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£66+ 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 22/1. 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
27 Dec — 3 Jan1
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 27 November 2025.

Cheapest airline

Spirit Airlines

Good round-trip deal

£166 or less
On average, Spirit Airlines currently has the cheapest one-way flight from Islip Long Island (avg. price of £144).
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Price to beat on a round-trip flight from Islip Long Island.
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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 27 November 2025.

Fri 16/116:05ISP - BOS
1 stop6h 50mSouthwest
Mon 19/112:00BOS - ISP
1 stop4h 35mSouthwest
Deal found 25/11£248
Mon 19/105:55ISP - ATL
1 stop4h 50mSouthwest
Mon 19/116:40ATL - ISP
1 stop5h 40mSouthwest
Deal found 26/11£276
Thu 5/211:50ISP - ATL
1 stop6h 05mSouthwest
Sun 8/212:00ATL - ISP
2 stops9h 55mSouthwest
Deal found 25/11£280
Wed 24/1215:55ISP - BOS
1 stop5h 10mSouthwest
Wed 31/1207:45BOS - ISP
1 stop4h 30mSouthwest
Deal found 26/11£286
Sun 8/206:00ISP - BOS
1 stop6h 25mSouthwest
Wed 11/217:50BOS - ISP
1 stop4h 05mSouthwest
Deal found 25/11£293
Fri 6/211:50ISP - ATL
2 stops9h 55mSouthwest
Fri 13/206:55ATL - ISP
2 stops10h 05mSouthwest
Deal found 25/11£301
Fri 20/213:10ISP - BOS
1 stop5h 15mSouthwest
Sun 22/209:00BOS - ISP
1 stop8h 00mSouthwest
Deal found 25/11£320
Thu 11/1212:55ISP - ATL
2 stops9h 25mSouthwest
Mon 15/1212:10ATL - ISP
2 stops9h 55mSouthwest
Deal found 24/11£339
Tue 9/1212:55ISP - ATL
2 stops6h 25mSouthwest
Fri 12/1215:35ATL - ISP
2 stops8h 15mSouthwest
Deal found 25/11£361
Sat 27/1205:30ISP - ATL
2 stops7h 20mSouthwest
Mon 29/1210:00ATL - ISP
2 stops7h 15mSouthwest
Deal found 26/11£381
Sun 7/1209:59ISP - BOS
Nonstop1h 25mCape Air
Sun 7/1214:39BOS - ISP
Nonstop1h 36mCape Air
Deal found 26/11£389
Thu 22/107:25ISP - BOS
Nonstop1h 34mCape Air
Mon 26/118:19BOS - ISP
Nonstop1h 26mCape Air
Deal found 26/11£394

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 27 November 2025. 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

Fri 16/1

16:05-22:55

1 stop6h 50m

Boston Logan Intl

Mon 19/1

12:00-16:35

1 stop4h 35m

£248

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Mon 19/1

05:55-10:45

1 stop4h 50m

Atlanta Hartsfield-Jackson

Mon 19/1

16:40-22:20

1 stop5h 40m

£276

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Thu 5/2

11:50-17:55

1 stop6h 05m

Atlanta Hartsfield-Jackson

Sun 8/2

12:00-21:55

2 stops9h 55m

£280

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Wed 24/12

15:55-21:05

1 stop5h 10m

Boston Logan Intl

Wed 31/12

07:45-12:15

1 stop4h 30m

£286

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Sun 8/2

06:00-12:25

1 stop6h 25m

Boston Logan Intl

Wed 11/2

17:50-21:55

1 stop4h 05m

£293

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Fri 6/2

11:50-21:45

2 stops9h 55m

Atlanta Hartsfield-Jackson

Fri 13/2

06:55-17:00

2 stops10h 05m

£301

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Fri 20/2

13:10-18:25

1 stop5h 15m

Boston Logan Intl

Sun 22/2

09:00-17:00

1 stop8h 00m

£320

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Thu 11/12

12:55-22:20

2 stops9h 25m

Atlanta Hartsfield-Jackson

Mon 15/12

12:10-22:05

2 stops9h 55m

£339

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Sat 27/12

05:30-12:50

2 stops7h 20m

Atlanta Hartsfield-Jackson

Mon 29/12

10:00-17:15

2 stops7h 15m

£381

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Sun 7/12

09:59-11:24

Nonstop1h 25m

Boston Logan Intl

Sun 7/12

14:39-16:15

Nonstop1h 36m

£389

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 36 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 (38 flights per day), Boston (21 flights per day) and Baltimore (15 flights per day).

Fort Lauderdale
Fort Lauderdale
From £166

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 £166. Explore other affordable destinations below.

Fort Lauderdale
Fort Lauderdale
From £166

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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 27 November 2025.

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

    This month, the top selected destinations from Islip, New York are Orlando Airport, West Palm Beach, Orlando. 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 £166 to Fort Lauderdale (prices may vary depending on the airline and departure time). On average, users have booked flights for £236 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.

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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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