$114+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ISP
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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Find cheap flights from Wisconsin to Islip with Cheapflights
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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 May 6, 2026.
Explore the most affordable flight options available from Wisconsin to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
This Frontier deal was found by Cheapflights users on 5/3. 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.
Thu 6/118:53 am
MKE
- ISP
1 stop11h 04m
Frontier
Mon 6/159:52 pm
ISP
- MKE
1 stop11h 06m
Frontier
Deal found 5/3![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:16 am
ORD
- ISP
1 stop9h 41m
Frontier
Thu 6/189:52 pm
ISP
- ORD
1 stop12h 29m
Frontier
Deal found 5/1![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Tue 5/193:55 pm
ORD
- ISP
1 stop17h 10m
Multiple Airlines
Sat 5/2311:57 am
ISP
- ORD
2 stops36h 16m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:45 pm
MKE
- ISP
1 stop3h 50m
Southwest
Sun 6/145:20 pm
ISP
- MKE
1 stop6h 20m
Southwest
Deal found 5/3![Southwest logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:59 pm
ORD
- ISP
1 stop26h 58m
Multiple Airlines
Tue 6/167:18 pm
ISP
- ORD
2 stops25h 32m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$315
This Frontier deal was found by Cheapflights users on 5/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:00 am
ORD
- ISP
1 stop9h 51m
Frontier
Sun 11/154:13 pm
ISP
- ORD
1 stop8h 37m
Frontier
Deal found 5/5![Frontier logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:59 pm
ORD
- ISP
1 stop26h 58m
Frontier
Sat 6/139:52 pm
ISP
- ORD
2 stops14h 44m
Frontier
Deal found 5/1![Frontier logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/285:11 pm
ORD
- ISP
1 stop15h 54m
Multiple Airlines
Sun 5/317:49 pm
ISP
- ORD
2 stops25h 02m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/154:59 pm
ORD
- ISP
1 stop21h 57m
Multiple Airlines
Fri 6/199:52 pm
ISP
- ORD
2 stops21h 10m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:59 pm
ORD
- ISP
1 stop26h 58m
Frontier
Sun 6/149:52 pm
ISP
- ORD
1 stop12h 29m
Frontier
Deal found 5/1![Frontier logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:59 pm
ORD
- ISP
1 stop26h 58m
Multiple Airlines
Mon 6/152:28 pm
ISP
- ORD
2 stops30h 22m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:59 pm
ORD
- ISP
1 stop26h 58m
Frontier
Mon 6/159:52 pm
ISP
- ORD
2 stops22h 58m
Frontier
Deal found 5/1![Frontier logo]()
$349
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 May 6, 2026.
Discover carefully curated flight deals from Wisconsin to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
This Frontier deal was found by Cheapflights users on 5/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:53 am
MKE
- ISP
1 stop11h 04m
Frontier
Mon 6/229:52 pm
ISP
- MKE
1 stop11h 06m
Frontier
Deal found 5/5![Frontier logo]()
$230
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:45 pm
MKE
- ISP
1 stop3h 50m
Southwest
Sun 6/145:20 pm
ISP
- MKE
1 stop6h 20m
Southwest
Deal found 5/3![Southwest logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/154:59 pm
ORD
- ISP
1 stop21h 57m
Multiple Airlines
Fri 6/199:52 pm
ISP
- ORD
2 stops21h 10m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$342
This JetBlue deal was found by Cheapflights users on 5/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:35 pm
ORD
- ISP
1 stop7h 21m
JetBlue
Wed 8/266:00 am
ISP
- ORD
1 stop8h 39m
JetBlue
Deal found 5/5![JetBlue logo]()
$435
This Southwest deal was found by Cheapflights users on 5/3. 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.
Wed 5/2711:55 am
ORD
- ISP
2 stops9h 15m
Southwest
Sat 5/306:00 am
ISP
- ORD
2 stops10h 30m
Southwest
Deal found 5/3![Southwest logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:59 pm
ORD
- ISP
1 stop26h 58m
Multiple Airlines
Tue 6/167:18 pm
ISP
- ORD
2 stops25h 32m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$378
This Frontier deal was found by Cheapflights users on 5/4. 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 6/1210:16 am
ORD
- ISP
1 stop9h 41m
Frontier
Sun 6/149:52 pm
ISP
- ORD
1 stop12h 29m
Frontier
Deal found 5/4![Frontier logo]()
$395
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:05 pm
ORD
- ISP
1 stop6h 25m
Southwest
Sun 5/311:50 pm
ISP
- ORD
1 stop9h 05m
Southwest
Deal found 5/3![Southwest logo]()
$401
This Southwest deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:45 am
MSP
- ISP
2 stops8h 30m
Southwest
Tue 6/92:55 pm
ISP
- MSP
2 stops8h 50m
Southwest
Deal found 5/5![Southwest logo]()
$407
This KAYAK deal was found by Cheapflights users on 5/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:50 pm
MSN
- ISP
1 stop20h 57m
Breeze Airways
Thu 6/257:49 pm
ISP
- MSN
3 stops38h 25m
Breeze Airways
Deal found 5/5![Breeze Airways logo]()
$1,038
This Southwest deal was found by Cheapflights users on 5/4. 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 5/1911:30 am
MKE
- ISP
2 stops9h 40m
Southwest
Sat 5/234:25 pm
ISP
- MKE
1 stop6h 50m
Southwest
Deal found 5/4![Southwest logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:40 pm
MSP
- ISP
1 stop19h 25m
Multiple Airlines
Mon 5/2511:00 am
ISP
- MSP
2 stops47h 19m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$505
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:50 am
MKE
- ISP
2 stops8h 40m
Southwest
Mon 5/255:10 pm
ISP
- MKE
1 stop6h 40m
Southwest
Deal found 5/3![Southwest logo]()
$422
This Southwest deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:05 pm
ORD
- ISP
1 stop6h 25m
Southwest
Sun 5/311:50 pm
ISP
- ORD
1 stop9h 05m
Southwest
Deal found 5/5![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/213:05 pm
ORD
- ISP
1 stop6h 25m
Southwest
Sun 5/248:00 am
ISP
- ORD
1 stop9h 10m
Southwest
Deal found 5/1![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:10 am
MKE
- ISP
1 stop5h 40m
Southwest
Thu 5/218:35 am
ISP
- MKE
1 stop4h 35m
Southwest
Deal found 5/1![Southwest logo]()
$460
This Southwest deal was found by Cheapflights users on 5/5. 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.
Mon 6/225:25 am
MSP
- ISP
1 stop5h 25m
Southwest
Thu 6/253:05 pm
ISP
- MSP
2 stops9h 10m
Southwest
Deal found 5/5![Southwest logo]()
$461
This KAYAK deal was found by Cheapflights users on 5/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:50 pm
MSN
- ISP
1 stop20h 57m
Breeze Airways
Fri 6/262:28 pm
ISP
- MSN
2 stops19h 46m
Breeze Airways
Deal found 5/5![Breeze Airways logo]()
$1,078
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:40 am
MSP
- ISP
1 stop6h 50m
Southwest
Sat 5/239:20 am
ISP
- MSP
1 stop8h 55m
Southwest
Deal found 5/3![Southwest logo]()
$512
This Southwest deal was found by Cheapflights users on 5/6. 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.
Thu 5/216:15 am
MSP
- ISP
2 stops9h 15m
Southwest
Mon 5/258:35 am
ISP
- MSP
2 stops7h 25m
Southwest
Deal found 5/6![Southwest logo]()
$547
Last-minute flights from Wisconsin to IslipDiscover last-minute flight deals from Wisconsin to Islip. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Islip. Data last updated May 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Tue 5/193:55 pm
ORD
- ISP
1 stop17h 10m
Multiple Airlines
Sat 5/2311:57 am
ISP
- ORD
2 stops36h 16m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/285:11 pm
ORD
- ISP
1 stop15h 54m
Multiple Airlines
Sun 5/317:49 pm
ISP
- ORD
2 stops25h 02m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/56:25 am
MSP
- ISP
1 stop26h 50m
Multiple Airlines
Tue 6/97:18 pm
ISP
- MSP
1 stop25h 30m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:59 pm
ORD
- ISP
1 stop26h 58m
Multiple Airlines
Tue 6/167:18 pm
ISP
- ORD
2 stops25h 32m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:59 pm
ORD
- ISP
1 stop26h 58m
Frontier
Sat 6/139:52 pm
ISP
- ORD
2 stops14h 44m
Frontier
Deal found 5/1![Frontier logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:59 pm
ORD
- ISP
1 stop26h 58m
Frontier
Sun 6/149:52 pm
ISP
- ORD
1 stop12h 29m
Frontier
Deal found 5/1![Frontier logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:59 pm
ORD
- ISP
1 stop26h 58m
Multiple Airlines
Mon 6/152:28 pm
ISP
- ORD
2 stops30h 22m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:59 pm
ORD
- ISP
1 stop26h 58m
Frontier
Mon 6/159:52 pm
ISP
- ORD
2 stops22h 58m
Frontier
Deal found 5/1![Frontier logo]()
$349
This Frontier deal was found by Cheapflights users on 5/3. 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.
Thu 6/118:53 am
MKE
- ISP
1 stop11h 04m
Frontier
Mon 6/159:52 pm
ISP
- MKE
1 stop11h 06m
Frontier
Deal found 5/3![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:16 am
ORD
- ISP
1 stop9h 41m
Frontier
Thu 6/189:52 pm
ISP
- ORD
1 stop12h 29m
Frontier
Deal found 5/1![Frontier logo]()
$250
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:45 pm
MKE
- ISP
1 stop3h 50m
Southwest
Sun 6/145:20 pm
ISP
- MKE
1 stop6h 20m
Southwest
Deal found 5/3![Southwest logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/154:59 pm
ORD
- ISP
1 stop21h 57m
Multiple Airlines
Fri 6/199:52 pm
ISP
- ORD
2 stops21h 10m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$342
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 May 6, 2026.
Search for one-way flight options from Wisconsin to Islip. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Thu 6/45:11 pm
ORD
- ISP
1 stop15h 54m
Frontier
Deal found 5/4![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:16 am
ORD
- ISP
1 stop9h 41m
Frontier
Deal found 5/1![Frontier logo]()
$115
This CheapOair deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:30 pm
ORD
- ISP
1 stop15h 33m
Frontier
Deal found 5/2![Frontier logo]()
$121
This CheapOair deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:30 pm
ORD
- ISP
1 stop16h 30m
Frontier
Deal found 5/2![Frontier logo]()
$122
This Frontier deal was found by Cheapflights users on 5/3. 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.
Tue 10/136:05 am
ORD
- ISP
1 stop7h 58m
Frontier
Deal found 5/3![Frontier logo]()
$135
This Lucky2Go deal was found by Cheapflights users on 5/4. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:00 am
MSP
- ISP
1 stop24h 05m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$155
This Trip.com deal was found by Cheapflights users on 5/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:30 pm
ORD
- ISP
1 stop15h 35m
Frontier
Deal found 5/4![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:15 am
ORD
- ISP
2 stops25h 43m
Frontier
Deal found 5/1![Frontier logo]()
$197
This Frontier deal was found by Cheapflights users on 5/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2210:16 am
ORD
- ISP
1 stop9h 41m
Frontier
Deal found 5/5![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:11 pm
ORD
- ISP
1 stop16h 04m
Frontier
Deal found 5/1![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 10/146:05 am
ORD
- ISP
2 stops27h 12m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$207
This CheapOair deal was found by Cheapflights users on 5/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:55 pm
ORD
- ISP
1 stop17h 32m
Frontier
Deal found 5/4![Frontier logo]()
$211
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 May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $230 (Frontier) |
One-way from | $114 (Kiwi.com) |
Popular in | April |
Cheapest in | January |
Average price | $351 |
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 May 6, 2026.
Use the filters below to find and compare flights from Wisconsin to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Thu 6/18
8:53 am-8:57 pm
1 stop11h 04m
Islip Long Island
Mon 6/22
9:52 pm-7:58 am
1 stop11h 06m
$230
Quickest round-trip
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Fri 6/12
6:45 pm-11:35 pm
1 stop3h 50m
Islip Long Island
Sun 6/14
5:20 pm-10:40 pm
1 stop6h 20m
$313
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Mon 6/15
4:59 pm-3:56 pm
1 stop21h 57m
Islip Long Island
Fri 6/19
9:52 pm-6:02 pm
2 stops21h 10m
$342
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Wed 5/27
11:55 am-10:10 pm
2 stops9h 15m
Islip Long Island
Sat 5/30
6:00 am-3:30 pm
2 stops10h 30m
$365
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Wed 6/10
4:59 pm-8:57 pm
1 stop26h 58m
Islip Long Island
Tue 6/16
7:18 pm-7:50 pm
2 stops25h 32m
$378
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Fri 6/12
10:16 am-8:57 pm
1 stop9h 41m
Islip Long Island
Sun 6/14
9:52 pm-9:21 am
1 stop12h 29m
$395
ChicagoIslip
ORD - ISP
ORDISP
Chicago O'Hare Intl
Thu 5/28
3:05 pm-10:30 pm
1 stop6h 25m
Islip Long Island
Sun 5/31
1:50 pm-9:55 pm
1 stop9h 05m
$401
MinneapolisIslip
MSP - ISP
MSPISP
Minneapolis St Paul
Fri 6/5
7:45 am-5:15 pm
2 stops8h 30m
Islip Long Island
Tue 6/9
2:55 pm-10:45 pm
2 stops8h 50m
$407
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Tue 5/19
11:30 am-10:10 pm
2 stops9h 40m
Islip Long Island
Sat 5/23
4:25 pm-10:15 pm
1 stop6h 50m
$416
MilwaukeeIslip
MKE - ISP
MKEISP
Milwaukee-Mitchell
Thu 5/21
6:50 am-4:30 pm
2 stops8h 40m
Islip Long Island
Mon 5/25
5:10 pm-10:50 pm
1 stop6h 40m
$422
Showing 1-10 of 32 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.
MKE-ISP
ORD-ISP
MSP-ISP
MSN-ISP
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Wisconsin to Islip
USWI-ISP
MKE-ISP
ORD-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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Alternative routes for Wisconsin to Islip
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Other flights to Islip
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Wisconsin and Islip flights
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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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$244 | Average$374 | FlexibilityNo cancel fee | On-time63% |