£87+ Cheap flights from Islip

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/12. 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
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Cheapest airline

Delta
On average, Delta currently has the cheapest one-way flight from Islip Long Island (avg. price of £141).
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Find flights from Islip

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 17 September 2025.

Fri 23/114:01ISP - MSY
1 stop4h 51mBreeze Airways
Mon 26/108:05MSY - ISP
1 stop4h 16mBreeze Airways
Deal found 14/9£109
Sat 15/1115:40ISP - BOS
1 stop3h 55mSouthwest
Mon 17/1117:35BOS - ISP
1 stop4h 30mSouthwest
Deal found 16/9£240
Sat 24/115:35ISP - MSY
1 stop5h 50mSouthwest
Mon 26/106:25MSY - ISP
1 stop4h 30mSouthwest
Deal found 14/9£240
Thu 8/115:45ISP - BOS
1 stop6h 20mSouthwest
Sun 11/105:20BOS - ISP
2 stops11h 05mSouthwest
Deal found 15/9£243
Fri 23/106:00ISP - MSY
2 stops8h 40mSouthwest
Mon 26/106:35MSY - ISP
2 stops8h 40mSouthwest
Deal found 14/9£262
Fri 21/1115:25ISP - MSY
1 stop7h 10mSouthwest
Mon 24/1118:10MSY - ISP
1 stop4h 40mSouthwest
Deal found 16/9£276
Fri 23/106:00ISP - MSY
2 stops9h 15mSouthwest
Sun 25/106:15MSY - ISP
2 stops9h 10mSouthwest
Deal found 14/9£284
Fri 24/1017:35ISP - BOS
1 stop6h 20mSouthwest
Sun 26/1005:35BOS - ISP
1 stop6h 35mSouthwest
Deal found 15/9£315
Thu 16/1017:35ISP - PDX
2 stops9h 20mSouthwest
Thu 23/1019:35PDX - ISP
2 stops13h 15mSouthwest
Deal found 16/9£315
Fri 16/111:50ISP - BOS
2 stops10h 00mSouthwest
Mon 19/112:00BOS - ISP
1 stop4h 25mSouthwest
Deal found 15/9£318
Fri 3/1014:25ISP - MSY
1 stop4h 45mBreeze Airways
Sun 5/1008:30MSY - ISP
1 stop4h 09mBreeze Airways
Deal found 16/9£320
Thu 2/1005:30ISP - MSY
1 stop5h 40mSouthwest
Sat 4/1016:05MSY - ISP
1 stop4h 30mSouthwest
Deal found 16/9£342

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 17 September 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

The Valley

Route

Depart

Return

Price

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 23/1

14:01-17:52

1 stop4h 51m

New Orleans Louis Armstrong

Mon 26/1

08:05-13:21

1 stop4h 16m

£109

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Fri 16/1

11:50-16:05

1 stop4h 15m

Boston Logan Intl

Mon 19/1

12:00-16:25

1 stop4h 25m

£240

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Sat 15/11

15:40-19:35

1 stop3h 55m

Boston Logan Intl

Mon 17/11

17:35-22:05

1 stop4h 30m

£240

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Thu 8/1

15:45-22:05

1 stop6h 20m

Boston Logan Intl

Sun 11/1

18:40-22:20

1 stop3h 40m

£240

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Sat 24/1

15:35-20:25

1 stop5h 50m

New Orleans Louis Armstrong

Mon 26/1

06:25-11:55

1 stop4h 30m

£240

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 23/1

06:00-13:40

2 stops8h 40m

New Orleans Louis Armstrong

Mon 26/1

06:35-16:15

2 stops8h 40m

£262

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 21/11

15:25-21:35

1 stop7h 10m

New Orleans Louis Armstrong

Mon 24/11

18:10-23:50

1 stop4h 40m

£276

IslipNew Orleans

ISP - MSY

ISPMSY

Islip Long Island

Fri 23/1

06:00-14:15

2 stops9h 15m

New Orleans Louis Armstrong

Sun 25/1

06:15-16:25

2 stops9h 10m

£284

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Fri 24/10

17:35-23:55

1 stop6h 20m

Boston Logan Intl

Sun 26/10

05:35-12:10

1 stop6h 35m

£315

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Thu 16/10

17:35-23:55

2 stops9h 20m

Portland

Thu 23/10

19:35-11:50

2 stops13h 15m

£315

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 37 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

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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 17 September 2025.

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

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

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

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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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