£95+ Cheap flights from Islip, New York

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. 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 — AXA
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Islip

Discover essential information about flights departing from Islip, including flight schedules, destinations, airlines operating at the Islip airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 13 February 2026.

Cheapest airline

Spirit Airlines

Good round-trip deal

£161 or less
On average, Spirit Airlines currently has the cheapest one-way flight from Islip Long Island (avg. price of £85).
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Price to beat on a round-trip flight from Islip Long Island.
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Find flights from Islip

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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 13 February 2026.

Tue 28/412:30
ISP
-
BOS
1 stop4h 45m
Southwest
Fri 1/516:45
BOS
-
ISP
1 stop6h 45m
Southwest
Deal found 10/2£240
Sat 14/317:50
ISP
-
ATL
1 stop5h 25m
Southwest
Wed 18/316:30
ATL
-
ISP
1 stop6h 20m
Southwest
Deal found 13/2£242
Thu 14/516:30
ISP
-
BOS
1 stop5h 20m
Southwest
Sat 16/512:50
BOS
-
ISP
2 stops8h 35m
Southwest
Deal found 12/2£244
Fri 7/810:20
ISP
-
BOS
1 stop5h 25m
Southwest
Mon 10/809:40
BOS
-
ISP
1 stop6h 45m
Southwest
Deal found 10/2£247
Tue 14/412:30
ISP
-
ATL
2 stops8h 30m
Southwest
Thu 16/407:55
ATL
-
ISP
2 stops8h 35m
Southwest
Deal found 11/2£249
Thu 26/317:55
ISP
-
BOS
1 stop6h 10m
Southwest
Sat 28/316:45
BOS
-
ISP
1 stop6h 50m
Southwest
Deal found 12/2£255
Sat 25/409:20
ISP
-
ATL
2 stops9h 55m
Southwest
Mon 11/514:10
ATL
-
ISP
2 stops9h 20m
Southwest
Deal found 11/2£258
Tue 17/312:20
ISP
-
ATL
1 stop6h 10m
Southwest
Mon 23/319:30
ATL
-
ISP
1 stop4h 25m
Southwest
Deal found 10/2£259
Tue 10/312:20
ISP
-
BOS
1 stop6h 15m
Southwest
Tue 17/319:10
BOS
-
ISP
1 stop3h 40m
Southwest
Deal found 10/2£262
Wed 8/412:30
ISP
-
ATL
2 stops8h 30m
Southwest
Fri 10/416:30
ATL
-
ISP
1 stop3h 55m
Southwest
Deal found 11/2£263
Fri 5/612:30
ISP
-
BOS
1 stop4h 40m
Southwest
Wed 10/605:35
BOS
-
ISP
2 stops8h 10m
Southwest
Deal found 13/2£266
Sun 26/411:50
ISP
-
ATL
2 stops9h 10m
Southwest
Tue 28/413:30
ATL
-
ISP
2 stops8h 40m
Southwest
Deal found 12/2£266

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 13 February 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

The Valley

Route

Depart

Return

Price

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Sun 24/5

16:45-23:10

1 stop6h 25m

Boston Logan Intl

Sun 31/5

05:30-11:50

1 stop6h 20m

£240

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Thu 14/5

16:30-21:50

1 stop5h 20m

Boston Logan Intl

Sat 16/5

19:25-23:20

1 stop3h 55m

£240

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Sat 23/5

16:40-21:05

1 stop4h 25m

Boston Logan Intl

Mon 1/6

14:30-20:25

1 stop5h 55m

£240

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Tue 28/4

12:30-17:15

1 stop4h 45m

Boston Logan Intl

Fri 1/5

16:45-23:30

1 stop6h 45m

£240

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Sat 14/3

17:50-23:15

1 stop5h 25m

Atlanta Hartsfield-Jackson

Wed 18/3

16:30-22:50

1 stop6h 20m

£242

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Sun 17/5

06:05-09:55

1 stop3h 50m

Boston Logan Intl

Thu 21/5

08:45-16:30

1 stop7h 45m

£244

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Fri 7/8

10:20-15:45

1 stop5h 25m

Boston Logan Intl

Mon 10/8

09:40-16:25

1 stop6h 45m

£247

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Mon 18/5

06:00-13:30

2 stops7h 30m

Atlanta Hartsfield-Jackson

Wed 20/5

13:30-22:10

2 stops8h 40m

£249

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Tue 14/4

12:30-21:00

2 stops8h 30m

Atlanta Hartsfield-Jackson

Thu 16/4

07:55-16:30

2 stops8h 35m

£249

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Thu 26/3

17:55-00:05

1 stop6h 10m

Boston Logan Intl

Sat 28/3

16:45-23:35

1 stop6h 50m

£255

Flights are sorted by cheapest return flights first.

Deals found on 11/2

Showing 1-10 of 52 results
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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 are popular destinations to fly to from Islip, New York?

If you’re flying from Islip, New York, these routes are more frequently taken by airlines Orlando (32 flights per day), West Palm Beach (23 flights per day) and Baltimore (11 flights per day).

Fort Lauderdale
Fort Lauderdale
From £161

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

The cheapest city to fly to from Islip, New York is Fort Lauderdale, with prices starting at £161. Explore other affordable destinations below.

Fort Lauderdale
Fort Lauderdale
From £161

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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 13 February 2026.

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

    This month, the top selected destinations from Islip, New York are West Palm Beach, Orlando Airport, Fort Lauderdale. Throughout the year, Orlando Airport, West Palm Beach, Fort Lauderdale are some of the top choices made by users flying from Islip, New York.

  • What is the cheapest flight from Islip, New York to anywhere?

    Users have flown out of Islip, New York for as low as £161 to Fort Lauderdale (prices may vary depending on the airline and departure time). On average, users have booked flights for £229 to fly from Islip, New York.

  • How does Cheapflights help users find flights from Islip?

    Cheapflights makes it easy to find flights from Islip by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

  • 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?

    Need flexible booking options for your flight from Islip ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

  • 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

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How does Cheapflights help users find flights from Islip?

Cheapflights makes it easy to find flights from Islip by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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?

Need flexible booking options for your flight from Islip ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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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