$50+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ORD
Feb 27 — Mar 61
1 adult, Economy
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Find cheap flights from Wisconsin to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Wisconsin to Illinois
Keep the following information in mind while searching for Wisconsin to Illinois flight deals. Data was last updated February 22, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (United Airlines) |
One-way from | $50 (Frontier) |
Good round-trip deal | $322 or less |
Good one-way deal | $152 or less |
Find flight deals from Wisconsin to Illinois
Cheapest flights from Wisconsin to IllinoisExplore 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 February 22, 2025.
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 February 22, 2025.
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.
Mon 4/72:20 pmORD - STL
Nonstop1h 27mUnited Airlines
Mon 4/145:35 pmSTL - ORD
Nonstop1h 20mUnited Airlines
Deal found 2/21![United Airlines logo]()
$117
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.
Mon 4/710:09 pmORD - STL
Nonstop1h 24mAmerican Airlines
Mon 4/145:45 amSTL - ORD
Nonstop1h 20mAmerican Airlines
Deal found 2/21![American Airlines logo]()
$118
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/305:30 pmMSP - ORD
Nonstop1h 39mSun Country Air
Mon 6/28:05 pmORD - MSP
Nonstop1h 44mSun Country Air
Deal found 2/22![Sun Country Air logo]()
$126
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.
Thu 3/206:30 amMSP - MDW
1 stop3h 25mSouthwest
Mon 3/2410:50 pmMDW - MSP
Nonstop1h 30mSouthwest
Deal found 2/21![Southwest logo]()
$127
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/132:22 pmMSP - ORD
1 stop8h 06mMultiple Airlines
Thu 5/158:05 pmORD - MSP
Nonstop1h 44mMultiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$127
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.
Mon 4/76:00 amMSP - MDW
1 stop18h 21mFrontier
Mon 4/149:09 pmMDW - MSP
1 stop13h 40mFrontier
Deal found 2/21![Frontier logo]()
$128
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/314:54 pmORD - STL
1 stop6h 55mFrontier
Wed 4/26:51 pmSTL - ORD
1 stop5h 51mFrontier
Deal found 2/20![Frontier logo]()
$130
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/84:05 pmMSP - MDW
Nonstop1h 38mDelta
Wed 3/127:09 pmMDW - MSP
Nonstop1h 37mDelta
Deal found 2/21![Delta logo]()
$132
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/81:40 pmMSP - ORD
Nonstop1h 34mDelta
Mon 3/104:00 pmORD - MSP
Nonstop1h 34mDelta
Deal found 2/21![Delta logo]()
$132
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/148:25 amORD - STL
1 stop11h 45mSouthern / Mokulele
Mon 3/1712:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Deal found 2/22![Southern / Mokulele logo]()
$133
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/194:27 pmMSP - ORD
1 stop16h 17mSpirit Airlines
Tue 3/256:25 pmORD - MSP
1 stop19h 53mSpirit Airlines
Deal found 2/21![Spirit Airlines logo]()
$135
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1210:10 amORD - STL
1 stop13h 39mMultiple Airlines
Fri 3/1411:00 amSTL - ORD
Nonstop1h 17mMultiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$135
Find flights from Wisconsin to Illinois within your budget
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 February 22, 2025.
Fly from
Wisconsin
Fly to
Illinois
Route
Depart
Return
Price
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
Mon 4/7
2:20 pm-3:47 pm
Nonstop1h 27m
Lambert-St Louis
Mon 4/14
5:35 pm-6:55 pm
Nonstop1h 20m
$117
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
Mon 4/7
10:09 pm-11:33 pm
Nonstop1h 24m
Lambert-St Louis
Mon 4/14
5:45 am-7:05 am
Nonstop1h 20m
$118
MinneapolisChicago
MSP - MDW
MSPMDW
Minneapolis St Paul
Thu 3/20
6:30 am-9:55 am
1 stop3h 25m
Chicago Midway
Mon 3/24
10:50 pm-12:20 am
Nonstop1h 30m
$127
MinneapolisChicago
MSP - ORD
MSPORD
Minneapolis St Paul
Tue 5/13
2:22 pm-10:28 pm
1 stop8h 06m
Chicago O'Hare Intl
Thu 5/15
8:05 pm-9:49 pm
Nonstop1h 44m
$127
MinneapolisChicago
MSP - MDW
MSPMDW
Minneapolis St Paul
Mon 4/7
6:00 am-12:21 am
1 stop18h 21m
Chicago Midway
Mon 4/14
9:09 pm-10:49 am
1 stop13h 40m
$128
MinneapolisChicago
MSP - ORD
MSPORD
Minneapolis St Paul
Thu 3/27
5:40 pm-7:15 pm
Nonstop1h 35m
Chicago O'Hare Intl
Thu 4/3
6:30 pm-8:10 pm
Nonstop1h 40m
$128
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
Mon 3/31
4:54 pm-11:49 pm
1 stop6h 55m
Lambert-St Louis
Wed 4/2
6:51 pm-12:42 am
1 stop5h 51m
$130
MinneapolisChicago
MSP - MDW
MSPMDW
Minneapolis St Paul
Sat 3/8
4:05 pm-5:43 pm
Nonstop1h 38m
Chicago Midway
Wed 3/12
7:09 pm-8:46 pm
Nonstop1h 37m
$132
MinneapolisChicago
MSP - ORD
MSPORD
Minneapolis St Paul
Sat 3/8
8:20 pm-9:58 pm
Nonstop1h 38m
Chicago O'Hare Intl
Tue 3/11
4:00 pm-5:34 pm
Nonstop1h 34m
$132
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
Fri 3/14
8:25 am-8:10 pm
1 stop11h 45m
Lambert-St Louis
Mon 3/17
12:15 pm-3:50 pm
1 stop3h 35m
$133
Showing 1-10 of 60 results
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.
Travel insights for flights from Wisconsin to Illinois
Get recent, data-driven insights about flights from Wisconsin to Illinois including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Wisconsin to Illinois?
Currently, August is the cheapest month in which you can book a flight from Wisconsin to Illinois (average of $245). Flying from Wisconsin to Illinois in March is currently the most expensive (average of $321). 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 February 22, 2025.
When flying from Wisconsin to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 February 22, 2025.
The most flights from USWI to USIL are scheduled on a Tuesday (45 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (41 on average).
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Illinois, 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 23.0 F).
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 February 22, 2025.
To help decide which airline to fly from Wisconsin to Illinois, see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.7
Entertainment
7.6
Overall
8.1
Boarding
8.2
Comfort
8.1
Food
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.7
Entertainment
7.6
Overall
8.1
Boarding
8.2
Comfort
8.1
Food
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.7
Entertainment
7.6
Overall
8.1
Boarding
8.2
Comfort
8.1
Food
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.7
Entertainment
7.6
Overall
8.1
Boarding
8.2
Comfort
8.1
Food
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.7
Entertainment
7.6
Overall
8.1
Boarding
8.2
Comfort
8.1
Food
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.7
Entertainment
7.6
Overall
8.1
Boarding
8.2
Comfort
8.1
Food
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
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.
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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.
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 February 22, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$178 | Average$271 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$178 | Average$324 | FlexibilityNo cancel fee | On-time71% |