What is the cheapest airline that flies from Chicago to Milwaukee-Mitchell?

Frontier, Southwest, and American Airlines are the most popular carriers operating from Chicago to Milwaukee-Mitchell

How many flights depart from Chicago to Milwaukee on average per day?

As of November 2025, there are 41 flights per day flying from Chicago to Milwaukee. The most common time of day flights depart is 5:00PM, with 53% of flights taking off in the afternoon.

How many flights depart from Chicago to Milwaukee on average per week?

As of November 2025, there are 292 flights per week flying from Chicago to Milwaukee. The most common day of the week flights depart is Tue, with 17% of flights taking off on this day.

Is flying the fastest way to get from Chicago to Milwaukee?

To save time, the fastest way to travel is by flight from Chicago to Milwaukee on American Airlines. Expect the length of time you’ll spend onboard American Airlines to be about 0h 54m compared to taking a train from Chicago to Milwaukee or a bus from Chicago to Milwaukee which have been found to be slower alternatives.

Is flying the cheapest way to get from Chicago to Milwaukee?

A train from Chicago to Milwaukee from $42 can save you up to 76% on the cost of your trip compared to booking a flight from Chicago to Milwaukee or a bus from Chicago to Milwaukee.

What is the carbon footprint of flying from Chicago to Milwaukee-Mitchell?

The carbon footprint of a Chicago to Milwaukee-Mitchell flight is around 85lb, which may vary slightly based on airline and stops. There is a CO2 sorter on our flight search results to help you select the lowest possible footprint. Choosing a train for this journey would reduce your carbon footprint from 85lb to 20lb - that is, by about 77%. Although it takes longer, opting for a bus over an airplane would reduce the carbon footprint of your trip to about 12lb.

When did momondo last update prices for flights from Chicago to Milwaukee-Mitchell Airport?

Prices for flights from Chicago to Milwaukee-Mitchell Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Chicago to Milwaukee-Mitchell Airport?

The number of operators available for flights from Chicago to Milwaukee-Mitchell Airport is 2 as of November 2025.

How old do you have to be to fly from Chicago to Milwaukee-Mitchell Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Milwaukee-Mitchell Airport.

What documentation or ID do you need to fly to Milwaukee-Mitchell Airport?

The required travel and health documents for your Milwaukee-Mitchell Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Milwaukee-Mitchell Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$73 Cheap Flights from Chicago to Milwaukee in 2025/26

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Find the cheapest flights from Chicago to Milwaukee

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:12 am - 12:13 pmORD-MKE

1h 01mnonstop

1:52 pm - 3:03 pmMKE-ORD

1h 11mnonstop

$179American Airlines

Find Deal

Tue, Dec 16 - Tue, Dec 23

7:19 am - 8:17 amORD-MKE

0h 58mnonstop

6:28 pm - 7:50 pmMKE-ORD

1h 22mnonstop

$180American Airlines

Find Deal

Thu, Dec 11 - Sun, Dec 14

4:20 pm - 5:16 pmORD-MKE

0h 56mnonstop

6:28 pm - 7:50 pmMKE-ORD

1h 22mnonstop

$194American Airlines

Find Deal

Thu, Dec 4 - Thu, Dec 11

11:51 am - 9:58 amORD-MKE

22h 07m2 stops

11:12 am - 8:05 pmMKE-ORD

8h 53m1 stop

$202Multiple Airlines

Find Deal

Thu, Jan 29 - Sat, Jan 31

7:00 am - 7:58 amORD-MKE

0h 58mnonstop

5:00 am - 6:14 amMKE-ORD

1h 14mnonstop

$209American Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

5:35 am - 12:00 pmMDW-MKE

6h 25m1 stop

5:50 am - 9:55 amMKE-MDW

4h 05m1 stop

$219Southwest

Find Deal

Thu, Dec 11 - Sun, Dec 14

12:26 pm - 5:33 pmORD-MKE

5h 07m1 stop

12:08 pm - 2:21 pmMKE-ORD

26h 13m1 stop

$231Multiple Airlines

Find Deal

Fri, Dec 26 - Mon, Jan 5

7:20 am - 7:20 pmORD-MKE

12h 00m1 stop

8:15 pm - 7:17 pmMKE-ORD

23h 02m1 stop

$232Multiple Airlines

Find Deal

Wed, Dec 31 - Wed, Jan 7

6:40 pm - 7:55 pmORD-MKE

1h 15mnonstop

7:08 am - 8:30 amMKE-ORD

1h 22mnonstop

$239United Airlines

Find Deal

Sat, Dec 27 - Mon, Jan 5

9:50 am - 3:25 pmMDW-MKE

5h 35m1 stop

4:05 pm - 8:15 pmMKE-MDW

4h 10m1 stop

$254Southwest

Find Deal

Wed, Dec 17 - Wed, Dec 24

American Airlines flights from Chicago to Milwaukee

Our best American Airlines deals on Chicago to Milwaukee flight tickets

American Airlines

Dec 16

ORD11:12 amChicago O'Hare Intl

1h 01m

MKE12:13 pmMilwaukee-Mitchell

Dec 23

MKE1:52 pmMilwaukee-Mitchell

1h 11m

ORD3:03 pmChicago O'Hare Intl

$179

Find similar

American Airlines

Dec 11

ORD7:19 amChicago O'Hare Intl

0h 58m

MKE8:17 amMilwaukee-Mitchell

Dec 14

MKE6:28 pmMilwaukee-Mitchell

1h 22m

ORD7:50 pmChicago O'Hare Intl

$180

Find similar

American Airlines

Dec 4

ORD4:20 pmChicago O'Hare Intl

0h 56m

MKE5:16 pmMilwaukee-Mitchell

Dec 11

MKE6:28 pmMilwaukee-Mitchell

1h 22m

ORD7:50 pmChicago O'Hare Intl

$194

Find similar

Southwest flights from Chicago to Milwaukee

Our best Southwest deals on Chicago to Milwaukee flight tickets

Southwest

Dec 11

MDW5:35 amChicago Midway

6h 25m

1 stop

MKE12:00 pmMilwaukee-Mitchell

Dec 14

MKE5:50 amMilwaukee-Mitchell

4h 05m

1 stop

MDW9:55 amChicago Midway

$219

Find similar

Southwest

Dec 17

MDW9:50 amChicago Midway

5h 35m

1 stop

MKE3:25 pmMilwaukee-Mitchell

Dec 24

MKE4:05 pmMilwaukee-Mitchell

4h 10m

1 stop

MDW8:15 pmChicago Midway

$254

Find similar

Southwest

Jan 5

MDW7:00 pmChicago Midway

4h 30m

1 stop

MKE11:30 pmMilwaukee-Mitchell

Jan 8

MKE5:30 amMilwaukee-Mitchell

4h 00m

1 stop

MDW9:30 amChicago Midway

$258

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Tue 12/16

11:12 am-12:13 pm

Nonstop1h 01m

Milwaukee-Mitchell

Tue 12/23

1:52 pm-3:03 pm

Nonstop1h 11m

$179

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Thu 12/11

7:19 am-8:17 am

Nonstop0h 58m

Milwaukee-Mitchell

Sun 12/14

6:28 pm-7:50 pm

Nonstop1h 22m

$180

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Thu 12/4

4:20 pm-5:16 pm

Nonstop0h 56m

Milwaukee-Mitchell

Thu 12/11

6:28 pm-7:50 pm

Nonstop1h 22m

$194

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Thu 1/29

11:51 am-9:58 am

2 stops22h 07m

Milwaukee-Mitchell

Sat 1/31

11:12 am-8:05 pm

1 stop8h 53m

$202

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Wed 12/3

7:00 am-7:58 am

Nonstop0h 58m

Milwaukee-Mitchell

Sun 12/7

5:00 am-6:14 am

Nonstop1h 14m

$209

ChicagoMilwaukee

MDW - MKE

MDWMKE

Chicago Midway

Thu 12/11

5:35 am-12:00 pm

1 stop6h 25m

Milwaukee-Mitchell

Sun 12/14

5:50 am-9:55 am

1 stop4h 05m

$219

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Fri 12/26

12:26 pm-5:33 pm

1 stop5h 07m

Milwaukee-Mitchell

Mon 1/5

12:08 pm-2:21 pm

1 stop26h 13m

$231

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Wed 12/31

7:20 am-7:20 pm

1 stop12h 00m

Milwaukee-Mitchell

Wed 1/7

8:15 pm-7:17 pm

1 stop23h 02m

$232

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Sat 12/27

6:40 pm-7:55 pm

Nonstop1h 15m

Milwaukee-Mitchell

Mon 1/5

7:08 am-8:30 am

Nonstop1h 22m

$239

ChicagoMilwaukee

MDW - MKE

MDWMKE

Chicago Midway

Wed 12/17

9:50 am-3:25 pm

1 stop5h 35m

Milwaukee-Mitchell

Wed 12/24

4:05 pm-8:15 pm

1 stop4h 10m

$254

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago to Milwaukee

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to Milwaukee?

According to our data, Friday is the cheapest day to fly to Milwaukee from Chicago. The lowest ticket price found for a Friday departure recently was $218. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Chicago to Milwaukee on a Thursday will generally be more expensive and average around $371. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Milwaukee?

In the evening is the cheapest time of day to fly from Chicago to Milwaukee when you can find flight prices for as low as $194. Flying to Milwaukee in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Milwaukee, so prices are often more expensive at around $359 per ticket.

What is the cheapest Chicago to Milwaukee-Mitchell flight route?

Fly from Chicago Midway to Milwaukee-Mitchell for the best Chicago - Milwaukee-Mitchell flight prices

What cabin class options are available on Chicago to Milwaukee-Mitchell flights?

There are 3 cabin classes available to choose from on Chicago to Milwaukee-Mitchell flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Milwaukee flights?

You could potentially save up to 55% on your flight if you consider stops on a Chicago to Milwaukee flight.

When to book flights from Chicago to Milwaukee

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Milwaukee according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Milwaukee (CHI to MKE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Milwaukee

Best Price Found	$179
Fastest flight time	0h 45m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sun
Airports in Milwaukee	1 airport

The best flight deal from Chicago to Milwaukee found on momondo in the last 72 hours is $179

The fastest flight from Chicago to Milwaukee takes 0h 45m

Direct flights go from Chicago to Milwaukee on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. There are no airlines offering direct flights.

There is 1 airport near Milwaukee: Milwaukee-Mitchell (MKE)

Search flight deals

Is flying the fastest way to get from Chicago to Milwaukee?
To save time, the fastest way to travel is by flight from Chicago to Milwaukee on American Airlines. Expect the length of time you’ll spend onboard American Airlines to be about 0h 54m compared to taking a train from Chicago to Milwaukee or a bus from Chicago to Milwaukee which have been found to be slower alternatives.
Is flying the cheapest way to get from Chicago to Milwaukee?
A train from Chicago to Milwaukee from $42 can save you up to 76% on the cost of your trip compared to booking a flight from Chicago to Milwaukee or a bus from Chicago to Milwaukee.
How far is Chicago to Milwaukee-Mitchell by plane?
A flight from Chicago to Milwaukee-Mitchell will travel around 81.6 mi. In terms of flight time, this usually takes a little over 0h 54m.
What is the carbon footprint of flying from Chicago to Milwaukee-Mitchell?
The carbon footprint of a Chicago to Milwaukee-Mitchell flight is around 85lb, which may vary slightly based on airline and stops. There is a CO2 sorter on our flight search results to help you select the lowest possible footprint. Choosing a train for this journey would reduce your carbon footprint from 85lb to 20lb - that is, by about 77%. Although it takes longer, opting for a bus over an airplane would reduce the carbon footprint of your trip to about 12lb.
When did momondo last update prices for flights from Chicago to Milwaukee-Mitchell Airport?
Prices for flights from Chicago to Milwaukee-Mitchell Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Chicago to Milwaukee-Mitchell Airport?
The number of operators available for flights from Chicago to Milwaukee-Mitchell Airport is 2 as of November 2025.
How old do you have to be to fly from Chicago to Milwaukee-Mitchell Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Milwaukee-Mitchell Airport.
What documentation or ID do you need to fly to Milwaukee-Mitchell Airport?
The required travel and health documents for your Milwaukee-Mitchell Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Milwaukee-Mitchell Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Chicago to Milwaukee?
Based on momondo bookings for flights between Chicago and Milwaukee, the leading plane model is Canadair (Bombardier) Regional Jet, making up 21.79% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet 700 with 20.51%, Embraer 175 (Enhanced Winglets) with 17.95%, and Canadair (Bombardier) Regional Jet CRJ-550 with 17.95%.
What is the most popular airline from Chicago to Milwaukee?
Based on momondo bookings for flights between Chicago and Milwaukee, the leading airline is American Airlines, making up 100% of the total bookings.

Best airlines flying from Chicago to Milwaukee

Compare and see reviews for airlines that fly from Chicago to Milwaukee with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $179	Free Cancellation	Rating 7.2 11,047 reviews		Search American Airlines flights
United Airlines	PriceFrom $179	Free Cancellation	Rating 7.4 9,020 reviews		Search United Airlines flights

United Airlines Flights From Chicago to Milwaukee
The lowest priced United Airlines flight from Chicago to Milwaukee from the last 72 hours was $179. Generally, United Airlines has 63 flights on this route every week with an average price of $239. United Airlines is rated 7.4/10 by our users.
American Airlines Flights From Chicago to Milwaukee
The best American Airlines deal for Chicago to Milwaukee flight tickets found on momondo in the last 72 hours was $179, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $235 round-trip. American Airlines operates 16 flights out of Chicago into Milwaukee in an average week, so prices vary by time and availability. 11,046 American Airlines reviews by users on momondo have scored the airline at 7.2/10.

Sheboygan

Waukesha

Wauwatosa

Oak Creek

Mequon

Glendale

Kohler

Pewaukee

West Bend

Port Washington

New Berlin

Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Milwaukee?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Milwaukee. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Milwaukee with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Milwaukee from Chicago with this policy.

How can momondo help me find flights from Chicago to Milwaukee?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Milwaukee.

I’m not ready to book a flight from Chicago to Milwaukee right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Chicago to Milwaukee now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Milwaukee and let you know when they change.

Choose the best way to get from Chicago to Milwaukee

Buses

1h 25m

$22 one-way$42 round-trip

Nonstop · from $42

Distance to downtown

ZML • 0.6 mi

13lb CO2

85% less than flights

Find Buses

Chicago to Milwaukee Buses

Trains

1h 13m

$21 one-way$42 round-trip

Nonstop · from $42

Distance to downtown

KA7 • 6.8 mi

20lb CO2

77% less than flights

Find Trains

Chicago to Milwaukee Trains

Flights

0h 54m

$73 one-way$179 round-trip

Nonstop · from $1791 stop · from $99

Distance to downtown

MKE • 6.4 mi

85lb CO2

Find Flights

Chicago to Milwaukee Flights

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Cheap flights from Chicago to Milwaukee from $73

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Milwaukee departing on 1/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Chicago to Milwaukee

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American Airlines flights from Chicago to Milwaukee

Our best American Airlines deals on Chicago to Milwaukee flight tickets

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Our best Southwest deals on Chicago to Milwaukee flight tickets

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How to get the cheapest flight ticket from Chicago to Milwaukee

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Milwaukee?

What is the cheapest time of day to depart on your flight to Milwaukee?

What is the cheapest Chicago to Milwaukee-Mitchell flight route?

Fly from Chicago Midway to Milwaukee-Mitchell for the best Chicago - Milwaukee-Mitchell flight prices

What cabin class options are available on Chicago to Milwaukee-Mitchell flights?

There are 3 cabin classes available to choose from on Chicago to Milwaukee-Mitchell flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Milwaukee flights?

You could potentially save up to 55% on your flight if you consider stops on a Chicago to Milwaukee flight.

What is the cheapest airline that flies from Chicago to Milwaukee-Mitchell?

Frontier, Southwest, and American Airlines are the most popular carriers operating from Chicago to Milwaukee-Mitchell

How many flights depart from Chicago to Milwaukee on average per day?

As of November 2025, there are 41 flights per day flying from Chicago to Milwaukee. The most common time of day flights depart is 5:00PM, with 53% of flights taking off in the afternoon.

How many flights depart from Chicago to Milwaukee on average per week?

As of November 2025, there are 292 flights per week flying from Chicago to Milwaukee. The most common day of the week flights depart is Tue, with 17% of flights taking off on this day.

When to book flights from Chicago to Milwaukee

Cheap Chicago to Milwaukee (CHI to MKE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Milwaukee

Best Price Found

Fastest flight time

Direct flights

Airports in Milwaukee

Is flying the fastest way to get from Chicago to Milwaukee?

Is flying the cheapest way to get from Chicago to Milwaukee?

How far is Chicago to Milwaukee-Mitchell by plane?

What is the carbon footprint of flying from Chicago to Milwaukee-Mitchell?

When did momondo last update prices for flights from Chicago to Milwaukee-Mitchell Airport?

How many operators does momondo search for flights from Chicago to Milwaukee-Mitchell Airport?

How old do you have to be to fly from Chicago to Milwaukee-Mitchell Airport?

What documentation or ID do you need to fly to Milwaukee-Mitchell Airport?

What is the most popular plane model from Chicago to Milwaukee?

What is the most popular airline from Chicago to Milwaukee?

Best airlines flying from Chicago to Milwaukee

Compare and see reviews for airlines that fly from Chicago to Milwaukee with momondo

United Airlines Flights From Chicago to Milwaukee

American Airlines Flights From Chicago to Milwaukee

Traveling to a place near Milwaukee?

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Milwaukee?

Can I find flights from Chicago to Milwaukee with flexible booking policies on momondo?

How can momondo help me find flights from Chicago to Milwaukee?

I’m not ready to book a flight from Chicago to Milwaukee right now. Can momondo alert me if prices change?

Choose the best way to get from Chicago to Milwaukee

An easier way to manage your Milwaukee trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Wisconsin