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$61+ Cheap flights from Milwaukee (MKE) 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ORD
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Cheap flight deals from Milwaukee to Illinois

Keep the following information in mind while searching for Milwaukee to Illinois flight deals. Data was last updated November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$159
(American Airlines)

One-way from

$61
(Frontier)

Popular in

November

Cheapest in

June

Average price

$493

Good round-trip deal

$317 or less

Good one-way deal

$169 or less
Provider with most accurate pricing for Milwaukee-Mitchell-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Chicago (CHI) flights.
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From Milwaukee-Mitchell to Illinois
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One-way flight from Milwaukee-Mitchell to Illinois
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Highest demand for flights based on searches. 12% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Milwaukee-Mitchell to Illinois.
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Price to beat on a one-way flight from Milwaukee-Mitchell to Illinois.
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Find flight deals from Milwaukee to Illinois

Cheapest flights from Milwaukee to Illinois
Explore the most affordable flight options available from Milwaukee to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

This American Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 12/33:45 pmMKE - STL
1 stop7h 21mAmerican Airlines
Wed 12/1010:13 amSTL - MKE
1 stop4h 51mAmerican Airlines
Deal found 11/3$159
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 12/23:09 pmMKE - STL
1 stop7h 50mAmerican Airlines
Tue 12/91:43 pmSTL - MKE
1 stop3h 33mAmerican Airlines
Deal found 11/4$169
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 11/2510:53 amMKE - ORD
Nonstop1h 11mUnited Airlines
Sun 11/305:50 pmORD - MKE
Nonstop0h 57mUnited Airlines
Deal found 11/4$179
This American Airlines deal was found by Cheapflights users on 11/5. 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 12/116:10 amMKE - STL
1 stop6h 24mAmerican Airlines
Thu 12/116:53 pmSTL - MKE
1 stop5h 08mAmerican Airlines
Deal found 11/5$181
This American Airlines deal was found by Cheapflights users on 11/4. 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 11/2112:03 pmMKE - ORD
Nonstop1h 09mAmerican Airlines
Sat 11/227:16 amORD - MKE
Nonstop0h 59mAmerican Airlines
Deal found 11/4$209
This Southwest deal was found by Cheapflights users on 11/2. 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.
Thu 12/46:00 amMKE - MDW
1 stop5h 25mSouthwest
Thu 12/115:35 amMDW - MKE
1 stop6h 25mSouthwest
Deal found 11/2$209
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Fri 12/1210:34 amMKE - MDW
1 stop12h 05mMultiple Airlines
Sun 12/146:37 pmMDW - MKE
1 stop15h 02mMultiple Airlines
Deal found 11/3$210
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/410:34 amMKE - ORD
1 stop26h 42mMultiple Airlines
Thu 12/117:20 amORD - MKE
1 stop26h 19mMultiple Airlines
Deal found 11/3$217
This Southwest deal was found by Cheapflights users on 11/4. 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 12/34:05 pmMKE - MDW
1 stop6h 30mSouthwest
Thu 12/46:20 amMDW - MKE
1 stop5h 20mSouthwest
Deal found 11/4$218
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 11/183:44 pmMKE - STL
1 stop7h 23mAmerican Airlines
Tue 12/25:17 amSTL - MKE
1 stop5h 53mAmerican Airlines
Deal found 11/4$224
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Fri 12/196:27 pmMKE - ORD
1 stop22h 23mMultiple Airlines
Fri 12/2612:26 pmORD - MKE
1 stop5h 07mMultiple Airlines
Deal found 11/5$229
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:34 amMKE - ORD
1 stop11h 14mSpirit Airlines
Thu 12/117:20 amORD - MKE
1 stop26h 19mSpirit Airlines
Deal found 11/2$231

Cheapflights Fare Finder

 
Customize your flight search to find flights from Milwaukee 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 November 5, 2025.
Use the filters below to find and compare flights from Milwaukee to Illinois that are best for you.

Fly from

Milwaukee

Fly to

Illinois

Route

Depart

Return

Price

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Thu 12/4

8:40 am-9:51 am

Nonstop1h 11m

Chicago O'Hare Intl

Thu 12/11

9:32 pm-10:30 pm

Nonstop0h 58m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Thu 12/4

8:05 am-9:21 am

Nonstop1h 16m

Chicago O'Hare Intl

Thu 12/11

5:03 pm-5:58 pm

Nonstop0h 55m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Tue 11/25

10:53 am-12:04 pm

Nonstop1h 11m

Chicago O'Hare Intl

Sun 11/30

5:50 pm-6:47 pm

Nonstop0h 57m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Wed 11/26

8:52 am-10:08 am

Nonstop1h 16m

Chicago O'Hare Intl

Sat 11/29

4:49 pm-5:43 pm

Nonstop0h 54m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Tue 12/2

5:35 pm-6:46 pm

Nonstop1h 11m

Chicago O'Hare Intl

Tue 12/9

8:39 pm-9:47 pm

Nonstop1h 08m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Wed 11/26

8:52 am-10:08 am

Nonstop1h 16m

Chicago O'Hare Intl

Mon 12/1

4:49 pm-5:43 pm

Nonstop0h 54m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Fri 12/12

3:50 pm-5:01 pm

Nonstop1h 11m

Chicago O'Hare Intl

Sun 12/14

10:23 am-11:29 am

Nonstop1h 06m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Sat 12/13

7:51 pm-9:14 pm

Nonstop1h 23m

Chicago O'Hare Intl

Mon 12/15

7:19 am-8:17 am

Nonstop0h 58m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Tue 12/2

9:40 am-10:52 am

Nonstop1h 12m

Chicago O'Hare Intl

Tue 12/23

4:55 pm-5:49 pm

Nonstop0h 54m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Fri 12/26

6:36 am-7:58 am

Nonstop1h 22m

Chicago O'Hare Intl

Sat 12/27

6:40 pm-7:55 pm

Nonstop1h 15m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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

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

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

Currently, November is the cheapest month in which you can book a flight from Milwaukee to Illinois (average of $173). Flying from Milwaukee to Illinois in July is currently the most expensive (average of $206). 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 MKE to IL?

Find hourly flight availability from Milwaukee 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 November 5, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 36% on flights from Milwaukee to Illinois by exploring options for tickets at noon.

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

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

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

Weekly flight availability from Milwaukee to Illinois

Explore weekly flight availability from Milwaukee 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 November 5, 2025.

The most flights from MKE to USIL are scheduled on a Monday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (47 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 November 5, 2025.
Read reviews from past customers who have flown American Airlines from Milwaukee to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,042 reviews

Crew

8.0

Entertainment

6.9

Overall

7.2

Boarding

7.5

Comfort

7.2

Food

6.4

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,042 reviews
American Airlines
7.2
Good
11,042 reviews

Crew

8.0

Entertainment

6.9

Overall

7.2

Boarding

7.5

Comfort

7.2

Food

6.4

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

Related info for your journey

Find useful and relevant information for your journey from Milwaukee to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Milwaukee to Illinois?

    Milwaukee-Mitchell (MKE), located 6.4 mi from the city center, is the airport you fly out of when you book flights from Milwaukee to Illinois.

  • How long is the flight from Milwaukee to Illinois?

    Departing from Milwaukee to Illinois will take you 1h 11m. Airlines will cover a distance of 67 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $79. Users have also found prices from $100 and $103 on Southwest and Frontier, respectively.

  • What are the most popular routes from Milwaukee to Illinois?

    Most travelers choose Milwaukee-Mitchell - Lambert-St Louis, Milwaukee-Mitchell - Chicago O'Hare Intl or Milwaukee-Mitchell - Evansville Dress Regional when deciding on the best route from Milwaukee to Illinois.

  • What are the most reliable airlines from Milwaukee to Illinois?

    Consider United Airlines (78%), Republic Airways (77%) or Copa Airlines (75%) when booking your flight. These represent the most reliable airlines when flying from Milwaukee to Illinois.

  • What are the cheapest flights from Milwaukee to Illinois?

    Looking for the cheapest flight from Milwaukee to Illinois? While on average our users pay $784, our data indicates the cheapest price to be $110. The most popular route (Milwaukee-Mitchell - Lambert-St Louis), is priced around $167.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Milwaukee to Illinois (average of $173). Flying from Milwaukee to Illinois in July is currently the most expensive (average of $206). 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 Milwaukee to Illinois

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Top airline flying from Milwaukee to Illinois

Discover the top airline that operate flights from Milwaukee 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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$264FlexibilityNo cancel feeOn-time71%

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