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£49+ 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 31/12. 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
14 Dec — 21 Dec1
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 14 November 2025.

Cheapest airline

Spirit Airlines
On average, Spirit Airlines currently has the cheapest one-way flight from Islip Long Island (avg. price of £145).
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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 14 November 2025.

Wed 4/315:45ISP - BOS
1 stop6h 20mSouthwest
Sun 8/305:15BOS - ISP
1 stop6h 30mSouthwest
Deal found 11/11£248
Thu 15/111:50ISP - MSY
1 stop6h 00mSouthwest
Mon 19/105:35MSY - ISP
1 stop5h 20mSouthwest
Deal found 13/11£273
Tue 20/112:40ISP - ATL
2 stops8h 20mSouthwest
Fri 23/112:00ATL - ISP
2 stops9h 55mSouthwest
Deal found 12/11£276
Mon 8/1205:40ISP - BOS
1 stop4h 00mSouthwest
Mon 8/1217:35BOS - ISP
1 stop4h 30mSouthwest
Deal found 13/11£279
Thu 4/1205:30ISP - ATL
2 stops8h 50mSouthwest
Sat 6/1213:30ATL - ISP
2 stops8h 15mSouthwest
Deal found 13/11£292
Fri 24/412:30ISP - BOS
1 stop3h 35mSouthwest
Sun 26/406:40BOS - ISP
1 stop5h 10mSouthwest
Deal found 11/11£309
Fri 16/111:50ISP - ATL
2 stops9h 30mSouthwest
Mon 19/106:10ATL - ISP
2 stops10h 25mSouthwest
Deal found 13/11£309
Sat 20/1214:19ISP - MSY
1 stop4h 52mBreeze Airways
Tue 23/1208:30MSY - ISP
1 stop4h 09mBreeze Airways
Deal found 13/11£310
Fri 19/1212:40ISP - BOS
2 stops10h 25mSouthwest
Sun 21/1205:35BOS - ISP
2 stops11h 30mSouthwest
Deal found 12/11£315
Tue 23/1214:45ISP - ATL
2 stops7h 20mSouthwest
Wed 31/1206:15ATL - ISP
2 stops9h 05mSouthwest
Deal found 12/11£324
Wed 3/1205:40ISP - BOS
1 stop4h 00mSouthwest
Wed 3/1217:35BOS - ISP
1 stop4h 30mSouthwest
Deal found 13/11£326
Wed 26/1114:40ISP - ATL
2 stops7h 35mSouthwest
Wed 3/1212:10ATL - ISP
2 stops9h 55mSouthwest
Deal found 11/11£326

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 14 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

Wed 11/3

05:45-10:50

1 stop5h 05m

Boston Logan Intl

Wed 11/3

19:10-22:50

1 stop3h 40m

£248

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Wed 4/3

15:45-22:05

1 stop6h 20m

Boston Logan Intl

Sun 8/3

05:15-11:45

1 stop6h 30m

£248

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Thu 15/1

11:50-16:50

1 stop6h 00m

New Orleans Louis Armstrong

Mon 19/1

05:35-11:55

1 stop5h 20m

£273

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Tue 20/1

12:40-21:00

2 stops8h 20m

Atlanta Hartsfield-Jackson

Fri 23/1

12:00-21:55

2 stops9h 55m

£276

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Mon 8/12

05:40-09:40

1 stop4h 00m

Boston Logan Intl

Mon 8/12

17:35-22:05

1 stop4h 30m

£279

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Thu 4/12

05:30-14:20

2 stops8h 50m

Atlanta Hartsfield-Jackson

Sat 6/12

13:30-21:45

2 stops8h 15m

£292

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Fri 24/4

12:30-16:05

1 stop3h 35m

Boston Logan Intl

Sun 26/4

06:40-11:50

1 stop5h 10m

£309

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Fri 16/1

11:50-21:20

2 stops9h 30m

Atlanta Hartsfield-Jackson

Mon 19/1

06:10-16:35

2 stops10h 25m

£309

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Sat 20/12

14:19-18:11

1 stop4h 52m

New Orleans Louis Armstrong

Tue 23/12

08:30-13:39

1 stop4h 09m

£310

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Tue 23/12

14:45-22:05

2 stops7h 20m

Atlanta Hartsfield-Jackson

Wed 31/12

06:15-15:20

2 stops9h 05m

£324

Flights are sorted by cheapest return flights first.

Deals found on 13/11

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Best time to book a flight from Islip

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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

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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 14 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.

  • 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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