$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. 25 — sep. 11
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 juli 26, 2026.
Explore the most affordable flight options available from Wisconsin to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juli 26, 2026.
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.
ti. 9/87:44 pm
ORD
- ISP
1 stop12h 49m
Frontier
ma. 9/144:13 pm
ISP
- ORD
1 stop8h 42m
Frontier
Deal found 7/22![Frontier logo]()
$252
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.
ti. 9/87:44 pm
ORD
- ISP
1 stop12h 49m
Frontier
ti. 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 7/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to. 9/37:10 pm
MSP
- ISP
1 stop13h 43m
Frontier
sø. 9/610:57 am
ISP
- MSP
1 stop8h 28m
Frontier
Deal found 7/25![Frontier logo]()
$259
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.
to. 8/277:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
sø. 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 7/26. Clicking the “Pick Dates” 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.
to. 8/207:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
sø. 8/2310:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/26![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.
fr. 9/254:49 pm
ORD
- ISP
1 stop15h 44m
Frontier
on. 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 7/22. 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.
fr. 8/216:05 am
ORD
- ISP
1 stop11h 09m
Frontier
sø. 8/2310:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/22![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.
on. 8/195:59 pm
ORD
- ISP
1 stop14h 54m
Frontier
to. 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.
on. 8/195:59 pm
ORD
- ISP
1 stop23h 15m
Frontier
lø. 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 7/26. Clicking the “Pick Dates” 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.
fr. 9/49:10 pm
ORD
- ISP
1 stop11h 43m
Frontier
sø. 9/610:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/26![Frontier logo]()
$278
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fr. 8/289:10 pm
ORD
- ISP
1 stop11h 43m
Frontier
ti. 9/110:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/25![Frontier logo]()
$283
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.
fr. 9/47:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
sø. 9/610:57 am
ISP
- MSP
1 stop8h 35m
Frontier
Deal found 7/24![Frontier logo]()
$288
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 juli 26, 2026.
Discover carefully curated flight deals from Wisconsin to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated juli 26, 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.
ma. 8/246:05 am
ORD
- ISP
1 stop11h 09m
Frontier
ti. 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.
on. 9/303:30 pm
MSP
- ISP
1 stop4h 35m
Southwest
lø. 10/36:15 am
ISP
- MSP
1 stop6h 30m
Southwest
Deal found 7/21![Southwest logo]()
$333
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.
on. 9/233:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
lø. 9/267:00 am
ISP
- ORD
1 stop7h 45m
JetBlue
Deal found 7/24![JetBlue logo]()
$379
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
on. 9/27:44 pm
ORD
- ISP
1 stop13h 09m
Multiple Airlines
sø. 9/67:49 pm
ISP
- ORD
2 stops37h 04m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$381
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to. 9/37:10 pm
MSP
- ISP
1 stop13h 43m
Frontier
sø. 9/610:57 am
ISP
- MSP
1 stop8h 28m
Frontier
Deal found 7/25![Frontier logo]()
$259
This Trip.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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.
on. 9/93:50 pm
ORD
- ISP
1 stop24h 08m
Frontier
on. 9/165:43 pm
ISP
- ORD
1 stop17h 37m
Frontier
Deal found 7/26![Frontier logo]()
$269
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.
lø. 8/296:00 am
MKE
- ISP
1 stop6h 20m
Southwest
ma. 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 7/24. 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.
fr. 9/47:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
sø. 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 7/25. 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.
to. 9/243:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
ma. 9/287:00 am
ISP
- ORD
1 stop7h 45m
JetBlue
Deal found 7/25![JetBlue logo]()
$379
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.
on. 8/1910:30 am
MKE
- ISP
2 stops9h 35m
Southwest
lø. 8/223:15 pm
ISP
- MKE
1 stop6h 20m
Southwest
Deal found 7/21![Southwest logo]()
$347
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fr. 9/183:00 pm
ORD
- ISP
1 stop7h 22m
Multiple Airlines
sø. 9/204:13 pm
ISP
- ORD
1 stop8h 42m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$392
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.
ti. 10/63:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
on. 10/77:00 am
ISP
- ORD
1 stop7h 47m
JetBlue
Deal found 7/25![JetBlue logo]()
$379
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.
sø. 11/18:00 am
ORD
- ISP
1 stop9h 51m
Frontier
to. 11/54:13 pm
ISP
- ORD
1 stop8h 37m
Frontier
Deal found 7/21![Frontier logo]()
$317
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.
to. 11/58:00 am
ORD
- ISP
1 stop9h 51m
Frontier
ma. 11/93:43 pm
ISP
- ORD
1 stop9h 07m
Frontier
Deal found 7/21![Frontier logo]()
$317
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to. 9/173:00 pm
ORD
- ISP
1 stop7h 22m
JetBlue
ti. 9/227:00 am
ISP
- ORD
1 stop8h 01m
JetBlue
Deal found 7/21![JetBlue logo]()
$411
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.
fr. 8/145:00 pm
MKE
- ISP
1 stop4h 05m
Southwest
sø. 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.
fr. 8/287:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
sø. 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.
to. 9/35:45 am
MKE
- ISP
2 stops5h 50m
Southwest
ma. 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.
lø. 12/196:04 pm
MSN
- ISP
2 stops22h 50m
Breeze Airways
ma. 12/213:02 pm
ISP
- MSN
2 stops26h 22m
Breeze Airways
Deal found 7/21![Breeze Airways logo]()
$1,183
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to. 9/37:10 pm
MSP
- ISP
1 stop13h 43m
Frontier
ma. 9/710:57 am
ISP
- MSP
1 stop8h 28m
Frontier
Deal found 7/25![Frontier logo]()
$336
Last-minute flights from Wisconsin to IslipDiscover last-minute flight deals from Wisconsin to Islip. Data last updated juli 26, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Islip. Data last updated juli 26, 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.
on. 8/195:59 pm
ORD
- ISP
1 stop14h 54m
Frontier
to. 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.
on. 8/195:59 pm
ORD
- ISP
1 stop23h 15m
Frontier
lø. 8/227:09 pm
ISP
- ORD
1 stop28h 59m
Frontier
Deal found 7/24![Frontier logo]()
$270
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.
on. 8/196:05 am
MKE
- ISP
1 stop7h 50m
Southwest
lø. 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 7/26. Clicking the “Pick Dates” 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.
to. 8/207:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
sø. 8/2310:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/26![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.
to. 8/207:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
to. 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 7/22. 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.
fr. 8/216:05 am
ORD
- ISP
1 stop11h 09m
Frontier
sø. 8/2310:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/22![Frontier logo]()
$268
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fr. 8/219:10 pm
ORD
- ISP
1 stop11h 43m
Frontier
ma. 8/2410:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/25![Frontier logo]()
$314
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.
ma. 8/246:05 am
ORD
- ISP
1 stop11h 09m
Frontier
ti. 8/2510:57 am
ISP
- ORD
1 stop13h 11m
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.
to. 8/277:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
sø. 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 7/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fr. 8/289:10 pm
ORD
- ISP
1 stop11h 43m
Frontier
ti. 9/110:57 am
ISP
- ORD
1 stop13h 11m
Frontier
Deal found 7/25![Frontier logo]()
$283
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.
fr. 8/287:17 pm
MSP
- ISP
1 stop13h 36m
Frontier
sø. 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 7/23. 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.
lø. 8/296:00 am
MKE
- ISP
1 stop6h 20m
Southwest
ma. 8/316:10 am
ISP
- MKE
2 stops9h 15m
Southwest
Deal found 7/23![Southwest logo]()
$352
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 juli 26, 2026.
Search for one-way flight options from Wisconsin to Islip. Find affordable one-way fares based on user searches. Data last updated juli 26, 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.
lø. 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.
to. 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.
to. 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.
to. 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.
to. 9/104:49 pm
ORD
- ISP
1 stop15h 44m
Frontier
Deal found 7/22![Frontier logo]()
$135
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.
sø. 8/237:44 pm
ORD
- ISP
1 stop13h 09m
Frontier
Deal found 7/22![Frontier logo]()
$140
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.
fr. 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.
to. 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.
on. 11/44:44 pm
ORD
- ISP
1 stop15h 49m
Frontier
Deal found 7/23![Frontier logo]()
$166
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to. 9/177:11 am
ORD
- ISP
2 stops26h 17m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$168
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma. 11/26:30 am
ORD
- ISP
2 stops31h 03m
Frontier
Deal found 7/22![Frontier logo]()
$183
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.
to. 9/34:10 pm
ATW
- ISP
1 stop16h 43m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$184
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 juli 26, 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 juli 26, 2026.
Use the filters below to find and compare flights from Wisconsin to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
ma. 8/24
6:05 am-6:14 pm
1 stop11h 09m
Islip Long Island
ti. 8/25
10:57 am-11:08 pm
1 stop13h 11m
$252
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
to. 9/3
7:10 pm-9:53 am
1 stop13h 43m
Islip Long Island
sø. 9/6
10:57 am-6:25 pm
1 stop8h 28m
$259
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
on. 9/9
3:50 pm-4:58 pm
1 stop24h 08m
Islip Long Island
on. 9/16
5:43 pm-10:20 am
1 stop17h 37m
$269
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
fr. 9/4
7:17 pm-9:53 am
1 stop13h 36m
Islip Long Island
sø. 9/6
10:57 am-6:32 pm
1 stop8h 35m
$288
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
sø. 11/1
8:00 am-6:51 pm
1 stop9h 51m
Islip Long Island
to. 11/5
4:13 pm-11:50 pm
1 stop8h 37m
$317
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
to. 11/5
8:00 am-6:51 pm
1 stop9h 51m
Islip Long Island
ma. 11/9
3:43 pm-11:50 pm
1 stop9h 07m
$317
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
fr. 8/28
7:17 pm-9:53 am
1 stop13h 36m
Islip Long Island
sø. 8/30
10:57 am-6:32 pm
1 stop8h 35m
$331
Quickest round-trip
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
on. 9/30
3:30 pm-9:05 pm
1 stop4h 35m
Islip Long Island
lø. 10/3
6:15 am-11:45 am
1 stop6h 30m
$333
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
to. 9/3
7:10 pm-9:53 am
1 stop13h 43m
Islip Long Island
ma. 9/7
10:57 am-6:25 pm
1 stop8h 28m
$336
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
lø. 8/29
6:00 am-1:20 pm
1 stop6h 20m
Islip Long Island
ma. 8/31
6:10 am-11:55 am
1 stop6h 45m
$347
Showing 1-10 of 46 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 juli 26, 2026.
Wisconsin and Islip flights
Browse other Wisconsin and Islip flight options. Last updated on juli 26, 2026.
Popular flight searches
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Wisconsin to Islip flights
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Top airline flying from Wisconsin to Islip
Discover the top airline that operate flights from Wisconsin to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated juli 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$274 | Average$379 | FlexibilityNo cancel fee | On-time63% |