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Islip

$144+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ISP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$291
(Frontier)

One-way from

$144
(Frontier)

Popular in

November

Cheapest in

February

Average price

$249
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. 13% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Frontier deal was found by Cheapflights users on 6/12. 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 8/287:30 amORD - ISP
1 stop11h 36mFrontier
Mon 9/18:59 amISP - ORD
1 stop10h 42mFrontier
Deal found 6/12$291
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/911:25 amORD - ISP
1 stop9h 20mSouthwest
Sat 7/126:30 amISP - ORD
1 stop9h 50mSouthwest
Deal found 6/10$297
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/26:00 amCVG - ISP
1 stop7h 04mFrontier
Tue 8/58:00 amISP - CVG
1 stop7h 09mFrontier
Deal found 6/11$298
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:30 amSDF - ISP
1 stop6h 25mSouthwest
Sun 8/246:00 amISP - SDF
1 stop6h 25mSouthwest
Deal found 6/10$324
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/277:02 pmIND - ISP
1 stop24h 34mFrontier
Thu 7/176:00 amISP - IND
1 stop11h 53mFrontier
Deal found 6/12$354
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/27:25 pmIND - ISP
1 stop3h 30mSouthwest
Wed 7/91:40 pmISP - IND
1 stop5h 30mSouthwest
Deal found 6/11$362
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/282:00 pmCVG - ISP
2 stops10h 05mSouthwest
Wed 7/306:00 amISP - CVG
2 stops9h 55mSouthwest
Deal found 6/11$366
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/212:57 pmIND - ISP
3 stops30h 02mMultiple Airlines
Wed 7/92:55 pmISP - IND
2 stops32h 13mMultiple Airlines
Deal found 6/11$559
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1411:37 amCVG - ISP
3 stops22h 27mMultiple Airlines
Sat 8/162:12 pmISP - CVG
2 stops32h 47mMultiple Airlines
Deal found 6/10$585
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/112:16 pmSDF - ISP
3 stops25h 16mMultiple Airlines
Mon 8/410:44 amISP - SDF
3 stops32h 24mMultiple Airlines
Deal found 6/11$672
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:57 pmSDF - ISP
2 stops15h 07mBreeze Airways
Sat 8/162:12 pmISP - SDF
3 stops25h 07mBreeze Airways
Deal found 6/10$695
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/259:03 pmCVG - ISP
1 stop23h 04mBreeze Airways
Sun 9/282:19 pmISP - CVG
3 stops42h 40mBreeze Airways
Deal found 6/10$759

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 June 12, 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

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Thu 8/28

7:30 am-8:06 pm

1 stop11h 36m

Islip Long Island

Mon 9/1

8:59 am-6:41 pm

1 stop10h 42m

$291

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Wed 7/9

11:25 am-9:45 pm

1 stop9h 20m

Islip Long Island

Sat 7/12

6:30 am-3:20 pm

1 stop9h 50m

$297

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Sat 8/2

6:00 am-1:04 pm

1 stop7h 04m

Islip Long Island

Tue 8/5

8:00 am-3:09 pm

1 stop7h 09m

$298

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Wed 8/20

5:30 am-11:55 am

1 stop6h 25m

Islip Long Island

Sun 8/24

6:00 am-12:25 pm

1 stop6h 25m

$324

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

Fri 6/27

7:02 pm-7:36 pm

1 stop24h 34m

Islip Long Island

Thu 7/17

6:00 am-5:53 pm

1 stop11h 53m

$354

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

Wed 7/2

7:25 pm-10:55 pm

1 stop3h 30m

Islip Long Island

Wed 7/9

1:40 pm-7:10 pm

1 stop5h 30m

$362

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Mon 7/28

2:00 pm-12:05 am

2 stops10h 05m

Islip Long Island

Wed 7/30

6:00 am-3:55 pm

2 stops9h 55m

$366

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

Sun 6/22

2:10 pm-1:06 pm

1 stop22h 56m

Islip Long Island

Fri 6/27

2:05 pm-12:59 am

2 stops10h 54m

$512

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Thu 8/14

11:37 am-10:04 am

3 stops22h 27m

Islip Long Island

Sat 8/16

2:12 pm-10:59 pm

2 stops32h 47m

$585

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Wed 6/25

4:45 pm-6:59 pm

2 stops25h 14m

Islip Long Island

Sun 6/29

7:39 pm-11:45 pm

3 stops29h 06m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 22 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, January is the cheapest month in which you can book a flight from Indiana to Islip, New York (average of $108). Flying from Indiana to Islip, New York 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 June 12, 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, New York as you normally would.

Rainfall in Islip by month

Plan your trip to Islip by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

Plan your trip to Islip by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. 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 Islip. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Breeze Airways, Southwest and Frontier from Indiana to Islip by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
178 reviews

Food

6.7

Entertainment

6.6

Boarding

8.3

Overall

8.1

Comfort

8.2

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
178 reviews
Breeze Airways
8.1
Very good
178 reviews

Food

6.7

Entertainment

6.6

Boarding

8.3

Overall

8.1

Comfort

8.2

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,287 reviews
Breeze Airways
8.1
Very good
178 reviews

Food

6.7

Entertainment

6.6

Boarding

8.3

Overall

8.1

Comfort

8.2

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Frontier
6.0
Okay
3,295 reviews
Breeze Airways
8.1
Very good
178 reviews

Food

6.7

Entertainment

6.6

Boarding

8.3

Overall

8.1

Comfort

8.2

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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.

  • What are the cheapest airlines to fly from Indiana to Islip, New York one-way?

    The cheapest airlines for a one-way flight from Indiana to Islip, New York are Frontier ($144), Southwest ($168), and Breeze Airways ($270).

  • 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 Louisville Intl - 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, January is the cheapest month in which you can book a flight from Indiana to Islip, New York (average of $108). Flying from Indiana to Islip, New York 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 Indiana?

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Alternative routes for Indiana to Islip

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$280Average$406FlexibilityNo cancel feeOn-time63%

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