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$50+ Cheap flights from Illinois 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MKE
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Illinois to Wisconsin

Cheapest flights from Illinois to Wisconsin
Explore the most affordable flight options available from Illinois to Wisconsin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Fri 12/1912:26 pmORD - MSP
Nonstop1h 36mFrontier
Mon 12/2210:09 pmMSP - ORD
Nonstop1h 45mFrontier
Deal found 12/13$122
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Fri 12/2612:26 pmORD - MSP
Nonstop1h 36mFrontier
Fri 1/22:57 pmMSP - ORD
Nonstop1h 45mFrontier
Deal found 12/13$153
This Super.com deal was found by Cheapflights users on 12/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:38 pmORD - MSP
Nonstop1h 36mFrontier
Mon 1/510:09 pmMSP - ORD
Nonstop1h 45mFrontier
Deal found 12/13$154
This Delta deal was found by Cheapflights users on 12/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:05 amORD - MSP
Nonstop1h 42mDelta
Wed 1/77:55 pmMSP - ORD
Nonstop1h 48mDelta
Deal found 12/13$157
This Sun Country Air deal was found by Cheapflights users on 12/14. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:45 amORD - MSP
Nonstop1h 39mSun Country Air
Thu 1/13:36 pmMSP - ORD
Nonstop1h 38mSun Country Air
Deal found 12/14$158
This Expedia deal was found by Cheapflights users on 12/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:26 pmORD - MSP
Nonstop1h 36mMultiple Airlines
Thu 1/13:36 pmMSP - ORD
Nonstop1h 38mMultiple Airlines
Deal found 12/13$159
This Frontier deal was found by Cheapflights users on 12/13. 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.
Fri 12/1912:26 pmORD - MSP
Nonstop1h 36mFrontier
Fri 12/262:57 pmMSP - ORD
Nonstop1h 45mFrontier
Deal found 12/13$163
This Priceline deal was found by Cheapflights users on 12/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:26 pmORD - MSP
Nonstop1h 36mFrontier
Mon 12/2910:09 pmMSP - ORD
Nonstop1h 45mFrontier
Deal found 12/14$169
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Mon 12/227:38 pmORD - MSP
Nonstop1h 36mFrontier
Fri 12/262:57 pmMSP - ORD
Nonstop1h 45mFrontier
Deal found 12/13$171
This Kiwi.com deal was found by Cheapflights users on 12/12. 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.
Fri 12/1912:26 pmORD - MSP
Nonstop1h 36mFrontier
Tue 12/237:34 pmMSP - ORD
1 stop28h 38mFrontier
Deal found 12/12$177
This Sun Country Air deal was found by Cheapflights users on 12/14. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:44 pmORD - MSP
Nonstop1h 39mSun Country Air
Fri 1/29:00 amMSP - ORD
Nonstop1h 51mSun Country Air
Deal found 12/14$178
This Delta deal was found by Cheapflights users on 12/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:59 pmMDW - MSP
Nonstop1h 46mDelta
Thu 12/259:10 amMSP - MDW
Nonstop1h 56mDelta
Deal found 12/13$178

Find flight deals from Illinois to Wisconsin

Keep the following information in mind while searching for Illinois to Wisconsin flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$92
(Booking.com)

One-way from

$50
(Kiwi.com)

Popular in

February

Cheapest in

November

Average price

$394

Good round-trip deal

$239 or less

Good one-way deal

$138 or less
Provider with most accurate pricing for Chicago (CHI)-Milwaukee-Mitchell flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Milwaukee-Mitchell flights.
Search Deals
From Illinois to Wisconsin
Search Deals
One-way flight from Illinois to Wisconsin
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($56 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 December 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Wisconsin.
Search Deals
Price to beat on a one-way flight from Illinois to Wisconsin.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 December 15, 2025.
Use the filters below to find and compare flights from Illinois to Wisconsin that are best for you.

Fly from

Illinois

Fly to

Wisconsin

Route

Depart

Return

Price

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Thu 1/1

6:14 pm-7:53 pm

Nonstop1h 39m

Minneapolis St Paul

Mon 1/5

4:00 pm-5:38 pm

Nonstop1h 38m

$138

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Sat 1/17

12:52 pm-2:23 pm

Nonstop1h 31m

Minneapolis St Paul

Tue 1/20

5:16 pm-6:55 pm

Nonstop1h 39m

$143

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Sat 1/17

12:30 pm-2:12 pm

Nonstop1h 42m

Minneapolis St Paul

Wed 1/21

6:55 am-8:40 am

Nonstop1h 45m

$157

ChicagoMinneapolis

MDW - MSP

MDWMSP

Chicago Midway

Wed 2/18

9:50 am-11:32 am

Nonstop1h 42m

Minneapolis St Paul

Sat 2/21

2:30 pm-4:14 pm

Nonstop1h 44m

$157

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Wed 12/31

11:45 am-1:24 pm

Nonstop1h 39m

Minneapolis St Paul

Thu 1/1

3:36 pm-5:14 pm

Nonstop1h 38m

$158

St. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

Sat 2/14

2:51 pm-11:57 pm

1 stop9h 06m

Minneapolis St Paul

Wed 2/18

9:30 am-3:53 pm

1 stop6h 23m

$162

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 3/10

4:51 pm-11:38 pm

1 stop6h 47m

Chicago O'Hare Intl

Wed 3/11

5:01 am-10:37 am

1 stop5h 36m

$162

ChicagoMinneapolis

MDW - MSP

MDWMSP

Chicago Midway

Thu 1/15

8:50 pm-10:20 pm

Nonstop1h 30m

Minneapolis St Paul

Mon 1/19

12:00 pm-1:35 pm

Nonstop1h 35m

$171

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Mon 1/12

2:17 pm-3:48 pm

Nonstop1h 31m

Minneapolis St Paul

Wed 1/14

6:00 am-7:45 am

Nonstop1h 45m

$171

ChicagoMinneapolis

MDW - MSP

MDWMSP

Chicago Midway

Thu 1/8

8:40 am-10:20 am

Nonstop1h 40m

Minneapolis St Paul

Sat 1/10

7:05 am-9:00 am

Nonstop1h 55m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Wisconsin

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

What is the cheapest month to book a flight from Illinois to Wisconsin?

Currently, September is the cheapest month in which you can book a flight from Illinois to Wisconsin (average of $178). Flying from Illinois to Wisconsin in February is currently the most expensive (average of $267). 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 IL to WI?

Find hourly flight availability from Illinois 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 December 15, 2025.

One of the essential ways to save on airfare from Illinois to Wisconsin is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 30% on airfare.

What is the cheapest day to fly from Illinois to Wisconsin?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Wisconsin. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Wisconsin flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 15, 2025.
Read through reviews of airlines operating flights from Illinois to Wisconsin, such as United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,092 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,052 reviews
United Airlines
7.4
Good
9,092 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Wisconsin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Wisconsin?

    Departing from Illinois to Wisconsin will take you 1h 31m. The distance from Illinois to Wisconsin is about 333 mi. Most flights are nonstop.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Wisconsin?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Wisconsin (average of $178). Flying from Illinois to Wisconsin in February is currently the most expensive (average of $267). 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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Alternative routes for Illinois to Wisconsin

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Illinois to Wisconsin

Discover the top 2 airlines that operate flights from Illinois 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$278FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$179Average$285FlexibilityNo cancel feeOn-time69%

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