£55+ 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 25/1. 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
4 Jan — 11 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 5 December 2025.

Cheapest airline

Spirit Airlines

Good round-trip deal

£164 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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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 5 December 2025.

Wed 14/115:45ISP - BOS
1 stop6h 20mSouthwest
Mon 19/105:50BOS - ISP
1 stop6h 05mSouthwest
Deal found 2/12£162
Tue 27/106:00ISP - BOS
2 stops11h 10mSouthwest
Thu 29/105:50BOS - ISP
1 stop6h 05mSouthwest
Deal found 4/12£166
Wed 25/212:40ISP - ATL
1 stop7h 25mSouthwest
Sat 28/207:00ATL - ISP
2 stops8h 25mSouthwest
Deal found 3/12£193
Mon 5/110:55ISP - BOS
1 stop6h 20mSouthwest
Tue 6/109:35BOS - ISP
1 stop6h 40mSouthwest
Deal found 3/12£207
Thu 8/112:40ISP - ATL
2 stops6h 55mSouthwest
Mon 12/112:00ATL - ISP
2 stops9h 55mSouthwest
Deal found 3/12£222
Wed 4/306:00ISP - MSY
1 stop6h 00mSouthwest
Sun 8/305:50MSY - ISP
1 stop4h 55mSouthwest
Deal found 4/12£227
Thu 8/115:45ISP - MSY
2 stops7h 20mSouthwest
Mon 12/106:45MSY - ISP
2 stops8h 30mSouthwest
Deal found 4/12£232
Wed 25/206:00ISP - ATL
2 stops9h 10mSouthwest
Sun 1/307:15ATL - ISP
2 stops9h 45mSouthwest
Deal found 3/12£235
Tue 30/1205:40ISP - BOS
1 stop5h 20mSouthwest
Tue 6/109:35BOS - ISP
1 stop6h 40mSouthwest
Deal found 2/12£245
Wed 18/312:35ISP - MSY
1 stop5h 48mBreeze Airways
Wed 25/308:00MSY - ISP
1 stop9h 55mBreeze Airways
Deal found 3/12£246
Mon 16/217:35ISP - BOS
1 stop3h 35mSouthwest
Thu 19/205:20BOS - ISP
2 stops11h 05mSouthwest
Deal found 3/12£256
Thu 15/116:05ISP - MSY
1 stop5h 40mSouthwest
Mon 19/105:35MSY - ISP
1 stop5h 20mSouthwest
Deal found 2/12£265

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 5 December 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 14/1

15:45-22:05

1 stop6h 20m

Boston Logan Intl

Mon 19/1

05:50-11:55

1 stop6h 05m

£162

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Tue 27/1

06:00-17:10

2 stops11h 10m

Boston Logan Intl

Thu 29/1

05:50-11:55

1 stop6h 05m

£166

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Wed 25/2

12:40-20:05

1 stop7h 25m

Atlanta Hartsfield-Jackson

Sat 28/2

07:00-15:25

2 stops8h 25m

£193

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Mon 5/1

05:50-09:45

1 stop3h 55m

Boston Logan Intl

Tue 6/1

05:30-16:15

2 stops10h 45m

£211

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Thu 8/1

12:40-19:35

2 stops6h 55m

Atlanta Hartsfield-Jackson

Mon 12/1

12:00-21:55

2 stops9h 55m

£222

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Wed 4/3

06:00-11:00

1 stop6h 00m

New Orleans Louis Armstrong

Sun 8/3

05:50-11:45

1 stop4h 55m

£227

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Thu 8/1

15:45-22:05

2 stops7h 20m

New Orleans Louis Armstrong

Mon 12/1

06:45-16:15

2 stops8h 30m

£232

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Wed 25/2

06:00-15:10

2 stops9h 10m

Atlanta Hartsfield-Jackson

Sun 1/3

07:15-17:00

2 stops9h 45m

£235

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Tue 30/12

05:40-11:00

1 stop5h 20m

Boston Logan Intl

Tue 6/1

09:35-16:15

1 stop6h 40m

£245

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Mon 16/2

17:35-21:10

1 stop3h 35m

Boston Logan Intl

Thu 19/2

05:50-11:55

1 stop6h 05m

£245

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 41 results
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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

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 (16 flights per day) and Baltimore (15 flights per day).

Fort Lauderdale
Fort Lauderdale
From £164

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 £164. Explore other affordable destinations below.

Fort Lauderdale
Fort Lauderdale
From £164

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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 5 December 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 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 £164 to Fort Lauderdale (prices may vary depending on the airline and departure time). On average, users have booked flights for £234 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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