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Islip

$81+ Cheap flights from Indiana to Islip (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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ISP
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Indiana to Islip

Keep the following information in mind while searching for Indiana to Islip flight deals. Data was last updated September 11, 2025.

Round-trip from

$148
(CheapOair)

One-way from

$81
(Cheapflightsfares)

Popular in

November

Cheapest in

February

Average price

$209
From Indiana to Islip Long Island
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One-way flight from Indiana to Islip Long Island
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Highest demand for flights based on searches. 15% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This CheapOair deal was found by Cheapflights users on 9/11. 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 10/2610:06 pmIND - ISP
1 stop12h 31mFrontier
Sat 11/14:58 pmISP - IND
1 stop16h 46mFrontier
Deal found 9/11$148
This CheapOair deal was found by Cheapflights users on 9/11. 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 9/186:58 pmIND - ISP
1 stop15h 42mFrontier
Thu 9/2511:40 amISP - IND
1 stop6h 18mFrontier
Deal found 9/11$153
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:20 amCVG - ISP
1 stop5h 35mFrontier
Sun 10/55:12 pmISP - CVG
1 stop6h 17mFrontier
Deal found 9/9$157
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:20 amCVG - ISP
1 stop5h 35mFrontier
Sat 9/205:18 pmISP - CVG
1 stop6h 26mFrontier
Deal found 9/10$161
This Frontier deal was found by Cheapflights users on 9/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:00 amCVG - ISP
1 stop8h 23mFrontier
Wed 9/2411:35 amISP - CVG
1 stop9h 42mFrontier
Deal found 9/11$162
This CheapOair deal was found by Cheapflights users on 9/11. 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 11/210:04 pmIND - ISP
1 stop12h 33mFrontier
Sun 11/99:27 pmISP - IND
1 stop23h 52mFrontier
Deal found 9/11$167
This CheapOair deal was found by Cheapflights users on 9/10. 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 10/36:21 pmIND - ISP
1 stop16h 34mFrontier
Sun 10/59:49 amISP - IND
1 stop23h 58mFrontier
Deal found 9/10$191
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:20 amCVG - ISP
1 stop5h 35mFrontier
Sun 9/215:12 pmISP - CVG
1 stop6h 17mFrontier
Deal found 9/10$195
This Frontier deal was found by Cheapflights users on 9/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:49 pmORD - ISP
1 stop12h 51mFrontier
Sun 9/2811:25 amISP - ORD
1 stop9h 19mFrontier
Deal found 9/11$206
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:20 amCVG - ISP
1 stop5h 35mFrontier
Sun 10/55:12 pmISP - CVG
1 stop6h 17mFrontier
Deal found 9/10$208
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/128:14 amORD - ISP
1 stop11h 38mFrontier
Thu 10/169:37 pmISP - ORD
1 stop10h 57mFrontier
Deal found 9/9$211
This Frontier deal was found by Cheapflights users on 9/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:49 pmORD - ISP
1 stop12h 51mFrontier
Thu 10/211:40 amISP - ORD
1 stop9h 04mFrontier
Deal found 9/11$218

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 September 11, 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

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

Sun 10/26

10:06 pm-10:37 am

1 stop12h 31m

Islip Long Island

Sat 11/1

4:58 pm-9:44 am

1 stop16h 46m

$148

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Thu 10/2

5:20 am-10:55 am

1 stop5h 35m

Islip Long Island

Sun 10/5

5:12 pm-11:29 pm

1 stop6h 17m

$157

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

Sun 11/2

10:04 pm-10:37 am

1 stop12h 33m

Islip Long Island

Sun 11/9

9:27 pm-9:19 pm

1 stop23h 52m

$167

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

Fri 10/3

6:21 pm-10:55 am

1 stop16h 34m

Islip Long Island

Sun 10/5

9:49 am-9:47 am

1 stop23h 58m

$191

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Thu 9/25

5:20 am-10:55 am

1 stop5h 35m

Islip Long Island

Thu 9/25

5:12 pm-11:29 pm

1 stop6h 17m

$195

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Thu 9/25

8:49 pm-10:40 am

1 stop12h 51m

Islip Long Island

Sun 9/28

11:25 am-7:44 pm

1 stop9h 19m

$206

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Thu 9/25

5:20 am-10:55 am

1 stop5h 35m

Islip Long Island

Sun 10/5

5:12 pm-11:29 pm

1 stop6h 17m

$208

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Sun 10/12

8:14 am-8:52 pm

1 stop11h 38m

Islip Long Island

Thu 10/16

9:37 pm-7:34 am

1 stop10h 57m

$211

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Thu 9/25

8:49 pm-10:40 am

1 stop12h 51m

Islip Long Island

Thu 10/2

11:40 am-7:44 pm

1 stop9h 04m

$218

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Thu 9/25

5:20 am-10:55 am

1 stop5h 35m

Islip Long Island

Sun 9/28

5:12 pm-11:29 pm

1 stop6h 17m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 60 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?

Currently, January is the cheapest month in which you can book a flight from Indiana to Islip (average of $108). Flying from Indiana to Islip in November is currently the most expensive (average of $213). 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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Indiana to Islip as you normally would.

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?

    Departing from Indiana to Islip will take you 6h 15m. The distance from Indiana to Islip is about 697 mi. This flight may include one or multiple stops.

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

    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.

  • 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?

    Currently, January is the cheapest month in which you can book a flight from Indiana to Islip (average of $108). Flying from Indiana to Islip in November is currently the most expensive (average of $213). 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
Southampton

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$280Average$386FlexibilityNo cancel feeOn-time63%

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