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$46+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MKE
Aug 16 — Aug 231
Sat 8/16
Sat 8/23
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 August 11, 2025.

Round-trip from

$90
(Cheapflightsfares)

One-way from

$46
(American Airlines)

Popular in

December

Cheapest in

April

Average price

$473

Good round-trip deal

$254 or less

Good one-way deal

$98 or less
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. 21% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:26 pmORD - MSP
Nonstop1h 42mSun Country Air
Sun 11/168:54 amMSP - ORD
Nonstop1h 45mSun Country Air
Deal found 8/10$90
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:39 pmORD - MSP
Nonstop1h 43mSun Country Air
Sun 10/123:06 pmMSP - ORD
Nonstop1h 39mSun Country Air
Deal found 8/10$91
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Sat 9/133:20 pmSTL - ORD
Nonstop1h 25mUnited Airlines
Sat 9/202:20 pmORD - STL
Nonstop1h 24mUnited Airlines
Deal found 8/8$91
This Sun Country Air deal was found by Cheapflights users on 8/8. 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.
Mon 11/2411:42 amORD - MSP
Nonstop1h 42mSun Country Air
Thu 11/276:36 amMSP - ORD
Nonstop1h 44mSun Country Air
Deal found 8/8$92
This Southwest deal was found by Cheapflights users on 8/11. 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 9/157:40 amMDW - MSP
Nonstop1h 30mSouthwest
Sat 9/206:15 amMSP - MDW
2 stops7h 15mSouthwest
Deal found 8/11$92
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Sat 9/135:25 pmSTL - ORD
Nonstop1h 33mAmerican Airlines
Mon 9/1510:34 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 8/11$92
This Trip.com deal was found by Cheapflights users on 8/10. 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.
Thu 10/237:45 pmORD - MSP
Nonstop1h 43mSun Country Air
Sun 10/269:00 amMSP - ORD
Nonstop1h 39mSun Country Air
Deal found 8/10$95
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/83:20 pmSTL - ORD
Nonstop1h 25mUnited Airlines
Mon 9/154:55 pmORD - STL
Nonstop1h 28mUnited Airlines
Deal found 8/11$96
This Delta deal was found by Cheapflights users on 8/11. 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 9/176:15 amORD - MSP
Nonstop1h 34mDelta
Sun 9/216:55 amMSP - ORD
Nonstop1h 30mDelta
Deal found 8/11$100
This Southwest deal was found by Cheapflights users on 8/10. 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 9/128:40 pmMDW - MSP
Nonstop1h 35mSouthwest
Sat 9/132:45 pmMSP - MDW
Nonstop1h 30mSouthwest
Deal found 8/10$100
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/58:10 pmORD - MSP
Nonstop1h 47mSun Country Air
Sun 9/74:20 pmMSP - ORD
Nonstop1h 42mSun Country Air
Deal found 8/10$103
This Sun Country Air deal was found by Cheapflights users on 8/9. 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.
Fri 10/317:39 pmORD - MSP
Nonstop1h 43mSun Country Air
Mon 11/39:00 amMSP - ORD
Nonstop1h 45mSun Country Air
Deal found 8/9$105

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 August 11, 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

Fri 10/10

6:39 pm-8:22 pm

Nonstop1h 43m

Minneapolis St Paul

Sun 10/12

3:06 pm-4:45 pm

Nonstop1h 39m

$91

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sat 9/13

3:20 pm-4:45 pm

Nonstop1h 25m

Chicago O'Hare Intl

Sat 9/20

2:20 pm-3:44 pm

Nonstop1h 24m

$91

ChicagoMinneapolis

MDW - MSP

MDWMSP

Chicago Midway

Mon 9/15

7:40 am-9:10 am

Nonstop1h 30m

Minneapolis St Paul

Sat 9/20

6:15 am-1:30 pm

2 stops7h 15m

$92

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sat 9/13

5:25 pm-6:58 pm

Nonstop1h 33m

Chicago O'Hare Intl

Mon 9/15

10:34 pm-11:48 pm

Nonstop1h 14m

$92

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Thu 9/11

12:01 pm-1:48 pm

Nonstop1h 47m

Minneapolis St Paul

Sun 9/14

5:30 pm-7:12 pm

Nonstop1h 42m

$92

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Thu 10/23

7:45 pm-9:28 pm

Nonstop1h 43m

Minneapolis St Paul

Sun 10/26

9:00 am-10:39 am

Nonstop1h 39m

$95

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 9/8

3:20 pm-4:45 pm

Nonstop1h 25m

Chicago O'Hare Intl

Mon 9/15

4:55 pm-6:23 pm

Nonstop1h 28m

$96

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Wed 9/17

6:15 am-7:49 am

Nonstop1h 34m

Minneapolis St Paul

Sun 9/21

6:55 am-8:25 am

Nonstop1h 30m

$100

ChicagoMinneapolis

MDW - MSP

MDWMSP

Chicago Midway

Fri 9/12

8:40 pm-10:15 pm

Nonstop1h 35m

Minneapolis St Paul

Sat 9/13

2:45 pm-4:15 pm

Nonstop1h 30m

$100

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Fri 9/5

8:10 pm-9:57 pm

Nonstop1h 47m

Minneapolis St Paul

Sun 9/7

4:20 pm-6:02 pm

Nonstop1h 42m

$103

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/8

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 August 11, 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 August 11, 2025.

The most flights from USIL to USWI are scheduled on a Saturday (53 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (40 on average).

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 August 11, 2025.
Read through reviews of airlines operating flights from Illinois to Wisconsin, such as Southwest, Delta, and United 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.
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,978 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,922 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
JetBlue
7.2
Good
2,916 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

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 $46 on American Airlines. Other airlines that offer cheap prices include Southwest from $49 and Sun Country Air from $53 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

Browse thousands of different options on Cheapflights for your next trip

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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 August 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$308FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$179Average$293FlexibilityNo cancel feeOn-time71%

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