Airport to New York from $236

This is the cheapest round-trip 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 1/25. 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
7:59 pm - 1:21 pm
LGA
-
ISP
17h 22m2 stops
Multiple Airlines Logo
9:25 am - 5:58 pm
ISP
-
LGA
8h 33m1 stop
$236Multiple Airlines
Sun, Jan 25 - Sun, Feb 1
Multiple Airlines Logo
7:59 pm - 6:48 pm
LGA
-
ISP
22h 49m1 stop
Multiple Airlines Logo
9:25 am - 5:58 pm
ISP
-
LGA
8h 33m1 stop
$240Multiple Airlines
Sun, Jan 25 - Sun, Feb 1

JetBlue flights from New York LaGuardia Airport to Islip, New York

Our best JetBlue deals on New York LaGuardia Airport to Islip, New York flight tickets
JetBlue
Jan 29
LGA9:35 pmNew York LaGuardia
11h 17m
1 stop
ISP8:52 amIslip Long Island
Feb 4
ISP11:05 amIslip Long Island
10h 44m
1 stop
LGA9:49 pmNew York LaGuardia
$277
Find similar
JetBlue
Jan 17
LGA9:29 amNew York LaGuardia
8h 21m
1 stop
ISP5:50 pmIslip Long Island
Jan 31
ISP11:05 amIslip Long Island
10h 32m
1 stop
LGA9:37 pmNew York LaGuardia
$293
Find similar
JetBlue
May 27
LGA6:40 amNew York LaGuardia
6h 16m
1 stop
ISP12:56 pmIslip Long Island
May 31
ISP1:51 pmIslip Long Island
8h 08m
1 stop
LGA9:59 pmNew York LaGuardia
$538
Find similar

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 December 28, 2025.
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

Sun 1/25

7:59 pm-1:21 pm

2 stops17h 22m

Islip Long Island

Sun 2/1

9:25 am-5:58 pm

1 stop8h 33m

$236

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 1/25

7:59 pm-6:48 pm

1 stop22h 49m

Islip Long Island

Sun 2/1

9:25 am-5:58 pm

1 stop8h 33m

$240

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 1/4

5:30 pm-1:45 pm

1 stop20h 15m

$255

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sat 1/3

9:29 am-11:59 pm

1 stop14h 30m

$317

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 1/4

10:00 pm-11:58 am

3 stops37h 58m

$325

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 1/4

10:55 pm-7:39 pm

2 stops20h 44m

$353

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sat 1/3

12:00 pm-9:58 am

2 stops21h 58m

$429

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sat 1/3

6:30 pm-1:39 pm

3 stops19h 09m

$517

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from New York LaGuardia Airport to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from New York LaGuardia to Islip Long Island?

Frontier is the most popular carrier operating from New York LaGuardia to Islip Long Island

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

10h 29m

Direct flights

None
The fastest flight from New York LaGuardia Airport to Islip, New York takes 10h 29m
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 10h 29m.

  • 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.

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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