$198+ Cheap flights from Islip, New York

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ISP — PNS
1 Apr — 8 Apr1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights from Islip
Explore the most affordable flight options available from Islip. Find the lowest fares based on data from user searches, with prices last updated on 2 March 2026.

Tue 21/406:30
ISP
-
MIA
1 stop7h 45m
Southwest
Tue 28/407:20
MIA
-
ISP
1 stop6h 30m
Southwest
Deal found 26/2$419
Tue 24/317:25
ISP
-
MIA
1 stop4h 50m
Southwest
Wed 25/306:10
MIA
-
ISP
1 stop5h 30m
Southwest
Deal found 28/2$479
Sun 10/517:25
ISP
-
MIA
1 stop5h 40m
Southwest
Wed 20/516:50
MIA
-
ISP
1 stop5h 20m
Southwest
Deal found 28/2$504
Thu 7/517:10
ISP
-
MIA
1 stop4h 50m
Southwest
Sat 9/506:35
MIA
-
ISP
1 stop5h 00m
Southwest
Deal found 1/3$537
Thu 23/416:30
ISP
-
MIA
1 stop6h 30m
Southwest
Mon 27/406:20
MIA
-
ISP
1 stop5h 45m
Southwest
Deal found 26/2$572
Fri 15/517:10
ISP
-
MIA
1 stop4h 50m
Southwest
Sat 23/508:25
MIA
-
ISP
1 stop7h 35m
Southwest
Deal found 27/2$595
Fri 24/416:30
ISP
-
MIA
1 stop6h 30m
Southwest
Mon 27/406:20
MIA
-
ISP
1 stop5h 45m
Southwest
Deal found 27/2$624
Tue 14/409:00
ISP
-
PNS
2 stops12h 20m
Southwest
Mon 20/413:15
PNS
-
ISP
2 stops9h 15m
Southwest
Deal found 27/2$827
Fri 10/408:35
ISP
-
PNS
2 stops12h 00m
Southwest
Sat 18/416:15
PNS
-
ISP
2 stops6h 05m
Southwest
Deal found 27/2$837
Thu 9/406:00
ISP
-
PNS
2 stops10h 40m
Southwest
Thu 16/413:15
PNS
-
ISP
2 stops9h 15m
Southwest
Deal found 1/3$874
Mon 16/306:00
ISP
-
VPS
2 stops16h 05m
Southwest
Fri 20/314:00
VPS
-
ISP
1 stop8h 55m
Southwest
Deal found 1/3$929
Fri 20/306:00
ISP
-
PNS
2 stops15h 45m
Southwest
Fri 27/312:00
PNS
-
ISP
2 stops10h 55m
Southwest
Deal found 1/3$995

Find flights from Islip within your budget

 
Find flights departing from Islip that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 2 March 2026. In the last 7 days, Cheapflights users made a total of 134,765 searches

Fly to

Route

Departure

Return

Price

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Thu 7/5

12:30-22:00

2 stops9h 30m

Miami

Sat 9/5

06:35-11:35

1 stop5h 00m

$487

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Thu 4/6

17:50-23:15

1 stop5h 25m

Miami

Tue 9/6

06:35-11:50

1 stop5h 15m

$624

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Thu 23/4

16:30-23:00

1 stop6h 30m

Miami

Mon 27/4

06:05-16:30

2 stops10h 25m

$629

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Fri 15/5

12:30-22:00

2 stops9h 30m

Miami

Sat 23/5

08:25-16:00

1 stop7h 35m

$632

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Sat 18/4

16:40-23:15

1 stop6h 35m

Miami

Sat 25/4

06:15-15:45

1 stop9h 30m

$715

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Thu 11/6

05:20-14:10

2 stops8h 50m

Miami

Sun 14/6

05:35-14:55

2 stops9h 20m

$732

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Tue 17/3

12:20-22:15

2 stops9h 55m

Miami

Fri 20/3

06:00-11:40

1 stop5h 40m

$745

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Fri 22/5

12:30-22:00

2 stops9h 30m

Miami

Sun 24/5

07:00-16:05

1 stop9h 05m

$792

IslipPensacola

ISP - PNS

ISPPNS

Islip Long Island

Tue 14/4

09:00-20:20

2 stops12h 20m

Pensacola

Mon 20/4

13:15-23:30

2 stops9h 15m

$827

IslipPensacola

ISP - PNS

ISPPNS

Islip Long Island

Fri 10/4

08:35-19:35

2 stops12h 00m

Pensacola

Sat 18/4

16:15-23:20

2 stops6h 05m

$837

Flights are sorted by cheapest return flights first.

Deals found on 26/2

Showing 1-10 of 31 resultsSorted by cheapest first
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Best time to book a flight from Islip

Have a flexible travel schedule? Discover the best time to fly from Islip with our price prediction graph.
Estimated return 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.

Travel insights for flights from Islip

Get recent, data-driven insights about flights from Islip including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Islip, New York (average of $173). Flying from Islip, New York in January will prove the most costly (average of $420). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Related info for your journey

Access useful and relevant information related to your journey from Islip. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 2 March 2026.

  • What are the most popular destinations to fly to from Islip, New York?

    The most popular destinations from Islip, New York this month are West Palm Beach, Orlando Airport, Fort Lauderdale. The top year-round destinations include Orlando Airport, West Palm Beach, Fort Lauderdale.

  • What is the cheapest month to fly from Islip, New York?

    At the present moment the cheapest month to fly from Islip, New York is currently February; with January being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • How does Cheapflights help users find flights from Islip?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Islip. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from Islip?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Islip for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Islip with no change fees?

    Certainly. Search results for flights from Islip shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from Islip become cheaper?

    Not ready to book yet? You can track prices for flights from Islip on Cheapflights with our Price Alerts feature and get notified when better prices are available.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Islip?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Islip. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Islip?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Islip for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Islip with no change fees?

Certainly. Search results for flights from Islip shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Islip become cheaper?

Not ready to book yet? You can track prices for flights from Islip on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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