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$76+ Cheap flights from Islip (ISP) to Indiana

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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — IND
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Islip to Indiana

Keep the following information in mind while searching for Islip to Indiana flight deals. Data was last updated September 15, 2025.

Round-trip from

$151
(Cheapflightsfares)

One-way from

$76
(Cheapflightsfares)

Popular in

May

Cheapest in

February

Average price

$264
From Islip Long Island to Indiana
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One-way flight from Islip Long Island to Indiana
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Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 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 Islip to Indiana

Cheapest flights from Islip to Indiana
Explore the most affordable flight options available from Islip to Indiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
Fri 9/265:12 pmISP - CVG
1 stop6h 17mFrontier
Thu 10/25:20 amCVG - ISP
1 stop5h 35mFrontier
Deal found 9/13$151
This Frontier deal was found by Cheapflights users on 9/14. 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.
Mon 9/295:05 pmISP - CVG
1 stop7h 52mFrontier
Sat 10/48:00 amCVG - ISP
1 stop8h 23mFrontier
Deal found 9/14$152
This Frontier deal was found by Cheapflights users on 9/13. 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.
Fri 9/265:05 pmISP - CVG
1 stop7h 52mFrontier
Mon 9/296:05 amCVG - ISP
1 stop10h 22mFrontier
Deal found 9/13$167
This Frontier deal was found by Cheapflights users on 9/13. 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 9/2511:40 amISP - ORD
1 stop9h 04mFrontier
Fri 9/268:49 pmORD - ISP
1 stop13h 06mFrontier
Deal found 9/13$168
This Frontier deal was found by Cheapflights users on 9/15. 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 9/2511:40 amISP - ORD
1 stop9h 04mFrontier
Sun 9/288:49 pmORD - ISP
1 stop12h 51mFrontier
Deal found 9/15$184
This Frontier deal was found by Cheapflights users on 9/15. 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.
Tue 9/3011:25 amISP - CVG
1 stop9h 52mFrontier
Sat 10/48:00 amCVG - ISP
1 stop8h 23mFrontier
Deal found 9/15$188
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/34:58 pmISP - CVG
1 stop7h 13mFrontier
Tue 11/48:00 amCVG - ISP
1 stop9h 42mFrontier
Deal found 9/14$199
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Mon 9/225:12 pmISP - CVG
1 stop6h 17mFrontier
Thu 9/255:20 amCVG - ISP
1 stop5h 35mFrontier
Deal found 9/14$200
This Frontier deal was found by Cheapflights users on 9/13. 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.
Wed 9/1711:35 amISP - CVG
1 stop9h 42mFrontier
Sat 9/208:00 amCVG - ISP
1 stop8h 23mFrontier
Deal found 9/13$201
This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3011:25 amISP - ORD
1 stop11h 33mMultiple Airlines
Fri 10/38:49 pmORD - ISP
1 stop13h 06mMultiple Airlines
Deal found 9/13$207
This Frontier deal was found by Cheapflights users on 9/14. 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 10/55:12 pmISP - CVG
1 stop6h 17mFrontier
Thu 10/912:47 pmCVG - ISP
2 stops20h 17mFrontier
Deal found 9/14$210
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Fri 9/195:12 pmISP - CVG
1 stop6h 17mFrontier
Thu 9/255:20 amCVG - ISP
1 stop5h 35mFrontier
Deal found 9/15$213

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Indiana 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 15, 2025.
Use the filters below to find and compare flights from Islip to Indiana that are best for you.

Fly from

Islip

Fly to

Indiana

Route

Depart

Return

Price

IslipCincinnati

ISP - CVG

ISPCVG

Islip Long Island

Fri 9/26

5:12 pm-11:29 pm

1 stop6h 17m

Cincinnati Cinci./N. Kentucky

Thu 10/2

5:20 am-10:55 am

1 stop5h 35m

$151

IslipCincinnati

ISP - CVG

ISPCVG

Islip Long Island

Thu 10/2

5:12 pm-11:29 pm

1 stop6h 17m

Cincinnati Cinci./N. Kentucky

Tue 10/7

3:10 pm-8:42 pm

1 stop5h 32m

$151

IslipCincinnati

ISP - CVG

ISPCVG

Islip Long Island

Sun 10/5

5:12 pm-11:29 pm

1 stop6h 17m

Cincinnati Cinci./N. Kentucky

Tue 10/7

3:10 pm-8:42 pm

1 stop5h 32m

$151

IslipCincinnati

ISP - CVG

ISPCVG

Islip Long Island

Mon 9/29

5:05 pm-12:57 am

1 stop7h 52m

Cincinnati Cinci./N. Kentucky

Fri 10/3

6:05 am-4:27 pm

1 stop10h 22m

$152

IslipCincinnati

ISP - CVG

ISPCVG

Islip Long Island

Mon 9/29

5:05 pm-12:57 am

1 stop7h 52m

Cincinnati Cinci./N. Kentucky

Sat 10/4

8:00 am-4:23 pm

1 stop8h 23m

$152

IslipCincinnati

ISP - CVG

ISPCVG

Islip Long Island

Fri 9/26

5:05 pm-12:57 am

1 stop7h 52m

Cincinnati Cinci./N. Kentucky

Mon 9/29

6:05 am-4:27 pm

1 stop10h 22m

$167

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Thu 9/25

11:40 am-7:44 pm

1 stop9h 04m

Chicago O'Hare Intl

Fri 9/26

8:49 pm-10:55 am

1 stop13h 06m

$168

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Thu 9/25

11:40 am-7:44 pm

1 stop9h 04m

Chicago O'Hare Intl

Sun 9/28

8:49 pm-10:40 am

1 stop12h 51m

$168

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Thu 10/9

9:37 pm-7:34 am

1 stop10h 57m

Chicago O'Hare Intl

Sun 10/12

8:14 am-8:52 pm

1 stop11h 38m

$184

IslipCincinnati

ISP - CVG

ISPCVG

Islip Long Island

Mon 11/3

4:58 pm-12:11 am

1 stop7h 13m

Cincinnati Cinci./N. Kentucky

Tue 11/4

8:00 am-5:42 pm

1 stop9h 42m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 42 results
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Best time to book a flight from Islip to Indiana

Have a flexible travel schedule? Discover the best time to fly to Indiana from Islip 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 Islip to Indiana

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

Currently, August is the cheapest month in which you can book a flight from Islip to Indiana (average of $286). Flying from Islip to Indiana in March is currently the most expensive (average of $360). 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.

How much does it cost to fly round-trip from Islip to Indiana?

Reviews of airlines servicing Indiana

Get insights into the airlines that provide service to Indiana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Indiana. Reviews last updated September 15, 2025.
Peruse reviews from past customers who have flown with Southwest from Islip to Indiana to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Islip to Indiana. 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 from for flights from Islip to Indiana?

    For a flight from Islip to Indiana, you will be flying from Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city.

  • How long is the flight from Islip to Indiana?

    Departing from Islip to Indiana will take you 6h 17m. The distance between Islip and Indiana is about 624 mi. This flight may include one or multiple stops.

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

    The most popular route from Islip to Indiana is Islip Long Island - Chicago O'Hare Intl. You may also consider Islip Long Island - Cincinnati Cinci./N. Kentucky or Islip Long Island - Louisville Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Indiana 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 Islip to Indiana?

    Currently, August is the cheapest month in which you can book a flight from Islip to Indiana (average of $286). Flying from Islip to Indiana in March is currently the most expensive (average of $360). 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

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Alternative routes for Islip to Indiana

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

Discover the top airline that operate flights from Islip to Indiana. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$271Average$346FlexibilityNo cancel feeOn-time63%

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