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$178+ Cheap flights from Islip, NY (ISP) to New York State

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — JFK
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Islip to New York

Cheapest flights from Islip to New York
Explore the most affordable flight options available from Islip to New York. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Sat 2/711:50 am
ISP
-
LGA
2 stops11h 31m
Multiple Airlines
Tue 2/106:30 am
LGA
-
ISP
1 stop30h 43m
Multiple Airlines
Deal found 1/26$178
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Sat 2/711:50 am
ISP
-
JFK
2 stops22h 38m
Multiple Airlines
Tue 2/104:29 pm
JFK
-
ISP
1 stop20h 44m
Multiple Airlines
Deal found 1/26$257
This Southwest deal was found by Cheapflights users on 1/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:10 pm
ISP
-
BUF
1 stop6h 05m
Southwest
Sun 5/172:55 pm
BUF
-
ISP
2 stops8h 50m
Southwest
Deal found 1/26$269
This Southwest deal was found by Cheapflights users on 1/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:35 am
ISP
-
BUF
1 stop3h 25m
Southwest
Mon 4/2712:40 pm
BUF
-
ISP
1 stop3h 50m
Southwest
Deal found 1/25$272
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 2/228:21 pm
ISP
-
JFK
2 stops39h 37m
Multiple Airlines
Sun 3/14:29 pm
JFK
-
ISP
1 stop15h 09m
Multiple Airlines
Deal found 1/25$274
This Southwest deal was found by Cheapflights users on 1/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
ISP
-
BUF
2 stops8h 15m
Southwest
Sun 4/265:50 pm
BUF
-
ISP
1 stop6h 00m
Southwest
Deal found 1/24$277
This Southwest deal was found by Cheapflights users on 1/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:55 pm
ISP
-
ROC
1 stop6h 00m
Southwest
Sun 3/155:50 pm
ROC
-
ISP
1 stop6h 00m
Southwest
Deal found 1/25$302
This Expedia deal was found by Cheapflights users on 1/24. 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 2/711:10 am
ISP
-
LGA
1 stop10h 27m
JetBlue
Tue 2/109:35 pm
LGA
-
ISP
1 stop11h 17m
JetBlue
Deal found 1/24$303
This Southwest deal was found by Cheapflights users on 1/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:45 am
ISP
-
BUF
1 stop10h 15m
Southwest
Sat 3/212:00 pm
BUF
-
ISP
2 stops9h 35m
Southwest
Deal found 1/25$303
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Mon 2/98:45 pm
ISP
-
LGA
2 stops26h 36m
Multiple Airlines
Fri 2/134:59 pm
LGA
-
ISP
1 stop18h 11m
Multiple Airlines
Deal found 1/25$314
This Southwest deal was found by Cheapflights users on 1/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/265:55 pm
ISP
-
BUF
1 stop6h 15m
Southwest
Sun 3/296:15 pm
BUF
-
ISP
1 stop5h 35m
Southwest
Deal found 1/25$349
This JetBlue deal was found by Cheapflights users on 1/24. 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.
Wed 3/118:00 am
ISP
-
JFK
1 stop6h 42m
JetBlue
Wed 3/186:30 am
JFK
-
ISP
1 stop6h 19m
JetBlue
Deal found 1/24$358

Find flight deals from Islip to New York

Keep the following information in mind while searching for Islip to New York flight deals. Data was last updated January 26, 2026.

Round-trip from

$178
(Kiwi.com)
From Islip Long Island to New York
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to 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, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from Islip to New York State that are best for you.

Fly from

Islip

Fly to

New York

Route

Depart

Return

Price

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Sat 2/7

11:50 am-11:21 pm

2 stops11h 31m

New York LaGuardia

Tue 2/10

6:30 am-1:13 pm

1 stop30h 43m

$178

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 2/7

11:50 am-10:28 am

2 stops22h 38m

New York John F Kennedy Intl

Tue 2/10

4:29 pm-1:13 pm

1 stop20h 44m

$257

IslipBuffalo

ISP - BUF

ISPBUF

Islip Long Island

Wed 3/18

5:45 am-4:00 pm

1 stop10h 15m

Buffalo

Sat 3/21

5:50 pm-11:35 pm

1 stop5h 45m

$269

IslipBuffalo

ISP - BUF

ISPBUF

Islip Long Island

Sat 4/25

4:40 pm-8:40 pm

1 stop4h 00m

Buffalo

Sun 4/26

5:05 am-11:10 am

1 stop6h 05m

$272

IslipBuffalo

ISP - BUF

ISPBUF

Islip Long Island

Fri 4/24

8:35 am-12:00 pm

1 stop3h 25m

Buffalo

Mon 4/27

12:40 pm-4:30 pm

1 stop3h 50m

$272

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sun 2/22

8:21 pm-11:58 am

2 stops39h 37m

New York John F Kennedy Intl

Sun 3/1

4:29 pm-7:38 am

1 stop15h 09m

$274

IslipRochester

ISP - ROC

ISPROC

Islip Long Island

Thu 3/12

5:55 pm-11:55 pm

1 stop6h 00m

Greater Rochester Intl

Sun 3/15

5:50 pm-11:50 pm

1 stop6h 00m

$302

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Sat 2/7

11:10 am-9:37 pm

1 stop10h 27m

New York LaGuardia

Tue 2/10

9:35 pm-8:52 am

1 stop11h 17m

$303

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Mon 2/9

8:45 pm-11:21 pm

2 stops26h 36m

New York LaGuardia

Fri 2/13

4:59 pm-11:10 am

1 stop18h 11m

$314

IslipBuffalo

ISP - BUF

ISPBUF

Islip Long Island

Thu 3/26

5:55 pm-12:10 am

1 stop6h 15m

Buffalo

Sun 3/29

6:15 pm-11:50 pm

1 stop5h 35m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 33 results
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Best time to book a flight from Islip to New York

Have a flexible travel schedule? Discover the best time to fly to New York from Islip 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.

Cheapflights Insights

Everything you need to know about your flight from Islip to New York State

What is the cheapest month to book a flight from Islip, New York to State of New York?

Currently, January is the cheapest month in which you can book a flight from Islip, New York to State of New York (average of $62). Flying from Islip, New York to State of New York in June is currently the most expensive (average of $103). 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.

Reviews of airlines servicing New York

Get insights into the airlines that provide service to New York. 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 New York. Reviews last updated January 26, 2026.
Read through reviews of airlines operating flights from Islip to New York State, such as Southwest. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,268 reviews

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Islip to New York. 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 from for flights from Islip to New York?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly out of when you book flights from Islip to New York.

  • How long is the flight from Islip, New York to State of New York?

    There are many flights that can get you from Islip, New York to State of New York in 10h 15m. Fly via Southwest, JetBlue, or Frontier to get the fastest option. The distance from Islip, New York to State of New York is about 325 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Islip, New York to State of New York?

    When deciding which route to take from Islip, New York to State of New York consider Islip Long Island - Albany Intl, Islip Long Island - Buffalo or Islip Long Island - Syracuse Hancock Intl as they are the most popular.

  • Can I find deals for flights from Islip to New York that include hotel bookings?

    Yes. In addition to deals on Islip to New York flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to New York?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to New York.

  • Can I find deals for business class flights from Islip to New York?

    Yes. Cheapflights offers flight deals from Islip to New York 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 Islip, New York to State of New York?

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to State of New York (average of $62). Flying from Islip, New York to State of New York in June is currently the most expensive (average of $103). 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

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Alternative routes for Islip to New York

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Islip to New York

Discover the top airline that operate flights from Islip to New York. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$183Average$424FlexibilityNo cancel feeOn-time63%

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