$85+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ISP
May 26 — Jun 21
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 April 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 April 26, 2026.
This CheapOair deal was found by Cheapflights users on 4/20. 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.
Thu 5/285:11 pm
ORD
- ISP
1 stop15h 54m
Frontier
Mon 6/111:00 am
ISP
- ORD
1 stop13h 13m
Frontier
Deal found 4/20![Frontier logo]()
$180
This Expedia deal was found by Cheapflights users on 4/24. 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.
Sat 5/95:30 pm
ORD
- ISP
1 stop15h 57m
Frontier
Wed 5/1311:00 am
ISP
- ORD
1 stop13h 13m
Frontier
Deal found 4/24![Frontier logo]()
$201
This CheapOair deal was found by Cheapflights users on 4/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:30 pm
ORD
- ISP
1 stop15h 35m
Frontier
Sun 5/1711:12 am
ISP
- ORD
1 stop13h 01m
Frontier
Deal found 4/25![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:15 am
ORD
- ISP
2 stops25h 50m
Frontier
Sat 5/911:00 am
ISP
- ORD
1 stop13h 13m
Frontier
Deal found 4/20![Frontier logo]()
$258
This CheapOair deal was found by Cheapflights users on 4/21. 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.
Thu 5/145:30 pm
ORD
- ISP
1 stop15h 35m
Frontier
Sun 5/1711:12 am
ISP
- ORD
1 stop13h 01m
Frontier
Deal found 4/21![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:55 pm
ORD
- ISP
1 stop17h 10m
Multiple Airlines
Sat 5/911:00 am
ISP
- ORD
1 stop12h 14m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$273
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:05 pm
ORD
- ISP
1 stop18h 08m
Frontier
Thu 4/308:31 pm
ISP
- ORD
1 stop28h 27m
Frontier
Deal found 4/22![Frontier logo]()
$275
This Southwest deal was found by Cheapflights users on 4/22. 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 6/95:25 pm
MKE
- ISP
1 stop4h 10m
Southwest
Tue 6/164:40 pm
ISP
- MKE
1 stop6h 40m
Southwest
Deal found 4/22![Southwest logo]()
$280
This Southwest deal was found by Cheapflights users on 4/22. 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 6/56:45 pm
MKE
- ISP
1 stop3h 50m
Southwest
Tue 6/912:25 pm
ISP
- MKE
1 stop5h 05m
Southwest
Deal found 4/22![Southwest logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Fri 6/51:50 pm
ORD
- ISP
2 stops19h 25m
Multiple Airlines
Tue 6/94:41 pm
ISP
- ORD
1 stop30h 33m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Fri 5/225:11 pm
ORD
- ISP
1 stop15h 54m
Frontier
Tue 5/266:02 pm
ISP
- ORD
2 stops38h 53m
Frontier
Deal found 4/21![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:55 pm
ORD
- ISP
1 stop17h 10m
Multiple Airlines
Fri 5/82:28 pm
ISP
- ORD
2 stops22h 55m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$322
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 April 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 April 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:09 pm
MKE
- ISP
2 stops20h 56m
Frontier
Wed 6/1010:48 am
ISP
- MKE
1 stop22h 10m
Frontier
Deal found 4/20![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:55 pm
ORD
- ISP
1 stop17h 10m
Multiple Airlines
Sat 5/911:00 am
ISP
- ORD
1 stop12h 14m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 4/20. 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.
Thu 6/412:25 pm
MKE
- ISP
2 stops10h 15m
Southwest
Tue 6/94:40 pm
ISP
- MKE
2 stops7h 30m
Southwest
Deal found 4/20![Southwest logo]()
$279
This Southwest deal was found by Cheapflights users on 4/22. 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 6/56:45 pm
MKE
- ISP
1 stop3h 50m
Southwest
Tue 6/912:25 pm
ISP
- MKE
1 stop5h 05m
Southwest
Deal found 4/22![Southwest logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Fri 5/225:11 pm
ORD
- ISP
1 stop15h 54m
Frontier
Tue 5/266:02 pm
ISP
- ORD
2 stops38h 53m
Frontier
Deal found 4/21![Frontier logo]()
$310
This Southwest deal was found by Cheapflights users on 4/22. 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 6/95:10 am
MKE
- ISP
2 stops9h 50m
Southwest
Tue 6/164:40 pm
ISP
- MKE
2 stops7h 30m
Southwest
Deal found 4/22![Southwest logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:55 pm
ORD
- ISP
1 stop17h 10m
Multiple Airlines
Fri 5/88:31 pm
ISP
- ORD
1 stop20h 51m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Fri 5/85:30 pm
ORD
- ISP
1 stop15h 35m
Multiple Airlines
Tue 5/125:27 pm
ISP
- ORD
2 stops27h 24m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 4/20. 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 6/56:45 pm
MKE
- ISP
1 stop3h 50m
Southwest
Sun 6/75:20 pm
ISP
- MKE
1 stop6h 20m
Southwest
Deal found 4/20![Southwest logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Sat 5/92:22 pm
MSP
- ISP
2 stops19h 05m
Multiple Airlines
Wed 5/132:33 pm
ISP
- MSP
1 stop25h 08m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 4/21. 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.
Thu 5/213:30 pm
MKE
- ISP
1 stop7h 00m
Southwest
Thu 5/285:10 pm
ISP
- MKE
1 stop6h 45m
Southwest
Deal found 4/21![Southwest logo]()
$336
This Trip.com deal was found by Cheapflights users on 4/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:25 pm
ORD
- ISP
1 stop15h 38m
Frontier
Mon 6/2210:48 am
ISP
- ORD
1 stop13h 31m
Frontier
Deal found 4/25![Frontier logo]()
$438
This KAYAK deal was found by Cheapflights users on 4/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:54 am
MSN
- ISP
2 stops30h 16m
Breeze Airways
Tue 6/232:08 pm
ISP
- MSN
2 stops20h 06m
Breeze Airways
Deal found 4/21![Breeze Airways logo]()
$1,009
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2112:25 pm
MSP
- ISP
1 stop20h 40m
Multiple Airlines
Thu 5/2811:00 am
ISP
- MSP
2 stops33h 22m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:10 am
MSP
- ISP
2 stops25h 53m
Multiple Airlines
Wed 7/1511:57 am
ISP
- MSP
1 stop10h 02m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 4/21. 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.
Tue 5/265:55 am
ORD
- ISP
2 stops11h 35m
Southwest
Thu 5/286:00 am
ISP
- ORD
2 stops9h 20m
Southwest
Deal found 4/21![Southwest logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 6/158:30 am
ORD
- ISP
1 stop9h 35m
Multiple Airlines
Fri 6/197:50 pm
ISP
- ORD
2 stops37h 13m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 4/22. 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.
Wed 7/85:45 am
MSP
- ISP
1 stop7h 00m
Southwest
Wed 7/156:00 am
ISP
- MSP
1 stop10h 05m
Southwest
Deal found 4/22![Southwest logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Fri 6/126:40 am
MSP
- ISP
1 stop11h 25m
Multiple Airlines
Mon 6/152:28 pm
ISP
- MSP
2 stops25h 34m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$403
This Southwest deal was found by Cheapflights users on 4/23. 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.
Thu 10/110:20 am
MKE
- ISP
1 stop6h 00m
Southwest
Sun 10/45:35 am
ISP
- MKE
1 stop6h 00m
Southwest
Deal found 4/23![Southwest logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Fri 6/265:25 pm
ORD
- ISP
1 stop15h 38m
Multiple Airlines
Sun 7/57:49 pm
ISP
- ORD
2 stops44h 38m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 4/24. 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.
Sat 5/92:55 pm
MKE
- ISP
2 stops7h 25m
Southwest
Wed 5/135:15 pm
ISP
- MKE
1 stop6h 35m
Southwest
Deal found 4/24![Southwest logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:16 am
ORD
- ISP
1 stop28h 40m
Multiple Airlines
Fri 7/311:00 pm
ISP
- ORD
2 stops11h 08m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 4/21. 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.
Fri 7/106:00 pm
MSP
- ISP
1 stop4h 35m
Southwest
Wed 7/152:55 pm
ISP
- MSP
2 stops8h 50m
Southwest
Deal found 4/21![Southwest logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 6/158:30 am
ORD
- ISP
1 stop9h 35m
Multiple Airlines
Sun 6/216:46 pm
ISP
- ORD
2 stops45h 41m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 4/22. 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.
Thu 5/72:40 pm
ORD
- ISP
2 stops7h 50m
Southwest
Mon 5/116:00 am
ISP
- ORD
2 stops7h 50m
Southwest
Deal found 4/22![Southwest logo]()
$443
This KAYAK deal was found by Cheapflights users on 4/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:50 pm
MSN
- ISP
3 stops45h 20m
Breeze Airways
Fri 5/152:28 pm
ISP
- MSN
2 stops19h 46m
Breeze Airways
Deal found 4/21![Breeze Airways logo]()
$1,123
This Southwest deal was found by Cheapflights users on 4/22. 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.
Thu 8/66:45 am
MSP
- ISP
1 stop4h 50m
Southwest
Thu 8/64:05 pm
ISP
- MSP
1 stop7h 00m
Southwest
Deal found 4/22![Southwest logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sun 6/211:55 pm
MSP
- ISP
2 stops19h 08m
Multiple Airlines
Sat 6/2711:57 am
ISP
- MSP
1 stop11h 46m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$500
This Southwest deal was found by Cheapflights users on 4/22. 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 6/126:00 pm
MSP
- ISP
1 stop4h 35m
Southwest
Fri 6/195:50 pm
ISP
- MSP
1 stop7h 00m
Southwest
Deal found 4/22![Southwest logo]()
$477
Last-minute flights from Wisconsin to IslipDiscover last-minute flight deals from Wisconsin to Islip. Data last updated April 26, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Islip. Data last updated April 26, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:05 pm
ORD
- ISP
1 stop18h 08m
Frontier
Thu 4/308:31 pm
ISP
- ORD
1 stop28h 27m
Frontier
Deal found 4/22![Frontier logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:15 am
ORD
- ISP
2 stops25h 50m
Frontier
Sat 5/911:00 am
ISP
- ORD
1 stop13h 13m
Frontier
Deal found 4/20![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:55 pm
ORD
- ISP
1 stop17h 10m
Multiple Airlines
Sat 5/911:00 am
ISP
- ORD
1 stop12h 14m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:55 pm
ORD
- ISP
1 stop17h 10m
Multiple Airlines
Fri 5/82:28 pm
ISP
- ORD
2 stops22h 55m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Fri 5/85:30 pm
ORD
- ISP
1 stop15h 35m
Frontier
Tue 5/125:38 pm
ISP
- ORD
1 stop30h 35m
Frontier
Deal found 4/23![Frontier logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Fri 5/85:30 pm
ORD
- ISP
1 stop15h 35m
Multiple Airlines
Mon 5/112:28 pm
ISP
- ORD
2 stops30h 23m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$325
This Expedia deal was found by Cheapflights users on 4/24. 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.
Sat 5/95:30 pm
ORD
- ISP
1 stop15h 57m
Frontier
Wed 5/1311:00 am
ISP
- ORD
1 stop13h 13m
Frontier
Deal found 4/24![Frontier logo]()
$201
This CheapOair deal was found by Cheapflights users on 4/21. 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.
Thu 5/145:30 pm
ORD
- ISP
1 stop15h 35m
Frontier
Sun 5/1711:12 am
ISP
- ORD
1 stop13h 01m
Frontier
Deal found 4/21![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 4/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:30 pm
ORD
- ISP
1 stop15h 35m
Frontier
Sun 5/1711:12 am
ISP
- ORD
1 stop13h 01m
Frontier
Deal found 4/25![Frontier logo]()
$246
This Southwest deal was found by Cheapflights users on 4/21. 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.
Thu 5/213:30 pm
MKE
- ISP
1 stop7h 00m
Southwest
Thu 5/285:10 pm
ISP
- MKE
1 stop6h 45m
Southwest
Deal found 4/21![Southwest logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Fri 5/225:11 pm
ORD
- ISP
1 stop15h 54m
Frontier
Tue 5/266:02 pm
ISP
- ORD
2 stops38h 53m
Frontier
Deal found 4/21![Frontier logo]()
$310
This CheapOair deal was found by Cheapflights users on 4/20. 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.
Thu 5/285:11 pm
ORD
- ISP
1 stop15h 54m
Frontier
Mon 6/111:00 am
ISP
- ORD
1 stop13h 13m
Frontier
Deal found 4/20![Frontier logo]()
$180
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 April 26, 2026.
Search for one-way flight options from Wisconsin to Islip. Find affordable one-way fares based on user searches. Data last updated April 26, 2026.
This Trip.com deal was found by Cheapflights users on 4/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:11 pm
ORD
- ISP
1 stop15h 54m
Frontier
Deal found 4/20![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:55 pm
ORD
- ISP
1 stop17h 32m
Frontier
Deal found 4/22![Frontier logo]()
$88
This Priceline deal was found by Cheapflights users on 4/21. 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.
Tue 6/28:46 am
MKE
- ISP
1 stop7h 31m
Frontier
Deal found 4/21![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Tue 5/191:59 pm
ORD
- ISP
2 stops19h 06m
Frontier
Deal found 4/21![Frontier logo]()
$106
This Trip.com deal was found by Cheapflights users on 4/21. 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 5/115:30 pm
ORD
- ISP
1 stop16h 30m
Frontier
Deal found 4/21![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Fri 5/155:30 pm
ORD
- ISP
1 stop15h 35m
Frontier
Deal found 4/21![Frontier logo]()
$121
This Southwest deal was found by Cheapflights users on 4/21. 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.
Tue 6/27:50 am
MKE
- ISP
2 stops9h 40m
Southwest
Deal found 4/21![Southwest logo]()
$129
This Southwest deal was found by Cheapflights users on 4/21. 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.
Tue 6/21:35 pm
ORD
- ISP
1 stop8h 05m
Southwest
Deal found 4/21![Southwest logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 6/35:11 pm
ORD
- ISP
1 stop15h 54m
Frontier
Deal found 4/21![Frontier logo]()
$137
This CheapOair deal was found by Cheapflights users on 4/20. 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 6/265:25 pm
ORD
- ISP
1 stop15h 38m
Frontier
Deal found 4/20![Frontier logo]()
$141
This Southwest deal was found by Cheapflights users on 4/22. 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.
Wed 5/1310:40 am
MSP
- ISP
1 stop6h 50m
Southwest
Deal found 4/22![Southwest logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Fri 6/512:09 pm
MKE
- ISP
2 stops20h 56m
Frontier
Deal found 4/21![Frontier logo]()
$152
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 April 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $180 (CheapOair) |
One-way from | $85 (Trip.com) |
Popular in | April |
Cheapest in | January |
Average price | $399 |
Cheapflights Fare Finder
Customize your flight search to find flights from Wisconsin to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 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 - ISP
MKEISP
Milwaukee-Mitchell
Fri 6/5
12:09 pm-10:05 am
2 stops20h 56m
Islip Long Island
Wed 6/10
10:48 am-7:58 am
1 stop22h 10m
$252
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Tue 5/5
3:55 pm-10:05 am
1 stop17h 10m
Islip Long Island
Sat 5/9
11:00 am-10:14 pm
1 stop12h 14m
$273
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Thu 6/4
12:25 pm-11:40 pm
2 stops10h 15m
Islip Long Island
Tue 6/9
4:40 pm-11:10 pm
2 stops7h 30m
$279
Quickest round-trip
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Fri 6/5
6:45 pm-11:35 pm
1 stop3h 50m
Islip Long Island
Tue 6/9
12:25 pm-4:30 pm
1 stop5h 05m
$285
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Tue 6/9
5:10 am-4:00 pm
2 stops9h 50m
Islip Long Island
Tue 6/16
4:40 pm-11:10 pm
2 stops7h 30m
$305
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Fri 5/22
5:11 pm-10:05 am
1 stop15h 54m
Islip Long Island
Tue 5/26
6:02 pm-7:55 am
2 stops38h 53m
$310
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Fri 6/5
6:45 pm-11:35 pm
1 stop3h 50m
Islip Long Island
Sun 6/7
5:20 pm-10:40 pm
1 stop6h 20m
$313
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Thu 5/21
3:30 pm-11:30 pm
1 stop7h 00m
Islip Long Island
Thu 5/28
5:10 pm-10:55 pm
1 stop6h 45m
$336
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Tue 5/5
3:55 pm-10:05 am
1 stop17h 10m
Islip Long Island
Fri 5/8
8:31 pm-4:22 pm
1 stop20h 51m
$339
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Fri 5/8
5:30 pm-10:05 am
1 stop15h 35m
Islip Long Island
Tue 5/12
5:27 pm-7:51 pm
2 stops27h 24m
$343
Showing 1-10 of 54 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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Alternative routes for Wisconsin to Islip
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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 April 26, 2026.
Wisconsin and Islip flights
Browse other Wisconsin and Islip flight options. Last updated on April 26, 2026.
Popular flight searches
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Wisconsin to Islip flights
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Top airline flying from Wisconsin to Islip
Discover the top airline that operate flights from Wisconsin to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$232 | Average$367 | FlexibilityNo cancel fee | On-time63% |