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$105+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MKE
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$198
(Frontier)

One-way from

$105
(Frontier)

Popular in

December

Cheapest in

September

Average price

$314
Provider with most accurate pricing for New York (NYC)-Milwaukee-Mitchell flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Milwaukee-Mitchell flights.
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From Islip Long Island to Wisconsin
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One-way flight from Islip Long Island to Wisconsin
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Highest demand for flights based on searches. 16% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 29, 2025.

This Frontier deal was found by Cheapflights users on 4/28. 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 5/217:15 pmISP - ORD
1 stop14h 07mFrontier
Sat 5/241:02 pmORD - ISP
1 stop6h 40mFrontier
Deal found 4/28$198
This Southwest deal was found by Cheapflights users on 4/29. 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 7/24:40 pmISP - MSP
1 stop6h 05mSouthwest
Wed 7/95:20 pmMSP - ISP
1 stop4h 35mSouthwest
Deal found 4/29$306
This Southwest deal was found by Cheapflights users on 4/28. 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 7/226:00 amISP - ORD
1 stop6h 50mSouthwest
Sat 7/2611:25 amORD - ISP
2 stops10h 45mSouthwest
Deal found 4/28$316
This Trip.com deal was found by Cheapflights users on 4/28. 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.
Sat 5/1011:31 amISP - ORD
2 stops12h 58mMultiple Airlines
Sun 5/115:05 amORD - ISP
1 stop11h 53mMultiple Airlines
Deal found 4/28$366
This KAYAK deal was found by Cheapflights users on 4/28. 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 8/77:39 pmISP - MSN
3 stops37h 22mBreeze Airways
Sat 8/96:25 pmMSN - ISP
2 stops38h 31mBreeze Airways
Deal found 4/28$814

Cheapflights Fare Finder

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 April 29, 2025.
Use the filters below to find and compare flights from Islip to Wisconsin that are best for you.

Fly from

Islip

Fly to

Wisconsin

Route

Depart

Return

Price

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Wed 5/28

8:21 pm-8:22 am

1 stop13h 01m

Chicago O'Hare Intl

Sat 5/31

1:02 pm-8:42 pm

1 stop6h 40m

$201

IslipMinneapolis

ISP - MSP

ISPMSP

Islip Long Island

Wed 7/2

4:40 pm-9:45 pm

1 stop6h 05m

Minneapolis St Paul

Wed 7/9

5:20 pm-10:55 pm

1 stop4h 35m

$306

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Wed 7/16

6:00 am-4:25 pm

2 stops11h 25m

Chicago O'Hare Intl

Wed 7/23

6:00 am-5:00 pm

2 stops10h 00m

$321

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Sat 5/10

11:31 am-11:29 pm

2 stops12h 58m

Chicago O'Hare Intl

Sun 5/11

5:05 am-5:58 pm

1 stop11h 53m

$366

IslipMadison

ISP - MSN

ISPMSN

Islip Long Island

Thu 8/7

7:39 pm-8:01 am

3 stops37h 22m

Madison Truax Field

Sat 8/9

6:25 pm-9:56 am

2 stops38h 31m

$814

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Wed 5/21

7:15 pm-8:22 am

1 stop14h 07m

$105

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Fri 5/23

5:00 am-3:00 pm

2 stops11h 00m

$229

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Wed 5/7

2:55 pm-2:06 pm

2 stops24h 11m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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.

Cheapflights Insights

Everything you need to know about your flight from Islip to Wisconsin

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 April 29, 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 April 29, 2025.
Read through reviews of airlines operating flights from Islip to Wisconsin, such as Breeze Airways, Southwest and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
160 reviews

Crew

8.8

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
160 reviews
Breeze Airways
8.1
Very good
160 reviews

Crew

8.8

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,295 reviews
Breeze Airways
8.1
Very good
160 reviews

Crew

8.8

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
JetBlue
7.3
Good
2,922 reviews
Breeze Airways
8.1
Very good
160 reviews

Crew

8.8

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Frontier
6.0
Okay
3,284 reviews
Breeze Airways
8.1
Very good
160 reviews

Crew

8.8

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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 cheapest airlines to fly from Islip, New York to Wisconsin one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $105. Users have also found prices from $229 and $726 on Southwest and JetBlue, respectively.

  • 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 - Minneapolis St Paul or Islip Long Island - Madison Truax Field 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

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Top airline flying from Islip to Wisconsin

Discover the top airline that operate flights from Islip to Wisconsin. 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$318Average$426FlexibilityNo cancel feeOn-time63%

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