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Cheap flights from New York LaGuardia Airport to New York from $286

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 5/8. 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
1 adult, Economy, 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
3:29 pm - 10:05 am
LGA
-
ISP
18h 36m
1 stop
Multiple Airlines Logo
11:00 am - 10:15 pm
ISP
-
LGA
11h 15m
1 stop
$286Multiple Airlines
Fri, May 8 - Mon, May 11
Multiple Airlines Logo
8:28 pm - 6:49 pm
LGA
-
ISP
22h 21m
1 stop
Multiple Airlines Logo
4:07 pm - 2:29 pm
ISP
-
LGA
22h 22m
1 stop
$375Multiple Airlines
Sun, Apr 12 - Thu, Apr 16
Multiple Airlines Logo
8:28 pm - 6:49 pm
LGA
-
ISP
22h 21m
1 stop
Multiple Airlines Logo
4:07 pm - 10:00 am
ISP
-
LGA
17h 53m
2 stops
$416Multiple Airlines
Sun, Apr 12 - Thu, Apr 16
JetBlue Logo
6:30 am - 3:23 pm
LGA
-
ISP
8h 53m
1 stop
JetBlue Logo
11:35 am - 8:02 pm
ISP
-
LGA
8h 27m
1 stop
$628JetBlue
Fri, Sep 11 - Sun, Sep 13
Multiple Airlines Logo
6:00 am - 3:11 pm
LGA
-
ISP
9h 11m
1 stop
Multiple Airlines Logo
5:45 am - 7:59 pm
ISP
-
LGA
14h 14m
2 stops
$765Multiple Airlines
Fri, Apr 10 - Mon, Apr 13
JetBlue Logo
12:00 pm - 8:04 pm
LGA
-
ISP
8h 04m
1 stop
JetBlue Logo
2:35 pm - 9:55 pm
ISP
-
LGA
7h 20m
1 stop
$874JetBlue
Mon, May 18 - Mon, May 25
JetBlue Logo
12:00 pm - 8:04 pm
LGA
-
ISP
8h 04m
1 stop
JetBlue Logo
2:35 pm - 9:55 pm
ISP
-
LGA
7h 20m
1 stop
$889JetBlue
Mon, May 18 - Mon, May 25
JetBlue Logo
3:55 pm - 10:56 pm
LGA
-
ISP
7h 01m
1 stop
JetBlue Logo
3:07 pm - 9:58 pm
ISP
-
LGA
6h 51m
1 stop
$992JetBlue
Thu, Jun 25 - Mon, Jun 29
JetBlue Logo
3:55 pm - 10:56 pm
LGA
-
ISP
7h 01m
1 stop
JetBlue Logo
12:25 pm - 7:45 pm
ISP
-
LGA
7h 20m
1 stop
$1,209JetBlue
Thu, Jun 18 - Mon, Jun 22
Multiple Airlines Logo
1:59 pm - 7:45 pm
LGA
-
ISP
5h 46m
2 stops
Multiple Airlines Logo
11:35 am - 9:45 pm
ISP
-
LGA
10h 10m
1 stop
$1,332Multiple Airlines
Fri, Sep 11 - Sun, Sep 13

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
Sep 11
LGA6:30 amNew York LaGuardia
8h 53m
1 stop
ISP3:23 pmIslip Long Island
Sep 13
ISP11:35 amIslip Long Island
8h 27m
1 stop
LGA8:02 pmNew York LaGuardia
$628
JetBlue
May 18
LGA12:00 pmNew York LaGuardia
8h 04m
1 stop
ISP8:04 pmIslip Long Island
May 25
ISP2:35 pmIslip Long Island
7h 20m
1 stop
LGA9:55 pmNew York LaGuardia
$874
JetBlue
May 18
LGA12:00 pmNew York LaGuardia
8h 04m
1 stop
ISP8:04 pmIslip Long Island
May 25
ISP2:35 pmIslip Long Island
7h 20m
1 stop
LGA9:55 pmNew York LaGuardia
$889

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 March 27, 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

Cheapest round-trip

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 5/8

3:29 pm-10:05 am

1 stop18h 36m

Islip Long Island

Mon 5/11

11:00 am-10:15 pm

1 stop11h 15m

$286

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 4/12

8:28 pm-6:49 pm

1 stop22h 21m

Islip Long Island

Thu 4/16

4:07 pm-2:29 pm

1 stop22h 22m

$375

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 4/12

8:28 pm-6:49 pm

1 stop22h 21m

Islip Long Island

Thu 4/16

4:07 pm-10:00 am

2 stops17h 53m

$416

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 9/11

6:30 am-3:23 pm

1 stop8h 53m

Islip Long Island

Sun 9/13

11:35 am-8:02 pm

1 stop8h 27m

$628

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 4/10

6:00 am-3:11 pm

1 stop9h 11m

Islip Long Island

Mon 4/13

5:45 am-7:59 pm

2 stops14h 14m

$765

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Mon 5/18

12:00 pm-8:04 pm

1 stop8h 04m

Islip Long Island

Mon 5/25

2:35 pm-9:55 pm

1 stop7h 20m

$874

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Mon 5/18

12:00 pm-8:04 pm

1 stop8h 04m

Islip Long Island

Mon 5/25

2:35 pm-9:55 pm

1 stop7h 20m

$889
Quickest round-trip

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 6/25

3:55 pm-10:56 pm

1 stop7h 01m

Islip Long Island

Mon 6/29

3:07 pm-9:58 pm

1 stop6h 51m

$992

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 6/18

3:55 pm-10:56 pm

1 stop7h 01m

Islip Long Island

Mon 6/22

12:25 pm-7:45 pm

1 stop7h 20m

$1,209

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 9/11

1:59 pm-7:45 pm

2 stops5h 46m

Islip Long Island

Sun 9/13

11:35 am-9:45 pm

1 stop10h 10m

$1,332

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to New York from

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?

JetBlue 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

8h 53m

Direct flights

None
The fastest flight from New York LaGuardia Airport to Islip, New York takes 8h 53m
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.
Search flight deals

  • 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 8h 53m.

  • 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
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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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