$193+ Cheap flights from Indiana to Islip, NY (ISP)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ISP
Nov 16 — Nov 231
Round-trip
1 adult, Economy
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Find cheap flights from Indiana to Islip with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Indiana to Islip
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Best
Last-minute
One-way
Cheapest flights from Indiana to IslipExplore 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 October 17, 2026.
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 October 17, 2026.
This Southwest deal was found by Cheapflights users on 10/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:55 pm -
1 stop7h 20m
Mon 11/26:00 am -
1 stop8h 30m
Deal found 10/14![Southwest logo]()
$517
This FlightHub deal was found by Cheapflights users on 10/16. 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.
Sat 11/216:00 am -
1 stop26h 50m
Sat 11/286:00 am -
1 stop15h 34m
Deal found 10/16![JetBlue logo]()
$757
This Southwest deal was found by Cheapflights users on 10/16. 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 10/196:45 am -
2 stops7h 45m
Mon 10/195:40 pm -
1 stop7h 05m
Deal found 10/16![Southwest logo]()
$784
This Southwest deal was found by Cheapflights users on 10/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:20 pm -
1 stop7h 20m
Sun 11/295:50 pm -
1 stop6h 55m
Deal found 10/14![Southwest logo]()
$829
This Southwest deal was found by Cheapflights users on 10/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:20 pm -
1 stop7h 20m
Sat 11/285:05 pm -
1 stop7h 30m
Deal found 10/14![Southwest logo]()
$834
This FlightHub deal was found by Cheapflights users on 10/17. 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.
Sun 11/226:00 am -
1 stop26h 50m
Sun 11/296:00 am -
1 stop15h 34m
Deal found 10/17![JetBlue logo]()
$937
Best flights from Indiana to IslipDiscover carefully curated flight deals from Indiana to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 17, 2026.
Discover carefully curated flight deals from Indiana to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 17, 2026.
This Southwest deal was found by Cheapflights users on 10/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:55 pm -
1 stop7h 20m
Mon 11/26:00 am -
1 stop8h 30m
Deal found 10/14![Southwest logo]()
$517
This FlightHub deal was found by Cheapflights users on 10/16. 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.
Sat 11/216:00 am -
1 stop26h 50m
Sat 11/286:00 am -
1 stop15h 34m
Deal found 10/16![JetBlue logo]()
$757
This CheapOair deal was found by Cheapflights users on 10/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:15 pm -
1 stop21h 30m
Sun 11/294:40 pm -
1 stop20h 48m
Deal found 10/15![Frontier logo]()
$939
This FlightHub deal was found by Cheapflights users on 10/17. 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.
Sun 11/226:00 am -
1 stop26h 50m
Sun 11/296:00 am -
1 stop15h 34m
Deal found 10/17![JetBlue logo]()
$937
This Southwest deal was found by Cheapflights users on 10/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:20 pm -
1 stop7h 20m
Sat 11/285:30 am -
2 stops9h 15m
Deal found 10/14![Southwest logo]()
$975
This Southwest deal was found by Cheapflights users on 10/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:45 pm -
2 stops9h 55m
Sun 11/295:50 pm -
2 stops7h 25m
Deal found 10/14![Southwest logo]()
$1,090
Last-minute flights from Indiana to IslipDiscover last-minute flight deals from Indiana to Islip. Data last updated October 17, 2026 and is based on user searches.
Discover last-minute flight deals from Indiana to Islip. Data last updated October 17, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 10/16. 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 10/196:45 am -
2 stops7h 45m
Mon 10/195:40 pm -
1 stop7h 05m
Deal found 10/16![Southwest logo]()
$784
This Southwest deal was found by Cheapflights users on 10/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:55 pm -
1 stop7h 20m
Mon 11/26:00 am -
1 stop8h 30m
Deal found 10/14![Southwest logo]()
$517
This FlightHub deal was found by Cheapflights users on 10/16. 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.
Sat 11/216:00 am -
1 stop26h 50m
Sat 11/286:00 am -
1 stop15h 34m
Deal found 10/16![JetBlue logo]()
$757
This FlightHub deal was found by Cheapflights users on 10/17. 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.
Sun 11/226:00 am -
1 stop26h 50m
Sun 11/296:00 am -
1 stop15h 34m
Deal found 10/17![JetBlue logo]()
$937
This Southwest deal was found by Cheapflights users on 10/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:20 pm -
1 stop7h 20m
Sun 11/295:50 pm -
1 stop6h 55m
Deal found 10/14![Southwest logo]()
$829
This Southwest deal was found by Cheapflights users on 10/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:20 pm -
1 stop7h 20m
Sat 11/285:05 pm -
1 stop7h 30m
Deal found 10/14![Southwest logo]()
$834
One-way flights from Indiana to IslipSearch for one-way flight options from Indiana to Islip. Find affordable one-way fares based on user searches. Data last updated October 17, 2026.
Search for one-way flight options from Indiana to Islip. Find affordable one-way fares based on user searches. Data last updated October 17, 2026.
This Southwest deal was found by Cheapflights users on 10/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/208:00 pm -
1 stop12h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Wed 10/2811:25 am -
1 stop30h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$194
This Southwest deal was found by Cheapflights users on 10/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:40 am -
2 stops6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Wed 10/2811:25 am -
2 stops30h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$226
This Frontier deal was found by Cheapflights users on 10/13. 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.
Tue 11/244:37 pm -
2 stops23h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Frontier logo]()
$383
This Frontier deal was found by Cheapflights users on 10/14. 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.
Fri 11/2010:30 pm -
2 stops17h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$607
This Frontier deal was found by Cheapflights users on 10/15. 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.
Sat 11/2110:30 pm -
2 stops17h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$699
This Frontier deal was found by Cheapflights users on 10/15. 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.
Sat 11/2810:30 pm -
2 stops17h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$772
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 October 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $517 (Southwest) |
One-way from | $193 (Southwest) |
Popular in | October |
Cheapest in | January |
Average price | $387 |
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 7,457,451 searches. Data last updated October 17, 2026.
Use the filters below to find and compare flights from Indiana to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Sun 12/20
8:00 pm-8:45 am
1 stop12h 45m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$193
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Wed 10/28
11:25 am-5:31 pm
1 stop30h 06m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$194
Quickest round-trip
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Thu 11/19
9:40 am-4:15 pm
2 stops6h 35m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$204
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Wed 10/28
11:25 am-5:33 pm
2 stops30h 08m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$226
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Tue 11/24
4:37 pm-3:45 pm
2 stops23h 08m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$383
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Thu 10/29
3:55 pm-11:15 pm
1 stop7h 20m
Islip Long Island
Mon 11/2
6:00 am-2:30 pm
1 stop8h 30m
$517
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Fri 11/20
10:30 pm-3:45 pm
2 stops17h 15m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$607
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Sat 11/21
10:30 pm-3:45 pm
2 stops17h 15m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$699
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Sat 11/21
6:00 am-8:50 am
1 stop26h 50m
Islip Long Island
Sat 11/28
6:00 am-9:34 pm
1 stop15h 34m
$757
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Sat 11/28
10:30 pm-3:45 pm
2 stops17h 15m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$772
Showing 1-10 of 14 resultsSorted by cheapest first
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.
IND-ISP
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
USIN-ISP
IND-ISP
No data available for this route at this time. Please check back soon.
Related info for your journey
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