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$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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MKE
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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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 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$179
(United Airlines)

One-way from

$89
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$476

Good round-trip deal

$235 or less

Good one-way deal

$148 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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Highest demand for flights based on searches. 20% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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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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 2, 2025.

This American Airlines deal was found by Cheapflights users on 3/31. 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 4/268:30 amORD - MKE
Nonstop0h 54mAmerican Airlines
Sun 4/271:48 pmMKE - ORD
Nonstop0h 57mAmerican Airlines
Deal found 3/31$179
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/166:51 pmSTL - MKE
1 stop14h 36mFrontier
Sun 4/2010:32 amMKE - STL
1 stop22h 34mFrontier
Deal found 4/1$189
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Fri 6/273:50 pmORD - MKE
Nonstop1h 00mUnited Airlines
Sun 6/295:15 amMKE - ORD
Nonstop1h 05mUnited Airlines
Deal found 3/31$194
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2911:53 amORD - MKE
2 stops31h 00mSpirit Airlines
Tue 5/612:32 pmMKE - ORD
1 stop20h 18mSpirit Airlines
Deal found 4/1$235
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/295:35 pmSTL - MKE
1 stop3h 02mUnited Airlines
Tue 5/65:47 pmMKE - STL
1 stop4h 01mUnited Airlines
Deal found 4/1$237
This Southwest deal was found by Cheapflights users on 4/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:55 pmSTL - MKE
Nonstop1h 10mSouthwest
Mon 5/126:55 pmMKE - STL
Nonstop1h 20mSouthwest
Deal found 4/1$241
This American Airlines deal was found by Cheapflights users on 4/1. 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 5/76:00 amSTL - MKE
1 stop3h 22mAmerican Airlines
Mon 5/126:23 pmMKE - STL
1 stop5h 28mAmerican Airlines
Deal found 4/1$250
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:00 amSTL - MKE
1 stop5h 23mDelta
Tue 5/67:31 pmMKE - STL
1 stop4h 18mDelta
Deal found 4/1$263
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/55:45 amORD - MKE
1 stop17h 53mMultiple Airlines
Mon 4/74:14 pmMKE - ORD
1 stop25h 51mMultiple Airlines
Deal found 4/1$366
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:10 pmSTL - MKE
2 stops21h 36mMultiple Airlines
Sun 5/45:00 pmMKE - STL
3 stops25h 41mMultiple Airlines
Deal found 4/1$429
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/168:00 amORD - MKE
1 stop15h 59mAlaska Airlines
Fri 5/236:18 amMKE - ORD
1 stop16h 05mAlaska Airlines
Deal found 4/1$875

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 2, 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

Sat 4/26

8:30 am-9:24 am

Nonstop0h 54m

Milwaukee-Mitchell

Sun 4/27

1:48 pm-2:45 pm

Nonstop0h 57m

$179

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Wed 4/16

6:51 pm-9:27 am

1 stop14h 36m

Milwaukee-Mitchell

Sun 4/20

10:32 am-9:06 am

1 stop22h 34m

$189

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Fri 6/27

3:50 pm-4:50 pm

Nonstop1h 00m

Milwaukee-Mitchell

Sun 6/29

5:15 am-6:20 am

Nonstop1h 05m

$194

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Tue 4/29

11:53 am-6:53 pm

2 stops31h 00m

Milwaukee-Mitchell

Tue 5/6

12:32 pm-8:50 am

1 stop20h 18m

$235

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Tue 4/29

5:35 pm-8:37 pm

1 stop3h 02m

Milwaukee-Mitchell

Tue 5/6

5:47 pm-9:48 pm

1 stop4h 01m

$237

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Wed 5/7

8:55 pm-10:05 pm

Nonstop1h 10m

Milwaukee-Mitchell

Mon 5/12

6:55 pm-8:15 pm

Nonstop1h 20m

$241

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Wed 5/7

6:00 am-9:22 am

1 stop3h 22m

Milwaukee-Mitchell

Mon 5/12

6:23 pm-11:51 pm

1 stop5h 28m

$250

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Sat 5/3

6:00 am-11:23 am

1 stop5h 23m

Milwaukee-Mitchell

Tue 5/6

7:31 pm-11:49 pm

1 stop4h 18m

$263

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Sat 4/5

5:45 am-11:38 pm

1 stop17h 53m

Milwaukee-Mitchell

Mon 4/7

4:14 pm-6:05 pm

1 stop25h 51m

$366

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Thu 5/1

6:10 pm-3:46 pm

2 stops21h 36m

Milwaukee-Mitchell

Sun 5/4

5:00 pm-6:41 pm

3 stops25h 41m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 25 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 $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 2, 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 2, 2025.

The most flights from USIL to MKE are scheduled on a Tuesday (46 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (21 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 2, 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
9,820 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,820 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,898 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 Frontier. According to our data, you can fly for as low as $89. Users have also found prices from $109 and $114 on Delta and Southwest, respectively.

  • 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 (90%), Qatar Airways (88%) and Aer Lingus (88%).

  • What are the cheapest flights from Illinois to Milwaukee?

    While on average a flight from Illinois to Milwaukee is generally $287, our data shows the cheapest flight currently is $119. When looking at the most popular route, (Chicago O'Hare Intl - Milwaukee-Mitchell), you can expect to pay $179 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

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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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$249FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$235Average$279FlexibilityNo cancel feeOn-time71%

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