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Cheap flights from Chicago O'Hare Intl Airport to Milwaukee from $100

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 O'Hare Intl Airport to Milwaukee departing on 11/17. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Milwaukee

Cheap round-trip flights

United Airlines Logo
9:25 pm - 10:31 pmORD-MKE
1h 06mnonstop
United Airlines Logo
5:45 pm - 6:55 pmMKE-ORD
1h 10mnonstop
$179United Airlines
Find Deal
Mon, Oct 13 - Wed, Oct 22
American Airlines Logo
12:53 pm - 1:48 pmORD-MKE
0h 55mnonstop
American Airlines Logo
8:16 pm - 9:30 pmMKE-ORD
1h 14mnonstop
$180American Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Frontier Logo
6:50 am - 7:18 pmORD-MKE
12h 28m1 stop
Frontier Logo
8:04 pm - 11:53 pmMKE-ORD
27h 49m1 stop
$282Frontier
Find Deal
Mon, Oct 13 - Mon, Oct 20
Multiple Airlines Logo
11:13 am - 11:58 amORD-MKE
24h 45m2 stops
Multiple Airlines Logo
5:45 pm - 10:39 amMKE-ORD
16h 54m1 stop
$311Multiple Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
Multiple Airlines Logo
5:17 pm - 11:58 amORD-MKE
18h 41m1 stop
Multiple Airlines Logo
5:45 pm - 10:39 amMKE-ORD
16h 54m1 stop
$336Multiple Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
Spirit Airlines Logo
6:35 am - 6:43 pmORD-MKE
12h 08m1 stop
Spirit Airlines Logo
11:32 am - 6:25 amMKE-ORD
18h 53m1 stop
$380Spirit Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
Spirit Airlines Logo
6:35 am - 6:43 pmORD-MKE
12h 08m1 stop
Spirit Airlines Logo
11:32 am - 9:44 amMKE-ORD
22h 12m2 stops
$443Spirit Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
Frontier Logo
10:42 am - 6:41 pmORD-MKE
7h 59m1 stop
Frontier Logo
8:04 pm - 9:28 pmMKE-ORD
25h 24m1 stop
$687Frontier
Find Deal
Fri, Sep 26 - Mon, Sep 29
Alaska Airlines Logo
8:00 am - 12:02 amORD-MKE
16h 02m1 stop
Alaska Airlines Logo
6:27 am - 10:07 pmMKE-ORD
15h 40m1 stop
$845Alaska Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30
Alaska Airlines Logo
8:00 am - 12:02 amORD-MKE
16h 02m1 stop
Alaska Airlines Logo
3:20 pm - 7:03 amMKE-ORD
15h 43m1 stop
$878Alaska Airlines
Find Deal
Fri, Sep 26 - Mon, Sep 29

American Airlines flights from Chicago O'Hare Intl Airport to Milwaukee

Our best American Airlines deals on Chicago O'Hare Intl Airport to Milwaukee flight tickets
American Airlines
Oct 14
ORD12:53 pmChicago O'Hare Intl
0h 55m
MKE1:48 pmMilwaukee-Mitchell
Oct 21
MKE8:16 pmMilwaukee-Mitchell
1h 14m
ORD9:30 pmChicago O'Hare Intl
$180
Find similar
American Airlines
Oct 3
ORD5:53 pmChicago O'Hare Intl
0h 53m
MKE6:46 pmMilwaukee-Mitchell
Oct 10
MKE8:16 pmMilwaukee-Mitchell
1h 14m
ORD9:30 pmChicago O'Hare Intl
$184
Find similar
American Airlines
Oct 1
ORD6:56 pmChicago O'Hare Intl
1h 04m
MKE8:00 pmMilwaukee-Mitchell
Oct 5
MKE4:33 pmMilwaukee-Mitchell
1h 12m
ORD5:45 pmChicago O'Hare Intl
$189
Find similar

United Airlines flights from Chicago O'Hare Intl Airport to Milwaukee

Our best United Airlines deals on Chicago O'Hare Intl Airport to Milwaukee flight tickets
United Airlines
Oct 13
ORD9:25 pmChicago O'Hare Intl
1h 06m
MKE10:31 pmMilwaukee-Mitchell
Oct 22
MKE5:45 pmMilwaukee-Mitchell
1h 10m
ORD6:55 pmChicago O'Hare Intl
$179
Find similar
United Airlines
Sep 19
ORD5:50 pmChicago O'Hare Intl
1h 06m
MKE6:56 pmMilwaukee-Mitchell
Sep 21
MKE6:00 amMilwaukee-Mitchell
1h 10m
ORD7:10 amChicago O'Hare Intl
$309
Find similar
United Airlines
Oct 13
ORD7:35 pmChicago O'Hare Intl
1h 11m
MKE8:46 pmMilwaukee-Mitchell
Oct 22
MKE10:55 amMilwaukee-Mitchell
13h 04m
1 stop
ORD11:59 pmChicago O'Hare Intl
$328
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Mon 10/13

9:25 pm-10:31 pm

Nonstop1h 06m

Milwaukee-Mitchell

Wed 10/22

5:45 pm-6:55 pm

Nonstop1h 10m

$179

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Tue 10/14

12:53 pm-1:48 pm

Nonstop0h 55m

Milwaukee-Mitchell

Tue 10/21

8:16 pm-9:30 pm

Nonstop1h 14m

$180

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Mon 10/13

6:50 am-7:18 pm

1 stop12h 28m

Milwaukee-Mitchell

Mon 10/20

8:04 pm-11:53 pm

1 stop27h 49m

$282

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Wed 10/1

11:13 am-11:58 am

2 stops24h 45m

Milwaukee-Mitchell

Sun 10/5

5:45 pm-10:39 am

1 stop16h 54m

$311

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Wed 10/1

5:17 pm-11:58 am

1 stop18h 41m

Milwaukee-Mitchell

Sun 10/5

5:45 pm-10:39 am

1 stop16h 54m

$336

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Fri 10/31

6:35 am-6:43 pm

1 stop12h 08m

Milwaukee-Mitchell

Fri 11/7

11:32 am-6:25 am

1 stop18h 53m

$380

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Fri 10/31

6:35 am-6:43 pm

1 stop12h 08m

Milwaukee-Mitchell

Fri 11/7

11:32 am-9:44 am

2 stops22h 12m

$443

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Fri 9/26

10:42 am-6:41 pm

1 stop7h 59m

Milwaukee-Mitchell

Mon 9/29

8:04 pm-9:28 pm

1 stop25h 24m

$687

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Tue 9/23

8:00 am-12:02 am

1 stop16h 02m

Milwaukee-Mitchell

Tue 9/30

6:27 am-10:07 pm

1 stop15h 40m

$845

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Fri 9/26

8:00 am-12:02 am

1 stop16h 02m

Milwaukee-Mitchell

Mon 9/29

3:20 pm-7:03 am

1 stop15h 43m

$878

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Milwaukee from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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?

According to our data, Wednesday is the cheapest day to fly to Milwaukee from Chicago O'Hare Intl Airport. 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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. In the afternoon is when there is more demand to fly to Milwaukee, so prices are often more expensive at around $304 per ticket.

What is the cheapest Chicago O'Hare Intl to Milwaukee-Mitchell flight route?

Fly from Chicago O'Hare Intl to Milwaukee-Mitchell for the best Chicago O'Hare Intl - Milwaukee-Mitchell flight prices

What cabin class options are available on Chicago O'Hare Intl to Milwaukee-Mitchell flights?

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

How have Chicago O'Hare Intl Airport to Milwaukee flight prices changed over time?

As of September 2025, prices for Chicago O'Hare Intl Airport to Milwaukee flights are approximately 216% more expensive when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Milwaukee

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Milwaukee according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Milwaukee (ORD to MKE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Milwaukee

Best Price Found

$279

Fastest flight time

0h 47m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Milwaukee

1 airport
The best one-way flight to Milwaukee from Chicago O'Hare Intl Airport in the past 72 hours is $279. The best round-trip flight deal from Chicago O'Hare Intl Airport to Milwaukee found on momondo in the last 72 hours is $184.
The fastest flight from Chicago O'Hare Intl Airport to Milwaukee takes 0h 47m
Direct flights go from Chicago O'Hare Intl Airport to Milwaukee on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Milwaukee: Milwaukee-Mitchell (MKE)
Search flight deals

  • How far is Chicago O'Hare Intl to Milwaukee-Mitchell by plane?

    Milwaukee-Mitchell is 73.1 mi away from Chicago O'Hare Intl. By plane, this route typically takes 0h 50m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Milwaukee-Mitchell Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Milwaukee-Mitchell Airport are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Milwaukee-Mitchell Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Milwaukee-Mitchell Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Milwaukee-Mitchell Airport.

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

    The travel and health documents required for your trip to Milwaukee-Mitchell Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Milwaukee-Mitchell Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Milwaukee?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Milwaukee?

Best airlines flying from Chicago O'Hare Intl Airport to Milwaukee

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Milwaukee with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $179Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • American Airlines Flights From Chicago O'Hare Intl Airport to Milwaukee

    American Airlines flight deals from Chicago O'Hare Intl Airport to Milwaukee start from $179 round-trip. Over the 33 American Airlines flights for this route in a normal week, average airfare is usually $249 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
Waukesha
Wauwatosa
Oak Creek
Mequon
Glendale
Kohler
Pewaukee
West Bend
Port Washington
Grafton
New Berlin

Why use momondo?

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

Finding the right flight to Milwaukee from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Milwaukee quick and easy, saving you time and money.

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

Yes. All flights to Milwaukee from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Yes momondo offers price alerts on flights to Milwaukee from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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