HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Milwaukee

$79+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MKE
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Milwaukee 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 Illinois to Milwaukee

Keep the following information in mind while searching for Illinois to Milwaukee flight deals. Data was last updated April 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$177
(Delta)

One-way from

$79
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$194

Good round-trip deal

$194 or less

Good one-way deal

$198 or less
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. 27% potential increase in price ($104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Milwaukee-Mitchell.
Search Deals
Price to beat on a one-way flight from Illinois to Milwaukee-Mitchell.
Search Deals

Find 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 April 22, 2025.

This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/206:05 pmSTL - MKE
1 stop5h 02mDelta
Tue 5/277:04 pmMKE - STL
1 stop4h 22mDelta
Deal found 4/20$177
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Wed 5/218:35 amORD - MKE
Nonstop0h 47mAmerican Airlines
Sat 5/2410:05 amMKE - ORD
Nonstop1h 00mAmerican Airlines
Deal found 4/21$179
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:15 pmSTL - MKE
1 stop18h 33mFrontier
Sun 5/114:25 pmMKE - STL
1 stop16h 44mFrontier
Deal found 4/22$226
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/209:02 pmORD - MKE
1 stop21h 57mSpirit Airlines
Tue 5/277:54 pmMKE - ORD
1 stop15h 01mSpirit Airlines
Deal found 4/22$233
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Sat 5/312:09 pmORD - MKE
Nonstop1h 01mUnited Airlines
Sun 6/15:15 amMKE - ORD
Nonstop1h 05mUnited Airlines
Deal found 4/21$239
This Southwest deal was found by Cheapflights users on 4/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/208:55 pmSTL - MKE
Nonstop1h 10mSouthwest
Tue 5/276:10 amMKE - STL
Nonstop1h 20mSouthwest
Deal found 4/20$241
This Mytrip deal was found by Cheapflights users on 4/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/510:33 amORD - MKE
1 stop21h 10mMultiple Airlines
Thu 6/126:17 pmMKE - ORD
1 stop22h 58mMultiple Airlines
Deal found 4/21$291
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/67:23 amSTL - MKE
1 stop5h 44mAmerican Airlines
Sun 8/107:25 amMKE - STL
1 stop4h 29mAmerican Airlines
Deal found 4/22$311
This Mytrip deal was found by Cheapflights users on 4/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:10 pmSTL - MKE
2 stops17h 17mSpirit Airlines
Sat 5/1012:22 pmMKE - STL
2 stops20h 53mSpirit Airlines
Deal found 4/21$352
This Mytrip deal was found by Cheapflights users on 4/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:10 amSTL - MKE
2 stops21h 33mMultiple Airlines
Mon 5/1212:22 pmMKE - STL
3 stops30h 19mMultiple Airlines
Deal found 4/20$378
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/310:00 amORD - MKE
1 stop13h 59mAlaska Airlines
Tue 6/106:18 amMKE - ORD
1 stop10h 44mAlaska Airlines
Deal found 4/21$394
This Delta deal was found by Cheapflights users on 4/21. 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 5/319:20 amMDW - MKE
1 stop13h 37mDelta
Sun 6/17:04 pmMKE - MDW
1 stop13h 32mDelta
Deal found 4/21$416

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 April 22, 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

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Tue 5/20

6:05 pm-11:07 pm

1 stop5h 02m

Milwaukee-Mitchell

Tue 5/27

7:04 pm-11:26 pm

1 stop4h 22m

$177

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Wed 5/21

8:35 am-9:22 am

Nonstop0h 47m

Milwaukee-Mitchell

Sat 5/24

10:05 am-11:05 am

Nonstop1h 00m

$179

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Wed 5/7

8:15 pm-2:48 pm

1 stop18h 33m

Milwaukee-Mitchell

Sun 5/11

4:25 pm-9:09 am

1 stop16h 44m

$226

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Tue 5/20

9:02 pm-6:59 pm

1 stop21h 57m

Milwaukee-Mitchell

Tue 5/27

7:54 pm-10:55 am

1 stop15h 01m

$233

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Sat 5/31

2:09 pm-3:10 pm

Nonstop1h 01m

Milwaukee-Mitchell

Sun 6/1

5:15 am-6:20 am

Nonstop1h 05m

$239

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Tue 5/20

8:55 pm-10:05 pm

Nonstop1h 10m

Milwaukee-Mitchell

Tue 5/27

6:10 am-7:30 am

Nonstop1h 20m

$241

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Thu 6/5

10:33 am-7:43 am

1 stop21h 10m

Milwaukee-Mitchell

Thu 6/12

6:17 pm-5:15 pm

1 stop22h 58m

$291

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Wed 8/6

7:23 am-1:07 pm

1 stop5h 44m

Milwaukee-Mitchell

Sun 8/10

7:25 am-11:54 am

1 stop4h 29m

$311

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Tue 5/6

6:10 pm-11:27 am

2 stops17h 17m

Milwaukee-Mitchell

Sat 5/10

12:22 pm-9:15 am

2 stops20h 53m

$352

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Thu 5/8

10:10 am-7:43 am

2 stops21h 33m

Milwaukee-Mitchell

Mon 5/12

12:22 pm-6:41 pm

3 stops30h 19m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 28 results
1
2
3

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 $280). Flying from Illinois to Milwaukee in June is currently the most expensive (average of $376). 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 April 22, 2025.

When flying from Illinois to Milwaukee, 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 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 April 22, 2025.

The most flights from USIL to MKE are scheduled on a Tuesday (47 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).

Rainfall in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Milwaukee ranges from 1.4 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. January is typically the driest time to visit Milwaukee when rainfall is around 1.4 in.

Temperature in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Milwaukee, 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 21.2 F).

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. 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 Milwaukee. Reviews last updated April 22, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Illinois to Milwaukee by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,906 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,286 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,683 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
JetBlue
7.3
Good
2,923 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $79. Users have also found prices from $80 and $89 on American Airlines and Delta, respectively.

  • 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 (100%), Aer Lingus (78%) and SkyWest Airlines (72%).

  • What are the cheapest flights from Illinois to Milwaukee?

    While on average a flight from Illinois to Milwaukee is generally $281, our data shows the cheapest flight currently is $119. When looking at the most popular route, (Lambert-St Louis - Milwaukee-Mitchell), you can expect to pay $177 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, February is the cheapest month in which you can book a flight from Illinois to Milwaukee (average of $280). Flying from Illinois to Milwaukee in June is currently the most expensive (average of $376). 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 Illinois?

Book flights to Illinois if you plan to visit one of these locations
Mequon
Pewaukee
Sheboygan
Oak Creek
Wauwatosa

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Milwaukee

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to O'Hare Intl flights
John F Kennedy Intl to O'Hare Intl flights
Dallas/Fort Worth to O'Hare Intl flights
Newark to O'Hare Intl flights
Los Angeles to O'Hare Intl flights
San Francisco to O'Hare Intl flights
Philadelphia to O'Hare Intl flights
Boston to O'Hare Intl flights
Dulles Intl to O'Hare Intl flights
Seattle to O'Hare Intl flights
Reagan-National to O'Hare Intl flights
Denver to O'Hare Intl flights
Baltimore to O'Hare Intl flights
Ontario to O'Hare Intl flights
Sky Harbor Intl to O'Hare Intl flights
Raleigh to O'Hare Intl flights
Santa Ana to O'Hare Intl flights
Orlando to O'Hare Intl flights
John F Kennedy Intl to Minneapolis flights
Austin to O'Hare Intl flights
Dallas/Fort Worth to Minneapolis flights
Atlanta to O'Hare Intl flights
San Diego to O'Hare Intl flights
George Bush Intcntl to O'Hare Intl flights
Hobby to O'Hare Intl flights
Burbank to O'Hare Intl flights
Fort Lauderdale to O'Hare Intl flights
Seattle to Minneapolis flights
Miami to O'Hare Intl flights
Portland to O'Hare Intl flights
Minneapolis to O'Hare Intl flights
LaGuardia to Minneapolis flights
Charlotte to O'Hare Intl flights
Newark to Minneapolis flights
Hartford to O'Hare Intl flights
San Jose to O'Hare Intl flights
Dulles Intl to Minneapolis flights
John F Kennedy Intl to Milwaukee flights
Boston to Minneapolis flights
Newark to Milwaukee flights
Tampa to O'Hare Intl flights
Los Angeles to Minneapolis flights
Cleveland to O'Hare Intl flights
Reagan-National to Minneapolis flights
Oakland to O'Hare Intl flights
Denver to Minneapolis flights
LaGuardia to Milwaukee flights
O'Hare Intl to Minneapolis flights
Sky Harbor Intl to Minneapolis flights
Seattle to Milwaukee flights

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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$249FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$235Average$279FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.