$126+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ISP
Aug 31 — Sep 71
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 August 1, 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 1, 2026.
This Frontier deal was found by Cheapflights users on 7/30. 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 9/37:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
Sat 9/510:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/30![Frontier logo]()
$213
This Frontier deal was found by Cheapflights users on 8/1. 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.
Mon 8/249:10 pm
ORD
- ISP
1 stop11h 43m
Frontier
Thu 8/2710:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 8/1![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 7/29. 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.
Thu 9/37:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
Sun 9/610:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/29![Frontier logo]()
$245
This Frontier deal was found by Cheapflights users on 7/31. 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.
Mon 8/249:10 pm
ORD
- ISP
1 stop11h 43m
Frontier
Fri 8/2810:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/31![Frontier logo]()
$247
This Trip.com deal was found by Cheapflights users on 8/1. 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.
Thu 9/103:50 pm
ORD
- ISP
1 stop24h 08m
Frontier
Sat 9/125:43 pm
ISP
- ORD
1 stop17h 37m
Frontier
Deal found 8/1![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 7/31. 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 8/277:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
Sun 8/3010:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/31![Frontier logo]()
$257
This Frontier deal was found by Cheapflights users on 7/30. 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 9/37:10 pm
MSP
- ISP
1 stop13h 43m
Frontier
Sun 9/610:57 am
ISP
- MSP
1 stop8h 28m
Frontier
Deal found 7/30![Frontier logo]()
$259
This Expedia deal was found by Cheapflights users on 7/30. 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.
Tue 9/17:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
Tue 9/810:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/30![Frontier logo]()
$261
This Frontier deal was found by Cheapflights users on 7/28. 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 8/207:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
Sun 8/2310:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/28![Frontier logo]()
$265
This Frontier deal was found by Cheapflights users on 7/31. 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 8/289:10 pm
ORD
- ISP
1 stop11h 43m
Frontier
Sun 8/3010:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/31![Frontier logo]()
$268
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:50 pm
ORD
- ISP
1 stop24h 08m
Frontier
Sat 9/195:43 pm
ISP
- ORD
1 stop17h 37m
Frontier
Deal found 7/29![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:50 pm
ORD
- ISP
1 stop24h 08m
Frontier
Mon 9/215:43 pm
ISP
- ORD
1 stop30h 16m
Frontier
Deal found 7/31![Frontier logo]()
$271
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 1, 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 1, 2026.
This Frontier deal was found by Cheapflights users on 7/31. 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.
Mon 8/249:10 pm
ORD
- ISP
1 stop11h 43m
Frontier
Fri 8/2810:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/31![Frontier logo]()
$247
This JetBlue deal was found by Cheapflights users on 7/31. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
Sun 9/137:00 am
ISP
- ORD
1 stop7h 45m
JetBlue
Deal found 7/31![JetBlue logo]()
$309
This Southwest deal was found by Cheapflights users on 7/29. 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.
Wed 8/196:05 am
MKE
- ISP
1 stop7h 50m
Southwest
Mon 8/244:05 pm
ISP
- MKE
1 stop5h 35m
Southwest
Deal found 7/29![Southwest logo]()
$331
This Frontier deal was found by Cheapflights users on 8/1. 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 9/47:10 pm
MSP
- ISP
1 stop13h 43m
Frontier
Sun 9/610:57 am
ISP
- MSP
1 stop8h 28m
Frontier
Deal found 8/1![Frontier logo]()
$285
This JetBlue deal was found by Cheapflights users on 8/1. 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.
Tue 9/153:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
Tue 9/227:00 am
ISP
- ORD
1 stop7h 45m
JetBlue
Deal found 8/1![JetBlue logo]()
$309
This Southwest deal was found by Cheapflights users on 7/29. 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.
Wed 9/303:30 pm
MSP
- ISP
1 stop4h 40m
Southwest
Sat 10/36:15 am
ISP
- MSP
1 stop6h 30m
Southwest
Deal found 7/29![Southwest logo]()
$339
This JetBlue deal was found by Cheapflights users on 7/30. 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 10/63:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
Wed 10/77:00 am
ISP
- ORD
1 stop7h 47m
JetBlue
Deal found 7/30![JetBlue logo]()
$309
This JetBlue deal was found by Cheapflights users on 8/1. 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
ORD
- ISP
1 stop7h 22m
JetBlue
Sun 10/47:00 am
ISP
- ORD
1 stop7h 45m
JetBlue
Deal found 8/1![JetBlue logo]()
$309
This Southwest deal was found by Cheapflights users on 7/29. 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.
Wed 9/27:15 am
MSP
- ISP
2 stops8h 40m
Southwest
Sun 9/64:15 pm
ISP
- MSP
2 stops8h 05m
Southwest
Deal found 7/29![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/196:05 am
MKE
- ISP
1 stop7h 50m
Southwest
Sat 8/2211:55 am
ISP
- MKE
2 stops7h 30m
Southwest
Deal found 7/27![Southwest logo]()
$375
This KAYAK deal was found by Cheapflights users on 7/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:27 am
MSN
- ISP
2 stops29h 43m
Breeze Airways
Mon 8/248:43 pm
ISP
- MSN
3 stops38h 04m
Breeze Airways
Deal found 7/29![Breeze Airways logo]()
$909
This JetBlue deal was found by Cheapflights users on 7/31. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
Fri 9/117:00 am
ISP
- ORD
1 stop7h 45m
JetBlue
Deal found 7/31![JetBlue logo]()
$368
This United deal was found by Cheapflights users on 7/29. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:30 am
MSN
- ISP
2 stops11h 05m
Multiple Airlines
Wed 8/197:31 am
ISP
- MSN
2 stops8h 28m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$989
This Southwest deal was found by Cheapflights users on 7/28. 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 8/157:30 am
MKE
- ISP
1 stop6h 00m
Southwest
Sat 8/223:15 pm
ISP
- MKE
1 stop6h 20m
Southwest
Deal found 7/28![Southwest logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Tue 8/182:38 pm
MSP
- ISP
2 stops18h 15m
Frontier
Sun 8/237:09 pm
ISP
- MSP
1 stop24h 23m
Frontier
Deal found 7/28![Frontier logo]()
$489
This JetBlue deal was found by Cheapflights users on 7/31. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
Mon 9/217:00 am
ISP
- ORD
1 stop7h 45m
JetBlue
Deal found 7/31![JetBlue logo]()
$368
This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
Mon 9/287:00 am
ISP
- ORD
1 stop7h 45m
JetBlue
Deal found 7/28![JetBlue logo]()
$379
This Southwest deal was found by Cheapflights users on 7/29. 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.
Thu 9/35:45 am
MSP
- ISP
2 stops9h 40m
Southwest
Sun 9/64:15 pm
ISP
- MSP
2 stops8h 05m
Southwest
Deal found 7/29![Southwest logo]()
$420
This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
Sat 9/127:00 am
ISP
- ORD
1 stop7h 45m
JetBlue
Deal found 7/28![JetBlue logo]()
$379
This Southwest deal was found by Cheapflights users on 7/28. 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 8/126:05 am
MKE
- ISP
1 stop7h 50m
Southwest
Sun 8/166:20 am
ISP
- MKE
1 stop6h 50m
Southwest
Deal found 7/28![Southwest logo]()
$421
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:45 am
MSP
- ISP
1 stop4h 50m
Southwest
Tue 9/86:05 am
ISP
- MSP
1 stop8h 30m
Southwest
Deal found 7/27![Southwest logo]()
$433
This JetBlue deal was found by Cheapflights users on 7/29. 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.
Sat 9/123:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
Sat 9/197:00 am
ISP
- ORD
1 stop7h 45m
JetBlue
Deal found 7/29![JetBlue logo]()
$471
This Southwest deal was found by Cheapflights users on 7/28. 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.
Tue 8/186:00 am
MSP
- ISP
1 stop5h 10m
Southwest
Sun 8/236:20 am
ISP
- MSP
1 stop7h 30m
Southwest
Deal found 7/28![Southwest logo]()
$474
This KAYAK deal was found by Cheapflights users on 7/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:05 pm
MSN
- ISP
3 stops24h 04m
Breeze Airways
Sat 8/292:33 pm
ISP
- MSN
3 stops42h 52m
Breeze Airways
Deal found 7/28![Breeze Airways logo]()
$928
This Southwest deal was found by Cheapflights users on 7/31. 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.
Wed 9/97:15 am
MSP
- ISP
2 stops8h 45m
Southwest
Sun 9/134:35 pm
ISP
- MSP
2 stops6h 55m
Southwest
Deal found 7/31![Southwest logo]()
$483
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:27 am
MSN
- ISP
2 stops29h 43m
Breeze Airways
Wed 8/196:09 pm
ISP
- MSN
3 stops39h 16m
Breeze Airways
Deal found 7/29![Breeze Airways logo]()
$1,024
This Southwest deal was found by Cheapflights users on 7/29. 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 9/1812:15 pm
MSP
- ISP
1 stop8h 55m
Southwest
Sun 9/204:35 pm
ISP
- MSP
1 stop5h 40m
Southwest
Deal found 7/29![Southwest logo]()
$499
This KAYAK deal was found by Cheapflights users on 7/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:10 pm
MSN
- ISP
2 stops37h 49m
Breeze Airways
Sun 11/2910:57 am
ISP
- MSN
2 stops47h 53m
Breeze Airways
Deal found 7/29![Breeze Airways logo]()
$1,248
Last-minute flights from Wisconsin to IslipDiscover last-minute flight deals from Wisconsin to Islip. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Islip. Data last updated August 1, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/29. 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.
Sat 8/156:00 am
MKE
- ISP
1 stop6h 20m
Southwest
Wed 8/193:20 pm
ISP
- MKE
1 stop6h 35m
Southwest
Deal found 7/29![Southwest logo]()
$338
This Southwest deal was found by Cheapflights users on 7/29. 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.
Wed 8/196:05 am
MKE
- ISP
1 stop7h 50m
Southwest
Mon 8/244:05 pm
ISP
- MKE
1 stop5h 35m
Southwest
Deal found 7/29![Southwest logo]()
$331
This Frontier deal was found by Cheapflights users on 7/28. 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 8/207:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
Sun 8/2310:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/28![Frontier logo]()
$265
This Frontier deal was found by Cheapflights users on 7/30. 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 8/207:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
Tue 8/2510:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/30![Frontier logo]()
$281
This Frontier deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/219:10 pm
ORD
- ISP
1 stop11h 43m
Frontier
Sun 8/2310:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/27![Frontier logo]()
$278
This Frontier deal was found by Cheapflights users on 7/31. 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 8/219:10 pm
ORD
- ISP
1 stop11h 43m
Frontier
Mon 8/2410:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/31![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 8/1. 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.
Mon 8/249:10 pm
ORD
- ISP
1 stop11h 43m
Frontier
Thu 8/2710:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 8/1![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 7/31. 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.
Mon 8/249:10 pm
ORD
- ISP
1 stop11h 43m
Frontier
Fri 8/2810:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/31![Frontier logo]()
$247
This Southwest deal was found by Cheapflights users on 7/28. 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.
Tue 8/253:05 pm
MKE
- ISP
1 stop5h 00m
Southwest
Tue 9/13:20 pm
ISP
- MKE
1 stop6h 35m
Southwest
Deal found 7/28![Southwest logo]()
$304
This Frontier deal was found by Cheapflights users on 7/31. 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 8/277:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
Sun 8/3010:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/31![Frontier logo]()
$257
This Frontier deal was found by Cheapflights users on 7/31. 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 8/289:10 pm
ORD
- ISP
1 stop11h 43m
Frontier
Sun 8/3010:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/31![Frontier logo]()
$268
This Frontier deal was found by Cheapflights users on 7/29. 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 8/286:05 am
ORD
- ISP
1 stop11h 09m
Frontier
Mon 8/3110:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/29![Frontier logo]()
$283
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 1, 2026.
Search for one-way flight options from Wisconsin to Islip. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
This Frontier deal was found by Cheapflights users on 7/30. 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 8/207:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
Deal found 7/30![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
Deal found 7/27![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 7/31. 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 8/289:10 pm
ORD
- ISP
1 stop11h 43m
Frontier
Deal found 7/31![Frontier logo]()
$135
This Frontier deal was found by Cheapflights users on 7/30. 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 9/47:10 pm
MSP
- ISP
1 stop13h 43m
Frontier
Deal found 7/30![Frontier logo]()
$145
This JetBlue deal was found by Cheapflights users on 7/31. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
Deal found 7/31![JetBlue logo]()
$155
This Frontier deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/217:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
Deal found 7/27![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:11 am
ORD
- ISP
2 stops26h 17m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:30 am
ORD
- ISP
3 stops33h 18m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$187
This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
Deal found 7/28![JetBlue logo]()
$190
This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
Deal found 7/28![JetBlue logo]()
$192
This Expedia deal was found by Cheapflights users on 7/31. 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 11/187:00 am
ORD
- ISP
1 stop13h 37m
JetBlue
Deal found 7/31![JetBlue logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:10 am
MKE
- ISP
1 stop29h 48m
Frontier
Deal found 7/31![Frontier logo]()
$203
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 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $213 (Frontier) |
One-way from | $126 (Priceline) |
Popular in | November |
Cheapest in | January |
Average price | $372 |
Cheapflights Fare Finder
Customize your flight search to find flights from Wisconsin to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 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 - ISP
ORDISP
Chicago O'Hare Intl
Mon 8/24
9:10 pm-9:53 am
1 stop11h 43m
Islip Long Island
Fri 8/28
10:57 am-11:08 pm
1 stop13h 11m
$247
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
Fri 9/4
7:10 pm-9:53 am
1 stop13h 43m
Islip Long Island
Sun 9/6
10:57 am-6:25 pm
1 stop8h 28m
$285
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Fri 9/11
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Sun 9/13
7:00 am-1:45 pm
1 stop7h 45m
$309
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Tue 9/15
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Tue 9/22
7:00 am-1:45 pm
1 stop7h 45m
$309
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Tue 10/6
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Wed 10/7
7:00 am-1:47 pm
1 stop7h 47m
$309
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Thu 10/1
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Sun 10/4
7:00 am-1:45 pm
1 stop7h 45m
$309
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Wed 8/19
6:05 am-2:55 pm
1 stop7h 50m
Islip Long Island
Mon 8/24
4:05 pm-8:40 pm
1 stop5h 35m
$331
Quickest round-trip
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
Wed 9/30
3:30 pm-9:10 pm
1 stop4h 40m
Islip Long Island
Sat 10/3
6:15 am-11:45 am
1 stop6h 30m
$339
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
Wed 9/2
7:15 am-4:55 pm
2 stops8h 40m
Islip Long Island
Sun 9/6
4:15 pm-11:20 pm
2 stops8h 05m
$351
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Wed 9/9
3:00 pm-11:22 pm
1 stop7h 22m
Islip Long Island
Fri 9/11
7:00 am-1:45 pm
1 stop7h 45m
$368
Showing 1-10 of 55 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.
MSP-ISP
ORD-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
MSP-ISP
ORD-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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Consider these flights traveling from Wisconsin to Islip.
Top airline flying from Wisconsin to Islip
Discover the top airline that operate flights from Wisconsin to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$274 | Average$379 | FlexibilityNo cancel fee | On-time63% |