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Milwaukee

$89+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MKE
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
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 January 20, 2026.

This American Airlines deal was found by Cheapflights users on 1/19. 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 2/1610:58 am
ORD
-
MKE
Nonstop0h 58m
American Airlines
Tue 2/174:47 pm
MKE
-
ORD
Nonstop1h 08m
American Airlines
Deal found 1/19$177
This Southwest deal was found by Cheapflights users on 1/19. 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 4/89:00 pm
MDW
-
MKE
Nonstop0h 45m
Southwest
Sat 5/92:00 pm
MKE
-
MDW
Nonstop0h 45m
Southwest
Deal found 1/19$177
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:54 am
ORD
-
MKE
Nonstop0h 55m
American Airlines
Fri 3/135:00 am
MKE
-
ORD
Nonstop1h 11m
American Airlines
Deal found 1/20$179
This Southwest deal was found by Cheapflights users on 1/19. 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 2/256:10 am
MDW
-
MKE
1 stop5h 20m
Southwest
Sat 2/283:20 pm
MKE
-
MDW
1 stop4h 35m
Southwest
Deal found 1/19$184
This United Airlines deal was found by Cheapflights users on 1/19. 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 2/29:25 am
ORD
-
MKE
Nonstop1h 09m
United Airlines
Thu 2/511:30 am
MKE
-
ORD
Nonstop1h 13m
United Airlines
Deal found 1/19$207
This Southwest deal was found by Cheapflights users on 1/19. 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.
Sat 2/147:45 am
MDW
-
MKE
1 stop4h 00m
Southwest
Wed 2/185:30 am
MKE
-
MDW
1 stop4h 00m
Southwest
Deal found 1/19$218
This Mytrip deal was found by Cheapflights users on 1/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/210:16 am
STL
-
MKE
1 stop7h 50m
Frontier
Fri 2/67:28 pm
MKE
-
STL
1 stop15h 43m
Frontier
Deal found 1/18$224
This Billigflug deal was found by Cheapflights users on 1/19. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/127:00 pm
ORD
-
MKE
Nonstop0h 59m
Alaska Airlines
Sun 2/1512:26 pm
MKE
-
ORD
Nonstop1h 05m
Alaska Airlines
Deal found 1/19$231
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Sat 2/2111:30 am
ORD
-
MKE
Nonstop1h 05m
United Airlines
Wed 2/2511:30 am
MKE
-
ORD
Nonstop1h 06m
United Airlines
Deal found 1/19$237
This Southwest deal was found by Cheapflights users on 1/19. 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.
Fri 7/310:25 am
MDW
-
MKE
Nonstop0h 45m
Southwest
Tue 7/76:00 am
MKE
-
MDW
Nonstop0h 50m
Southwest
Deal found 1/19$247
This American Airlines deal was found by Cheapflights users on 1/18. 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.
Sat 2/146:18 pm
STL
-
MKE
1 stop5h 20m
American Airlines
Sat 2/216:00 am
MKE
-
STL
1 stop4h 13m
American Airlines
Deal found 1/18$255
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:00 am
STL
-
MKE
1 stop5h 01m
American Airlines
Wed 2/114:30 pm
MKE
-
STL
1 stop4h 45m
American Airlines
Deal found 1/20$257

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 January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$177
(American Airlines)

One-way from

$89
(United Airlines)

Good round-trip deal

$224 or less

Good one-way deal

$150 or less
Provider with most accurate pricing for Chicago (CHI)-Milwaukee-Mitchell flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Milwaukee-Mitchell flights.
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From Illinois to Milwaukee-Mitchell
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One-way flight from Illinois to Milwaukee-Mitchell
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Price to beat on a round-trip flight from Illinois to Milwaukee-Mitchell.
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Price to beat on a one-way flight from Illinois to Milwaukee-Mitchell.
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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 January 20, 2026.
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

Fri 2/20

7:00 pm-7:59 pm

Nonstop0h 59m

Milwaukee-Mitchell

Sun 2/22

6:00 am-7:11 am

Nonstop1h 11m

$177

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Thu 3/26

9:45 pm-10:43 pm

Nonstop0h 58m

Milwaukee-Mitchell

Sun 3/29

6:50 am-7:59 am

Nonstop1h 09m

$177

ChicagoMilwaukee

MDW - MKE

MDWMKE

Chicago Midway

Wed 4/8

9:00 pm-9:45 pm

Nonstop0h 45m

Milwaukee-Mitchell

Sat 5/9

2:00 pm-2:45 pm

Nonstop0h 45m

$177

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Mon 2/16

4:59 pm-5:54 pm

Nonstop0h 55m

Milwaukee-Mitchell

Tue 2/17

9:00 am-10:06 am

Nonstop1h 06m

$177

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Sat 3/21

7:40 pm-8:45 pm

Nonstop1h 05m

Milwaukee-Mitchell

Sun 3/22

11:30 am-12:36 pm

Nonstop1h 06m

$177

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Wed 2/25

11:45 am-12:43 pm

Nonstop0h 58m

Milwaukee-Mitchell

Sat 2/28

8:00 am-9:11 am

Nonstop1h 11m

$177

ChicagoMilwaukee

MDW - MKE

MDWMKE

Chicago Midway

Wed 2/25

6:10 am-11:30 am

1 stop5h 20m

Milwaukee-Mitchell

Sat 2/28

3:20 pm-7:55 pm

1 stop4h 35m

$184

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Tue 2/3

9:50 pm-10:56 pm

Nonstop1h 06m

Milwaukee-Mitchell

Sat 2/7

3:20 pm-4:33 pm

Nonstop1h 13m

$207

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Mon 2/2

9:25 am-10:34 am

Nonstop1h 09m

Milwaukee-Mitchell

Thu 2/5

11:30 am-12:43 pm

Nonstop1h 13m

$207

ChicagoMilwaukee

MDW - MKE

MDWMKE

Chicago Midway

Sat 2/14

7:45 am-11:45 am

1 stop4h 00m

Milwaukee-Mitchell

Wed 2/18

5:30 am-9:30 am

1 stop4h 00m

$218

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 51 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, May 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 January 20, 2026.

It’s typically best to fly out from Illinois to Milwaukee in the evening. Doing so could potentially save you 49% 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 January 20, 2026.

The most flights from USIL to MKE are scheduled on a Monday (44 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 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 45m. American Airlines provides one of the quickest options available for as low as $177. The distance between Illinois and Milwaukee is about 80 mi. All flights are typically nonstop.

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

    The most popular route from Illinois to Milwaukee is Lambert-St Louis - Milwaukee-Mitchell. You may also consider Chicago O'Hare Intl - 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 (73%), Air Canada (63%) and Lufthansa (63%).

  • What are the cheapest flights from Illinois to Milwaukee?

    While on average a flight from Illinois to Milwaukee is generally $245, our data shows the cheapest flight currently is $98. When looking at the most popular route, (Lambert-St Louis - Milwaukee-Mitchell), you can expect to pay $269 for that flight.

  • 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, May 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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$249FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$179Average$289FlexibilityNo cancel feeOn-time71%

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