Wisconsin

$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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MKE
Feb 27 — Mar 61
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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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$129
(Mytrip)

One-way from

$50
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$249

Good round-trip deal

$180 or less

Good one-way deal

$98 or less
Provider with most accurate pricing for Chicago (CHI)-Milwaukee-Mitchell flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Milwaukee-Mitchell flights.
From Illinois to Wisconsin
One-way flight from Illinois to Wisconsin
Highest demand for flights based on searches. 18% potential increase in price ($68 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Illinois to Wisconsin.
Price to beat on a one-way flight from Illinois to Wisconsin.

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 February 22, 2025.

This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1411:00 amSTL - ORD
Nonstop1h 17mMultiple Airlines
Sun 3/168:20 pmORD - STL
1 stop23h 50mMultiple Airlines
Deal found 2/21$129
This Delta deal was found by Cheapflights users on 2/22. 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.
Fri 3/710:10 amORD - MSP
Nonstop1h 42mDelta
Mon 3/108:15 pmMSP - ORD
Nonstop1h 32mDelta
Deal found 2/22$132
This Delta deal was found by Cheapflights users on 2/22. 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.
Tue 4/87:09 pmMDW - MSP
Nonstop1h 37mDelta
Thu 4/108:10 amMSP - MDW
Nonstop1h 35mDelta
Deal found 2/22$132
This American Airlines deal was found by Cheapflights users on 2/21. 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 4/115:45 amSTL - ORD
Nonstop1h 20mAmerican Airlines
Mon 4/1410:09 pmORD - STL
Nonstop1h 24mAmerican Airlines
Deal found 2/21$133
This FlightHub deal was found by Cheapflights users on 2/22. 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.
Fri 5/28:05 pmORD - MSP
Nonstop1h 44mMultiple Airlines
Sun 5/46:00 amMSP - ORD
1 stop17h 41mMultiple Airlines
Deal found 2/22$135
This Cheapflightsfares deal was found by Cheapflights users on 2/21. 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 2/286:45 pmORD - MSP
Nonstop1h 40mSun Country Air
Sun 3/96:47 amMSP - ORD
Nonstop1h 43mSun Country Air
Deal found 2/21$136
This Flightnetwork deal was found by Cheapflights users on 2/21. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/106:45 amMDW - MSP
1 stop16h 48mFrontier
Mon 4/286:00 amMSP - MDW
1 stop13h 06mFrontier
Deal found 2/21$136
This Southwest deal was found by Cheapflights users on 2/20. 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.
Thu 3/68:10 amMDW - MSP
1 stop7h 10mSouthwest
Mon 3/105:45 pmMSP - MDW
1 stop4h 00mSouthwest
Deal found 2/20$137
This Southwest deal was found by Cheapflights users on 2/21. 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 3/105:50 amSTL - ORD
1 stop7h 15mSouthwest
Mon 3/107:10 pmORD - STL
1 stop5h 45mSouthwest
Deal found 2/21$137
This Southern / Mokulele deal was found by Cheapflights users on 2/21. 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2312:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Mon 3/248:25 amORD - STL
1 stop11h 45mSouthern / Mokulele
Deal found 2/21$140
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Fri 3/217:10 amORD - MSP
Nonstop1h 33mUnited Airlines
Fri 3/286:00 amMSP - ORD
Nonstop1h 39mUnited Airlines
Deal found 2/21$147
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/66:35 amSTL - MSP
Nonstop1h 35mMultiple Airlines
Sun 4/136:00 amMSP - STL
1 stop5h 22mMultiple Airlines
Deal found 2/21$149

Find flights from Illinois to Wisconsin within your budget

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 February 22, 2025.

Fly from

Illinois

Fly to

Wisconsin

Route

Depart

Return

Price

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Fri 3/14

11:00 am-12:17 pm

Nonstop1h 17m

Chicago O'Hare Intl

Sun 3/16

8:20 pm-8:10 pm

1 stop23h 50m

$129

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Fri 3/7

10:10 am-11:52 am

Nonstop1h 42m

Minneapolis St Paul

Mon 3/10

8:15 pm-9:47 pm

Nonstop1h 32m

$132

ChicagoMinneapolis

MDW - MSP

MDWMSP

Chicago Midway

Tue 4/8

7:09 pm-8:46 pm

Nonstop1h 37m

Minneapolis St Paul

Tue 4/15

8:03 am-9:40 am

Nonstop1h 37m

$132

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Fri 4/11

5:45 am-7:05 am

Nonstop1h 20m

Chicago O'Hare Intl

Mon 4/14

10:09 pm-11:33 pm

Nonstop1h 24m

$133

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Fri 5/2

8:05 pm-9:49 pm

Nonstop1h 44m

Minneapolis St Paul

Sun 5/4

6:00 am-11:41 pm

1 stop17h 41m

$135

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Fri 2/28

6:45 pm-8:25 pm

Nonstop1h 40m

Minneapolis St Paul

Sun 3/9

6:47 am-8:30 am

Nonstop1h 43m

$136

ChicagoMinneapolis

MDW - MSP

MDWMSP

Chicago Midway

Thu 4/10

6:45 am-11:33 pm

1 stop16h 48m

Minneapolis St Paul

Mon 4/28

6:00 am-7:06 pm

1 stop13h 06m

$136

ChicagoMinneapolis

MDW - MSP

MDWMSP

Chicago Midway

Thu 3/6

8:10 am-3:20 pm

1 stop7h 10m

Minneapolis St Paul

Mon 3/10

5:45 pm-9:45 pm

1 stop4h 00m

$137

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 3/10

5:50 am-1:05 pm

1 stop7h 15m

Chicago O'Hare Intl

Mon 3/10

7:10 pm-12:55 am

1 stop5h 45m

$137

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sun 3/23

12:15 pm-3:50 pm

1 stop3h 35m

Chicago O'Hare Intl

Mon 3/24

8:25 am-8:10 pm

1 stop11h 45m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Illinois to Wisconsin

Get recent, data-driven insights about flights from Illinois to Wisconsin including ideal travel times, pricing trends, and more.

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 February 22, 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 February 22, 2025.

The most flights from USIL to USWI are scheduled on a Tuesday (44 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 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 February 22, 2025.
See what other customers who have flown with Southwest, Alaska Airlines 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.

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

8.0
Very good

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $50 on Frontier. Other airlines that offer cheap prices include Southern / Mokulele from $56 and Sun Country Air from $58 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.

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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$311FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$184Average$374FlexibilityNo cancel feeOn-time71%
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