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$42+ Cheap flights from Wisconsin to Illinois

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ORD
Jan 1 — Jan 81
Thu 1/1
Thu 1/8
1 adult, Economy
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Cheap flight deals from Wisconsin to Illinois

Cheapest flights from Wisconsin to Illinois
Explore the most affordable flight options available from Wisconsin to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 2, 2025.

This Trip.com deal was found by Cheapflights users on 12/2. 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 12/2210:09 pmMSP - ORD
Nonstop1h 45mMultiple Airlines
Wed 12/3111:45 amORD - MSP
Nonstop1h 39mMultiple Airlines
Deal found 12/2$76
This FlightHub deal was found by Cheapflights users on 12/1. 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.
Tue 12/238:36 amMSP - ORD
Nonstop1h 50mSun Country Air
Fri 12/267:44 pmORD - MSP
Nonstop1h 39mSun Country Air
Deal found 12/1$85
This Justfly.com deal was found by Cheapflights users on 12/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:09 pmMSP - ORD
Nonstop1h 45mMultiple Airlines
Wed 12/2411:03 amORD - MSP
Nonstop1h 39mMultiple Airlines
Deal found 12/1$94
This Southwest deal was found by Cheapflights users on 11/30. 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 12/313:25 pmMSP - MDW
Nonstop1h 35mSouthwest
Thu 1/111:25 amMDW - MSP
Nonstop1h 30mSouthwest
Deal found 11/30$97
This FlightHub deal was found by Cheapflights users on 12/2. 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.
Mon 12/228:00 amMSP - ORD
Nonstop1h 50mSun Country Air
Sun 12/288:19 amORD - MSP
Nonstop1h 39mSun Country Air
Deal found 12/2$98
This Justfly.com deal was found by Cheapflights users on 12/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:36 amMSP - ORD
Nonstop1h 50mMultiple Airlines
Fri 1/212:26 pmORD - MSP
Nonstop1h 36mMultiple Airlines
Deal found 12/1$99
This Frontier deal was found by Cheapflights users on 11/30. 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.
Mon 12/88:31 amMSP - ORD
Nonstop1h 45mFrontier
Mon 12/156:00 amORD - MSP
Nonstop1h 36mFrontier
Deal found 11/30$101
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 12/2210:09 pmMSP - ORD
Nonstop1h 45mFrontier
Fri 12/2612:26 pmORD - MSP
Nonstop1h 36mFrontier
Deal found 11/30$102
This Booking.com deal was found by Cheapflights users on 12/1. 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.
Sun 12/285:30 amMSP - ORD
Nonstop1h 49mSun Country Air
Thu 1/16:14 pmORD - MSP
Nonstop1h 39mSun Country Air
Deal found 12/1$107
This Cheapflightsfares deal was found by Cheapflights users on 11/30. 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.
Wed 12/318:54 amMSP - ORD
Nonstop1h 50mSun Country Air
Thu 1/16:14 pmORD - MSP
Nonstop1h 39mSun Country Air
Deal found 11/30$108
This Southwest deal was found by Cheapflights users on 12/1. 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 12/313:25 pmMSP - MDW
Nonstop1h 35mSouthwest
Wed 1/712:00 pmMDW - MSP
Nonstop1h 30mSouthwest
Deal found 12/1$120
This Southwest deal was found by Cheapflights users on 12/2. 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 12/317:15 amMSP - MDW
Nonstop1h 45mSouthwest
Wed 1/2812:00 pmMDW - MSP
Nonstop1h 30mSouthwest
Deal found 12/2$124

Find flight deals from Wisconsin to Illinois

Keep the following information in mind while searching for Wisconsin to Illinois flight deals. Data was last updated December 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$77
(Trip.com)

One-way from

$42
(Southwest)

Popular in

January

Cheapest in

June

Average price

$204

Good round-trip deal

$300 or less

Good one-way deal

$170 or less
Provider with most accurate pricing for Milwaukee-Mitchell-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Chicago (CHI) flights.
Search Deals
From Wisconsin to Illinois
Search Deals
One-way flight from Wisconsin to Illinois
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($13 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 Wisconsin to Illinois.
Search Deals
Price to beat on a one-way flight from Wisconsin to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Wisconsin to Illinois 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 2, 2025.
Use the filters below to find and compare flights from Wisconsin to Illinois that are best for you.

Fly from

Wisconsin

Fly to

Illinois

Route

Depart

Return

Price

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Tue 1/6

5:16 pm-6:55 pm

Nonstop1h 39m

Chicago O'Hare Intl

Sat 1/17

2:17 pm-3:48 pm

Nonstop1h 31m

$91

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Mon 1/19

6:30 pm-8:09 pm

Nonstop1h 39m

Chicago O'Hare Intl

Fri 1/30

3:50 pm-5:21 pm

Nonstop1h 31m

$91

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Wed 2/4

8:10 am-9:55 am

Nonstop1h 45m

Chicago O'Hare Intl

Sun 2/15

7:25 am-8:55 am

Nonstop1h 30m

$94

MinneapolisChicago

MSP - MDW

MSPMDW

Minneapolis St Paul

Tue 1/20

11:22 am-1:09 pm

Nonstop1h 47m

Chicago Midway

Fri 1/23

9:50 am-11:34 am

Nonstop1h 44m

$97

MinneapolisChicago

MSP - MDW

MSPMDW

Minneapolis St Paul

Tue 1/20

7:05 am-9:08 am

Nonstop2h 03m

Chicago Midway

Tue 1/27

9:50 am-11:34 am

Nonstop1h 44m

$97

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Wed 1/21

10:00 am-11:47 am

Nonstop1h 47m

Chicago O'Hare Intl

Sat 1/24

6:45 pm-8:23 pm

Nonstop1h 38m

$97

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Wed 2/18

11:19 am-1:00 pm

Nonstop1h 41m

Chicago O'Hare Intl

Sat 2/21

2:15 pm-3:50 pm

Nonstop1h 35m

$97

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Wed 2/18

8:11 am-9:52 am

Nonstop1h 41m

Chicago O'Hare Intl

Fri 2/20

12:45 pm-2:19 pm

Nonstop1h 34m

$97

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Sat 1/17

7:55 pm-9:43 pm

Nonstop1h 48m

Chicago O'Hare Intl

Sun 1/18

8:50 am-10:28 am

Nonstop1h 38m

$117

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Sat 2/14

8:50 am-10:25 am

Nonstop1h 35m

Chicago O'Hare Intl

Wed 2/18

12:27 pm-2:08 pm

Nonstop1h 41m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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

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

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

Currently, January is the cheapest month in which you can book a flight from Wisconsin to Illinois (average of $179). Flying from Wisconsin to Illinois in April is currently the most expensive (average of $197). 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 WI to IL?

Find hourly flight availability from Wisconsin to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 2, 2025.

One of the essential ways to save on airfare from Wisconsin to Illinois is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 8% on airfare.

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

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

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

Weekly flight availability from Wisconsin to Illinois

Explore weekly flight availability from Wisconsin to Illinois. 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 December 2, 2025.

The most flights from USWI to USIL are scheduled on a Tuesday (53 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated December 2, 2025.
See what other customers who have flown with United Airlines and American Airlines from Wisconsin to Illinois have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,063 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,063 reviews
United Airlines
7.4
Good
9,063 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,044 reviews
United Airlines
7.4
Good
9,063 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

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

    Airlines like United Airlines, Delta, and American Airlines fly from Wisconsin to Illinois in about 1h 30m. The time it takes to get you to your destination is usually consistent. There are 258 mi between Wisconsin and Illinois. Most flights are nonstop.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Wisconsin to Illinois (average of $179). Flying from Wisconsin to Illinois in April is currently the most expensive (average of $197). 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 Wisconsin to Illinois

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

Discover the top 2 airlines that operate flights from Wisconsin to Illinois. 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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$300FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$179Average$264FlexibilityNo cancel feeOn-time69%

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