$113+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ISP
Sep 20 — Sep 271
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 21, 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 21, 2026.
This Frontier deal was found by Cheapflights users on 8/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:15 am -
1 stop28h 43m
Sat 9/195:43 pm -
1 stop17h 37m
Deal found 8/16![Frontier logo]()
$228
This Frontier deal was found by Cheapflights users on 8/18. 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
Tue 10/273:43 pm -
1 stop9h 07m
Deal found 8/18![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 8/19. 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 8/19![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 8/16. 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 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
Tue 9/810:57 am -
1 stop13h 11m
Deal found 8/16![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 8/19. 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
Sat 10/246:25 pm -
1 stop14h 06m
Deal found 8/19![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 8/20. 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
Sat 10/246:25 pm -
1 stop14h 06m
Deal found 8/20![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 8/16. 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 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
Sun 9/610:57 am -
1 stop13h 11m
Deal found 8/16![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 8/17. 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.
Sun 10/189:00 am -
1 stop7h 30m
Mon 10/196:55 pm -
1 stop13h 36m
Deal found 8/17![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 8/16. 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 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 8/16![Frontier logo]()
$273
This Trip.com deal was found by Cheapflights users on 8/17. 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 Trip.com 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 8/17![Frontier logo]()
$277
This Frontier deal was found by Cheapflights users on 8/16. 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 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
Sat 9/510:57 am -
1 stop13h 11m
Deal found 8/16![Frontier logo]()
$281
This Southwest deal was found by Cheapflights users on 8/20. 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 10/212:20 pm -
1 stop3h 40m
Mon 10/57:10 pm -
1 stop6h 25m
Deal found 8/20![Southwest logo]()
$282
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 21, 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 21, 2026.
This Southwest deal was found by Cheapflights users on 8/20. 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 10/212:20 pm -
1 stop3h 40m
Mon 10/57:10 pm -
1 stop6h 25m
Deal found 8/20![Southwest logo]()
$282
This JetBlue deal was found by Cheapflights users on 8/19. 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
Sun 9/137:00 am -
1 stop7h 45m
Deal found 8/19![JetBlue logo]()
$291
This Frontier deal was found by Cheapflights users on 8/20. 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 8/20![Frontier logo]()
$300
This JetBlue deal was found by Cheapflights users on 8/17. 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 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
Thu 9/177:00 am -
1 stop7h 45m
Deal found 8/17![JetBlue logo]()
$291
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.
Wed 9/27:44 pm -
1 stop13h 09m
Sun 9/610:57 am -
1 stop13h 11m
Deal found 8/21![Frontier logo]()
$320
This JetBlue deal was found by Cheapflights users on 8/18. 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 8/18![JetBlue logo]()
$291
This Southwest deal was found by Cheapflights users on 8/17. 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 11/95:10 am -
2 stops9h 25m
Fri 11/135:40 pm -
1 stop6h 50m
Deal found 8/17![Southwest logo]()
$336
This JetBlue deal was found by Cheapflights users on 8/16. 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 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
Sun 9/277:00 am -
1 stop7h 45m
Deal found 8/16![JetBlue logo]()
$291
This Frontier deal was found by Cheapflights users on 8/20. 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
Mon 9/710:57 am -
1 stop8h 28m
Deal found 8/20![Frontier logo]()
$330
This Southwest deal was found by Cheapflights users on 8/18. 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 10/155:55 am -
2 stops7h 35m
Wed 10/214:20 pm -
1 stop6h 55m
Deal found 8/18![Southwest logo]()
$343
This JetBlue deal was found by Cheapflights users on 8/18. 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 8/18![JetBlue logo]()
$291
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 9/56:50 pm -
1 stop14h 03m
Mon 9/710:57 am -
1 stop8h 28m
Deal found 8/21![Frontier logo]()
$330
This Southwest deal was found by Cheapflights users on 8/18. 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 10/155:55 am -
2 stops7h 35m
Tue 10/206:05 am -
1 stop6h 50m
Deal found 8/18![Southwest logo]()
$343
This KAYAK deal was found by Cheapflights users on 8/20. 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 10/226:00 pm -
2 stops19h 22m
Mon 10/263:02 pm -
2 stops19h 48m
Deal found 8/20![Breeze Airways logo]()
$848
This JetBlue deal was found by Cheapflights users on 8/16. 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 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 8/16![JetBlue logo]()
$291
This JetBlue deal was found by Cheapflights users on 8/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:00 pm -
1 stop7h 22m
Sat 10/37:00 am -
1 stop7h 45m
Deal found 8/17![JetBlue logo]()
$291
This United deal was found by Cheapflights users on 8/20. 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.
Fri 10/24:10 pm -
2 stops17h 20m
Mon 10/510:05 am -
2 stops25h 24m
Deal found 8/20![Multiple Airlines logo]()
$994
This Southwest deal was found by Cheapflights users on 8/20. 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 10/33:55 pm -
1 stop4h 50m
Sun 10/45:40 am -
2 stops10h 50m
Deal found 8/20![Southwest logo]()
$393
This JetBlue deal was found by Cheapflights users on 8/20. 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 8/20![JetBlue logo]()
$319
This Southwest deal was found by Cheapflights users on 8/20. 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 10/212:20 pm -
2 stops9h 50m
Sun 10/45:40 am -
2 stops8h 55m
Deal found 8/20![Southwest logo]()
$421
This JetBlue deal was found by Cheapflights users on 8/20. 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
Mon 9/147:00 am -
1 stop7h 45m
Deal found 8/20![JetBlue logo]()
$319
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 9/56:00 am -
1 stop6h 20m
Wed 9/96:05 am -
1 stop6h 55m
Deal found 8/21![Southwest logo]()
$444
This JetBlue deal was found by Cheapflights users on 8/16. 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 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 8/16![JetBlue logo]()
$346
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.
Wed 9/97:00 am -
2 stops9h 00m
Mon 9/144:05 pm -
1 stop7h 05m
Deal found 8/21![Southwest logo]()
$502
This Southwest deal was found by Cheapflights users on 8/19. 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 9/216:45 am -
1 stop8h 40m
Mon 9/286:10 am -
2 stops8h 55m
Deal found 8/19![Southwest logo]()
$505
This Southwest deal was found by Cheapflights users on 8/17. 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.
Tue 9/13:30 pm -
1 stop4h 35m
Sat 9/53:15 pm -
1 stop4h 35m
Deal found 8/17![Southwest logo]()
$517
This KAYAK deal was found by Cheapflights users on 8/16. 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 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 8/16![Breeze Airways logo]()
$1,158
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 9/510:25 am -
2 stops8h 10m
Wed 9/93:20 pm -
2 stops7h 45m
Deal found 8/21![Southwest logo]()
$527
Last-minute flights from Wisconsin to IslipDiscover last-minute flight deals from Wisconsin to Islip. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Islip. Data last updated August 21, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/20. 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 8/237:44 pm -
1 stop13h 09m
Tue 9/810:57 am -
1 stop13h 11m
Deal found 8/20![Frontier logo]()
$311
This Frontier deal was found by Cheapflights users on 8/20. 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 9/810:57 am -
1 stop13h 11m
Deal found 8/20![Frontier logo]()
$301
This Frontier deal was found by Cheapflights users on 8/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:10 pm -
1 stop11h 43m
Fri 9/410:57 am -
1 stop13h 11m
Deal found 8/16![Frontier logo]()
$300
This Frontier deal was found by Cheapflights users on 8/16. 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 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
Tue 9/810:57 am -
1 stop13h 11m
Deal found 8/16![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 8/16. 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 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
Sun 9/610:57 am -
1 stop13h 11m
Deal found 8/16![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 8/16. 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 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
Sat 9/510:57 am -
1 stop13h 11m
Deal found 8/16![Frontier logo]()
$281
This Frontier deal was found by Cheapflights users on 8/20. 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 8/20![Frontier logo]()
$300
This Frontier deal was found by Cheapflights users on 8/16. 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 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 8/16![Frontier logo]()
$273
This Frontier deal was found by Cheapflights users on 8/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:15 am -
1 stop28h 43m
Sat 9/195:43 pm -
1 stop17h 37m
Deal found 8/16![Frontier logo]()
$228
This CheapOair deal was found by Cheapflights users on 8/20. 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 9/113:50 pm -
1 stop24h 08m
Sun 9/135:43 pm -
1 stop17h 37m
Deal found 8/20![Frontier logo]()
$299
This Trip.com deal was found by Cheapflights users on 8/17. 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 Trip.com 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 8/17![Frontier logo]()
$277
This JetBlue deal was found by Cheapflights users on 8/17. 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 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 8/17![JetBlue logo]()
$291
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 21, 2026.
Search for one-way flight options from Wisconsin to Islip. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This Frontier deal was found by Cheapflights users on 8/17. 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.
Thu 10/229:00 am -
1 stop7h 30m
Deal found 8/17![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 8/17. 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.
Mon 9/79:10 pm -
1 stop11h 43m
Deal found 8/17![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 8/17. 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 10/249:00 am -
1 stop7h 30m
Deal found 8/17![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 8/20. 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 11/69:51 am -
1 stop7h 05m
Deal found 8/20![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 8/16. 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 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 8/16![Frontier logo]()
$137
This CheapOair deal was found by Cheapflights users on 8/20. 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 9/113:50 pm -
1 stop24h 08m
Deal found 8/20![Frontier logo]()
$138
This Jetabroad deal was found by Cheapflights users on 8/16. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:44 pm -
1 stop13h 09m
Deal found 8/16![Frontier logo]()
$140
This JetBlue deal was found by Cheapflights users on 8/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:00 pm -
1 stop7h 22m
Deal found 8/17![JetBlue logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/143:50 pm -
2 stops20h 08m
Deal found 8/17![Multiple Airlines logo]()
$152
This Frontier deal was found by Cheapflights users on 8/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:05 am -
1 stop11h 09m
Deal found 8/16![Frontier logo]()
$156
This Frontier deal was found by Cheapflights users on 8/20. 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
Deal found 8/20![Frontier logo]()
$156
This Frontier deal was found by Cheapflights users on 8/20. 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 8/287:17 pm -
1 stop13h 36m
Deal found 8/20![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 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $228 (Frontier) |
One-way from | $113 (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 7,457,451 searches. Data last updated August 21, 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
Fri 10/2
12:20 pm-5:00 pm
1 stop3h 40m
Islip Long Island
Mon 10/5
7:10 pm-12:35 am
1 stop6h 25m
$282
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Thu 9/10
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Sun 9/13
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
Thu 9/17
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 9/25
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
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Fri 9/25
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Sun 9/27
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
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 10/1
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Sat 10/3
7:00 am-1:45 pm
1 stop7h 45m
$291
MinneapolisIslip
MSP Minneapolis St Paul - ISP Islip Long Island
MSPISP
Minneapolis St Paul
Thu 9/3
7:10 pm-9:53 am
1 stop13h 43m
Islip Long Island
Sun 9/6
10:57 am-6:25 pm
1 stop8h 28m
$300
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Tue 9/22
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Sat 9/26
7:00 am-1:45 pm
1 stop7h 45m
$319
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
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 21, 2026.
Wisconsin and Islip flights
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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 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$274 | Average$379 | FlexibilityNo cancel fee | On-time63% |