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Islip

$128+ Cheap flights from Wisconsin to Islip, NY (ISP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ISP
Jul 27 — Aug 31
Mon 7/27
Mon 8/3
1 adult, Economy
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Cheap flight deals from Wisconsin to Islip

Cheapest flights from Wisconsin to Islip
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 June 27, 2026.

This Frontier deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 9/27:44 pm
ORD
-
ISP
1 stop13h 09m
Frontier
Wed 9/94:13 pm
ISP
-
ORD
1 stop8h 42m
Frontier
Deal found 6/27$258
This Frontier deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:44 pm
ORD
-
ISP
1 stop13h 09m
Frontier
Wed 9/94:13 pm
ISP
-
ORD
1 stop8h 42m
Frontier
Deal found 6/26$263
This Frontier deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:44 pm
ORD
-
ISP
1 stop13h 09m
Frontier
Mon 9/710:57 am
ISP
-
ORD
1 stop13h 11m
Frontier
Deal found 6/27$268
This Frontier deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 9/27:44 pm
ORD
-
ISP
1 stop13h 09m
Frontier
Tue 9/810:57 am
ISP
-
ORD
1 stop13h 11m
Frontier
Deal found 6/27$273
This Frontier deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:44 pm
ORD
-
ISP
1 stop13h 09m
Frontier
Tue 9/810:57 am
ISP
-
ORD
1 stop13h 11m
Frontier
Deal found 6/27$278
This Frontier deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:05 am
ORD
-
ISP
1 stop11h 09m
Frontier
Sun 8/3010:57 am
ISP
-
ORD
1 stop13h 11m
Frontier
Deal found 6/25$288
This Frontier deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:05 am
ORD
-
ISP
1 stop11h 09m
Frontier
Wed 9/94:13 pm
ISP
-
ORD
1 stop8h 42m
Frontier
Deal found 6/27$300
This Frontier deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:05 am
ORD
-
ISP
1 stop11h 09m
Frontier
Mon 9/710:57 am
ISP
-
ORD
1 stop13h 11m
Frontier
Deal found 6/27$305
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:44 pm
ORD
-
ISP
1 stop13h 09m
Frontier
Sun 8/2310:57 am
ISP
-
ORD
1 stop13h 11m
Frontier
Deal found 6/24$320
This Kiwi.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/285:13 pm
ORD
-
ISP
1 stop15h 40m
Frontier
Wed 8/510:57 am
ISP
-
ORD
1 stop13h 13m
Frontier
Deal found 6/27$321
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:05 pm
MKE
-
ISP
1 stop5h 00m
Southwest
Sun 8/306:20 am
ISP
-
MKE
1 stop6h 50m
Southwest
Deal found 6/26$328
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:30 pm
MSP
-
ISP
1 stop4h 35m
Southwest
Sat 10/33:40 pm
ISP
-
MSP
1 stop5h 40m
Southwest
Deal found 6/24$333

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 June 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$252
(Southwest)

One-way from

$128
(Frontier)

Popular in

November

Cheapest in

January

Average price

$418
Provider with most accurate pricing for Milwaukee-Mitchell-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-New York (NYC) flights.
Search Deals
From Wisconsin to Islip Long Island
Search Deals
One-way flight from Wisconsin to Islip Long Island
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 27, 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

Price

Cheapest round-trip

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Wed 9/2

7:44 pm-9:53 am

1 stop13h 09m

Islip Long Island

Wed 9/9

4:13 pm-11:55 pm

1 stop8h 42m

$258

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Thu 9/3

7:44 pm-9:53 am

1 stop13h 09m

Islip Long Island

Wed 9/9

4:13 pm-11:55 pm

1 stop8h 42m

$273

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Fri 9/4

9:10 pm-6:14 pm

1 stop20h 04m

Islip Long Island

Mon 9/7

10:57 am-11:08 pm

1 stop13h 11m

$278

MilwaukeeIslip

MKE - ISP

MKEISP

Milwaukee-Mitchell

Tue 8/25

3:05 pm-9:05 pm

1 stop5h 00m

Islip Long Island

Sun 8/30

6:20 am-1:35 pm

2 stops8h 15m

$333

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Fri 7/10

5:13 pm-9:53 am

1 stop15h 40m

Islip Long Island

Mon 7/13

10:57 am-11:10 pm

1 stop13h 13m

$349

MilwaukeeIslip

MKE - ISP

MKEISP

Milwaukee-Mitchell

Thu 7/16

8:15 pm-10:30 am

1 stop13h 15m

Islip Long Island

Wed 7/29

2:55 pm-10:25 pm

1 stop8h 30m

$363

MilwaukeeIslip

MKE - ISP

MKEISP

Milwaukee-Mitchell

Wed 8/5

3:05 pm-9:05 pm

1 stop5h 00m

Islip Long Island

Mon 8/10

6:45 am-4:20 pm

1 stop10h 35m

$365
Quickest round-trip

MilwaukeeIslip

MKE - ISP

MKEISP

Milwaukee-Mitchell

Fri 8/7

5:00 pm-10:05 pm

1 stop4h 05m

Islip Long Island

Sun 8/9

6:20 am-1:35 pm

2 stops8h 15m

$380

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Wed 10/7

3:00 pm-11:22 pm

1 stop7h 22m

Islip Long Island

Sun 10/11

4:13 pm-11:55 pm

1 stop8h 42m

$381

MinneapolisIslip

MSP - ISP

MSPISP

Minneapolis St Paul

Wed 8/12

6:00 am-12:10 pm

1 stop5h 10m

Islip Long Island

Wed 8/19

10:55 am-6:40 pm

2 stops8h 45m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Showing 1-10 of 49 resultsSorted by cheapest first
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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.
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
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.

  • What airport do you fly into for flights to Islip from Wisconsin?

    If you book a flight to Islip from Wisconsin, you will be flying to Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.

  • How long is the flight from Wisconsin to Islip, New York?

    Frontier and Southwest can get you from Wisconsin to Islip, New York in just under 5h. Your travel time can differ by up to 8h 09m. The distance between Wisconsin and Islip, New York is about 774 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Wisconsin to Islip, New York?

    The most popular route from Wisconsin to Islip, New York is Chicago O'Hare Intl - Islip Long Island. You may also consider Minneapolis St Paul - Islip Long Island or Milwaukee-Mitchell - Islip Long Island.

  • Can I find deals for flights from Wisconsin to Islip that include hotel bookings?

    Yes. In addition to deals on Wisconsin to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Wisconsin to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wisconsin to Islip.

  • Can I find deals for business class flights from Wisconsin to Islip?

    Yes. Cheapflights offers flight deals from Wisconsin to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead

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Alternative routes for Wisconsin to Islip

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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 June 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$232Average$374FlexibilityNo cancel feeOn-time63%

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