$139+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ISP
Jul 6 — Jul 131
Round-trip
1 adult, Economy
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Find cheap flights from Wisconsin to Islip with Cheapflights
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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 June 6, 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 June 6, 2026.
This Frontier deal was found by Cheapflights users on 6/2. 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.
Thu 6/258:53 am
MKE
- ISP
1 stop11h 04m
Frontier
Mon 6/299:52 pm
ISP
- MKE
1 stop11h 06m
Frontier
Deal found 6/2![Frontier logo]()
$268
This Booking.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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.
Tue 9/85:30 pm
ORD
- ISP
1 stop15h 03m
Frontier
Sat 9/124:13 pm
ISP
- ORD
1 stop8h 42m
Frontier
Deal found 6/4![Frontier logo]()
$270
This Booking.com deal was found by Cheapflights users on 6/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:49 pm
ORD
- ISP
1 stop15h 44m
Frontier
Wed 9/164:13 pm
ISP
- ORD
1 stop8h 42m
Frontier
Deal found 6/2![Frontier logo]()
$271
This Gotogate deal was found by Cheapflights users on 6/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:49 pm
ORD
- ISP
1 stop15h 44m
Frontier
Sun 9/274:13 pm
ISP
- ORD
1 stop8h 42m
Frontier
Deal found 6/1![Frontier logo]()
$318
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/288:43 am
MKE
- ISP
1 stop11h 14m
Frontier
Mon 6/299:52 pm
ISP
- MKE
1 stop11h 06m
Frontier
Deal found 6/3![Frontier logo]()
$318
This Booking.com deal was found by Cheapflights users on 6/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:59 pm
ORD
- ISP
1 stop16h 04m
Frontier
Wed 7/1510:57 am
ISP
- ORD
1 stop13h 13m
Frontier
Deal found 6/1![Frontier logo]()
$321
This Expedia deal was found by Cheapflights users on 6/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/254:59 pm
ORD
- ISP
1 stop26h 58m
Frontier
Mon 6/299:52 pm
ISP
- ORD
1 stop26h 27m
Frontier
Deal found 6/2![Frontier logo]()
$339
This Expedia deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/95:13 pm
ORD
- ISP
1 stop15h 40m
Multiple Airlines
Mon 7/136:00 am
ISP
- ORD
1 stop8h 39m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/36:45 pm
MKE
- ISP
1 stop3h 50m
Southwest
Fri 7/106:00 pm
ISP
- MKE
1 stop6h 55m
Southwest
Deal found 6/3![Southwest logo]()
$362
This JetBlue deal was found by Cheapflights users on 6/1. 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 9/12:35 pm
ORD
- ISP
1 stop7h 21m
JetBlue
Wed 9/26:00 am
ISP
- ORD
1 stop8h 39m
JetBlue
Deal found 6/1![JetBlue logo]()
$363
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/113:30 pm
MSP
- ISP
1 stop4h 35m
Southwest
Wed 8/1912:55 pm
ISP
- MSP
1 stop6h 10m
Southwest
Deal found 6/3![Southwest logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 8/75:13 pm
ORD
- ISP
1 stop15h 40m
Multiple Airlines
Tue 8/115:27 pm
ISP
- ORD
2 stops27h 26m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$368
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 June 6, 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 June 6, 2026.
This Booking.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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.
Tue 9/85:30 pm
ORD
- ISP
1 stop15h 03m
Frontier
Sat 9/124:13 pm
ISP
- ORD
1 stop8h 42m
Frontier
Deal found 6/4![Frontier logo]()
$270
This Expedia deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/95:13 pm
ORD
- ISP
1 stop15h 40m
Multiple Airlines
Mon 7/136:00 am
ISP
- ORD
1 stop8h 39m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$353
This JetBlue deal was found by Cheapflights users on 6/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:35 pm
ORD
- ISP
1 stop7h 21m
JetBlue
Wed 9/26:00 am
ISP
- ORD
1 stop8h 39m
JetBlue
Deal found 6/2![JetBlue logo]()
$363
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/36:45 pm
MKE
- ISP
1 stop3h 50m
Southwest
Fri 7/103:05 pm
ISP
- MKE
2 stops10h 05m
Southwest
Deal found 6/3![Southwest logo]()
$367
This Booking.com deal was found by Cheapflights users on 6/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:49 pm
ORD
- ISP
1 stop15h 44m
Frontier
Wed 9/164:13 pm
ISP
- ORD
1 stop8h 42m
Frontier
Deal found 6/2![Frontier logo]()
$271
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/288:43 am
MKE
- ISP
1 stop11h 14m
Frontier
Mon 6/299:52 pm
ISP
- MKE
1 stop11h 06m
Frontier
Deal found 6/3![Frontier logo]()
$318
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/1110:50 am
MSP
- ISP
2 stops9h 15m
Southwest
Wed 8/193:20 pm
ISP
- MSP
2 stops7h 40m
Southwest
Deal found 6/3![Southwest logo]()
$377
This KAYAK deal was found by Cheapflights users on 6/2. 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.
Fri 9/46:50 pm
MSN
- ISP
1 stop15h 27m
Breeze Airways
Thu 9/107:31 pm
ISP
- MSN
2 stops39h 22m
Breeze Airways
Deal found 6/2![Breeze Airways logo]()
$793
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 8/45:13 pm
ORD
- ISP
1 stop15h 40m
Multiple Airlines
Tue 8/115:27 pm
ISP
- ORD
2 stops27h 26m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$420
This Southwest deal was found by Cheapflights users on 6/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:45 am
MSP
- ISP
1 stop4h 50m
Southwest
Thu 8/204:05 pm
ISP
- MSP
1 stop7h 00m
Southwest
Deal found 6/2![Southwest logo]()
$413
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/75:00 pm
MKE
- ISP
1 stop4h 05m
Southwest
Sun 8/96:20 am
ISP
- MKE
1 stop6h 50m
Southwest
Deal found 6/5![Southwest logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:55 am
ORD
- ISP
2 stops13h 02m
Frontier
Mon 6/299:52 pm
ISP
- ORD
1 stop26h 27m
Frontier
Deal found 6/2![Frontier logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/304:59 pm
ORD
- ISP
1 stop26h 58m
Multiple Airlines
Tue 7/75:27 pm
ISP
- ORD
2 stops27h 26m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$475
This Southwest deal was found by Cheapflights users on 6/1. 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 7/236:45 pm
MKE
- ISP
1 stop3h 55m
Southwest
Sun 7/266:00 am
ISP
- MKE
1 stop6h 45m
Southwest
Deal found 6/1![Southwest logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 9/254:49 pm
ORD
- ISP
1 stop15h 44m
Frontier
Mon 9/284:13 pm
ISP
- ORD
2 stops20h 49m
Frontier
Deal found 6/4![Frontier logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 6/192:24 pm
MSP
- ISP
2 stops29h 33m
Multiple Airlines
Tue 6/235:27 pm
ISP
- MSP
1 stop27h 21m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$491
This Southwest deal was found by Cheapflights users on 6/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:00 pm
MSP
- ISP
1 stop4h 40m
Southwest
Sun 7/196:00 am
ISP
- MSP
1 stop5h 05m
Southwest
Deal found 6/2![Southwest logo]()
$456
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/188:15 pm
MKE
- ISP
1 stop13h 15m
Southwest
Mon 6/225:50 pm
ISP
- MKE
2 stops7h 25m
Southwest
Deal found 6/3![Southwest logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/14:00 pm
ATW
- ISP
1 stop17h 03m
Multiple Airlines
Mon 7/68:43 pm
ISP
- ATW
2 stops41h 09m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$593
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/612:15 pm
MSP
- ISP
1 stop8h 50m
Southwest
Mon 8/106:10 am
ISP
- MSP
1 stop9h 50m
Southwest
Deal found 6/5![Southwest logo]()
$478
This KAYAK deal was found by Cheapflights users on 6/2. 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.
Wed 9/210:27 am
MSN
- ISP
2 stops29h 43m
Breeze Airways
Mon 9/78:43 pm
ISP
- MSN
2 stops38h 10m
Breeze Airways
Deal found 6/2![Breeze Airways logo]()
$868
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/610:20 am
MKE
- ISP
2 stops10h 45m
Southwest
Sun 8/96:20 am
ISP
- MKE
2 stops8h 15m
Southwest
Deal found 6/5![Southwest logo]()
$483
This KAYAK deal was found by Cheapflights users on 6/2. 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.
Wed 9/210:27 am
MSN
- ISP
3 stops48h 53m
Breeze Airways
Sat 9/52:33 pm
ISP
- MSN
3 stops42h 52m
Breeze Airways
Deal found 6/2![Breeze Airways logo]()
$918
This Southwest deal was found by Cheapflights users on 6/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/249:50 am
MSP
- ISP
2 stops11h 45m
Southwest
Thu 7/23:05 pm
ISP
- MSP
2 stops9h 10m
Southwest
Deal found 6/2![Southwest logo]()
$493
This KAYAK deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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.
Tue 9/154:40 pm
MSN
- ISP
2 stops17h 40m
Breeze Airways
Sat 9/1912:00 pm
ISP
- MSN
2 stops30h 20m
Breeze Airways
Deal found 6/4![Breeze Airways logo]()
$918
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/22:44 pm
ATW
- ISP
1 stop18h 19m
Multiple Airlines
Mon 7/610:57 am
ISP
- ATW
1 stop12h 37m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$760
This Southwest deal was found by Cheapflights users on 6/1. 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.
Wed 7/15:25 am
MSP
- ISP
2 stops9h 35m
Southwest
Tue 7/74:40 pm
ISP
- MSP
1 stop7h 25m
Southwest
Deal found 6/1![Southwest logo]()
$501
This KAYAK deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/86:05 pm
MSN
- ISP
2 stops24h 04m
Breeze Airways
Mon 7/138:43 pm
ISP
- MSN
3 stops38h 04m
Breeze Airways
Deal found 6/4![Breeze Airways logo]()
$968
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2111:25 am
MKE
- ISP
1 stop11h 50m
Southwest
Thu 6/255:50 pm
ISP
- MKE
1 stop7h 05m
Southwest
Deal found 6/6![Southwest logo]()
$504
This KAYAK deal was found by Cheapflights users on 6/2. 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.
Wed 9/210:27 am
MSN
- ISP
3 stops48h 53m
Breeze Airways
Thu 9/105:23 pm
ISP
- MSN
3 stops41h 30m
Breeze Airways
Deal found 6/2![Breeze Airways logo]()
$978
Last-minute flights from Wisconsin to IslipDiscover last-minute flight deals from Wisconsin to Islip. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Islip. Data last updated June 6, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/2. 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.
Thu 6/258:53 am
MKE
- ISP
1 stop11h 04m
Frontier
Mon 6/299:52 pm
ISP
- MKE
1 stop11h 06m
Frontier
Deal found 6/2![Frontier logo]()
$268
This Expedia deal was found by Cheapflights users on 6/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/254:59 pm
ORD
- ISP
1 stop26h 58m
Frontier
Mon 6/299:52 pm
ISP
- ORD
1 stop26h 27m
Frontier
Deal found 6/2![Frontier logo]()
$339
This Frontier deal was found by Cheapflights users on 6/2. 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.
Fri 6/2610:16 am
ORD
- ISP
1 stop9h 41m
Frontier
Sun 6/289:52 pm
ISP
- ORD
1 stop12h 29m
Frontier
Deal found 6/2![Frontier logo]()
$388
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/288:43 am
MKE
- ISP
1 stop11h 14m
Frontier
Mon 6/299:52 pm
ISP
- MKE
1 stop11h 06m
Frontier
Deal found 6/3![Frontier logo]()
$318
This Booking.com deal was found by Cheapflights users on 6/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:59 pm
ORD
- ISP
1 stop16h 04m
Frontier
Wed 7/1510:57 am
ISP
- ORD
1 stop13h 13m
Frontier
Deal found 6/1![Frontier logo]()
$321
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/36:45 pm
MKE
- ISP
1 stop3h 50m
Southwest
Fri 7/106:00 pm
ISP
- MKE
1 stop6h 55m
Southwest
Deal found 6/3![Southwest logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:13 pm
ORD
- ISP
1 stop15h 40m
Multiple Airlines
Wed 8/511:57 am
ISP
- ORD
2 stops36h 13m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$428
This Expedia deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/95:13 pm
ORD
- ISP
1 stop15h 40m
Multiple Airlines
Mon 7/136:00 am
ISP
- ORD
1 stop8h 39m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$353
This Expedia deal was found by Cheapflights users on 6/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:13 pm
ORD
- ISP
1 stop15h 40m
Multiple Airlines
Thu 7/164:58 pm
ISP
- ORD
1 stop7h 46m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$402
This Expedia deal was found by Cheapflights users on 6/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:00 am
ORD
- ISP
1 stop13h 44m
JetBlue
Tue 7/146:00 am
ISP
- ORD
1 stop8h 39m
JetBlue
Deal found 6/1![JetBlue logo]()
$418
This Southwest deal was found by Cheapflights users on 6/1. 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 7/236:45 pm
MKE
- ISP
1 stop3h 55m
Southwest
Sun 7/266:00 am
ISP
- MKE
1 stop6h 45m
Southwest
Deal found 6/1![Southwest logo]()
$425
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/306:00 pm
MSP
- ISP
1 stop4h 40m
Southwest
Tue 8/410:55 am
ISP
- MSP
2 stops8h 45m
Southwest
Deal found 6/5![Southwest logo]()
$402
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 June 6, 2026.
Search for one-way flight options from Wisconsin to Islip. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
This Trip.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:59 pm
ORD
- ISP
1 stop16h 04m
Frontier
Deal found 6/3![Frontier logo]()
$139
This Expedia deal was found by Cheapflights users on 6/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/294:59 pm
ORD
- ISP
1 stop21h 57m
Frontier
Deal found 6/2![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/47:05 am
ORD
- ISP
2 stops25h 48m
Frontier
Deal found 6/3![Frontier logo]()
$145
This Booking.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
Thu 7/308:43 am
MKE
- ISP
1 stop24h 10m
Frontier
Deal found 6/5![Frontier logo]()
$146
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/3012:25 pm
MKE
- ISP
2 stops10h 20m
Southwest
Deal found 6/5![Southwest logo]()
$162
This Mytrip deal was found by Cheapflights users on 6/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:59 pm
ORD
- ISP
1 stop26h 58m
Frontier
Deal found 6/1![Frontier logo]()
$165
This Trip.com deal was found by Cheapflights users on 6/1. 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.
Tue 6/304:59 pm
ORD
- ISP
1 stop26h 58m
Frontier
Deal found 6/1![Frontier logo]()
$166
This Trip.com deal was found by Cheapflights users on 6/1. 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 7/24:59 pm
ORD
- ISP
1 stop16h 04m
Frontier
Deal found 6/1![Frontier logo]()
$171
This JetBlue deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/182:35 pm
ORD
- ISP
1 stop7h 21m
JetBlue
Deal found 6/3![JetBlue logo]()
$182
This Priceline deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/47:00 am
ORD
- ISP
1 stop11h 33m
JetBlue
Deal found 6/3![JetBlue logo]()
$187
This Frontier deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 6/288:43 am
MKE
- ISP
1 stop11h 14m
Frontier
Deal found 6/4![Frontier logo]()
$190
This Booking.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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.
Sun 8/308:43 am
MKE
- ISP
1 stop24h 20m
Frontier
Deal found 6/4![Frontier logo]()
$191
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 June 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $268 (Frontier) |
One-way from | $139 (Trip.com) |
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 2,558,603 searches. Data last updated June 6, 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
Tue 9/8
5:30 pm-9:33 am
1 stop15h 03m
Islip Long Island
Sat 9/12
4:13 pm-11:55 pm
1 stop8h 42m
$270
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Sat 9/12
4:49 pm-9:33 am
1 stop15h 44m
Islip Long Island
Wed 9/16
4:13 pm-11:55 pm
1 stop8h 42m
$271
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Sun 6/28
8:43 am-8:57 pm
1 stop11h 14m
Islip Long Island
Mon 6/29
9:52 pm-7:58 am
1 stop11h 06m
$318
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Thu 7/9
5:13 pm-9:53 am
1 stop15h 40m
Islip Long Island
Mon 7/13
6:00 am-1:39 pm
1 stop8h 39m
$353
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Tue 9/1
2:35 pm-10:56 pm
1 stop7h 21m
Islip Long Island
Wed 9/2
6:00 am-1:39 pm
1 stop8h 39m
$363
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Fri 7/3
6:45 pm-11:35 pm
1 stop3h 50m
Islip Long Island
Fri 7/10
3:05 pm-12:10 am
2 stops10h 05m
$367
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
Tue 8/11
10:50 am-9:05 pm
2 stops9h 15m
Islip Long Island
Wed 8/19
3:20 pm-10:00 pm
2 stops7h 40m
$377
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
Mon 8/17
6:45 am-12:35 pm
1 stop4h 50m
Islip Long Island
Thu 8/20
4:05 pm-10:05 pm
1 stop7h 00m
$413
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Fri 8/7
5:00 pm-10:05 pm
1 stop4h 05m
Islip Long Island
Sun 8/9
6:20 am-12:10 pm
1 stop6h 50m
$417
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Tue 8/4
5:13 pm-9:53 am
1 stop15h 40m
Islip Long Island
Tue 8/11
5:27 pm-7:53 pm
2 stops27h 26m
$420
Showing 1-10 of 53 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
MKE-ISP
MSN-ISP
MSP-ISP
ATW-ISP
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Wisconsin to Islip
USWI-ISP
ORD-ISP
MKE-ISP
MSN-ISP
MSP-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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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 June 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$244 | Average$379 | FlexibilityNo cancel fee | On-time63% |