$308 Cheap Flights from Champaign (CMI) to Milwaukee (MKE)

View $308 flight on Sun, Oct 19, 2025Opens in a new window

Popular airlines from Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard) to General Mitchell Intl. Airport (MKE)

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Cheap Flights from Champaign to Milwaukee (CMI-MKE)

Prices were available within the past 7 days and start at $308 for one-way flights and $406 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Nov 15 - Sun, Nov 16
CMI
Champaign
MKE
Milwaukee
$406 Roundtrip, found 6 days ago
$406
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Nov 15 from Champaign to Milwaukee, returning Sun, Nov 16, priced at $406 found 6 days ago
American Airlines
Wed, Oct 15 - Sat, Oct 18
CMI
Champaign
MKE
Milwaukee
$434 Roundtrip, found 6 days ago
$434
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct 15 from Champaign to Milwaukee, returning Sat, Oct 18, priced at $434 found 6 days ago
American Airlines
Sat, Oct 25 - Sun, Nov 2
CMI
Champaign
MKE
Milwaukee
$459 Roundtrip, found 2 days ago
$459
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Oct 25 from Champaign to Milwaukee, returning Sun, Nov 2, priced at $459 found 2 days ago
American Airlines
Sat, Oct 25 - Sat, Nov 1
CMI
Champaign
MKE
Milwaukee
$472 Roundtrip, found 2 days ago
$472
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Oct 25 from Champaign to Milwaukee, returning Sat, Nov 1, priced at $472 found 2 days ago
American Airlines
Sun, Oct 26 - Sun, Nov 2
CMI
Champaign
MKE
Milwaukee
$477 Roundtrip, found 2 days ago
$477
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Oct 26 from Champaign to Milwaukee, returning Sun, Nov 2, priced at $477 found 2 days ago
American Airlines
Thu, Oct 23 - Sun, Nov 2
CMI
Champaign
MKE
Milwaukee
$483 Roundtrip, found 2 days ago
$483
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 23 from Champaign to Milwaukee, returning Sun, Nov 2, priced at $483 found 2 days ago
American Airlines
Sun, Oct 26 - Sat, Nov 1
CMI
Champaign
MKE
Milwaukee
$490 Roundtrip, found 2 days ago
$490
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Oct 26 from Champaign to Milwaukee, returning Sat, Nov 1, priced at $490 found 2 days ago
American Airlines
Sun, Oct 26 - Thu, Oct 30
CMI
Champaign
MKE
Milwaukee
$508 Roundtrip, found 2 days ago
$508
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Oct 26 from Champaign to Milwaukee, returning Thu, Oct 30, priced at $508 found 2 days ago
American Airlines
Thu, Oct 23 - Thu, Oct 30
CMI
Champaign
MKE
Milwaukee
$514 Roundtrip, found 2 days ago
$514
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 23 from Champaign to Milwaukee, returning Thu, Oct 30, priced at $514 found 2 days ago
American Airlines
Sun, Nov 16 - Mon, Dec 1
CMI
Champaign
MKE
Milwaukee
$536 Roundtrip, found 6 days ago
$536
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Nov 16 from Champaign to Milwaukee, returning Mon, Dec 1, priced at $536 found 6 days ago

Frequently asked questions

How much does a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to General Mitchell Intl. Airport (MKE) cost?
Secure a cheap one-way flight from $308 or cheap return flight from $406 from University Of Illinois Urbana-Champaign Williard Airport (CMI) to General Mitchell Intl. Airport (MKE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from University Of Illinois Urbana-Champaign Williard Airport (CMI) to General Mitchell Intl. Airport (MKE)?
November is the most affordable month to fly from CMI to MKE. Traveling outside of peak seasons is often the key to finding better fares.
What is the cheapest airline that flies from University Of Illinois Urbana-Champaign Williard Airport (CMI) to General Mitchell Intl. Airport (MKE)?
To find the cheapest airline that'll fly you from CMI to MKE, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from University Of Illinois Urbana-Champaign Williard Airport (CMI) to General Mitchell Intl. Airport (MKE)?
Nonstop flights from University Of Illinois Urbana-Champaign Williard Airport (CMI) to General Mitchell Intl. Airport (MKE) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CMI to MKE?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from University Of Illinois Urbana-Champaign Williard Airport (CMI) to General Mitchell Intl. Airport (MKE)?
Opt for a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to General Mitchell Intl. Airport (MKE) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from University Of Illinois Urbana-Champaign Williard Airport (CMI) to General Mitchell Intl. Airport (MKE) last-minute?
Last-minute fares from CMI to MKE are typically more expensive. For the best rates, start searching for flights early. That said, if you're flexible with your travel plans, it's possible to find a cheap fare right before you leave.
Is it cheaper to book a CMI to MKE flight and hotel package?
Compared with arranging hotels and flights separately, booking a CMI to MKE flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to General Mitchell Intl. Airport (MKE)?
If you reserved your CMI to MKE flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
University Of Illinois Urbana-Champaign Williard
Destination airport
General Mitchell Intl.
Roundtrip price
$406
Distance
202 mi

Book with confidence

Champaign to Milwaukee Flights

The cheapest times to fly from Champaign to Milwaukee

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Champaign to Milwaukee are during the month of November. You can find some of the cheapest flights from Champaign to Milwaukee with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Champaign to Milwaukee

Sunday is one of the best days to book for cheap flights from Champaign to Milwaukee: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Champaign to Milwaukee

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Champaign to Milwaukee in 2025. You can also book with separate airlines for your outbound and return journeys, from $308 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Champaign to Milwaukee flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Champaign to Milwaukee airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Champaign to Milwaukee Flights

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*Available to One Key members.