$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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ISP
Aug 24 — Aug 311
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Wisconsin to Islip
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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 25, 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 25, 2026.
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Tue 9/154:13 pm
ISP
- ORD
1 stop8h 42m
Frontier
Deal found 7/24![Frontier logo]()
$252
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/22![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Mon 8/3110:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/20![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/23![Frontier logo]()
$265
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier 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
Wed 9/304:13 pm
ISP
- ORD
1 stop17h 08m
Frontier
Deal found 7/24![Frontier logo]()
$266
This Frontier deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/20![Frontier logo]()
$268
This Trip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.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
Thu 8/207:09 pm
ISP
- ORD
1 stop19h 11m
Frontier
Deal found 7/22![Frontier logo]()
$269
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
Sun 9/610:57 am
ISP
- MSP
1 stop8h 35m
Frontier
Deal found 7/24![Frontier logo]()
$269
This Trip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.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 stop23h 15m
Frontier
Sat 8/227:09 pm
ISP
- ORD
1 stop28h 59m
Frontier
Deal found 7/24![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
Sun 9/610:57 am
ISP
- MSP
1 stop8h 35m
Frontier
Deal found 7/24![Frontier logo]()
$288
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:05 am
MKE
- ISP
1 stop7h 50m
Southwest
Sat 8/223:15 pm
ISP
- MKE
1 stop6h 20m
Southwest
Deal found 7/21![Southwest logo]()
$312
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
Sun 8/3010:57 am
ISP
- MSP
1 stop8h 35m
Frontier
Deal found 7/22![Frontier logo]()
$331
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 25, 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 25, 2026.
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:05 am
ORD
- ISP
1 stop11h 09m
Frontier
Tue 8/2510:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/24![Frontier logo]()
$252
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:05 am
MKE
- ISP
1 stop7h 50m
Southwest
Sat 8/223:15 pm
ISP
- MKE
1 stop6h 20m
Southwest
Deal found 7/21![Southwest logo]()
$312
This JetBlue deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/25![JetBlue logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:10 pm
ORD
- ISP
1 stop11h 43m
Multiple Airlines
Mon 8/311:00 pm
ISP
- ORD
2 stops24h 50m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$413
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Tue 9/154:13 pm
ISP
- ORD
1 stop8h 42m
Frontier
Deal found 7/24![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
Sun 9/610:57 am
ISP
- MSP
1 stop8h 35m
Frontier
Deal found 7/24![Frontier logo]()
$269
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:30 pm
MSP
- ISP
1 stop4h 35m
Southwest
Sat 10/36:15 am
ISP
- MSP
1 stop6h 30m
Southwest
Deal found 7/21![Southwest logo]()
$333
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
Sun 9/610:57 am
ISP
- MSP
1 stop8h 35m
Frontier
Deal found 7/24![Frontier logo]()
$288
This JetBlue deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
Sat 9/267:00 am
ISP
- ORD
1 stop7h 45m
JetBlue
Deal found 7/24![JetBlue logo]()
$379
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
MKE
- ISP
1 stop6h 20m
Southwest
Mon 8/316:10 am
ISP
- MKE
1 stop6h 45m
Southwest
Deal found 7/23![Southwest logo]()
$347
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:00 am
ORD
- ISP
1 stop9h 51m
Frontier
Thu 11/54:13 pm
ISP
- ORD
1 stop8h 37m
Frontier
Deal found 7/21![Frontier logo]()
$317
This JetBlue deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/24![JetBlue logo]()
$399
This Frontier deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Mon 8/2410:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/20![Frontier logo]()
$317
This JetBlue deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/24![JetBlue logo]()
$423
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:00 pm
MKE
- ISP
1 stop4h 05m
Southwest
Sun 8/166:20 am
ISP
- MKE
2 stops8h 15m
Southwest
Deal found 7/21![Southwest logo]()
$425
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
Sun 8/3010:57 am
ISP
- MSP
1 stop8h 35m
Frontier
Deal found 7/22![Frontier logo]()
$331
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:45 am
MKE
- ISP
2 stops5h 50m
Southwest
Mon 9/76:10 am
ISP
- MKE
2 stops5h 50m
Southwest
Deal found 7/22![Southwest logo]()
$427
This KAYAK deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:04 pm
MSN
- ISP
2 stops22h 50m
Breeze Airways
Mon 12/213:02 pm
ISP
- MSN
2 stops26h 22m
Breeze Airways
Deal found 7/21![Breeze Airways logo]()
$1,183
This KAYAK deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:33 am
MSN
- ISP
2 stops29h 10m
Breeze Airways
Sat 11/2812:00 pm
ISP
- MSN
2 stops28h 00m
Breeze Airways
Deal found 7/21![Breeze Airways logo]()
$1,193
Last-minute flights from Wisconsin to IslipDiscover last-minute flight deals from Wisconsin to Islip. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Islip. Data last updated July 25, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.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
Thu 8/207:09 pm
ISP
- ORD
1 stop19h 11m
Frontier
Deal found 7/22![Frontier logo]()
$269
This Trip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.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 stop23h 15m
Frontier
Sat 8/227:09 pm
ISP
- ORD
1 stop28h 59m
Frontier
Deal found 7/24![Frontier logo]()
$270
This Trip.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.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 stop23h 15m
Frontier
Sun 8/237:09 pm
ISP
- ORD
1 stop28h 59m
Frontier
Deal found 7/23![Frontier logo]()
$283
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:05 am
MKE
- ISP
1 stop7h 50m
Southwest
Sat 8/223:15 pm
ISP
- MKE
1 stop6h 20m
Southwest
Deal found 7/21![Southwest logo]()
$312
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/21![Frontier logo]()
$252
This Frontier deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/23![Frontier logo]()
$265
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 10/224:13 pm
ISP
- ORD
1 stop8h 42m
Frontier
Deal found 7/22![Frontier logo]()
$304
This Frontier deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Mon 8/2410:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/20![Frontier logo]()
$317
This Frontier deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/20![Frontier logo]()
$268
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/22![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Mon 8/3110:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/20![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sat 8/2910:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/20![Frontier logo]()
$300
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 25, 2026.
Search for one-way flight options from Wisconsin to Islip. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This Priceline deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:05 am
ORD
- ISP
1 stop7h 58m
Frontier
Deal found 7/22![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/22![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:11 am
ORD
- ISP
2 stops26h 17m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$134
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
Deal found 7/22![Frontier logo]()
$134
This Trip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:49 pm
ORD
- ISP
1 stop15h 44m
Frontier
Deal found 7/22![Frontier logo]()
$135
This Trip.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:49 pm
ORD
- ISP
1 stop15h 44m
Frontier
Deal found 7/20![Frontier logo]()
$139
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
Deal found 7/22![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/241:59 pm
ORD
- ISP
2 stops25h 48m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$147
This Trip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:50 pm
ORD
- ISP
1 stop24h 08m
Frontier
Deal found 7/24![Frontier logo]()
$148
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:00 pm
MKE
- ISP
1 stop4h 05m
Southwest
Deal found 7/22![Southwest logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:44 pm
ORD
- ISP
1 stop15h 49m
Frontier
Deal found 7/23![Frontier logo]()
$166
This Travelocity deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:44 pm
ORD
- ISP
1 stop20h 49m
Frontier
Deal found 7/20![Frontier logo]()
$177
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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $252 (Frontier) |
One-way from | $126 (Priceline) |
Popular in | November |
Cheapest in | January |
Average price | $406 |
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 25, 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
6:05 am-6:14 pm
1 stop11h 09m
Islip Long Island
Tue 8/25
10:57 am-11:08 pm
1 stop13h 11m
$252
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Tue 9/8
7:44 pm-9:33 am
1 stop12h 49m
Islip Long Island
Tue 9/15
4:13 pm-11:55 pm
1 stop8h 42m
$253
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
Thu 9/3
7:17 pm-9:53 am
1 stop13h 36m
Islip Long Island
Sun 9/6
10:57 am-6:32 pm
1 stop8h 35m
$269
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
Fri 9/4
7:17 pm-9:53 am
1 stop13h 36m
Islip Long Island
Sun 9/6
10:57 am-6:32 pm
1 stop8h 35m
$288
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Wed 8/19
6:05 am-2:55 pm
1 stop7h 50m
Islip Long Island
Sat 8/22
3:15 pm-8:35 pm
1 stop6h 20m
$312
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Sun 11/1
8:00 am-6:51 pm
1 stop9h 51m
Islip Long Island
Thu 11/5
4:13 pm-11:50 pm
1 stop8h 37m
$317
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Thu 8/20
7:44 pm-9:53 am
1 stop13h 09m
Islip Long Island
Mon 8/24
10:57 am-11:08 pm
1 stop13h 11m
$317
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
Fri 8/28
7:17 pm-9:53 am
1 stop13h 36m
Islip Long Island
Sun 8/30
10:57 am-6:32 pm
1 stop8h 35m
$331
Quickest round-trip
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
Wed 9/30
3:30 pm-9:05 pm
1 stop4h 35m
Islip Long Island
Sat 10/3
6:15 am-11:45 am
1 stop6h 30m
$333
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Sat 8/29
6:00 am-1:20 pm
1 stop6h 20m
Islip Long Island
Mon 8/31
6:10 am-11:55 am
1 stop6h 45m
$347
Showing 1-10 of 44 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
ATW-ISP
MSN-ISP
MSP-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
ATW-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
Explore flights to Islip departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 25, 2026.
Wisconsin and Islip flights
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Popular flight searches
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Wisconsin to Islip flights
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Top airline flying from Wisconsin to Islip
Discover the top airline that operate flights from Wisconsin to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$274 | Average$386 | FlexibilityNo cancel fee | On-time63% |