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Wisconsin

$53+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MKE
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Illinois to Wisconsin

Keep the following information in mind while searching for Illinois to Wisconsin flight deals. Data was last updated April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$113
(eDestinos)

One-way from

$53
(eDestinos)

Popular in

December

Cheapest in

April

Average price

$194

Good round-trip deal

$184 or less

Good one-way deal

$128 or less
Provider with most accurate pricing for Chicago (CHI)-Milwaukee-Mitchell flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Milwaukee-Mitchell flights.
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From Illinois to Wisconsin
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One-way flight from Illinois to Wisconsin
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Highest demand for flights based on searches. 27% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Illinois to Wisconsin.
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Price to beat on a one-way flight from Illinois to Wisconsin.
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Find 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 April 30, 2025.

This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/196:17 pmORD - MSP
Nonstop1h 40mSun Country Air
Mon 6/233:42 pmMSP - ORD
Nonstop1h 39mSun Country Air
Deal found 4/29$113
This Trip.com deal was found by Cheapflights users on 4/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/265:15 pmSTL - ORD
1 stop14h 25mSouthern / Mokulele
Mon 6/28:25 amORD - STL
1 stop11h 45mSouthern / Mokulele
Deal found 4/27$125
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/158:05 pmORD - MSP
Nonstop1h 44mMultiple Airlines
Mon 5/196:00 amMSP - ORD
1 stop17h 41mMultiple Airlines
Deal found 4/28$147
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:55 pmDEC - ORD
Nonstop1h 07mUnited Airlines
Sun 5/187:45 amORD - DEC
Nonstop1h 09mUnited Airlines
Deal found 4/29$149
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 5/285:45 pmSTL - ORD
1 stop6h 35mFrontier
Wed 6/45:03 pmORD - STL
1 stop6h 34mFrontier
Deal found 4/28$162
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:00 amORD - DLH
1 stop4h 10mDelta
Mon 8/253:59 pmDLH - ORD
1 stop3h 44mDelta
Deal found 4/29$178
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/267:55 pmORD - MKE
Nonstop1h 05mUnited Airlines
Mon 6/27:00 amMKE - ORD
Nonstop1h 05mUnited Airlines
Deal found 4/27$179
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2210:24 pmORD - ATW
Nonstop1h 10mAmerican Airlines
Sun 5/2511:26 amATW - ORD
Nonstop1h 13mAmerican Airlines
Deal found 4/29$179
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2811:03 amORD - MSP
Nonstop1h 32mDelta
Thu 5/296:55 amMSP - ORD
Nonstop1h 29mDelta
Deal found 4/29$179
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 5/285:05 pmMDW - MSP
Nonstop1h 30mSouthwest
Thu 5/299:20 amMSP - MDW
Nonstop1h 30mSouthwest
Deal found 4/29$179
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/810:30 pmORD - MSN
Nonstop1h 00mAmerican Airlines
Fri 8/159:52 amMSN - ORD
Nonstop1h 06mAmerican Airlines
Deal found 4/29$179
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/208:46 amORD - MKE
Nonstop0h 59mAmerican Airlines
Sat 6/2810:03 amMKE - ORD
Nonstop1h 08mAmerican Airlines
Deal found 4/29$180

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 April 30, 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 6/19

6:17 pm-7:57 pm

Nonstop1h 40m

Minneapolis St Paul

Mon 6/23

3:42 pm-5:21 pm

Nonstop1h 39m

$113

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 5/26

5:15 pm-7:40 am

1 stop14h 25m

Chicago O'Hare Intl

Mon 6/2

8:25 am-8:10 pm

1 stop11h 45m

$125

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Thu 5/15

8:05 pm-9:49 pm

Nonstop1h 44m

Minneapolis St Paul

Mon 5/19

6:00 am-11:41 pm

1 stop17h 41m

$147

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Wed 5/14

6:55 pm-8:02 pm

Nonstop1h 07m

Chicago O'Hare Intl

Sun 5/18

7:45 am-8:54 am

Nonstop1h 09m

$149

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 5/28

5:45 pm-12:20 am

1 stop6h 35m

Chicago O'Hare Intl

Wed 6/4

5:03 pm-11:37 pm

1 stop6h 34m

$162

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Wed 8/20

6:00 am-10:10 am

1 stop4h 10m

Duluth Intl

Mon 8/25

3:59 pm-7:43 pm

1 stop3h 44m

$178

ChicagoAppleton

ORD - ATW

ORDATW

Chicago O'Hare Intl

Thu 5/22

10:24 pm-11:34 pm

Nonstop1h 10m

Appleton Intl

Sun 5/25

11:26 am-12:39 pm

Nonstop1h 13m

$179

ChicagoMinneapolis

MDW - MSP

MDWMSP

Chicago Midway

Wed 5/28

5:05 pm-6:35 pm

Nonstop1h 30m

Minneapolis St Paul

Thu 5/29

9:20 am-10:50 am

Nonstop1h 30m

$179

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Mon 5/26

7:55 pm-9:00 pm

Nonstop1h 05m

Milwaukee-Mitchell

Mon 6/2

7:00 am-8:05 am

Nonstop1h 05m

$179

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Wed 5/28

11:03 am-12:35 pm

Nonstop1h 32m

Minneapolis St Paul

Thu 5/29

6:55 am-8:24 am

Nonstop1h 29m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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, February is the cheapest month in which you can book a flight from Illinois to Wisconsin (average of $280). Flying from Illinois 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 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 April 30, 2025.

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

Weekly flight availability from Illinois to Wisconsin

Explore weekly flight availability from Illinois to Wisconsin. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 30, 2025.

The most flights from USIL to USWI are scheduled on a Tuesday (47 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

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 30, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Illinois to Wisconsin have to say. 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.
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,922 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines to fly from Illinois to Wisconsin one-way?

    One-way options have recently been found by users for as low as $53 on Sun Country Air. Other airlines that offer cheap prices include Southern / Mokulele from $76 and Frontier from $81 one-way.

  • 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, February is the cheapest month in which you can book a flight from Illinois to Wisconsin (average of $280). Flying from Illinois 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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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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$317FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$184Average$364FlexibilityNo cancel feeOn-time71%

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