HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Wisconsin

$67+ Cheap flights from Islip, NY (ISP) to Wisconsin

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MKE
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to Wisconsin 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 Islip to Wisconsin

Keep the following information in mind while searching for Islip to Wisconsin flight deals. Data was last updated February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$135
(Booking.com)

One-way from

$67
(Cheapflightsfares)

Popular in

December

Cheapest in

April

Average price

$286
Provider with most accurate pricing for New York (NYC)-Milwaukee-Mitchell flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Milwaukee-Mitchell flights.
Search Deals
From Islip Long Island to Wisconsin
Search Deals
One-way flight from Islip Long Island to Wisconsin
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Islip to Wisconsin

Cheapest flights from Islip to Wisconsin
Explore the most affordable flight options available from Islip to Wisconsin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This Booking.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/27:18 pmISP - ORD
1 stop25h 37mFrontier
Sat 4/59:25 amORD - ISP
1 stop9h 39mFrontier
Deal found 2/21$135
This Frontier deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/39:10 amISP - MKE
1 stop10h 53mFrontier
Sun 4/67:53 pmMKE - ISP
1 stop11h 17mFrontier
Deal found 2/21$140
This Frontier deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/89:04 pmISP - MSP
1 stop12h 35mFrontier
Sat 3/1510:39 amMSP - ISP
1 stop8h 25mFrontier
Deal found 2/22$230
This Mytrip deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/510:44 amISP - ORD
2 stops14h 37mMultiple Airlines
Thu 5/86:00 amORD - ISP
3 stops32h 15mMultiple Airlines
Deal found 2/21$281
This Southwest deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/55:00 amISP - ORD
1 stop9h 05mSouthwest
Thu 5/811:25 amORD - ISP
2 stops10h 40mSouthwest
Deal found 2/21$328
This Southwest deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2811:20 amISP - MKE
1 stop10h 50mSouthwest
Thu 4/36:15 pmMKE - ISP
1 stop4h 25mSouthwest
Deal found 2/21$460
This Mytrip deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/288:25 pmISP - MKE
3 stops42h 39mMultiple Airlines
Thu 4/34:41 pmMKE - ISP
2 stops26h 04mMultiple Airlines
Deal found 2/21$603
This Breeze Airways deal was found by Cheapflights users on 2/20. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/410:44 amISP - MSN
2 stops22h 17mBreeze Airways
Wed 7/96:25 pmMSN - ISP
2 stops38h 29mBreeze Airways
Deal found 2/20$1,050

Find flights from Islip to Wisconsin within your budget

Customize your flight search to find flights from Islip to Wisconsin 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 February 22, 2025.

Fly from

Islip

Fly to

Wisconsin

Route

Depart

Return

Price

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Wed 4/2

7:18 pm-7:55 pm

1 stop25h 37m

Chicago O'Hare Intl

Sat 4/5

9:25 am-8:04 pm

1 stop9h 39m

$135

IslipMilwaukee

ISP - MKE

ISPMKE

Islip Long Island

Thu 4/3

9:10 am-7:03 pm

1 stop10h 53m

Milwaukee-Mitchell

Sun 4/6

7:53 pm-8:10 am

1 stop11h 17m

$140

IslipMinneapolis

ISP - MSP

ISPMSP

Islip Long Island

Sat 3/8

9:04 pm-8:39 am

1 stop12h 35m

Minneapolis St Paul

Sat 3/15

10:39 am-8:04 pm

1 stop8h 25m

$230

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Mon 5/5

10:44 am-12:21 am

2 stops14h 37m

Chicago O'Hare Intl

Thu 5/8

6:00 am-3:15 pm

3 stops32h 15m

$281

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Mon 5/5

5:00 am-1:05 pm

1 stop9h 05m

Chicago O'Hare Intl

Thu 5/8

11:25 am-11:05 pm

2 stops10h 40m

$328

IslipMilwaukee

ISP - MKE

ISPMKE

Islip Long Island

Fri 3/28

11:20 am-9:10 pm

1 stop10h 50m

Milwaukee-Mitchell

Thu 4/3

6:15 pm-11:40 pm

1 stop4h 25m

$460

IslipMilwaukee

ISP - MKE

ISPMKE

Islip Long Island

Fri 3/28

8:25 pm-2:04 pm

3 stops42h 39m

Milwaukee-Mitchell

Thu 4/3

4:41 pm-7:45 pm

2 stops26h 04m

$603

IslipMadison

ISP - MSN

ISPMSN

Islip Long Island

Fri 7/4

10:44 am-8:01 am

2 stops22h 17m

Madison Truax Field

Wed 7/9

6:25 pm-9:54 am

2 stops38h 29m

$1,050

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Mon 3/3

9:07 am-4:03 pm

1 stop7h 56m

$67

IslipMinneapolis

ISP - MSP

ISPMSP

Islip Long Island

Tue 3/4

9:33 pm-9:39 am

1 stop13h 06m

$90

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 12 results
1
2

Best time to book a flight from Islip to Wisconsin

Have a flexible travel schedule? Discover the best time to fly to Wisconsin from Islip 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.

Travel insights for flights from Islip to Wisconsin

Get recent, data-driven insights about flights from Islip to Wisconsin including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Islip, New York to Wisconsin?

Currently, February is the cheapest month in which you can book a flight from Islip, New York to Wisconsin (average of $280). Flying from Islip, New York to Wisconsin in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ISP to WI?

Find hourly flight availability from Islip to Wisconsin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Wisconsin as you normally would.

Rainfall in Wisconsin by month

Plan your trip to Wisconsin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Wisconsin ranges from 1.4 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. January is typically the driest time to visit Wisconsin when rainfall is around 1.4 in.

Temperature in Wisconsin by month

Plan your trip to Wisconsin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Wisconsin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Wisconsin

Get insights into the airlines that provide service to Wisconsin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Wisconsin. Reviews last updated February 22, 2025.
Read through reviews of airlines operating flights from Islip to Wisconsin, such as Southwest, Breeze Airways and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,396 reviews

Comfort

8.1

Food

7.1

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,396 reviews
Southwest
8.1
Very good
4,396 reviews

Comfort

8.1

Food

7.1

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Breeze Airways
8.1
Very good
150 reviews
Southwest
8.1
Very good
4,396 reviews

Comfort

8.1

Food

7.1

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Frontier
6.0
Okay
3,352 reviews
Southwest
8.1
Very good
4,396 reviews

Comfort

8.1

Food

7.1

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Islip to Wisconsin. 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 from for flights from Islip to Wisconsin?

    For a flight from Islip to Wisconsin, you will be flying from Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city.

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

    Most travelers choose Islip Long Island - Chicago O'Hare Intl, Islip Long Island - Milwaukee-Mitchell or Islip Long Island - Minneapolis St Paul when deciding on the best route from Islip, New York to Wisconsin.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Islip, New York to Wisconsin?

    Currently, February is the cheapest month in which you can book a flight from Islip, New York to Wisconsin (average of $280). Flying from Islip, New York to Wisconsin in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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 for Islip to Wisconsin

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Miami flights
Newark to Fort Lauderdale flights
Newark to Miami flights
LaGuardia to Miami flights
LaGuardia to Fort Lauderdale flights
Newark to Orlando flights
John F Kennedy Intl to Orlando flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Los Angeles flights
John F Kennedy Intl to West Palm Beach flights
Newark to Las Vegas flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
Newark to Tampa flights
John F Kennedy Intl to O'Hare Intl flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to Atlanta flights
John F Kennedy Intl to San Francisco flights
John F Kennedy Intl to Sky Harbor Intl flights
John F Kennedy Intl to Austin flights
LaGuardia to Tampa flights
John F Kennedy Intl to Tampa flights
Newark to Seattle flights
LaGuardia to Orlando flights
John F Kennedy Intl to Seattle flights
Newark to Sky Harbor Intl flights
LaGuardia to Las Vegas flights
Newark to Austin flights
Newark to New Orleans flights
Newark to San Francisco flights
John F Kennedy Intl to Denver flights
Newark to West Palm Beach flights
LaGuardia to O'Hare Intl flights
John F Kennedy Intl to Hobby flights
John F Kennedy Intl to New Orleans flights
LaGuardia to New Orleans flights
LaGuardia to Los Angeles flights
Newark to O'Hare Intl flights
LaGuardia to Hobby flights
LaGuardia to Nashville flights
Newark to Denver flights
John F Kennedy Intl to Salt Lake City flights
LaGuardia to West Palm Beach flights
Newark to Salt Lake City flights
Newark to Fort Myers flights
Newark to Hobby flights
John F Kennedy Intl to George Bush Intcntl flights
LaGuardia to Denver flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.