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$79+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ORD
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$159
(American Airlines)

One-way from

$79
(American Airlines)

Popular in

November

Cheapest in

June

Average price

$179

Good round-trip deal

$322 or less

Good one-way deal

$183 or less
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. 13% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($21 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 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 August 18, 2025.

This American Airlines deal was found by Cheapflights users on 8/16. 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 9/134:38 pmMKE - STL
1 stop5h 15mAmerican Airlines
Sat 9/205:18 amSTL - MKE
1 stop5h 13mAmerican Airlines
Deal found 8/16$159
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 9/146:00 amMKE - ORD
Nonstop1h 10mUnited Airlines
Sat 9/277:35 pmORD - MKE
Nonstop1h 11mUnited Airlines
Deal found 8/18$179
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/112:27 pmMKE - ORD
Nonstop1h 09mAmerican Airlines
Sun 9/149:04 amORD - MKE
Nonstop1h 00mAmerican Airlines
Deal found 8/18$180
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/52:23 pmMKE - ORD
Nonstop1h 10mAmerican Airlines
Sun 9/78:14 pmORD - MKE
Nonstop0h 58mAmerican Airlines
Deal found 8/17$184
This American Airlines deal was found by Cheapflights users on 8/15. 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 8/291:06 pmMKE - ORD
Nonstop1h 04mAmerican Airlines
Mon 9/18:35 amORD - MKE
Nonstop0h 53mAmerican Airlines
Deal found 8/15$189
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Sun 8/247:49 pmMKE - ORD
Nonstop1h 04mAmerican Airlines
Sun 8/3111:40 amORD - MKE
Nonstop0h 56mAmerican Airlines
Deal found 8/16$199
This American Airlines deal was found by Cheapflights users on 8/16. 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 9/192:23 pmMKE - STL
1 stop6h 09mAmerican Airlines
Mon 9/228:23 amSTL - MKE
1 stop5h 21mAmerican Airlines
Deal found 8/16$211
This Southwest deal was found by Cheapflights users on 8/16. 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 9/156:35 pmMKE - MDW
1 stop4h 15mSouthwest
Mon 9/223:25 pmMDW - MKE
1 stop5h 35mSouthwest
Deal found 8/16$217
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 9/146:18 amMKE - ORD
Nonstop1h 06mAmerican Airlines
Sun 9/219:04 amORD - MKE
Nonstop1h 00mAmerican Airlines
Deal found 8/17$224
This Southwest deal was found by Cheapflights users on 8/15. 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.
Tue 9/94:30 pmMKE - STL
Nonstop1h 20mSouthwest
Tue 9/98:50 pmSTL - MKE
Nonstop1h 15mSouthwest
Deal found 8/15$237
This American Airlines deal was found by Cheapflights users on 8/16. 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 9/252:27 pmMKE - ORD
Nonstop1h 09mAmerican Airlines
Sun 9/289:04 amORD - MKE
Nonstop1h 00mAmerican Airlines
Deal found 8/16$239
This American Airlines deal was found by Cheapflights users on 8/17. 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 10/252:36 pmMKE - STL
1 stop3h 35mAmerican Airlines
Sun 10/266:00 amSTL - MKE
1 stop4h 33mAmerican Airlines
Deal found 8/17$241

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 August 18, 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

MilwaukeeSt. Louis

MKE - STL

MKESTL

Milwaukee-Mitchell

Sat 9/13

4:38 pm-9:53 pm

1 stop5h 15m

Lambert-St Louis

Sat 9/20

5:18 am-10:31 am

1 stop5h 13m

$159

MilwaukeeSt. Louis

MKE - STL

MKESTL

Milwaukee-Mitchell

Sat 10/18

8:16 pm-11:54 pm

1 stop3h 38m

Lambert-St Louis

Sat 10/25

5:09 pm-10:14 pm

1 stop5h 05m

$159

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Sun 9/14

6:00 am-7:10 am

Nonstop1h 10m

Chicago O'Hare Intl

Sat 9/27

7:35 pm-8:46 pm

Nonstop1h 11m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Mon 9/15

7:15 pm-8:25 pm

Nonstop1h 10m

Chicago O'Hare Intl

Mon 9/22

9:35 pm-10:41 pm

Nonstop1h 06m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Thu 1/1

7:45 am-8:56 am

Nonstop1h 11m

Chicago O'Hare Intl

Fri 1/2

11:40 am-12:32 pm

Nonstop0h 52m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Sun 9/14

6:00 am-7:10 am

Nonstop1h 10m

Chicago O'Hare Intl

Sun 9/21

9:07 am-10:13 am

Nonstop1h 06m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Tue 10/21

2:18 pm-3:27 pm

Nonstop1h 09m

Chicago O'Hare Intl

Tue 10/28

7:26 pm-8:26 pm

Nonstop1h 00m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Mon 9/15

4:33 pm-5:45 pm

Nonstop1h 12m

Chicago O'Hare Intl

Mon 9/22

6:48 pm-7:52 pm

Nonstop1h 04m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Fri 9/26

4:39 pm-5:51 pm

Nonstop1h 12m

Chicago O'Hare Intl

Sun 9/28

9:04 am-10:04 am

Nonstop1h 00m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Fri 2/6

6:41 pm-7:50 pm

Nonstop1h 09m

Chicago O'Hare Intl

Tue 2/10

2:50 pm-3:46 pm

Nonstop0h 56m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 41 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, August is the cheapest month in which you can book a flight from Milwaukee to Illinois (average of $245). Flying from Milwaukee 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 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 August 18, 2025.

When flying from Milwaukee 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 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 August 18, 2025.

The most flights from MKE to USIL are scheduled on a Monday (51 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (11 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 August 18, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Milwaukee to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,925 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,925 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 10m. 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 most popular routes from Milwaukee to Illinois?

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

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

    Consider Copa Airlines (68%), Avianca (64%) or Alaska Airlines (63%) 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 $830, our data indicates the cheapest price to be $98. The most popular route (Milwaukee-Mitchell - Chicago O'Hare Intl), is priced around $179.

  • 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, August is the cheapest month in which you can book a flight from Milwaukee to Illinois (average of $245). Flying from Milwaukee 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.

See more FAQs

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Alternative routes for Milwaukee 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 Milwaukee to Illinois

Discover the top 2 airlines 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$253FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$229Average$309FlexibilityNo cancel feeOn-time69%

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