₹ 4,344+ Cheap flights from Islip, New York

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. 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 — UVF
16 Dec — 23 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 16 November 2025.

Cheapest airline

Frontier
On average, Frontier currently has the cheapest one-way flight from Islip Long Island (avg. price of ₹ 8,730).
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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 16 November 2025.

Fri 30/120:45ISP - CHS
Nonstop2h 12mBreeze Airways
Mon 2/218:11CHS - ISP
Nonstop1h 54mBreeze Airways
Deal found 14/11₹ 8,689
Fri 27/220:45ISP - CHS
Nonstop2h 12mBreeze Airways
Mon 2/318:11CHS - ISP
Nonstop1h 54mBreeze Airways
Deal found 14/11₹ 10,462
Thu 29/119:26ISP - CHS
1 stop3h 29mBreeze Airways
Sun 1/215:31CHS - ISP
1 stop3h 15mBreeze Airways
Deal found 15/11₹ 14,008
Thu 15/119:26ISP - CHS
1 stop3h 29mBreeze Airways
Mon 19/118:11CHS - ISP
Nonstop1h 54mBreeze Airways
Deal found 14/11₹ 15,072
Mon 23/220:45ISP - CHS
Nonstop2h 12mBreeze Airways
Fri 27/218:11CHS - ISP
Nonstop1h 54mBreeze Airways
Deal found 13/11₹ 22,963
Thu 23/419:26ISP - CHS
1 stop3h 29mBreeze Airways
Sun 26/415:31CHS - ISP
1 stop3h 15mBreeze Airways
Deal found 14/11₹ 26,420
Thu 19/319:26ISP - CHS
1 stop3h 29mBreeze Airways
Sun 22/315:31CHS - ISP
1 stop3h 15mBreeze Airways
Deal found 14/11₹ 28,016
Sun 1/317:35ISP - CHS
1 stop4h 05mSouthwest
Wed 1/418:30CHS - ISP
1 stop4h 20mSouthwest
Deal found 15/11₹ 32,538
Sun 1/216:05ISP - CHS
1 stop4h 45mSouthwest
Wed 1/406:15CHS - ISP
2 stops9h 50mSouthwest
Deal found 15/11₹ 32,981
Sat 20/1219:50ISP - STI
1 stop13h 25mJetBlue
Mon 29/1211:25STI - ISP
1 stop8h 20mJetBlue
Deal found 15/11₹ 68,533

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 16 November 2025. In the last 7 days, Cheapflights users made a total of 454,620 searches

Fly to

Castries

Route

Depart

Return

Price

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Fri 30/1

20:45-22:57

Nonstop2h 12m

Charleston

Mon 2/2

18:11-20:05

Nonstop1h 54m

₹ 8,689

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Fri 27/2

20:45-22:57

Nonstop2h 12m

Charleston

Mon 2/3

18:11-20:05

Nonstop1h 54m

₹ 10,462

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Thu 29/1

19:26-22:55

1 stop3h 29m

Charleston

Sun 1/2

15:31-18:46

1 stop3h 15m

₹ 14,008

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Thu 15/1

19:26-22:55

1 stop3h 29m

Charleston

Mon 19/1

18:11-20:05

Nonstop1h 54m

₹ 15,072

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Mon 23/2

20:45-22:57

Nonstop2h 12m

Charleston

Fri 27/2

18:11-20:05

Nonstop1h 54m

₹ 22,963

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Thu 23/4

19:26-22:55

1 stop3h 29m

Charleston

Sun 26/4

15:31-18:46

1 stop3h 15m

₹ 26,420

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Sun 1/3

17:35-21:40

1 stop4h 05m

Charleston

Wed 1/4

18:30-22:50

1 stop4h 20m

₹ 32,538

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Thu 19/3

11:55-21:59

2 stops10h 04m

Charleston

Sun 22/3

15:31-18:46

1 stop3h 15m

₹ 33,247

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Fri 27/2

11:55-23:05

2 stops11h 10m

Charleston

Mon 2/3

07:00-16:25

2 stops9h 25m

₹ 33,424

IslipSantiago de los Caballeros

ISP - STI

ISPSTI

Islip Long Island

Sat 20/12

19:50-10:15

1 stop13h 25m

Santiago de los Caballeros

Mon 29/12

11:25-18:45

1 stop8h 20m

₹ 68,533

Flights are sorted by cheapest return flights first.

Deals found on 14/11

Showing 1-10 of 24 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 is the cheapest month to book a flight from Islip, New York?

Currently, September is the cheapest month in which you can book a flight from Islip, New York (average of ₹ 13,387). Flying from Islip, New York in August will prove the most costly (average of ₹ 35,286). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Direct flights from New York

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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 16 November 2025.

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

    For the current month, the most popular flights from Islip, New York are Orlando Airport, West Palm Beach, Fort Lauderdale. Orlando Airport, West Palm Beach, Fort Lauderdale are the most popular locations from Islip, New York year round.

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

    September is currently the cheapest month to fly from Islip, New York. At this moment in time August is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • Where are the cheapest places to fly to from Islip, New York?

    Here are some of the cheapest flight destinations from Islip, New York:
    Fly from Islip to Castries from ₹ 115,611 round trip

  • How does Cheapflights help users find flights from Islip?

    When you search for this flight from Islip, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

    Cheapflights helps you find that perfect flight from Islip by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from Islip with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Islip flexibly with Cheapflights today.

  • Can Cheapflights notify me if prices for flights from Islip become cheaper?

    Yes, Cheapflights offers price alerts on flights from Islip so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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How does Cheapflights help users find flights from Islip?

When you search for this flight from Islip, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

Cheapflights helps you find that perfect flight from Islip by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Islip with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Islip flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Islip become cheaper?

Yes, Cheapflights offers price alerts on flights from Islip so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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