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Milwaukee

$68+ Cheap flights from Illinois to Milwaukee (MKE)

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MKE
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Illinois to Milwaukee

Cheapest flights from Illinois to Milwaukee
Explore the most affordable flight options available from Illinois to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:55 pmORD - MKE
Nonstop0h 54mAmerican Airlines
Tue 1/61:04 pmMKE - ORD
Nonstop1h 16mAmerican Airlines
Deal found 12/2$179
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Thu 12/2512:30 pmORD - MKE
Nonstop0h 52mAmerican Airlines
Sun 12/288:08 pmMKE - ORD
Nonstop1h 22mAmerican Airlines
Deal found 12/3$180
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Tue 12/236:29 pmORD - MKE
Nonstop0h 59mAmerican Airlines
Sat 12/278:08 pmMKE - ORD
Nonstop1h 22mAmerican Airlines
Deal found 12/3$194
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:12 amORD - MKE
Nonstop1h 01mAmerican Airlines
Sun 12/216:00 amMKE - ORD
Nonstop1h 20mAmerican Airlines
Deal found 12/2$209
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/134:20 pmORD - MKE
Nonstop0h 56mAmerican Airlines
Wed 12/171:08 pmMKE - ORD
Nonstop1h 12mAmerican Airlines
Deal found 12/2$224
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:20 pmORD - MKE
Nonstop0h 56mAmerican Airlines
Sat 12/137:51 pmMKE - ORD
Nonstop1h 23mAmerican Airlines
Deal found 12/2$239
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Wed 12/3111:23 amORD - MKE
1 stop7h 57mMultiple Airlines
Wed 1/78:15 pmMKE - ORD
1 stop21h 37mMultiple Airlines
Deal found 12/3$249
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 amSTL - MKE
1 stop11h 49mAmerican Airlines
Thu 12/256:00 amMKE - STL
1 stop8h 09mAmerican Airlines
Deal found 12/2$265
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:04 pmORD - MKE
Nonstop0h 55mAmerican Airlines
Tue 12/91:08 pmMKE - ORD
Nonstop1h 12mAmerican Airlines
Deal found 12/1$272
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:16 amSTL - MKE
1 stop5h 47mAmerican Airlines
Tue 1/69:30 amMKE - STL
1 stop5h 20mAmerican Airlines
Deal found 12/2$276
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/113:30 pmSTL - MKE
1 stop25h 39mMultiple Airlines
Sun 12/1410:34 amMKE - STL
1 stop22h 25mMultiple Airlines
Deal found 12/2$282
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.
Thu 12/116:20 amMDW - MKE
1 stop5h 20mSouthwest
Fri 12/125:50 amMKE - MDW
1 stop4h 05mSouthwest
Deal found 12/2$284

Find flight deals from Illinois to Milwaukee

Keep the following information in mind while searching for Illinois to Milwaukee flight deals. Data was last updated December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$178
(American Airlines)

One-way from

$68
(Southwest)

Popular in

February

Cheapest in

November

Average price

$394
Provider with most accurate pricing for Chicago (CHI)-Milwaukee-Mitchell flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Milwaukee-Mitchell flights.
Search Deals
From Illinois to Milwaukee-Mitchell
Search Deals
One-way flight from Illinois to Milwaukee-Mitchell
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Milwaukee 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 4, 2025.
Use the filters below to find and compare flights from Illinois to Milwaukee that are best for you.

Fly from

Illinois

Fly to

Milwaukee

Route

Depart

Return

Price

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Tue 2/3

3:00 pm-3:57 pm

Nonstop0h 57m

Milwaukee-Mitchell

Wed 2/4

6:58 pm-8:20 pm

Nonstop1h 22m

$175

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Fri 2/13

7:50 pm-8:55 pm

Nonstop1h 05m

Milwaukee-Mitchell

Tue 2/17

5:00 am-6:06 am

Nonstop1h 06m

$179

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Wed 12/31

8:45 am-9:47 am

Nonstop1h 02m

Milwaukee-Mitchell

Wed 1/7

7:32 am-8:53 am

Nonstop1h 21m

$179

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Tue 2/17

10:46 am-11:44 am

Nonstop0h 58m

Milwaukee-Mitchell

Fri 2/27

8:42 am-9:59 am

Nonstop1h 17m

$179

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Thu 1/1

8:45 am-9:47 am

Nonstop1h 02m

Milwaukee-Mitchell

Thu 1/8

1:04 pm-2:20 pm

Nonstop1h 16m

$179

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Thu 12/25

12:30 pm-1:22 pm

Nonstop0h 52m

Milwaukee-Mitchell

Sun 12/28

8:08 pm-9:30 pm

Nonstop1h 22m

$180

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Tue 1/13

6:35 am-12:29 pm

1 stop5h 54m

Milwaukee-Mitchell

Wed 1/14

9:33 am-4:37 pm

1 stop7h 04m

$181

ChicagoMilwaukee

MDW - MKE

MDWMKE

Chicago Midway

Thu 3/12

11:00 am-11:45 am

Nonstop0h 45m

Milwaukee-Mitchell

Wed 3/18

5:50 am-6:50 am

Nonstop1h 00m

$208

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Wed 12/17

11:12 am-12:13 pm

Nonstop1h 01m

Milwaukee-Mitchell

Sun 12/21

6:00 am-7:20 am

Nonstop1h 20m

$209

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Thu 1/8

3:37 pm-9:59 pm

1 stop6h 22m

Milwaukee-Mitchell

Mon 1/12

6:40 am-2:47 pm

1 stop8h 07m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 50 results
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Best time to book a flight from Illinois to Milwaukee

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

Cheapflights Insights

Everything you need to know about your flight from Illinois to Milwaukee

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

Currently, February is the cheapest month in which you can book a flight from Illinois to Milwaukee (average of $158). Flying from Illinois to Milwaukee in April is currently the most expensive (average of $239). 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 MKE?

Find hourly flight availability from Illinois to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

It’s typically best to fly out from Illinois to Milwaukee in the evening. Doing so could potentially save you 66% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Illinois to Milwaukee

Explore weekly flight availability from Illinois to Milwaukee. 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 4, 2025.

The most flights from USIL to MKE are scheduled on a Thursday (53 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Milwaukee. 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 into for flights to Milwaukee from Illinois?

    Milwaukee-Mitchell (MKE) is the airport you will fly into if you book a flight from Illinois to Milwaukee. It is only a 6.4 mi journey from Milwaukee-Mitchell (MKE) to Milwaukee’s city center.

  • How long is the flight from Illinois to Milwaukee?

    A quick flight from Illinois to Milwaukee can take about 57m. American Airlines provides one of the quickest options available for as low as $175. The distance between Illinois and Milwaukee is about 67 mi. This flight may include one or multiple stops.

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

    The most popular route from Illinois to Milwaukee is Chicago O'Hare Intl - Milwaukee-Mitchell. You may also consider Lambert-St Louis - Milwaukee-Mitchell or Chicago Midway - Milwaukee-Mitchell.

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

    The top 3 most reliable airlines when flying from Illinois to Milwaukee are Republic Airways (81%), United Airlines (75%) and Air Canada (72%).

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Illinois to Milwaukee (average of $158). Flying from Illinois to Milwaukee in April is currently the most expensive (average of $239). 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

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
New Berlin
Oak Creek
Wauwatosa

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Alternative routes for Illinois to Milwaukee

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

Discover the top 2 airlines that operate flights from Illinois to Milwaukee. 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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$239FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$179Average$235FlexibilityNo cancel feeOn-time71%

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