$110+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ISP
Aug 7 — Aug 141
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 July 8, 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 July 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/195:59 pm
ORD
- ISP
1 stop14h 54m
Frontier
Wed 8/2610:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/8![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:44 pm
ORD
- ISP
1 stop12h 49m
Frontier
Sat 9/124:13 pm
ISP
- ORD
1 stop8h 42m
Frontier
Deal found 7/7![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/195:59 pm
ORD
- ISP
1 stop14h 54m
Multiple Airlines
Wed 8/2611:57 am
ISP
- ORD
2 stops36h 11m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$262
This Frontier deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:44 pm
ORD
- ISP
1 stop12h 49m
Frontier
Fri 9/114:13 pm
ISP
- ORD
1 stop8h 42m
Frontier
Deal found 7/7![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 7/3. 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.
Fri 8/217:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
Mon 8/2410:57 am
ISP
- MSP
1 stop8h 35m
Frontier
Deal found 7/3![Frontier logo]()
$263
This Expedia deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/37:44 pm
ORD
- ISP
1 stop21h 30m
Frontier
Mon 9/77:09 pm
ISP
- ORD
1 stop28h 59m
Frontier
Deal found 7/7![Frontier logo]()
$268
This Booking.com deal was found by Cheapflights users on 7/5. 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.
Mon 8/1710:16 am
ORD
- ISP
1 stop22h 37m
Frontier
Mon 8/2410:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/5![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 7/7![Frontier logo]()
$273
This Booking.com deal was found by Cheapflights users on 7/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:17 pm
MSP
- ISP
1 stop21h 57m
Frontier
Sun 8/237:09 pm
ISP
- MSP
1 stop24h 23m
Frontier
Deal found 7/6![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 7/3. 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.
Fri 8/286:05 am
ORD
- ISP
1 stop11h 09m
Frontier
Sun 8/3010:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/3![Frontier logo]()
$288
This Booking.com deal was found by Cheapflights users on 7/5. 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.
Tue 10/64:49 pm
ORD
- ISP
1 stop15h 44m
Frontier
Sat 10/104:13 pm
ISP
- ORD
1 stop22h 03m
Frontier
Deal found 7/5![Frontier logo]()
$290
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/53:05 pm
MKE
- ISP
1 stop5h 00m
Southwest
Wed 8/123:20 pm
ISP
- MKE
1 stop6h 35m
Southwest
Deal found 7/7![Southwest logo]()
$292
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 July 8, 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 July 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/195:59 pm
ORD
- ISP
1 stop14h 54m
Frontier
Wed 8/2610:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/8![Frontier logo]()
$250
This Southwest deal was found by Cheapflights users on 7/3. 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.
Mon 8/106:25 am
MKE
- ISP
1 stop5h 10m
Southwest
Fri 8/144:05 pm
ISP
- MKE
1 stop5h 35m
Southwest
Deal found 7/3![Southwest logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:13 pm
ORD
- ISP
1 stop15h 40m
Multiple Airlines
Mon 8/241:00 pm
ISP
- ORD
2 stops24h 50m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$329
This JetBlue deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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
Wed 9/307:00 am
ISP
- ORD
1 stop8h 01m
JetBlue
Deal found 7/7![JetBlue logo]()
$430
This Frontier deal was found by Cheapflights users on 7/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:10 pm
ORD
- ISP
1 stop11h 43m
Frontier
Tue 9/810:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/6![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 7/3. 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.
Fri 8/217:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
Mon 8/2410:57 am
ISP
- MSP
1 stop8h 35m
Frontier
Deal found 7/3![Frontier logo]()
$263
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/510:30 am
MKE
- ISP
2 stops9h 35m
Southwest
Wed 8/123:20 pm
ISP
- MKE
1 stop6h 35m
Southwest
Deal found 7/7![Southwest logo]()
$308
This Mytrip deal was found by Cheapflights users on 7/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:59 pm
ORD
- ISP
1 stop14h 54m
Frontier
Tue 8/2510:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/4![Frontier logo]()
$270
This Southwest deal was found by Cheapflights users on 7/6. 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.
Mon 8/36:45 pm
MKE
- ISP
1 stop3h 55m
Southwest
Mon 8/106:45 am
ISP
- MKE
1 stop10h 35m
Southwest
Deal found 7/6![Southwest logo]()
$333
This Booking.com deal was found by Cheapflights users on 7/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:16 am
ORD
- ISP
1 stop22h 37m
Frontier
Mon 8/2410:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/3![Frontier logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:49 pm
ORD
- ISP
2 stops17h 31m
Multiple Airlines
Sat 10/104:13 pm
ISP
- ORD
1 stop22h 03m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$403
This KAYAK deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/286:50 pm
MSN
- ISP
1 stop15h 27m
Breeze Airways
Wed 9/22:33 pm
ISP
- MSN
3 stops42h 52m
Breeze Airways
Deal found 7/8![Breeze Airways logo]()
$833
This Frontier deal was found by Cheapflights users on 7/3. 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.
Fri 8/286:05 am
ORD
- ISP
1 stop11h 09m
Frontier
Sun 8/3010:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/3![Frontier logo]()
$288
This Southwest deal was found by Cheapflights users on 7/5. 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.
Wed 8/196:05 am
MKE
- ISP
1 stop7h 50m
Southwest
Sat 8/2211:55 am
ISP
- MKE
2 stops7h 30m
Southwest
Deal found 7/5![Southwest logo]()
$350
This JetBlue deal was found by Cheapflights users on 7/3. 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.
Sun 9/273:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
Wed 9/307:00 am
ISP
- ORD
1 stop8h 01m
JetBlue
Deal found 7/3![JetBlue logo]()
$467
This Booking.com deal was found by Cheapflights users on 7/5. 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.
Tue 10/64:49 pm
ORD
- ISP
1 stop15h 44m
Frontier
Sat 10/104:13 pm
ISP
- ORD
1 stop22h 03m
Frontier
Deal found 7/5![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/62:44 pm
ATW
- ISP
1 stop18h 09m
Multiple Airlines
Wed 8/1211:57 am
ISP
- ATW
2 stops34h 55m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 7/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:50 am
MKE
- ISP
1 stop3h 55m
Southwest
Sat 8/83:15 pm
ISP
- MKE
1 stop6h 20m
Southwest
Deal found 7/4![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 7/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
MSP
- ISP
1 stop5h 10m
Southwest
Tue 8/183:20 pm
ISP
- MSP
2 stops8h 30m
Southwest
Deal found 7/4![Southwest logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/92:44 pm
ATW
- ISP
1 stop18h 09m
Multiple Airlines
Wed 8/1211:57 am
ISP
- ATW
2 stops34h 55m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$460
This Southwest deal was found by Cheapflights users on 7/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:45 am
MSP
- ISP
1 stop6h 45m
Southwest
Tue 8/183:20 pm
ISP
- MSP
2 stops8h 30m
Southwest
Deal found 7/4![Southwest logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/242:24 pm
MSP
- ISP
2 stops18h 29m
Multiple Airlines
Mon 7/272:28 pm
ISP
- MSP
1 stop6h 19m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$503
This Southwest deal was found by Cheapflights users on 7/3. 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.
Sat 9/56:00 am
MSP
- ISP
2 stops7h 30m
Southwest
Sun 9/612:20 pm
ISP
- MSP
1 stop7h 30m
Southwest
Deal found 7/3![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 7/5. 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.
Tue 8/43:30 pm
MSP
- ISP
1 stop4h 35m
Southwest
Tue 8/1110:55 am
ISP
- MSP
1 stop8h 10m
Southwest
Deal found 7/5![Southwest logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/232:24 pm
MSP
- ISP
2 stops18h 29m
Multiple Airlines
Mon 7/272:28 pm
ISP
- MSP
1 stop6h 19m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$572
This KAYAK deal was found by Cheapflights users on 7/4. 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.
Fri 7/246:50 pm
MSN
- ISP
1 stop15h 27m
Breeze Airways
Mon 7/278:43 pm
ISP
- MSN
2 stops38h 04m
Breeze Airways
Deal found 7/4![Breeze Airways logo]()
$883
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/25:20 am
MSP
- ISP
2 stops8h 35m
Southwest
Thu 8/64:05 pm
ISP
- MSP
1 stop7h 00m
Southwest
Deal found 7/7![Southwest logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Wed 7/2210:27 am
MSN
- ISP
1 stop7h 34m
Multiple Airlines
Wed 7/297:46 pm
ISP
- MSN
2 stops37h 39m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$622
This Trip.com deal was found by Cheapflights users on 7/3. 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 7/2210:27 am
MSN
- ISP
2 stops29h 43m
Breeze Airways
Wed 7/292:33 pm
ISP
- MSN
3 stops42h 52m
Breeze Airways
Deal found 7/3![Breeze Airways logo]()
$916
This Southwest deal was found by Cheapflights users on 7/3. 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.
Sun 8/26:00 am
MKE
- ISP
2 stops7h 55m
Southwest
Thu 8/612:35 pm
ISP
- MKE
2 stops8h 40m
Southwest
Deal found 7/3![Southwest logo]()
$438
Last-minute flights from Wisconsin to IslipDiscover last-minute flight deals from Wisconsin to Islip. Data last updated July 8, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Islip. Data last updated July 8, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 7/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:13 pm
ORD
- ISP
1 stop15h 40m
Frontier
Sat 8/110:43 am
ISP
- ORD
1 stop13h 27m
Frontier
Deal found 7/6![Frontier logo]()
$313
This Southwest deal was found by Cheapflights users on 7/3. 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.
Sun 8/26:50 am
MKE
- ISP
1 stop3h 55m
Southwest
Thu 8/612:35 pm
ISP
- MKE
2 stops8h 40m
Southwest
Deal found 7/3![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/53:05 pm
MKE
- ISP
1 stop5h 00m
Southwest
Wed 8/123:20 pm
ISP
- MKE
1 stop6h 35m
Southwest
Deal found 7/7![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 7/3. 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.
Mon 8/106:25 am
MKE
- ISP
1 stop5h 10m
Southwest
Fri 8/144:05 pm
ISP
- MKE
1 stop5h 35m
Southwest
Deal found 7/3![Southwest logo]()
$306
This Booking.com deal was found by Cheapflights users on 7/5. 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.
Mon 8/1710:16 am
ORD
- ISP
1 stop22h 37m
Frontier
Mon 8/2410:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/5![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/195:59 pm
ORD
- ISP
1 stop14h 54m
Frontier
Wed 8/2610:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/8![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/195:59 pm
ORD
- ISP
1 stop14h 54m
Multiple Airlines
Wed 8/2611:57 am
ISP
- ORD
2 stops36h 11m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$262
This Frontier deal was found by Cheapflights users on 7/6. 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 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
Thu 8/2710:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/6![Frontier logo]()
$258
This Booking.com deal was found by Cheapflights users on 7/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:17 pm
MSP
- ISP
1 stop21h 57m
Frontier
Sun 8/237:09 pm
ISP
- MSP
1 stop24h 23m
Frontier
Deal found 7/6![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 7/3. 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.
Fri 8/217:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
Mon 8/2410:57 am
ISP
- MSP
1 stop8h 35m
Frontier
Deal found 7/3![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 7/7![Frontier logo]()
$273
This Frontier deal was found by Cheapflights users on 7/3. 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.
Fri 8/286:05 am
ORD
- ISP
1 stop11h 09m
Frontier
Sun 8/3010:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/3![Frontier logo]()
$288
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 July 8, 2026.
Search for one-way flight options from Wisconsin to Islip. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
This Trip.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/185:59 pm
ORD
- ISP
1 stop14h 54m
Frontier
Deal found 7/8![Frontier logo]()
$110
This Trip.com deal was found by Cheapflights users on 7/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:43 am
MKE
- ISP
1 stop24h 10m
Frontier
Deal found 7/6![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:05 am
ORD
- ISP
1 stop7h 58m
Frontier
Deal found 7/7![Frontier logo]()
$134
This Orbitz deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:05 am
ORD
- ISP
1 stop26h 48m
Frontier
Deal found 7/7![Frontier logo]()
$140
This Expedia deal was found by Cheapflights users on 7/5. 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.
Sun 8/237:17 pm
MSP
- ISP
1 stop21h 57m
Frontier
Deal found 7/5![Frontier logo]()
$141
This Trip.com deal was found by Cheapflights users on 7/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:13 pm
ORD
- ISP
1 stop15h 40m
Frontier
Deal found 7/6![Frontier logo]()
$143
This Trip.com deal was found by Cheapflights users on 7/3. 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.
Thu 7/305:13 pm
ORD
- ISP
1 stop15h 40m
Frontier
Deal found 7/3![Frontier logo]()
$144
This Booking.com deal was found by Cheapflights users on 7/5. 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.
Fri 10/24:49 pm
ORD
- ISP
1 stop15h 44m
Frontier
Deal found 7/5![Frontier logo]()
$146
This Booking.com deal was found by Cheapflights users on 7/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:43 am
MKE
- ISP
1 stop24h 10m
Frontier
Deal found 7/3![Frontier logo]()
$148
This Frontier deal was found by Cheapflights users on 7/4. 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.
Fri 8/286:05 am
ORD
- ISP
1 stop11h 09m
Frontier
Deal found 7/4![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Wed 10/74:49 pm
ORD
- ISP
1 stop15h 44m
Frontier
Deal found 7/4![Frontier logo]()
$153
This Trip.com deal was found by Cheapflights users on 7/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:13 pm
ORD
- ISP
1 stop15h 40m
Frontier
Deal found 7/6![Frontier logo]()
$154
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 July 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $250 (Kiwi.com) |
One-way from | $110 (Trip.com) |
Popular in | November |
Cheapest in | January |
Average price | $423 |
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 July 8, 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
Wed 8/19
5:59 pm-9:53 am
1 stop14h 54m
Islip Long Island
Wed 8/26
10:57 am-11:08 pm
1 stop13h 11m
$250
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Fri 9/4
9:10 pm-9:53 am
1 stop11h 43m
Islip Long Island
Tue 9/8
10:57 am-11:08 pm
1 stop13h 11m
$263
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
Fri 8/21
7:17 pm-9:53 am
1 stop13h 36m
Islip Long Island
Mon 8/24
10:57 am-6:32 pm
1 stop8h 35m
$263
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Tue 8/18
5:59 pm-9:53 am
1 stop14h 54m
Islip Long Island
Tue 8/25
10:57 am-11:08 pm
1 stop13h 11m
$270
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Mon 8/17
10:16 am-9:53 am
1 stop22h 37m
Islip Long Island
Mon 8/24
10:57 am-11:08 pm
1 stop13h 11m
$278
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Fri 8/28
6:05 am-6:14 pm
1 stop11h 09m
Islip Long Island
Sun 8/30
10:57 am-11:08 pm
1 stop13h 11m
$288
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Tue 10/6
4:49 pm-9:33 am
1 stop15h 44m
Islip Long Island
Sat 10/10
4:13 pm-1:16 pm
1 stop22h 03m
$290
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Mon 8/10
6:25 am-12:35 pm
1 stop5h 10m
Islip Long Island
Fri 8/14
4:05 pm-8:40 pm
1 stop5h 35m
$306
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Wed 8/5
10:30 am-9:05 pm
2 stops9h 35m
Islip Long Island
Wed 8/12
3:20 pm-8:55 pm
1 stop6h 35m
$308
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Mon 8/17
5:13 pm-9:53 am
1 stop15h 40m
Islip Long Island
Mon 8/24
1:00 pm-12:50 pm
2 stops24h 50m
$329
Showing 1-10 of 58 resultsSorted by cheapest first
Best time to book a flight from Wisconsin to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from Wisconsin with our price prediction graph.
ORD-ISP
MKE-ISP
MSP-ISP
MSN-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
MSP-ISP
MSN-ISP
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Wisconsin to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Islip?
Book flights to Islip if you plan to visit one of these locationsRiverhead
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Other flights to Islip
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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 July 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$232 | Average$379 | FlexibilityNo cancel fee | On-time63% |