$98+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ISP
Sep 25 — Oct 21
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 26, 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 26, 2026.
This Frontier deal was found by Cheapflights users on 8/24. 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 10/199:00 am -
1 stop8h 00m
Fri 10/236:55 pm -
1 stop13h 36m
Deal found 8/24![Frontier logo]()
$247
This Frontier deal was found by Cheapflights users on 8/21. 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 10/169:00 am -
1 stop8h 00m
Sun 10/186:25 pm -
1 stop14h 06m
Deal found 8/21![Frontier logo]()
$249
This Southwest deal was found by Cheapflights users on 8/22. 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 10/104:35 pm -
1 stop4h 10m
Thu 10/153:10 pm -
1 stop9h 35m
Deal found 8/22![Southwest logo]()
$260
This Frontier deal was found by Cheapflights users on 8/24. 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 10/99:00 am -
1 stop8h 00m
Mon 10/126:55 pm -
1 stop13h 36m
Deal found 8/24![Frontier logo]()
$268
This Frontier deal was found by Cheapflights users on 8/25. 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 10/99:00 am -
1 stop8h 00m
Fri 10/166:55 pm -
1 stop13h 36m
Deal found 8/25![Frontier logo]()
$269
This Trip.com deal was found by Cheapflights users on 8/21. 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.
Mon 10/53:50 pm -
1 stop24h 08m
Mon 10/126:55 pm -
1 stop13h 36m
Deal found 8/21![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 8/25. 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 10/229:00 am -
1 stop7h 30m
Sun 10/256:25 pm -
1 stop14h 06m
Deal found 8/25![Frontier logo]()
$281
This Frontier deal was found by Cheapflights users on 8/24. 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 9/93:50 pm -
1 stop24h 08m
Sun 9/135:43 pm -
1 stop17h 37m
Deal found 8/24![Frontier logo]()
$282
This Southwest deal was found by Cheapflights users on 8/23. 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 10/166:50 pm -
1 stop3h 45m
Tue 10/206:05 am -
1 stop6h 50m
Deal found 8/23![Southwest logo]()
$282
This Expedia deal was found by Cheapflights users on 8/24. 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 9/233:50 pm -
1 stop24h 08m
Wed 9/307:00 am -
1 stop7h 45m
Deal found 8/24![Multiple Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 8/22. 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 10/92:25 pm -
1 stop7h 45m
Thu 10/153:10 pm -
1 stop9h 35m
Deal found 8/22![Southwest logo]()
$287
This Southwest deal was found by Cheapflights users on 8/22. 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 11/106:20 am -
2 stops8h 55m
Sun 11/154:25 pm -
1 stop8h 20m
Deal found 8/22![Southwest logo]()
$326
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 26, 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 26, 2026.
This Southwest deal was found by Cheapflights users on 8/22. 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 10/104:35 pm -
1 stop4h 10m
Thu 10/153:10 pm -
1 stop9h 35m
Deal found 8/22![Southwest logo]()
$260
This JetBlue deal was found by Cheapflights users on 8/24. 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
Mon 9/217:00 am -
1 stop7h 45m
Deal found 8/24![JetBlue logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 10/147:45 am -
1 stop25h 32m
Mon 10/196:55 pm -
2 stops38h 53m
Deal found 8/25![Multiple Airlines logo]()
$392
This Trip.com deal was found by Cheapflights users on 8/21. 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.
Wed 9/96:56 pm -
2 stops21h 02m
Sun 9/135:43 pm -
2 stops25h 18m
Deal found 8/21![Frontier logo]()
$486
This Southwest deal was found by Cheapflights users on 8/23. 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 10/166:50 pm -
1 stop3h 45m
Tue 10/206:05 am -
1 stop6h 50m
Deal found 8/23![Southwest logo]()
$282
This JetBlue deal was found by Cheapflights users on 8/22. 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
Sat 9/197:00 am -
1 stop7h 45m
Deal found 8/22![JetBlue logo]()
$319
This JetBlue deal was found by Cheapflights users on 8/21. 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 10/23:00 pm -
1 stop7h 22m
Sun 10/47:00 am -
1 stop7h 45m
Deal found 8/21![JetBlue logo]()
$319
This Southwest deal was found by Cheapflights users on 8/22. 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 11/1010:45 am -
2 stops9h 55m
Sun 11/151:35 pm -
2 stops11h 10m
Deal found 8/22![Southwest logo]()
$331
This KAYAK deal was found by Cheapflights users on 8/23. 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 10/2110:33 am -
2 stops29h 15m
Sun 10/2510:57 am -
2 stops47h 53m
Deal found 8/23![Breeze Airways logo]()
$813
This Southwest deal was found by Cheapflights users on 8/22. 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 10/92:25 pm -
1 stop7h 45m
Thu 10/1511:00 am -
2 stops7h 50m
Deal found 8/22![Southwest logo]()
$336
This Southwest deal was found by Cheapflights users on 8/24. 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 10/115:00 pm -
1 stop5h 50m
Thu 10/153:10 pm -
1 stop9h 35m
Deal found 8/24![Southwest logo]()
$343
This JetBlue deal was found by Cheapflights users on 8/21. 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 8/21![JetBlue logo]()
$378
This eDestinos deal was found by Cheapflights users on 8/22. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am -
2 stops32h 58m
Sun 9/135:43 pm -
2 stops43h 07m
Deal found 8/22![Frontier logo]()
$499
This JetBlue deal was found by Cheapflights users on 8/24. 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 8/24![JetBlue logo]()
$378
This Southwest deal was found by Cheapflights users on 8/23. 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 10/196:15 am -
1 stop7h 15m
Sat 10/2412:20 pm -
2 stops10h 50m
Deal found 8/23![Southwest logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 12/247:00 am -
1 stop10h 09m
Wed 1/69:40 am -
2 stops33h 01m
Deal found 8/23![Multiple Airlines logo]()
$526
This JetBlue deal was found by Cheapflights users on 8/21. 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.
Tue 9/223:00 pm -
1 stop7h 22m
Sat 9/267:00 am -
1 stop7h 45m
Deal found 8/21![JetBlue logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 10/129:33 am -
2 stops24h 47m
Sun 10/186:25 pm -
1 stop16h 31m
Deal found 8/25![Multiple Airlines logo]()
$539
This JetBlue deal was found by Cheapflights users on 8/22. 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
Mon 9/287:00 am -
1 stop7h 45m
Deal found 8/22![JetBlue logo]()
$378
This JetBlue deal was found by Cheapflights users on 8/24. 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 8/24![JetBlue logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 9/912:45 pm -
2 stops29h 20m
Sun 9/135:43 pm -
1 stop26h 54m
Deal found 8/21![Multiple Airlines logo]()
$590
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Sun 12/203:37 pm -
1 stop16h 24m
Wed 1/69:40 am -
2 stops33h 01m
Deal found 8/23![Multiple Airlines logo]()
$595
This KAYAK deal was found by Cheapflights users on 8/22. 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 10/284:58 pm -
2 stops23h 35m
Sun 11/110:57 am -
2 stops47h 53m
Deal found 8/22![Breeze Airways logo]()
$833
This Southwest deal was found by Cheapflights users on 8/24. 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 9/87:15 am -
2 stops8h 45m
Sat 9/123:15 pm -
1 stop4h 35m
Deal found 8/24![Southwest logo]()
$522
This Trip.com deal was found by Cheapflights users on 8/22. 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 9/117:35 am -
1 stop8h 23m
Sun 9/135:43 pm -
1 stop26h 54m
Deal found 8/22![Multiple Airlines logo]()
$596
This Southwest deal was found by Cheapflights users on 8/22. 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 12/266:15 am -
1 stop9h 10m
Sun 1/36:00 pm -
1 stop7h 15m
Deal found 8/22![Southwest logo]()
$523
This KAYAK deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:10 pm -
2 stops19h 12m
Mon 12/143:02 pm -
2 stops19h 48m
Deal found 8/22![Breeze Airways logo]()
$848
This KAYAK deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 pm -
2 stops16h 12m
Sat 9/1912:00 pm -
2 stops30h 20m
Deal found 8/24![Breeze Airways logo]()
$873
This Southwest deal was found by Cheapflights users on 8/25. 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 10/142:55 pm -
1 stop6h 40m
Sun 10/185:40 am -
2 stops8h 55m
Deal found 8/25![Southwest logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 12/247:00 am -
1 stop10h 09m
Sun 1/36:34 pm -
2 stops29h 05m
Deal found 8/23![Multiple Airlines logo]()
$700
Last-minute flights from Wisconsin to IslipDiscover last-minute flight deals from Wisconsin to Islip. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Islip. Data last updated August 26, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:44 pm -
1 stop13h 09m
Sun 8/3010:57 am -
1 stop13h 11m
Deal found 8/23![Frontier logo]()
$350
This Frontier deal was found by Cheapflights users on 8/21. 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
Sun 8/3010:57 am -
1 stop13h 11m
Deal found 8/21![Frontier logo]()
$340
This Expedia deal was found by Cheapflights users on 8/24. 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 9/49:10 pm -
1 stop20h 04m
Mon 9/77:09 pm -
1 stop28h 59m
Deal found 8/24![Frontier logo]()
$320
This Frontier deal was found by Cheapflights users on 8/21. 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 8/21![Frontier logo]()
$330
This CheapOair deal was found by Cheapflights users on 8/21. 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.
Sat 9/57:44 pm -
1 stop13h 09m
Wed 9/95:43 pm -
1 stop17h 37m
Deal found 8/21![Frontier logo]()
$299
This Southwest deal was found by Cheapflights users on 8/22. 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 9/53:25 pm -
1 stop4h 25m
Thu 9/1712:35 pm -
1 stop9h 10m
Deal found 8/22![Southwest logo]()
$356
This Frontier deal was found by Cheapflights users on 8/24. 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 9/93:50 pm -
1 stop24h 08m
Sun 9/135:43 pm -
1 stop17h 37m
Deal found 8/24![Frontier logo]()
$282
This JetBlue deal was found by Cheapflights users on 8/24. 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 8/24![JetBlue logo]()
$339
This JetBlue deal was found by Cheapflights users on 8/24. 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
Mon 9/217:00 am -
1 stop7h 45m
Deal found 8/24![JetBlue logo]()
$319
This Lucky2Go deal was found by Cheapflights users on 8/22. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:15 am -
1 stop28h 43m
Sun 9/205:43 pm -
1 stop17h 37m
Deal found 8/22![Frontier logo]()
$342
This Expedia deal was found by Cheapflights users on 8/24. 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 9/233:50 pm -
1 stop24h 08m
Wed 9/307:00 am -
1 stop7h 45m
Deal found 8/24![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/233:50 pm -
1 stop24h 08m
Wed 9/305:43 pm -
2 stops18h 57m
Deal found 8/24![Frontier logo]()
$328
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 26, 2026.
Search for one-way flight options from Wisconsin to Islip. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This Expedia deal was found by Cheapflights users on 8/21. 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.
Thu 10/1510:15 am -
1 stop6h 15m
Deal found 8/21![Frontier logo]()
$98
This Frontier deal was found by Cheapflights users on 8/25. 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 10/109:00 am -
1 stop7h 30m
Deal found 8/25![Frontier logo]()
$118
This Southwest deal was found by Cheapflights users on 8/23. 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 9/223:05 pm -
1 stop5h 05m
Deal found 8/23![Southwest logo]()
$128
This Southwest deal was found by Cheapflights users on 8/21. 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 10/106:50 am -
2 stops8h 20m
Deal found 8/21![Southwest logo]()
$133
This Priceline deal was found by Cheapflights users on 8/21. 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.
Thu 10/159:00 am -
1 stop7h 30m
Deal found 8/21![Frontier logo]()
$150
This Frontier deal was found by Cheapflights users on 8/21. 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 8/21![Frontier logo]()
$156
This Frontier deal was found by Cheapflights users on 8/22. 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 9/56:50 pm -
1 stop14h 03m
Deal found 8/22![Frontier logo]()
$156
This Frontier deal was found by Cheapflights users on 8/21. 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 8/21![Frontier logo]()
$157
This JetBlue deal was found by Cheapflights users on 8/24. 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.
Sat 9/263:00 pm -
1 stop7h 22m
Deal found 8/24![JetBlue logo]()
$160
This Frontier deal was found by Cheapflights users on 8/25. 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 10/99:00 am -
1 stop8h 00m
Deal found 8/25![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/2410:10 am -
1 stop29h 48m
Deal found 8/25![Frontier logo]()
$171
This Frontier deal was found by Cheapflights users on 8/23. 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 8/23![Frontier logo]()
$176
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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (Frontier) |
One-way from | $98 (Expedia) |
Popular in | November |
Cheapest in | January |
Average price | $363 |
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 7,457,451 searches. Data last updated August 26, 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
Sat 10/10
4:35 pm-9:45 pm
1 stop4h 10m
Islip Long Island
Thu 10/15
3:10 pm-11:45 pm
1 stop9h 35m
$260
Quickest round-trip
MilwaukeeIslip
MKE Milwaukee-Mitchell - ISP Islip Long Island
MKEISP
Milwaukee-Mitchell
Fri 10/16
6:50 pm-11:35 pm
1 stop3h 45m
Islip Long Island
Tue 10/20
6:05 am-11:55 am
1 stop6h 50m
$282
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
Mon 9/21
7:00 am-1:45 pm
1 stop7h 45m
$319
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
Sat 9/19
7:00 am-1:45 pm
1 stop7h 45m
$319
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Fri 10/2
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Sun 10/4
7:00 am-1:45 pm
1 stop7h 45m
$319
MilwaukeeIslip
MKE Milwaukee-Mitchell - ISP Islip Long Island
MKEISP
Milwaukee-Mitchell
Tue 11/10
10:45 am-9:40 pm
2 stops9h 55m
Islip Long Island
Sun 11/15
1:35 pm-11:45 pm
2 stops11h 10m
$331
MilwaukeeIslip
MKE Milwaukee-Mitchell - ISP Islip Long Island
MKEISP
Milwaukee-Mitchell
Fri 10/9
2:25 pm-11:10 pm
1 stop7h 45m
Islip Long Island
Thu 10/15
11:00 am-5:50 pm
2 stops7h 50m
$336
MilwaukeeIslip
MKE Milwaukee-Mitchell - ISP Islip Long Island
MKEISP
Milwaukee-Mitchell
Sun 10/11
5:00 pm-11:50 pm
1 stop5h 50m
Islip Long Island
Thu 10/15
3:10 pm-11:45 pm
1 stop9h 35m
$343
MinneapolisIslip
MSP Minneapolis St Paul - ISP Islip Long Island
MSPISP
Minneapolis St Paul
Mon 10/19
6:15 am-2:30 pm
1 stop7h 15m
Islip Long Island
Sat 10/24
12:20 pm-10:10 pm
2 stops10h 50m
$350
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
$378
Showing 1-10 of 58 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.
MKE-ISP
ORD-ISP
MSP-ISP
MSN-ISP
ATW-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
MKE-ISP
ORD-ISP
MSP-ISP
MSN-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 26, 2026.
Wisconsin and Islip flights
Browse other Wisconsin and Islip flight options. Last updated on August 26, 2026.
Popular flight searches
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Wisconsin to Islip flights
Consider these flights traveling from Wisconsin to Islip.
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 7,457,451 searches. Data last updated August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$274 | Average$379 | FlexibilityNo cancel fee | On-time63% |