$122+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ISP
Oct 17 — Oct 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 17, 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 17, 2026.
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 55m
Deal found 9/14![Southwest logo]()
$251
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/272:55 pm -
1 stop6h 45m
Wed 10/289:40 am -
1 stop6h 10m
Deal found 9/15![Southwest logo]()
$258
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates ” 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
Sat 10/106:25 pm -
1 stop14h 06m
Deal found 9/14![Frontier logo]()
$268
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/135:30 am -
2 stops10h 35m
Wed 11/1812:30 pm -
2 stops10h 20m
Deal found 9/15![Southwest logo]()
$271
This Trip.com 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 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
Mon 10/196:55 pm -
1 stop13h 56m
Deal found 9/13![Frontier logo]()
$297
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/272:55 pm -
1 stop6h 45m
Thu 10/296:00 am -
1 stop7h 00m
Deal found 9/15![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/22:50 pm -
1 stop7h 40m
Wed 11/44:05 pm -
2 stops7h 55m
Deal found 9/15![Southwest logo]()
$308
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/165:30 am -
2 stops9h 45m
Wed 11/186:05 am -
1 stop9h 45m
Deal found 9/15![Southwest logo]()
$317
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/245:40 am -
1 stop9h 05m
Mon 11/304:40 pm -
1 stop9h 02m
Deal found 9/15![Frontier logo]()
$328
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 9/14![Frontier logo]()
$329
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 9/14![Frontier logo]()
$331
This Trip.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 9/17![Frontier logo]()
$339
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 17, 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 17, 2026.
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 55m
Deal found 9/14![Southwest logo]()
$251
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 10/158:26 am -
1 stop8h 04m
Mon 10/196:55 pm -
1 stop13h 56m
Deal found 9/12![Frontier logo]()
$329
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/167:00 am -
1 stop13h 37m
Sun 10/186:25 pm -
1 stop14h 06m
Deal found 9/14![Multiple Airlines logo]()
$476
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/136:55 am -
1 stop3h 50m
Wed 11/184:05 pm -
1 stop6h 20m
Deal found 9/15![Southwest logo]()
$251
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/275:30 am -
2 stops9h 15m
Wed 10/289:40 am -
1 stop6h 10m
Deal found 9/15![Southwest logo]()
$264
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 10/158:26 am -
1 stop8h 04m
Sun 10/186:25 pm -
1 stop14h 06m
Deal found 9/12![Frontier logo]()
$331
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/165:30 am -
2 stops9h 45m
Wed 11/184:05 pm -
2 stops7h 55m
Deal found 9/15![Southwest logo]()
$307
This KAYAK deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 11/1010:30 am -
2 stops23h 50m
Fri 11/133:02 pm -
2 stops19h 56m
Deal found 9/16![Breeze Airways logo]()
$878
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 12/1112:45 pm -
2 stops9h 45m
Mon 12/146:05 am -
1 stop9h 45m
Deal found 9/14![Southwest logo]()
$366
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/236:50 pm -
1 stop3h 50m
Sun 10/255:40 am -
1 stop5h 45m
Deal found 9/14![Southwest logo]()
$376
This Southwest deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 11/22:50 pm -
1 stop7h 40m
Tue 11/36:05 am -
1 stop9h 45m
Deal found 9/17![Southwest logo]()
$377
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/97:44 pm -
2 stops20h 46m
Mon 10/126:55 pm -
1 stop13h 56m
Deal found 9/15![Frontier logo]()
$558
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:46 am -
1 stop7h 44m
Tue 10/136:00 am -
1 stop8h 50m
Deal found 9/15![Multiple Airlines logo]()
$712
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/61:40 pm -
2 stops8h 00m
Tue 10/136:05 am -
2 stops9h 25m
Deal found 9/14![Southwest logo]()
$402
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 10/97:44 pm -
2 stops20h 46m
Sun 10/116:25 pm -
1 stop14h 06m
Deal found 9/12![Frontier logo]()
$597
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/22:50 pm -
1 stop7h 40m
Wed 11/46:05 am -
1 stop9h 45m
Deal found 9/15![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/212:25 pm -
2 stops10h 05m
Sat 11/712:45 pm -
2 stops8h 30m
Deal found 9/15![Southwest logo]()
$412
This KAYAK deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 11/1010:30 am -
2 stops23h 50m
Thu 11/125:28 pm -
2 stops47h 50m
Deal found 9/16![Breeze Airways logo]()
$888
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:26 pm -
2 stops24h 40m
Sat 11/284:43 pm -
1 stop8h 59m
Deal found 9/13![Frontier logo]()
$750
This KAYAK deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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.
Sun 11/86:00 pm -
2 stops40h 20m
Fri 11/1311:55 am -
1 stop29h 23m
Deal found 9/16![Breeze Airways logo]()
$908
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/22:25 pm -
2 stops8h 10m
Mon 10/53:10 pm -
2 stops8h 25m
Deal found 9/15![Southwest logo]()
$452
This KAYAK deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 11/410:38 am -
3 stops45h 21m
Fri 11/1311:13 am -
3 stops23h 45m
Deal found 9/16![Breeze Airways logo]()
$914
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.
Mon 10/128:26 am -
1 stop8h 34m
Sun 10/186:25 pm -
1 stop14h 06m
Deal found 9/12![Frontier logo]()
$795
This KAYAK deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:38 am -
2 stops29h 55m
Mon 11/93:02 pm -
2 stops19h 48m
Deal found 9/16![Breeze Airways logo]()
$918
This KAYAK deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 12/110:30 am -
2 stops46h 47m
Fri 12/43:02 pm -
2 stops19h 56m
Deal found 9/14![Breeze Airways logo]()
$978
This KAYAK deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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.
Sun 10/116:00 pm -
2 stops19h 22m
Tue 10/1312:00 pm -
2 stops22h 58m
Deal found 9/17![Breeze Airways logo]()
$998
This KAYAK deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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
Mon 10/511:13 am -
3 stops47h 45m
Deal found 9/17![Breeze Airways logo]()
$1,083
This KAYAK deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:38 am -
3 stops46h 55m
Fri 11/2711:13 am -
3 stops23h 45m
Deal found 9/16![Breeze Airways logo]()
$1,324
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:10 pm -
2 stops37h 49m
Sun 11/2910:57 am -
2 stops47h 53m
Deal found 9/13![Breeze Airways logo]()
$1,778
Last-minute flights from Wisconsin to IslipDiscover last-minute flight deals from Wisconsin to Islip. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Islip. Data last updated September 17, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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
Sat 10/106:25 pm -
1 stop14h 06m
Deal found 9/14![Frontier logo]()
$268
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:26 am -
1 stop8h 04m
Sat 10/176:25 pm -
1 stop14h 06m
Deal found 9/15![Frontier logo]()
$354
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 9/14![Frontier logo]()
$329
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 9/14![Frontier logo]()
$331
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.
Thu 10/158:26 am -
1 stop8h 04m
Sat 10/176:25 pm -
1 stop14h 06m
Deal found 9/13![Frontier logo]()
$355
This Trip.com 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 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
Mon 10/196:55 pm -
1 stop13h 56m
Deal found 9/13![Frontier logo]()
$297
This Trip.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 9/17![Frontier logo]()
$339
This Trip.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 9/16![Frontier logo]()
$344
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/236:50 pm -
1 stop3h 50m
Sun 10/255:40 am -
1 stop5h 45m
Deal found 9/14![Southwest logo]()
$376
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/272:55 pm -
1 stop6h 45m
Wed 10/289:40 am -
1 stop6h 10m
Deal found 9/15![Southwest logo]()
$258
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/272:55 pm -
1 stop6h 45m
Thu 10/296:00 am -
1 stop7h 00m
Deal found 9/15![Southwest logo]()
$297
This Trip.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 10/309:51 am -
1 stop7h 05m
Sun 11/16:33 pm -
1 stop15h 13m
Deal found 9/17![Frontier logo]()
$367
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 17, 2026.
Search for one-way flight options from Wisconsin to Islip. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Priceline deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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.
Sun 11/110:15 am -
1 stop6h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$122
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/56:25 pm -
1 stop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$128
This Southwest deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 2/101:55 pm -
1 stop6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$129
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 11/510:15 am -
1 stop6h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$132
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 Travelocity deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:11 pm -
1 stop20h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$147
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 Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/62:55 pm -
1 stop6h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$171
This Frontier deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 9/17![Frontier logo]()
$178
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.
Mon 11/99:51 am -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/198:26 am -
1 stop8h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$187
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:50 pm -
1 stop24h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$188
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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $251 (Southwest) |
One-way from | $122 (Priceline) |
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 17, 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 Milwaukee-Mitchell - ISP Islip Long Island
MKEISP
Milwaukee-Mitchell
Sun 11/1
10:15 am-5:31 pm
1 stop6h 16m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$122
MilwaukeeIslip
MKE Milwaukee-Mitchell - ISP Islip Long Island
MKEISP
Milwaukee-Mitchell
Thu 11/5
10:15 am-5:31 pm
1 stop6h 16m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$122
MinneapolisIslip
MSP Minneapolis St Paul - ISP Islip Long Island
MSPISP
Minneapolis St Paul
Wed 2/10
1:55 pm-9:30 pm
1 stop6h 35m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$129
MilwaukeeIslip
MKE Milwaukee-Mitchell - ISP Islip Long Island
MKEISP
Milwaukee-Mitchell
Thu 11/5
5:30 am-5:05 pm
2 stops10h 35m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$139
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Thu 11/5
9:51 am-5:31 pm
1 stop6h 40m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$160
MinneapolisIslip
MSP Minneapolis St Paul - ISP Islip Long Island
MSPISP
Minneapolis St Paul
Tue 10/6
2:55 pm-10:40 pm
1 stop6h 45m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$171
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Mon 11/9
9:51 am-5:56 pm
1 stop7h 05m
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 9/24
3:50 pm-4:58 pm
1 stop24h 08m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$188
ChicagoIslip
ORD Chicago O'Hare Intl - ISP Islip Long Island
ORDISP
Chicago O'Hare Intl
Sat 11/7
9:51 am-5:31 pm
1 stop6h 40m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
MinneapolisIslip
MSP Minneapolis St Paul - ISP Islip Long Island
MSPISP
Minneapolis St Paul
Tue 10/6
2:33 pm-10:17 am
3 stops42h 44m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$196
Showing 1-10 of 58 resultsSorted by cheapest first
Best time to book a flight from Wisconsin to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from Wisconsin with our price prediction graph.
MKE-ISP
MSP-ISP
ORD-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
MSP-ISP
ORD-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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Islip flight routes
Other flight options
Popular flights
Top destinations
Alternative routes for Wisconsin to Islip
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Islip by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Wisconsin to Islip by cabin class
Find flights from Wisconsin to Islip, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 17, 2026.
Wisconsin and Islip flights
Browse other Wisconsin and Islip flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$274 | Average$379 | FlexibilityNo cancel fee | On-time63% |