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Islip

$105+ Cheap flights from Indianapolis to Islip, NY (IND - 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ISP
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
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Cheap flight deals from Indianapolis to Islip

Cheapest flights from Indianapolis to Islip
Explore the most affordable flight options available from Indianapolis to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/237:31 pm
IND
-
ISP
2 stops37h 09m
Frontier
vie. 2/278:33 am
ISP
-
IND
1 stop8h 52m
Frontier
Deal found 1/27$341
This Southwest deal was found by Cheapflights users on 1/26. 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.
jue. 8/279:10 am
IND
-
ISP
1 stop3h 25m
Southwest
dom. 8/306:20 am
ISP
-
IND
1 stop6h 30m
Southwest
Deal found 1/26$362
This Southwest deal was found by Cheapflights users on 1/27. 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.
lun. 2/2310:20 am
IND
-
ISP
1 stop6h 05m
Southwest
vie. 2/275:35 am
ISP
-
IND
1 stop7h 15m
Southwest
Deal found 1/27$377
This Southwest deal was found by Cheapflights users on 1/27. 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.
dom. 6/289:10 am
IND
-
ISP
1 stop5h 45m
Southwest
dom. 7/56:00 am
ISP
-
IND
1 stop6h 10m
Southwest
Deal found 1/27$447
This Frontier deal was found by Cheapflights users on 1/28. 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.
sáb. 2/289:25 am
IND
-
ISP
1 stop10h 03m
Frontier
dom. 3/18:33 am
ISP
-
IND
1 stop12h 39m
Frontier
Deal found 1/28$639
This Frontier deal was found by Cheapflights users on 1/26. 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.
sáb. 2/218:58 pm
IND
-
ISP
1 stop10h 50m
Frontier
lun. 2/238:23 am
ISP
-
IND
1 stop9h 02m
Frontier
Deal found 1/26$868
This Frontier deal was found by Cheapflights users on 1/26. 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.
sáb. 2/2111:06 am
IND
-
ISP
1 stop8h 22m
Frontier
dom. 2/228:33 am
ISP
-
IND
1 stop12h 39m
Frontier
Deal found 1/26$1,098
This Mytrip deal was found by Cheapflights users on 1/26. 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.
jue. 8/276:00 am
IND
-
ISP
3 stops13h 45m
Multiple Airlines
dom. 8/307:25 am
ISP
-
IND
3 stops39h 13m
Multiple Airlines
Deal found 1/26$1,115

Find flight deals from Indianapolis to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$341
(Kiwi.com)

One-way from

$105
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$162
Provider with most accurate pricing for Indianapolis-Islip Long Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for Indianapolis-Islip Long Island flights.
Search Deals
From Indianapolis to Islip Long Island
Search Deals
One-way flight from Indianapolis to Islip Long Island
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($43 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 January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Indianapolis 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 enero 29, 2026.
Use the filters below to find and compare flights from Indianapolis to Islip that are best for you.

Fly from

Indianapolis

Fly to

Islip

Route

Depart

Return

Price

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

lun. 2/23

7:31 pm-8:40 am

2 stops37h 09m

Islip Long Island

vie. 2/27

8:33 am-5:25 pm

1 stop8h 52m

$341

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

lun. 2/23

10:20 am-4:25 pm

1 stop6h 05m

Islip Long Island

vie. 2/27

5:35 am-12:50 pm

1 stop7h 15m

$377

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

dom. 6/28

9:10 am-2:55 pm

1 stop5h 45m

Islip Long Island

dom. 7/5

6:00 am-12:10 pm

1 stop6h 10m

$447

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

sáb. 2/28

9:25 am-7:28 pm

1 stop10h 03m

Islip Long Island

dom. 3/1

8:33 am-9:12 pm

1 stop12h 39m

$639

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

sáb. 2/21

8:58 pm-7:48 am

1 stop10h 50m

Islip Long Island

lun. 2/23

8:23 am-5:25 pm

1 stop9h 02m

$868

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

sáb. 2/21

11:06 am-7:28 pm

1 stop8h 22m

Islip Long Island

dom. 2/22

8:33 am-9:12 pm

1 stop12h 39m

$1,098

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

lun. 3/2

7:31 pm-8:40 am

2 stops37h 09m

$105

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

lun. 3/2

6:10 pm-8:47 am

1 stop14h 37m

$129

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

lun. 2/16

8:02 pm-11:10 am

2 stops39h 08m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Compare providers for flights from Indianapolis to Islip

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Indianapolis to Islip in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Indianapolis-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Indianapolis-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Indianapolis-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Indianapolis-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Indianapolis-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Indianapolis to Islip

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

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

Currently, March is the cheapest month in which you can book a flight from Indianapolis to Islip, New York (average of $46). Flying from Indianapolis to Islip, New York in July is currently the most expensive (average of $88). 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.

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 enero 29, 2026.
See what other customers who have flown with Southwest from Indianapolis to Islip have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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

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

    A quick flight from Indianapolis to Islip, New York can take about 6h 05m. Frontier provides one of the quickest options available for as low as $377. The distance from Indianapolis to Islip, New York is about 699 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Indianapolis to Islip, New York round-trip?

    Flying on Southwest is currently your cheapest option to Islip, New York, with prices starting at $280.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Indianapolis 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 Indianapolis to Islip, New York?

    Currently, March is the cheapest month in which you can book a flight from Indianapolis to Islip, New York (average of $46). Flying from Indianapolis to Islip, New York in July is currently the most expensive (average of $88). 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
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Top airline flying from Indianapolis to Islip

Discover the top airline that operate flights from Indianapolis 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 enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$280Average$366FlexibilityNo cancel feeOn-time63%

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