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Islip

$71+ Cheap flights from Indiana to Islip, NY (ISP)

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ISP
Jan 6 — Jan 131
Tue 1/6
Tue 1/13
1 adult, Economy
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Cheap flight deals from Indiana to Islip

Cheapest flights from Indiana to Islip
Explore the most affordable flight options available from Indiana to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 7, 2025.

This CheapOair deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/152:26 pmORD - ISP
1 stop28h 08mFrontier
Wed 12/176:00 amISP - ORD
1 stop29h 18mFrontier
Deal found 12/6$184
This CheapOair deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:55 pmCVG - ISP
1 stop22h 39mFrontier
Wed 12/176:00 amISP - CVG
1 stop28h 52mFrontier
Deal found 12/7$184
This CheapOair deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:36 pmORD - ISP
1 stop17h 37mFrontier
Wed 12/176:00 amISP - ORD
1 stop29h 18mFrontier
Deal found 12/6$188
This CheapOair deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 amCVG - ISP
1 stop17h 59mFrontier
Mon 12/298:35 pmISP - CVG
1 stop21h 09mFrontier
Deal found 12/7$214
This CheapOair deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:00 amCVG - ISP
1 stop17h 59mFrontier
Mon 12/226:25 amISP - CVG
1 stop16h 24mFrontier
Deal found 12/6$218
This CheapOair deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:57 amCVG - ISP
1 stop7h 37mFrontier
Mon 12/1510:19 amISP - CVG
1 stop9h 26mFrontier
Deal found 12/6$235
This CheapOair deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:57 amCVG - ISP
1 stop10h 47mFrontier
Thu 12/1812:20 pmISP - CVG
1 stop22h 32mFrontier
Deal found 12/7$239
This CheapOair deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/122:26 pmORD - ISP
1 stop17h 47mFrontier
Sun 12/1411:15 amISP - ORD
1 stop27h 01mFrontier
Deal found 12/5$243
This CheapOair deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:05 pmIND - ISP
1 stop26h 35mFrontier
Thu 1/157:58 pmISP - IND
1 stop21h 48mFrontier
Deal found 12/5$243
This CheapOair deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:18 pmORD - ISP
1 stop29h 41mFrontier
Mon 12/226:25 amISP - ORD
1 stop7h 09mFrontier
Deal found 12/6$263
This CheapOair deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/82:26 pmORD - ISP
1 stop28h 08mFrontier
Thu 12/111:15 pmISP - ORD
1 stop9h 36mFrontier
Deal found 12/5$265
This CheapOair deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:05 amCVG - ISP
1 stop6h 20mFrontier
Tue 12/306:25 amISP - CVG
1 stop27h 53mFrontier
Deal found 12/6$268

Find flight deals from Indiana to Islip

Keep the following information in mind while searching for Indiana to Islip flight deals. Data was last updated December 7, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$164
(CheapOair)

One-way from

$71
(CheapOair)

Popular in

November

Cheapest in

January

Average price

$289
Provider with most accurate pricing for Indianapolis-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Indianapolis-New York (NYC) flights.
Search Deals
From Indiana to Islip Long Island
Search Deals
One-way flight from Indiana to Islip Long Island
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Indiana to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 7, 2025.
Use the filters below to find and compare flights from Indiana to Islip that are best for you.

Fly from

Indiana

Fly to

Islip

Route

Depart

Return

Price

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Thu 1/15

6:54 pm-7:50 pm

1 stop24h 56m

Islip Long Island

Mon 1/19

8:54 pm-10:20 pm

1 stop25h 26m

$182

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Tue 1/13

10:48 am-10:46 pm

1 stop10h 58m

Islip Long Island

Thu 1/15

8:45 pm-4:58 pm

1 stop21h 13m

$189

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Thu 1/15

6:54 pm-7:50 pm

1 stop24h 56m

Islip Long Island

Sun 1/18

9:52 am-8:24 pm

1 stop10h 32m

$198

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Mon 12/22

6:00 am-11:59 pm

1 stop17h 59m

Islip Long Island

Mon 12/29

8:35 pm-5:44 pm

1 stop21h 09m

$214

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Sun 1/11

11:57 am-7:45 pm

1 stop7h 48m

Islip Long Island

Sat 1/17

8:00 am-8:32 pm

1 stop12h 32m

$216

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Thu 3/12

2:57 pm-7:11 pm

1 stop28h 14m

Islip Long Island

Sat 3/14

6:00 am-12:08 am

1 stop18h 08m

$232

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Fri 3/6

6:00 am-11:59 pm

1 stop16h 59m

Islip Long Island

Sun 3/8

8:19 pm-12:29 am

1 stop29h 10m

$233

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Fri 1/23

11:45 am-8:47 pm

1 stop8h 02m

Islip Long Island

Fri 1/30

9:43 pm-4:40 pm

1 stop19h 57m

$233

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Fri 1/9

9:05 pm-7:08 pm

1 stop22h 03m

Islip Long Island

Sun 1/11

8:40 pm-10:52 am

1 stop14h 12m

$233

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Wed 12/17

11:57 am-10:44 pm

1 stop10h 47m

Islip Long Island

Thu 12/18

12:20 pm-10:52 am

1 stop22h 32m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 52 results
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Best time to book a flight from Indiana to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Indiana with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Indiana to Islip

What is the cheapest month to book a flight from Indiana to Islip, New York?

Currently, March is the cheapest month in which you can book a flight from Indiana to Islip, New York (average of $46). Flying from Indiana to Islip, New York in December is currently the most expensive (average of $90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IN to ISP?

Find hourly flight availability from Indiana to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 7, 2025.

When flying from Indiana to Islip, New York, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 55% versus a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Indiana to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islip from Indiana?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly into when you book flights from Indiana to Islip.

  • How long is the flight from Indiana to Islip, New York?

    For as low as $182, Frontier can have you in Islip, New York from Indiana in 24h 56m. Airlines will cover a distance of 624 mi.

  • What are the most popular routes from Indiana to Islip, New York?

    Most travelers choose Chicago O'Hare Intl - Islip Long Island, Cincinnati Cinci./N. Kentucky - Islip Long Island or Indianapolis - Islip Long Island when deciding on the best route from Indiana to Islip, New York.

  • Can I find deals for flights from Indiana to Islip that include hotel bookings?

    Yes. In addition to deals on Indiana to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Indiana to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Indiana to Islip.

  • Can I find deals for business class flights from Indiana to Islip?

    Yes. Cheapflights offers flight deals from Indiana to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Indiana to Islip, New York?

    Currently, March is the cheapest month in which you can book a flight from Indiana to Islip, New York (average of $46). Flying from Indiana to Islip, New York in December is currently the most expensive (average of $90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead

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Alternative routes for Indiana to Islip

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Indiana to Islip

Discover the top airline that operate flights from Indiana to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$280Average$366FlexibilityNo cancel feeOn-time63%

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