$128+ Cheap flights from Wisconsin to Islip, NY (ISP)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ISP
Oct 13 — Oct 201
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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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 September 13, 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 September 13, 2026.
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:05 am -
1 stop6h 50m
Mon 11/95:40 pm -
1 stop6h 50m
Deal found 9/8![Southwest logo]()
$255
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/158:26 am -
1 stop8h 04m
Mon 10/196:55 pm -
1 stop13h 56m
Deal found 9/9![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/158:26 am -
1 stop8h 04m
Sun 10/256:25 pm -
1 stop14h 06m
Deal found 9/9![Frontier logo]()
$259
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 11/56:55 am -
1 stop9h 10m
Mon 11/95:40 pm -
1 stop6h 50m
Deal found 9/9![Southwest logo]()
$260
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:30 am -
2 stops10h 35m
Sat 11/73:30 pm -
1 stop7h 05m
Deal found 9/8![Southwest logo]()
$266
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/226:58 pm -
1 stop22h 02m
Sat 10/246:25 pm -
1 stop14h 06m
Deal found 9/11![Frontier logo]()
$273
This Trip.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:11 pm -
1 stop20h 19m
Sun 10/186:25 pm -
1 stop14h 06m
Deal found 9/8![Frontier logo]()
$278
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/158:26 am -
1 stop8h 04m
Sun 10/186:25 pm -
1 stop14h 06m
Deal found 9/9![Frontier logo]()
$301
This Frontier deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:26 am -
1 stop8h 34m
Mon 10/126:55 pm -
1 stop13h 56m
Deal found 9/8![Frontier logo]()
$309
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:30 pm -
1 stop4h 30m
Thu 10/1511:00 am -
2 stops7h 50m
Deal found 9/8![Southwest logo]()
$309
This CheapOair deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 11/69:51 am -
1 stop7h 05m
Mon 11/96:54 pm -
1 stop23h 09m
Deal found 9/12![Frontier logo]()
$314
This CheapOair deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:50 pm -
1 stop24h 08m
Thu 10/86:25 pm -
1 stop25h 37m
Deal found 9/8![Frontier logo]()
$319
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 September 13, 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 September 13, 2026.
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:05 am -
1 stop6h 50m
Mon 11/95:40 pm -
1 stop6h 50m
Deal found 9/8![Southwest logo]()
$255
This CheapOair deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:50 pm -
1 stop24h 08m
Thu 10/86:25 pm -
1 stop25h 37m
Deal found 9/8![Frontier logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:50 pm -
2 stops20h 08m
Thu 10/86:25 pm -
1 stop14h 06m
Deal found 9/8![Multiple Airlines logo]()
$498
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:30 pm -
1 stop4h 30m
Thu 10/155:40 pm -
1 stop7h 10m
Deal found 9/8![Southwest logo]()
$255
This JetBlue deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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.
Fri 10/23:00 pm -
1 stop7h 22m
Mon 10/57:00 am -
1 stop7h 47m
Deal found 9/11![JetBlue logo]()
$579
This Frontier deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/158:26 am -
1 stop8h 04m
Mon 10/196:55 pm -
1 stop13h 56m
Deal found 9/11![Frontier logo]()
$334
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 11/55:30 am -
2 stops10h 35m
Mon 11/94:25 pm -
2 stops8h 30m
Deal found 9/9![Southwest logo]()
$320
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/86:50 pm -
1 stop3h 50m
Thu 10/153:10 pm -
1 stop9h 40m
Deal found 9/10![Southwest logo]()
$336
This KAYAK deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:38 am -
2 stops29h 10m
Fri 11/1311:13 am -
3 stops23h 45m
Deal found 9/10![Breeze Airways logo]()
$864
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:25 pm -
1 stop7h 50m
Fri 10/165:40 pm -
1 stop7h 10m
Deal found 9/8![Southwest logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 11/29:51 am -
1 stop7h 05m
Mon 11/96:54 pm -
1 stop23h 09m
Deal found 9/12![Frontier logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:11 pm -
2 stops14h 09m
Sun 10/186:25 pm -
1 stop14h 06m
Deal found 9/8![Multiple Airlines logo]()
$528
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Wed 10/147:44 pm -
2 stops20h 46m
Mon 10/196:55 pm -
1 stop13h 56m
Deal found 9/13![Frontier logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:43 am -
2 stops49h 37m
Thu 10/15:43 pm -
1 stop18h 23m
Deal found 9/11![Multiple Airlines logo]()
$543
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 12/2410:20 am -
2 stops9h 45m
Thu 12/3112:30 pm -
1 stop9h 50m
Deal found 9/12![Southwest logo]()
$438
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/87:44 pm -
2 stops21h 16m
Mon 10/126:55 pm -
1 stop13h 56m
Deal found 9/10![Frontier logo]()
$510
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Wed 10/147:44 pm -
2 stops20h 46m
Sun 10/186:25 pm -
1 stop14h 06m
Deal found 9/13![Frontier logo]()
$514
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/88:26 am -
1 stop8h 04m
Thu 10/156:25 pm -
1 stop14h 06m
Deal found 9/10![Frontier logo]()
$519
This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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.
Thu 10/86:00 pm -
2 stops40h 20m
Sun 10/117:45 pm -
2 stops39h 05m
Deal found 9/11![Breeze Airways logo]()
$898
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:45 am -
1 stop4h 50m
Mon 9/284:05 pm -
1 stop7h 05m
Deal found 9/8![Southwest logo]()
$563
This KAYAK deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Thu 10/16:00 pm -
2 stops40h 20m
Sun 10/47:45 pm -
3 stops43h 20m
Deal found 9/12![Breeze Airways logo]()
$933
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/257:40 am -
2 stops7h 45m
Sun 9/276:20 am -
1 stop7h 30m
Deal found 9/10![Southwest logo]()
$601
This Gotogate deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:38 am -
3 stops46h 55m
Mon 11/93:02 pm -
2 stops43h 56m
Deal found 9/8![Breeze Airways logo]()
$943
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/277:00 am -
1 stop10h 45m
Thu 10/15:40 pm -
1 stop7h 30m
Deal found 9/11![Southwest logo]()
$632
This KAYAK deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:33 am -
3 stops45h 26m
Wed 10/712:00 pm -
2 stops30h 20m
Deal found 9/12![Breeze Airways logo]()
$953
This KAYAK deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Thu 11/126:00 pm -
2 stops19h 22m
Sat 11/1412:00 pm -
2 stops30h 20m
Deal found 9/10![Breeze Airways logo]()
$968
This KAYAK deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:33 am -
3 stops47h 00m
Sat 10/312:00 pm -
2 stops30h 20m
Deal found 9/12![Breeze Airways logo]()
$993
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 11/2512:55 pm -
2 stops9h 40m
Sat 11/281:35 pm -
2 stops11h 20m
Deal found 9/9![Southwest logo]()
$807
This KAYAK deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:15 pm -
2 stops45h 02m
Mon 10/511:13 am -
3 stops47h 45m
Deal found 9/12![Breeze Airways logo]()
$1,033
This KAYAK deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:38 am -
2 stops29h 55m
Mon 11/303:02 pm -
2 stops19h 48m
Deal found 9/10![Breeze Airways logo]()
$1,218
Last-minute flights from Wisconsin to IslipDiscover last-minute flight deals from Wisconsin to Islip. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Islip. Data last updated September 13, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:30 am -
1 stop6h 00m
Wed 9/306:05 am -
1 stop6h 55m
Deal found 9/11![Southwest logo]()
$441
This CheapOair deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:50 pm -
1 stop24h 08m
Thu 10/86:25 pm -
1 stop25h 37m
Deal found 9/8![Frontier logo]()
$319
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/86:50 pm -
1 stop3h 50m
Thu 10/153:10 pm -
1 stop9h 40m
Deal found 9/10![Southwest logo]()
$336
This Frontier deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:26 am -
1 stop8h 34m
Mon 10/126:55 pm -
1 stop13h 56m
Deal found 9/8![Frontier logo]()
$309
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:30 pm -
1 stop4h 30m
Thu 10/155:40 pm -
1 stop7h 10m
Deal found 9/8![Southwest logo]()
$255
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/158:26 am -
1 stop8h 04m
Mon 10/196:55 pm -
1 stop13h 56m
Deal found 9/9![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/158:26 am -
1 stop8h 04m
Sun 10/256:25 pm -
1 stop14h 06m
Deal found 9/9![Frontier logo]()
$259
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/158:26 am -
1 stop8h 04m
Sun 10/186:25 pm -
1 stop14h 06m
Deal found 9/9![Frontier logo]()
$301
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:25 pm -
1 stop7h 50m
Fri 10/165:40 pm -
1 stop7h 10m
Deal found 9/8![Southwest logo]()
$348
This Trip.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:11 pm -
1 stop20h 19m
Sun 10/186:25 pm -
1 stop14h 06m
Deal found 9/8![Frontier logo]()
$278
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/226:58 pm -
1 stop22h 02m
Sat 10/246:25 pm -
1 stop14h 06m
Deal found 9/11![Frontier logo]()
$273
This Frontier deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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.
Sat 10/248:46 am -
1 stop7h 44m
Sun 10/256:25 pm -
1 stop14h 06m
Deal found 9/11![Frontier logo]()
$320
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 September 13, 2026.
Search for one-way flight options from Wisconsin to Islip. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/158:26 am -
1 stop8h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$128
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/212:30 pm -
1 stop4h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$128
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Wed 11/255:40 am -
1 stop9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$129
This Trip.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:50 pm -
1 stop24h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$139
This Frontier deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 11/69:51 am -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$141
This CheapOair deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Tue 10/63:50 pm -
1 stop24h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$147
This Expedia deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:50 pm -
1 stop24h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$156
This CheapOair deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:58 pm -
1 stop22h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$158
This Frontier deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 11/59:51 am -
1 stop6h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/56:56 pm -
2 stops21h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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.
Sat 10/248:46 am -
1 stop7h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$170
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Tue 9/223:50 pm -
1 stop24h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$178
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 September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $255 (Southwest) |
One-way from | $128 (Frontier) |
Popular in | November |
Cheapest in | January |
Average price | $369 |
Cheapflights Fare Finder
Customize your flight search to find flights from Wisconsin to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 13, 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
Quickest round-trip
MilwaukeeIslip
MKE Milwaukee-Mitchell - ISP Islip Long Island
MKEISP
Milwaukee-Mitchell
Wed 10/21
2:30 pm-8:00 pm
1 stop4h 30m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Tue 10/6
3:50 pm-4:58 pm
1 stop24h 08m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$147
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Fri 9/18
3:50 pm-4:58 pm
1 stop24h 08m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$156
MinneapolisIslip
MSP Minneapolis St Paul - ISP Islip Long Island
MSPISP
Minneapolis St Paul
Mon 10/5
6:56 pm-4:58 pm
2 stops21h 02m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$166
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Tue 9/22
3:50 pm-4:58 pm
1 stop24h 08m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$178
MinneapolisIslip
MSP Minneapolis St Paul - ISP Islip Long Island
MSPISP
Minneapolis St Paul
Fri 10/2
6:15 am-2:30 pm
1 stop7h 15m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$180
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Thu 10/15
8:26 am-5:30 pm
1 stop8h 04m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Sun 10/11
8:26 am-5:30 pm
1 stop8h 04m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$205
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Sun 10/4
7:28 pm-11:20 am
2 stops38h 52m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$216
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Wed 10/28
7:15 am-5:33 pm
3 stops33h 18m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$233
Showing 1-10 of 53 resultsSorted by cheapest first
Best time to book a flight from Wisconsin to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from Wisconsin with our price prediction graph.
MKE-ISP
ORD-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
MKE-ISP
ORD-ISP
MSN-ISP
MSP-ISP
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Wisconsin to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Islip?
Book flights to Islip if you plan to visit one of these locationsRiverhead
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Other flights to Islip
Explore flights to Islip departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 13, 2026.
Wisconsin and Islip flights
Browse other Wisconsin and Islip flight options. Last updated on September 13, 2026.
Popular flight searches
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Wisconsin to Islip flights
Consider these flights traveling from Wisconsin to Islip.
Top airline flying from Wisconsin to Islip
Discover the top airline that operate flights from Wisconsin to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$274 | Average$379 | FlexibilityNo cancel fee | On-time63% |