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

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

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

As of July 2025, there are 326 flights per week flying from Chicago to Milwaukee. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

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

As of July 2025, there are 46 flights per day flying from Chicago to Milwaukee. The most common time of day flights depart is 7:00PM, with 49% of flights taking off in the evening.

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 51m 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 88lb, 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 88lb to 20lb - that is, by about 78%. 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 July 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.

$97 Cheap Flights from Chicago to Milwaukee in 2025

Q: What is the typical price of a round-trip flight between Chicago and Milwaukee?

Prices are currently low for flights on this route. Typical prices usually range from $237 to $360. The lowest price recently found on this route was $179.

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Find the cheapest flights from Chicago to Milwaukee

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

12:16 pm - 1:07 pmORD-MKE

0h 51mnonstop

1:37 pm - 2:42 pmMKE-ORD

1h 05mnonstop

$179American Airlines

Find Deal

Fri, Aug 1 - Mon, Aug 4

5:20 pm - 6:11 pmORD-MKE

0h 51mnonstop

6:21 am - 7:25 amMKE-ORD

1h 04mnonstop

$180American Airlines

Find Deal

Sat, Aug 23 - Sat, Aug 30

6:15 pm - 7:18 pmORD-MKE

1h 03mnonstop

1:06 pm - 2:10 pmMKE-ORD

1h 04mnonstop

$181American Airlines

Find Deal

Tue, Aug 19 - Tue, Aug 26

9:40 pm - 10:45 pmORD-MKE

1h 05mnonstop

5:15 am - 6:20 amMKE-ORD

1h 05mnonstop

$191United Airlines

Find Deal

Thu, Aug 7 - Thu, Aug 14

6:56 am - 11:06 pmORD-MKE

16h 10m1 stop

6:00 am - 4:10 pmMKE-ORD

10h 10m1 stop

$212Spirit Airlines

Find Deal

Thu, Aug 21 - Mon, Aug 25

6:56 am - 11:06 pmORD-MKE

16h 10m1 stop

6:00 am - 10:22 pmMKE-ORD

16h 22m1 stop

$213Spirit Airlines

Find Deal

Tue, Aug 19 - Tue, Aug 26

6:56 am - 11:06 pmORD-MKE

16h 10m1 stop

6:00 am - 4:10 pmMKE-ORD

10h 10m1 stop

$214Spirit Airlines

Find Deal

Tue, Aug 19 - Tue, Aug 26

6:55 pm - 8:00 pmORD-MKE

1h 05mnonstop

7:49 pm - 8:53 pmMKE-ORD

1h 04mnonstop

$224American Airlines

Find Deal

Thu, Aug 21 - Mon, Aug 25

2:09 pm - 3:10 pmORD-MKE

1h 01mnonstop

7:00 am - 8:05 amMKE-ORD

1h 05mnonstop

$239United Airlines

Find Deal

Fri, Jul 25 - Sun, Jul 27

5:40 am - 7:13 pmORD-MKE

13h 33m1 stop

9:25 pm - 11:43 amMKE-ORD

14h 18m1 stop

$285

Find Deal

Mon, Aug 11 - Thu, Aug 14

Spirit Airlines flights from Chicago to Milwaukee

Our best Spirit Airlines deals on Chicago to Milwaukee flight tickets

Spirit Airlines

Aug 21

ORD6:56 amChicago O'Hare Intl

16h 10m

1 stop

MKE11:06 pmMilwaukee-Mitchell

Aug 25

MKE6:00 amMilwaukee-Mitchell

10h 10m

1 stop

ORD4:10 pmChicago O'Hare Intl

$212

Find similar

Spirit Airlines

Aug 19

ORD6:56 amChicago O'Hare Intl

16h 10m

1 stop

MKE11:06 pmMilwaukee-Mitchell

Aug 26

MKE6:00 amMilwaukee-Mitchell

16h 22m

1 stop

ORD10:22 pmChicago O'Hare Intl

$213

Find similar

Spirit Airlines

Aug 19

ORD6:56 amChicago O'Hare Intl

16h 10m

1 stop

MKE11:06 pmMilwaukee-Mitchell

Aug 26

MKE6:00 amMilwaukee-Mitchell

10h 10m

1 stop

ORD4:10 pmChicago O'Hare Intl

$214

Find similar

American Airlines flights from Chicago to Milwaukee

Our best American Airlines deals on Chicago to Milwaukee flight tickets

American Airlines

Aug 1

ORD12:16 pmChicago O'Hare Intl

0h 51m

MKE1:07 pmMilwaukee-Mitchell

Aug 4

MKE1:37 pmMilwaukee-Mitchell

1h 05m

ORD2:42 pmChicago O'Hare Intl

$179

Find similar

American Airlines

Aug 23

ORD5:20 pmChicago O'Hare Intl

0h 51m

MKE6:11 pmMilwaukee-Mitchell

Aug 30

MKE6:21 amMilwaukee-Mitchell

1h 04m

ORD7:25 amChicago O'Hare Intl

$180

Find similar

American Airlines

Aug 19

ORD6:15 pmChicago O'Hare Intl

1h 03m

MKE7:18 pmMilwaukee-Mitchell

Aug 26

MKE1:06 pmMilwaukee-Mitchell

1h 04m

ORD2:10 pmChicago O'Hare Intl

$181

Find similar

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 typical price of a round-trip flight between Chicago and Milwaukee?

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

According to our data, Wednesday is the cheapest day to fly to Milwaukee from Chicago. The lowest ticket price found for a Wednesday departure recently was $235. 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 morning is the cheapest time of day to fly from Chicago to Milwaukee when you can find flight prices for as low as $239. Flying to Milwaukee in the morning 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 $289 per ticket.

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

Fly from Chicago O'Hare Intl 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.

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	$97
Fastest flight time	0h 51m
Direct flights	Every day
Airports in Milwaukee	1 airport

The best one-way flight to Milwaukee from Chicago in the past 72 hours is $97. The best round-trip 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 51m

Direct flights go from Chicago to Milwaukee every day.

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 51m 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 51m.
What is the carbon footprint of flying from Chicago to Milwaukee-Mitchell?
The carbon footprint of a Chicago to Milwaukee-Mitchell flight is around 88lb, 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 88lb to 20lb - that is, by about 78%. 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 July 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 25.58% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet 700 with 25.58%, Embraer 175 (Enhanced Winglets) with 18.60%, and Canadair (Bombardier) Regional Jet CRJ-550 with 16.28%.
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
United Airlines	PriceFrom $179	Free Cancellation	Rating 7.4 8,846 reviews		Search United Airlines flights
American Airlines	PriceFrom $179	Free Cancellation	Rating 7.2 10,000 reviews		Search American 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 42 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 $273 round-trip. American Airlines operates 40 flights out of Chicago into Milwaukee in an average week, so prices vary by time and availability. 10,000 American Airlines reviews by users on momondo have scored the airline at 7.2/10.

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Kohler

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Glendale

West Bend

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Port Washington

Grafton

New Berlin

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

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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.