$119+ Cheap flights from Wisconsin 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ISP
Sep 14 — Sep 211
Round-trip
1 adult, Economy
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Cheapest flights from Wisconsin to IslipExplore the most affordable flight options available from Wisconsin to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 15, 2026.
Explore the most affordable flight options available from Wisconsin to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 15, 2026.
This Southwest deal was found by Cheapflights users on 8/11. 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.
Thu 9/101:55 pm -
1 stop6h 40m
Wed 9/166:05 am -
1 stop6h 55m
Deal found 8/11![Southwest logo]()
$214
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:20 pm -
2 stops7h 15m
Mon 10/193:10 pm -
2 stops8h 20m
Deal found 8/12![Southwest logo]()
$244
This Expedia deal was found by Cheapflights users on 8/14. 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 10/98:11 pm -
1 stop20h 19m
Mon 10/126:55 pm -
1 stop13h 36m
Deal found 8/14![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Mon 9/283:50 pm -
2 stops20h 08m
Mon 10/55:43 pm -
1 stop30h 16m
Deal found 8/14![Multiple Airlines logo]()
$257
This Frontier deal was found by Cheapflights users on 8/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:44 pm -
1 stop13h 09m
Sat 9/510:57 am -
1 stop13h 11m
Deal found 8/10![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 8/12. 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.
Wed 9/27:44 pm -
1 stop13h 09m
Sun 9/610:57 am -
1 stop13h 11m
Deal found 8/12![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 8/13. 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 9/49:10 pm -
1 stop11h 43m
Sun 9/610:57 am -
1 stop13h 11m
Deal found 8/13![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:10 pm -
1 stop11h 43m
Tue 9/810:57 am -
1 stop13h 11m
Deal found 8/11![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:44 pm -
1 stop20h 49m
Tue 11/312:00 pm -
2 stops25h 02m
Deal found 8/13![Multiple Airlines logo]()
$269
This Trip.com deal was found by Cheapflights users on 8/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:44 pm -
1 stop21h 30m
Sat 9/125:43 pm -
1 stop17h 37m
Deal found 8/11![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:44 pm -
1 stop20h 49m
Tue 11/33:43 pm -
1 stop9h 07m
Deal found 8/13![Frontier logo]()
$278
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:10 pm -
1 stop13h 43m
Sun 9/610:57 am -
1 stop8h 28m
Deal found 8/11![Frontier logo]()
$278
Best flights from Wisconsin to IslipDiscover carefully curated flight deals from Wisconsin to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 15, 2026.
Discover carefully curated flight deals from Wisconsin to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 15, 2026.
This Southwest deal was found by Cheapflights users on 8/11. 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.
Thu 9/101:55 pm -
1 stop6h 40m
Wed 9/166:05 am -
1 stop6h 55m
Deal found 8/11![Southwest logo]()
$214
This Expedia deal was found by Cheapflights users on 8/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:50 pm -
1 stop24h 08m
Wed 9/167:00 am -
1 stop7h 45m
Deal found 8/10![Multiple Airlines logo]()
$280
This JetBlue deal was found by Cheapflights users on 8/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:00 pm -
1 stop7h 22m
Thu 10/17:00 am -
1 stop7h 45m
Deal found 8/12![JetBlue logo]()
$291
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:10 pm -
1 stop13h 43m
Sun 9/610:57 am -
1 stop8h 28m
Deal found 8/11![Frontier logo]()
$298
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:30 pm -
1 stop4h 25m
Mon 10/197:10 pm -
1 stop6h 25m
Deal found 8/12![Southwest logo]()
$214
This JetBlue deal was found by Cheapflights users on 8/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:00 pm -
1 stop7h 22m
Wed 9/237:00 am -
1 stop7h 45m
Deal found 8/14![JetBlue logo]()
$291
This JetBlue deal was found by Cheapflights users on 8/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:00 pm -
1 stop7h 22m
Wed 9/307:00 am -
1 stop7h 45m
Deal found 8/11![JetBlue logo]()
$291
This JetBlue deal was found by Cheapflights users on 8/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:00 pm -
1 stop7h 22m
Sun 9/207:00 am -
1 stop7h 45m
Deal found 8/14![JetBlue logo]()
$291
This JetBlue deal was found by Cheapflights users on 8/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:00 pm -
1 stop7h 22m
Sun 9/207:00 am -
1 stop7h 45m
Deal found 8/12![JetBlue logo]()
$291
This KAYAK deal was found by Cheapflights users on 8/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1510:30 am -
2 stops46h 47m
Mon 1/183:02 pm -
2 stops20h 23m
Deal found 8/14![Breeze Airways logo]()
$838
This JetBlue deal was found by Cheapflights users on 8/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:00 pm -
1 stop7h 22m
Mon 9/287:00 am -
1 stop7h 45m
Deal found 8/12![JetBlue logo]()
$291
This JetBlue deal was found by Cheapflights users on 8/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:00 pm -
1 stop7h 22m
Fri 10/27:00 am -
1 stop7h 45m
Deal found 8/11![JetBlue logo]()
$291
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:25 am -
1 stop5h 10m
Mon 8/316:10 am -
1 stop6h 45m
Deal found 8/12![Southwest logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:57 pm -
2 stops10h 56m
Sun 8/305:50 pm -
1 stop21h 03m
Deal found 8/10![Multiple Airlines logo]()
$502
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:20 am -
1 stop10h 00m
Thu 12/3112:30 pm -
2 stops10h 20m
Deal found 8/12![Southwest logo]()
$448
This JetBlue deal was found by Cheapflights users on 8/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:00 pm -
1 stop7h 22m
Sun 9/137:00 am -
1 stop7h 45m
Deal found 8/10![JetBlue logo]()
$346
This Southwest deal was found by Cheapflights users on 8/11. 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.
Fri 9/116:45 am -
1 stop8h 40m
Sun 9/1312:45 pm -
2 stops10h 45m
Deal found 8/11![Southwest logo]()
$497
This JetBlue deal was found by Cheapflights users on 8/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:00 pm -
1 stop7h 22m
Fri 10/27:00 am -
1 stop7h 45m
Deal found 8/14![JetBlue logo]()
$346
This Southwest deal was found by Cheapflights users on 8/14. 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 11/266:30 am -
1 stop4h 30m
Sun 11/297:20 pm -
1 stop6h 25m
Deal found 8/14![Southwest logo]()
$533
This Southwest deal was found by Cheapflights users on 8/10. 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.
Thu 8/2710:55 am -
2 stops10h 10m
Sun 8/306:20 am -
1 stop7h 30m
Deal found 8/10![Southwest logo]()
$585
This KAYAK deal was found by Cheapflights users on 8/10. 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.
Wed 11/256:10 pm -
2 stops37h 49m
Tue 12/16:17 pm -
1 stop24h 07m
Deal found 8/10![Breeze Airways logo]()
$1,028
This United deal was found by Cheapflights users on 8/12. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:50 pm -
2 stops24h 11m
Thu 12/312:19 pm -
3 stops19h 55m
Deal found 8/12![Multiple Airlines logo]()
$983
This Southwest deal was found by Cheapflights users on 8/11. 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.
Thu 10/154:05 pm -
2 stops6h 30m
Sun 10/185:40 am -
2 stops10h 50m
Deal found 8/11![Southwest logo]()
$618
This United deal was found by Cheapflights users on 8/11. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:00 am -
2 stops32h 21m
Sun 12/272:19 pm -
2 stops34h 20m
Deal found 8/11![Multiple Airlines logo]()
$1,096
This KAYAK deal was found by Cheapflights users on 8/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:10 pm -
2 stops37h 49m
Sun 11/297:15 pm -
2 stops39h 35m
Deal found 8/11![Breeze Airways logo]()
$1,228
This KAYAK deal was found by Cheapflights users on 8/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:10 pm -
2 stops37h 49m
Fri 11/273:02 pm -
2 stops26h 16m
Deal found 8/12![Breeze Airways logo]()
$1,418
This KAYAK deal was found by Cheapflights users on 8/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:58 pm -
1 stop23h 14m
Sat 11/2812:00 pm -
2 stops28h 00m
Deal found 8/12![Breeze Airways logo]()
$1,848
Last-minute flights from Wisconsin to IslipDiscover last-minute flight deals from Wisconsin to Islip. Data last updated August 15, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Islip. Data last updated August 15, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/13. 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 8/289:10 pm -
1 stop11h 43m
Tue 9/110:57 am -
1 stop13h 11m
Deal found 8/13![Frontier logo]()
$281
This Frontier deal was found by Cheapflights users on 8/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:44 pm -
1 stop13h 09m
Sat 9/510:57 am -
1 stop13h 11m
Deal found 8/10![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 8/12. 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.
Wed 9/27:44 pm -
1 stop13h 09m
Sun 9/610:57 am -
1 stop13h 11m
Deal found 8/12![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 8/12. 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.
Wed 9/27:44 pm -
1 stop13h 09m
Tue 9/810:57 am -
1 stop13h 11m
Deal found 8/12![Frontier logo]()
$279
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:10 pm -
1 stop13h 43m
Sun 9/610:57 am -
1 stop8h 28m
Deal found 8/11![Frontier logo]()
$278
This Frontier deal was found by Cheapflights users on 8/13. 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 9/49:10 pm -
1 stop11h 43m
Sun 9/610:57 am -
1 stop13h 11m
Deal found 8/13![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:10 pm -
1 stop11h 43m
Tue 9/810:57 am -
1 stop13h 11m
Deal found 8/11![Frontier logo]()
$268
This Trip.com deal was found by Cheapflights users on 8/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:44 pm -
1 stop21h 30m
Sat 9/125:43 pm -
1 stop17h 37m
Deal found 8/11![Frontier logo]()
$276
This Expedia deal was found by Cheapflights users on 8/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:50 pm -
1 stop24h 08m
Wed 9/167:00 am -
1 stop7h 45m
Deal found 8/10![Multiple Airlines logo]()
$280
This Southwest deal was found by Cheapflights users on 8/11. 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.
Thu 9/101:55 pm -
1 stop6h 40m
Wed 9/166:05 am -
1 stop6h 55m
Deal found 8/11![Southwest logo]()
$214
This JetBlue deal was found by Cheapflights users on 8/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:00 pm -
1 stop7h 22m
Tue 9/297:00 am -
1 stop7h 45m
Deal found 8/11![JetBlue logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Mon 9/283:50 pm -
2 stops20h 08m
Mon 10/55:43 pm -
1 stop30h 16m
Deal found 8/14![Multiple Airlines logo]()
$257
One-way flights from Wisconsin to IslipSearch for one-way flight options from Wisconsin to Islip. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
Search for one-way flight options from Wisconsin to Islip. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
This Frontier deal was found by Cheapflights users on 8/14. 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.
Sat 9/57:44 pm -
1 stop13h 09m
Deal found 8/14![Frontier logo]()
$119
This Jetabroad deal was found by Cheapflights users on 8/11. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:10 pm -
1 stop27h 48m
Deal found 8/11![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 8/14. 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 9/49:10 pm -
1 stop11h 43m
Deal found 8/14![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 8/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:44 pm -
1 stop13h 09m
Deal found 8/10![Frontier logo]()
$135
This Frontier deal was found by Cheapflights users on 8/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:05 am -
1 stop7h 58m
Deal found 8/10![Frontier logo]()
$139
This Jetabroad deal was found by Cheapflights users on 8/12. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:59 pm -
1 stop14h 54m
Deal found 8/12![Frontier logo]()
$140
This Jetabroad deal was found by Cheapflights users on 8/12. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:50 pm -
1 stop24h 08m
Deal found 8/12![Frontier logo]()
$142
This JetBlue deal was found by Cheapflights users on 8/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:00 pm -
1 stop7h 22m
Deal found 8/14![JetBlue logo]()
$146
This Trip.com deal was found by Cheapflights users on 8/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:49 pm -
1 stop21h 14m
Deal found 8/10![Frontier logo]()
$149
This Priceline deal was found by Cheapflights users on 8/14. 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.
Fri 10/169:00 am -
1 stop8h 00m
Deal found 8/14![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:10 pm -
2 stops37h 10m
Deal found 8/11![Multiple Airlines logo]()
$155
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:10 pm -
1 stop13h 43m
Deal found 8/11![Frontier logo]()
$155
Find flight deals from Wisconsin to Islip
Keep the following information in mind while searching for Wisconsin to Islip flight deals. Data was last updated August 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $214 (Southwest) |
One-way from | $119 (Frontier) |
Popular in | November |
Cheapest in | January |
Average price | $368 |
Cheapflights Fare Finder
Customize your flight search to find flights from Wisconsin 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 August 15, 2026.
Use the filters below to find and compare flights from Wisconsin to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MilwaukeeIslip
MKE Milwaukee-Mitchell - ISP Islip Long Island
MKEISP
Milwaukee-Mitchell
Thu 9/10
1:55 pm-9:35 pm
1 stop6h 40m
Islip Long Island
Wed 9/16
6:05 am-12:00 pm
1 stop6h 55m
$214
Quickest round-trip
MilwaukeeIslip
MKE Milwaukee-Mitchell - ISP Islip Long Island
MKEISP
Milwaukee-Mitchell
Tue 10/13
2:30 pm-7:55 pm
1 stop4h 25m
Islip Long Island
Mon 10/19
7:10 pm-12:35 am
1 stop6h 25m
$214
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Wed 9/9
3:50 pm-4:58 pm
1 stop24h 08m
Islip Long Island
Wed 9/16
7:00 am-1:45 pm
1 stop7h 45m
$280
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Thu 9/24
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Thu 10/1
7:00 am-1:45 pm
1 stop7h 45m
$291
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Wed 9/16
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Wed 9/23
7:00 am-1:45 pm
1 stop7h 45m
$291
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Wed 9/23
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Wed 9/30
7:00 am-1:45 pm
1 stop7h 45m
$291
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Fri 9/18
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Sun 9/20
7:00 am-1:45 pm
1 stop7h 45m
$291
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Thu 9/17
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Sun 9/20
7:00 am-1:45 pm
1 stop7h 45m
$291
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Thu 9/17
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Mon 9/28
7:00 am-1:45 pm
1 stop7h 45m
$291
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Thu 9/24
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Fri 10/2
7:00 am-1:45 pm
1 stop7h 45m
$291
Showing 1-10 of 53 resultsSorted by cheapest first
Best time to book a flight from Wisconsin to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from Wisconsin with our price prediction graph.
ORD-ISP
MKE-ISP
MSN-ISP
MSP-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 Wisconsin to Islip
USWI-ISP
ORD-ISP
MKE-ISP
MSN-ISP
MSP-ISP
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Wisconsin to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Islip?
Book flights to Islip if you plan to visit one of these locationsRiverhead
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Other flights to Islip
Explore flights to Islip departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 15, 2026.
Wisconsin and Islip flights
Browse other Wisconsin and Islip flight options. Last updated on August 15, 2026.
Popular flight searches
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Wisconsin to Islip flights
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Top airline flying from Wisconsin to Islip
Discover the top airline that operate flights from Wisconsin 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 August 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$274 | Average$379 | FlexibilityNo cancel fee | On-time63% |