$117+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ISP
Oct 2 — Oct 91
Round-trip
1 adult, Economy
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Find cheap flights from Wisconsin to Islip with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from 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 September 2, 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 September 2, 2026.
This Frontier deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:26 am -
1 stop8h 34m
Fri 10/236:55 pm -
1 stop13h 56m
Deal found 9/2![Frontier logo]()
$236
This Trip.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/23:50 pm -
1 stop24h 08m
Mon 10/126:55 pm -
1 stop13h 56m
Deal found 9/1![Frontier logo]()
$257
This Trip.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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.
Tue 9/153:50 pm -
1 stop24h 08m
Sat 9/195:43 pm -
1 stop17h 37m
Deal found 8/31![Frontier logo]()
$278
This Frontier deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/228:26 am -
1 stop8h 04m
Fri 10/236:55 pm -
1 stop13h 56m
Deal found 8/30![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/228:26 am -
1 stop8h 04m
Sun 10/256:25 pm -
1 stop14h 06m
Deal found 8/31![Frontier logo]()
$281
This CheapOair deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 9/253:50 pm -
1 stop24h 08m
Sun 9/275:43 pm -
1 stop17h 37m
Deal found 9/1![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/98:26 am -
1 stop8h 34m
Mon 10/126:55 pm -
1 stop13h 56m
Deal found 8/28![Frontier logo]()
$298
This Frontier deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:26 am -
1 stop8h 04m
Mon 10/196:55 pm -
1 stop13h 56m
Deal found 8/28![Frontier logo]()
$299
This Frontier deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/168:26 am -
1 stop8h 34m
Sun 10/186:25 pm -
1 stop14h 06m
Deal found 9/1![Frontier logo]()
$301
This Trip.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 9/113:50 pm -
1 stop24h 08m
Sun 9/135:43 pm -
1 stop17h 37m
Deal found 8/28![Frontier logo]()
$308
This Frontier deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/98:26 am -
1 stop8h 34m
Thu 10/156:25 pm -
1 stop14h 06m
Deal found 8/31![Frontier logo]()
$309
This Frontier deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 8/28![Frontier logo]()
$310
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 September 2, 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 September 2, 2026.
This Frontier deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/98:26 am -
1 stop8h 34m
Mon 10/126:55 pm -
1 stop13h 56m
Deal found 8/28![Frontier logo]()
$298
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/212:45 pm -
2 stops9h 00m
Sat 11/73:30 pm -
1 stop7h 05m
Deal found 8/31![Southwest logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am -
1 stop8h 58m
Wed 9/1612:00 pm -
2 stops13h 08m
Deal found 8/28![Multiple Airlines logo]()
$434
This JetBlue deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/293:00 pm -
1 stop7h 22m
Tue 10/67:00 am -
1 stop7h 47m
Deal found 8/30![JetBlue logo]()
$527
This Frontier deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/168:26 am -
1 stop8h 34m
Sun 10/186:25 pm -
1 stop14h 06m
Deal found 8/30![Frontier logo]()
$301
This Frontier deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:26 am -
1 stop8h 04m
Sun 10/186:25 pm -
1 stop14h 06m
Deal found 8/28![Frontier logo]()
$311
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/26:55 am -
1 stop3h 50m
Sun 11/85:40 pm -
1 stop6h 50m
Deal found 8/31![Southwest logo]()
$360
This Frontier deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/98:26 am -
1 stop8h 34m
Sun 10/116:25 pm -
1 stop14h 06m
Deal found 8/29![Frontier logo]()
$311
This Southwest deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 12/76:35 am -
1 stop8h 40m
Fri 12/115:40 pm -
1 stop6h 50m
Deal found 8/29![Southwest logo]()
$376
This KAYAK deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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.
Sat 12/1210:33 am -
2 stops29h 15m
Mon 1/183:02 pm -
2 stops20h 23m
Deal found 9/2![Breeze Airways logo]()
$853
This Frontier deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/98:26 am -
1 stop8h 34m
Thu 10/156:25 pm -
1 stop14h 06m
Deal found 8/28![Frontier logo]()
$330
This Southwest deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 45m
Tue 10/204:20 pm -
2 stops6h 50m
Deal found 8/28![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:55 am -
1 stop3h 50m
Sat 11/215:05 pm -
1 stop7h 20m
Deal found 8/30![Southwest logo]()
$392
This JetBlue deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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
Mon 10/57:00 am -
1 stop7h 47m
Deal found 9/1![JetBlue logo]()
$527
This JetBlue deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 8/30![JetBlue logo]()
$527
This Southwest deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 9/181:55 pm -
1 stop6h 40m
Mon 9/214:05 pm -
1 stop5h 40m
Deal found 8/29![Southwest logo]()
$404
This JetBlue deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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
Sat 9/267:00 am -
1 stop7h 45m
Deal found 8/29![JetBlue logo]()
$547
This Southwest deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 9/286:45 am -
1 stop4h 50m
Mon 10/55:40 pm -
1 stop7h 35m
Deal found 8/29![Southwest logo]()
$411
This JetBlue deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/293:00 pm -
1 stop7h 22m
Mon 10/57:00 am -
1 stop7h 47m
Deal found 8/30![JetBlue logo]()
$559
This Frontier deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2811:38 am -
1 stop6h 28m
Thu 12/39:56 am -
1 stop7h 42m
Deal found 9/2![Frontier logo]()
$524
This Southwest deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 11/2611:00 am -
1 stop4h 50m
Fri 11/275:35 am -
2 stops7h 10m
Deal found 8/28![Southwest logo]()
$449
This KAYAK deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Sat 11/1410:33 am -
2 stops30h 00m
Sun 11/157:45 pm -
2 stops39h 05m
Deal found 8/30![Breeze Airways logo]()
$878
This KAYAK deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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.
Sun 12/136:10 pm -
2 stops19h 12m
Mon 1/183:02 pm -
2 stops20h 23m
Deal found 9/2![Breeze Airways logo]()
$898
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/153:30 pm -
1 stop4h 40m
Sat 9/193:15 pm -
1 stop4h 35m
Deal found 8/31![Southwest logo]()
$517
This KAYAK deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/16:00 pm -
2 stops40h 20m
Mon 10/53:02 pm -
2 stops24h 03m
Deal found 9/2![Breeze Airways logo]()
$918
This Southwest deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 9/128:55 am -
2 stops10h 55m
Wed 9/1610:55 am -
2 stops8h 50m
Deal found 8/28![Southwest logo]()
$527
This KAYAK deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/16:00 pm -
2 stops40h 20m
Sun 10/47:45 pm -
3 stops43h 20m
Deal found 9/2![Breeze Airways logo]()
$923
This Southwest deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/152:55 pm -
1 stop7h 45m
Sun 10/185:40 am -
2 stops10h 50m
Deal found 9/1![Southwest logo]()
$553
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/123:25 pm -
1 stop4h 25m
Sat 9/193:15 pm -
1 stop6h 25m
Deal found 8/31![Southwest logo]()
$595
This KAYAK deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 12/246:10 pm -
2 stops19h 12m
Mon 12/283:02 pm -
2 stops26h 22m
Deal found 8/30![Breeze Airways logo]()
$1,288
Last-minute flights from Wisconsin to IslipDiscover last-minute flight deals from Wisconsin to Islip. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Islip. Data last updated September 2, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 8/28![Frontier logo]()
$310
This Trip.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 9/113:50 pm -
1 stop24h 08m
Sun 9/135:43 pm -
1 stop17h 37m
Deal found 8/28![Frontier logo]()
$308
This Trip.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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.
Tue 9/153:50 pm -
1 stop24h 08m
Sat 9/195:43 pm -
1 stop17h 37m
Deal found 8/31![Frontier logo]()
$278
This CheapOair deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 9/253:50 pm -
1 stop24h 08m
Sun 9/275:43 pm -
1 stop17h 37m
Deal found 9/1![Frontier logo]()
$290
This Trip.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/23:50 pm -
1 stop24h 08m
Mon 10/126:55 pm -
1 stop13h 56m
Deal found 9/1![Frontier logo]()
$257
This Frontier deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/98:26 am -
1 stop8h 34m
Mon 10/126:55 pm -
1 stop13h 56m
Deal found 8/28![Frontier logo]()
$298
This Frontier deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/98:26 am -
1 stop8h 34m
Thu 10/156:25 pm -
1 stop14h 06m
Deal found 8/31![Frontier logo]()
$309
This Frontier deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:26 am -
1 stop8h 04m
Mon 10/196:55 pm -
1 stop13h 56m
Deal found 8/28![Frontier logo]()
$299
This Frontier deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/168:26 am -
1 stop8h 34m
Sun 10/186:25 pm -
1 stop14h 06m
Deal found 9/1![Frontier logo]()
$301
This Frontier deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:26 am -
1 stop8h 34m
Fri 10/236:55 pm -
1 stop13h 56m
Deal found 9/2![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/228:26 am -
1 stop8h 04m
Fri 10/236:55 pm -
1 stop13h 56m
Deal found 8/30![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/228:26 am -
1 stop8h 04m
Sun 10/256:25 pm -
1 stop14h 06m
Deal found 8/31![Frontier logo]()
$281
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 September 2, 2026.
Search for one-way flight options from Wisconsin to Islip. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This Expedia deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/163:50 pm -
1 stop24h 08m
Deal found 8/31![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:51 am -
1 stop7h 05m
Deal found 9/1![Frontier logo]()
$118
This Jetabroad deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 9/153:50 pm -
1 stop24h 08m
Deal found 8/29![Frontier logo]()
$120
This CheapOair deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:50 pm -
1 stop24h 08m
Deal found 9/1![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 11/2011:38 am -
1 stop6h 28m
Deal found 8/30![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:45 pm -
2 stops27h 13m
Deal found 8/30![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:46 am -
1 stop7h 44m
Deal found 8/28![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:26 am -
1 stop8h 04m
Deal found 9/1![Frontier logo]()
$131
This Jetabroad deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Thu 10/2210:15 am -
1 stop6h 15m
Deal found 8/30![Frontier logo]()
$132
This Expedia deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/168:11 pm -
1 stop20h 19m
Deal found 8/30![Frontier logo]()
$137
This CheapOair deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/183:50 pm -
1 stop24h 08m
Deal found 8/30![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:45 pm -
3 stops21h 35m
Deal found 8/30![Multiple Airlines logo]()
$142
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 September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $236 (Frontier) |
One-way from | $117 (Expedia) |
Popular in | November |
Cheapest in | January |
Average price | $369 |
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 September 2, 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
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Fri 10/9
8:26 am-6:00 pm
1 stop8h 34m
Islip Long Island
Mon 10/12
6:55 pm-7:51 am
1 stop13h 56m
$298
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Fri 10/16
8:26 am-6:00 pm
1 stop8h 34m
Islip Long Island
Sun 10/18
6:25 pm-7:31 am
1 stop14h 06m
$301
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Thu 10/15
8:26 am-5:30 pm
1 stop8h 04m
Islip Long Island
Sun 10/18
6:25 pm-7:31 am
1 stop14h 06m
$311
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Fri 10/9
8:26 am-6:00 pm
1 stop8h 34m
Islip Long Island
Sun 10/11
6:25 pm-7:31 am
1 stop14h 06m
$311
MilwaukeeIslip
MKE Milwaukee-Mitchell - ISP Islip Long Island
MKEISP
Milwaukee-Mitchell
Mon 11/2
12:45 pm-10:45 pm
2 stops9h 00m
Islip Long Island
Sat 11/7
3:30 pm-9:35 pm
1 stop7h 05m
$322
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Fri 10/9
8:26 am-6:00 pm
1 stop8h 34m
Islip Long Island
Thu 10/15
6:25 pm-7:31 am
1 stop14h 06m
$330
MilwaukeeIslip
MKE Milwaukee-Mitchell - ISP Islip Long Island
MKEISP
Milwaukee-Mitchell
Mon 11/2
6:55 am-11:45 am
1 stop3h 50m
Islip Long Island
Sun 11/8
5:40 pm-11:30 pm
1 stop6h 50m
$360
MilwaukeeIslip
MKE Milwaukee-Mitchell - ISP Islip Long Island
MKEISP
Milwaukee-Mitchell
Mon 12/7
6:35 am-4:15 pm
1 stop8h 40m
Islip Long Island
Fri 12/11
5:40 pm-11:30 pm
1 stop6h 50m
$376
MinneapolisIslip
MSP Minneapolis St Paul - ISP Islip Long Island
MSPISP
Minneapolis St Paul
Wed 10/14
2:55 pm-10:40 pm
1 stop6h 45m
Islip Long Island
Tue 10/20
4:20 pm-10:10 pm
2 stops6h 50m
$382
MilwaukeeIslip
MKE Milwaukee-Mitchell - ISP Islip Long Island
MKEISP
Milwaukee-Mitchell
Fri 11/20
6:55 am-11:45 am
1 stop3h 50m
Islip Long Island
Sat 11/21
5:05 pm-11:25 pm
1 stop7h 20m
$392
Showing 1-10 of 60 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
MSP-ISP
MKE-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
ORD-ISP
MSP-ISP
MKE-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
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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 September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$274 | Average$379 | FlexibilityNo cancel fee | On-time63% |