$147+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ISP
Oct 18 — Oct 251
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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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 September 18, 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 September 18, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:25 pm -
1 stop3h 35m
Sat 10/243:50 pm -
1 stop6h 25m
Deal found 9/15![Southwest logo]()
$218
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/165:40 am -
1 stop10h 35m
Wed 1/65:45 am -
1 stop7h 10m
Deal found 9/14![Southwest logo]()
$223
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:35 pm -
1 stop5h 55m
Sat 11/73:30 pm -
1 stop6h 40m
Deal found 9/13![Southwest logo]()
$232
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:45 am -
1 stop6h 25m
Thu 10/295:40 pm -
1 stop6h 35m
Deal found 9/13![Southwest logo]()
$232
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:50 pm -
1 stop24h 08m
Sat 10/106:25 pm -
1 stop14h 06m
Deal found 9/14![Frontier logo]()
$268
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:55 pm -
1 stop6h 45m
Tue 10/209:40 am -
2 stops7h 30m
Deal found 9/13![Southwest logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:25 am -
1 stop6h 31m
Mon 11/96:54 pm -
2 stops48h 03m
Deal found 9/17![Frontier logo]()
$293
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.
Tue 9/298:00 am -
1 stop8h 58m
Sat 10/35:43 pm -
1 stop6h 08m
Deal found 9/14![Frontier logo]()
$296
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.
Fri 10/168:11 pm -
1 stop20h 19m
Mon 10/196:55 pm -
1 stop13h 56m
Deal found 9/13![Frontier logo]()
$297
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 9/308:00 am -
1 stop8h 58m
Wed 10/75:43 pm -
1 stop5h 58m
Deal found 9/13![Frontier logo]()
$299
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:40 am -
2 stops9h 55m
Thu 11/1212:25 pm -
1 stop5h 45m
Deal found 9/17![Southwest logo]()
$312
This CheapOair deal was found by Cheapflights users on 9/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:20 pm -
1 stop19h 38m
Tue 10/65:43 pm -
1 stop16h 42m
Deal found 9/17![Frontier logo]()
$315
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 September 18, 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 September 18, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:25 pm -
1 stop3h 35m
Sat 10/246:15 am -
2 stops8h 05m
Deal found 9/15![Southwest logo]()
$223
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.
Wed 9/308:00 am -
1 stop8h 58m
Wed 10/75:43 pm -
1 stop5h 58m
Deal found 9/15![Frontier logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:48 pm -
2 stops14h 29m
Sat 10/106:25 pm -
1 stop16h 01m
Deal found 9/17![Multiple Airlines logo]()
$351
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/197:36 pm -
1 stop14h 41m
Fri 1/810:34 am -
2 stops34h 13m
Deal found 9/14![Breeze Airways logo]()
$362
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/165:40 am -
1 stop10h 35m
Wed 1/65:45 am -
1 stop7h 10m
Deal found 9/14![Southwest logo]()
$223
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:35 pm -
1 stop5h 55m
Sat 11/73:30 pm -
1 stop6h 40m
Deal found 9/13![Southwest logo]()
$232
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:45 am -
1 stop6h 25m
Thu 10/295:40 pm -
1 stop6h 35m
Deal found 9/13![Southwest logo]()
$232
This CheapOair deal was found by Cheapflights users on 9/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:20 pm -
1 stop19h 38m
Tue 10/65:43 pm -
1 stop16h 42m
Deal found 9/17![Frontier logo]()
$315
This Frontier deal was found by Cheapflights users on 9/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:46 am -
1 stop7h 44m
Mon 10/126:55 pm -
1 stop13h 56m
Deal found 9/17![Frontier logo]()
$316
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:43 pm -
2 stops22h 37m
Sat 10/35:43 pm -
1 stop30h 08m
Deal found 9/14![Multiple Airlines logo]()
$369
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:55 pm -
1 stop6h 45m
Tue 10/209:40 am -
2 stops7h 30m
Deal found 9/13![Southwest logo]()
$279
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/197:36 pm -
1 stop14h 41m
Wed 1/611:43 am -
2 stops32h 46m
Deal found 9/14![Breeze Airways logo]()
$390
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:56 pm -
1 stop20h 02m
Sun 10/45:43 pm -
1 stop6h 08m
Deal found 9/15![Frontier logo]()
$326
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:40 am -
2 stops9h 55m
Thu 11/1212:25 pm -
1 stop5h 45m
Deal found 9/17![Southwest logo]()
$312
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:56 pm -
1 stop20h 02m
Fri 10/25:43 pm -
1 stop6h 08m
Deal found 9/17![Frontier logo]()
$368
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:00 am -
1 stop13h 37m
Sun 10/186:25 pm -
1 stop14h 06m
Deal found 9/14![Multiple Airlines logo]()
$476
This Southwest deal was found by Cheapflights users on 9/16. 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.
Sat 10/246:45 am -
2 stops9h 25m
Sun 10/255:40 am -
1 stop6h 20m
Deal found 9/16![Southwest logo]()
$335
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.
Sun 10/118:26 am -
1 stop8h 04m
Thu 10/226:25 pm -
1 stop14h 06m
Deal found 9/15![Frontier logo]()
$380
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.
Fri 10/29:00 am -
1 stop9h 03m
Sun 10/45:43 pm -
1 stop6h 08m
Deal found 9/15![Frontier logo]()
$384
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:40 am -
1 stop6h 05m
Sun 11/11:35 pm -
2 stops8h 00m
Deal found 9/14![Southwest logo]()
$378
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 10/198:26 am -
1 stop8h 34m
Thu 10/226:25 pm -
1 stop14h 06m
Deal found 9/14![Frontier logo]()
$394
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:35 am -
1 stop6h 10m
Sat 10/1012:20 pm -
1 stop3h 50m
Deal found 9/17![Southwest logo]()
$378
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:05 am -
1 stop6h 25m
Sun 10/256:25 pm -
1 stop15h 35m
Deal found 9/16![Frontier logo]()
$408
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:10 pm -
1 stop6h 30m
Sat 10/1012:20 pm -
1 stop4h 05m
Deal found 9/13![Southwest logo]()
$400
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:30 am -
1 stop6h 15m
Sat 11/2112:50 pm -
1 stop6h 35m
Deal found 9/15![Southwest logo]()
$417
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:20 am -
2 stops33h 38m
Sat 10/106:25 pm -
2 stops25h 06m
Deal found 9/14![Frontier logo]()
$484
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:20 am -
2 stops9h 10m
Tue 10/69:40 am -
2 stops8h 25m
Deal found 9/17![Southwest logo]()
$418
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:21 am -
1 stop6h 09m
Sun 10/116:25 pm -
1 stop16h 33m
Deal found 9/13![Frontier logo]()
$485
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:40 am -
2 stops9h 15m
Sat 10/36:15 am -
2 stops8h 05m
Deal found 9/14![Southwest logo]()
$435
This United deal was found by Cheapflights users on 9/16. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am -
2 stops12h 49m
Sun 10/259:59 am -
2 stops24h 05m
Deal found 9/16![Multiple Airlines logo]()
$1,096
Last-minute flights from Indiana to IslipDiscover last-minute flight deals from Indiana to Islip. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Indiana to Islip. Data last updated September 18, 2026 and is based on user searches.
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.
Tue 9/298:00 am -
1 stop8h 58m
Sat 10/35:43 pm -
1 stop6h 08m
Deal found 9/14![Frontier logo]()
$296
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 9/308:00 am -
1 stop8h 58m
Wed 10/75:43 pm -
1 stop5h 58m
Deal found 9/13![Frontier logo]()
$299
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:56 pm -
1 stop20h 02m
Sun 10/45:43 pm -
1 stop6h 08m
Deal found 9/15![Frontier logo]()
$326
This CheapOair deal was found by Cheapflights users on 9/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:20 pm -
1 stop19h 38m
Tue 10/65:43 pm -
1 stop16h 42m
Deal found 9/17![Frontier logo]()
$315
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:56 pm -
1 stop20h 02m
Sun 10/45:43 pm -
1 stop6h 08m
Deal found 9/13![Frontier logo]()
$320
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:20 pm -
1 stop19h 38m
Sun 10/45:43 pm -
1 stop26h 48m
Deal found 9/13![Frontier logo]()
$320
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:50 pm -
1 stop24h 08m
Sat 10/106:25 pm -
1 stop14h 06m
Deal found 9/14![Frontier logo]()
$268
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:55 pm -
1 stop6h 45m
Tue 10/209:40 am -
2 stops7h 30m
Deal found 9/13![Southwest logo]()
$279
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.
Thu 10/158:26 am -
1 stop8h 04m
Mon 10/196:55 pm -
1 stop13h 56m
Deal found 9/14![Frontier logo]()
$329
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.
Fri 10/168:11 pm -
1 stop20h 19m
Mon 10/196:55 pm -
1 stop13h 56m
Deal found 9/13![Frontier logo]()
$297
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:25 pm -
1 stop3h 35m
Sat 10/243:50 pm -
1 stop6h 25m
Deal found 9/15![Southwest logo]()
$218
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:45 am -
1 stop6h 25m
Thu 10/295:40 pm -
1 stop6h 35m
Deal found 9/13![Southwest logo]()
$232
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 September 18, 2026.
Search for one-way flight options from Indiana to Islip. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:11 pm -
1 stop20h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$147
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:35 am -
1 stop6h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$159
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:35 am -
1 stop6h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$162
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:46 am -
1 stop7h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$177
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.
Fri 11/139:51 am -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$180
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.
Wed 10/78:00 am -
1 stop8h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$186
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.
Mon 10/198:26 am -
1 stop8h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$187
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:50 pm -
1 stop24h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$188
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.
Thu 10/158:26 am -
1 stop8h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$190
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 9/279:00 am -
1 stop9h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$196
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.
Mon 10/57:28 pm -
2 stops20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$199
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.
Wed 10/147:44 pm -
2 stops20h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$204
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 September 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $218 (Southwest) |
One-way from | $147 (Travelocity) |
Popular in | September |
Cheapest in | January |
Average price | $355 |
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 September 18, 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
Wed 10/7
9:35 am-3:45 pm
1 stop6h 10m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Thu 11/5
9:51 am-5:31 pm
1 stop6h 40m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$160
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Tue 10/27
9:35 am-3:45 pm
1 stop6h 10m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$162
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Mon 11/9
9:51 am-5:56 pm
1 stop7h 05m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$180
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Thu 9/24
3:50 pm-4:58 pm
1 stop24h 08m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$188
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Sat 11/7
9:51 am-5:31 pm
1 stop6h 40m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Sun 10/25
8:26 am-5:30 pm
1 stop8h 04m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$207
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Fri 11/20
5:40 am-3:45 pm
1 stop9h 05m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$207
CincinnatiIslip
CVG Cincinnati Cinci./N. Kentucky - ISP Islip Long Island
CVGISP
Cincinnati Cinci./N. Kentucky
Wed 10/7
8:00 am-4:58 pm
1 stop8h 58m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$207
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Fri 11/20
5:30 am-11:45 am
1 stop6h 15m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$209
Showing 1-10 of 60 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
ORD-ISP
SDF-ISP
CVG-ISP
DAY-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
ORD-ISP
SDF-ISP
CVG-ISP
No data available for this route at this time. Please check back soon.
Related info for your journey
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Traveling to a place near Islip?
Book flights to Islip if you plan to visit one of these locationsRiverhead
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