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Cheap flights from Illinois to Milwaukee from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Milwaukee departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Milwaukee

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:43 pm - 10:43 pmSTL-MKE
4h 00m1 stop
United Airlines Logo
12:05 pm - 3:46 pmMKE-STL
3h 41m1 stop
$159United Airlines
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Tue, Oct 28 - Thu, Oct 30
United Airlines Logo
9:45 pm - 10:43 pmORD-MKE
0h 58mnonstop
United Airlines Logo
6:05 am - 7:16 amMKE-ORD
1h 11mnonstop
$179United Airlines
Find Deal
Mon, Nov 3 - Mon, Nov 10
American Airlines Logo
12:53 pm - 1:48 pmORD-MKE
0h 55mnonstop
American Airlines Logo
3:36 pm - 4:48 pmMKE-ORD
1h 12mnonstop
$180American Airlines
Find Deal
Thu, Oct 30 - Sun, Nov 2
American Airlines Logo
9:13 am - 10:18 amORD-MKE
1h 05mnonstop
American Airlines Logo
8:26 am - 9:30 amMKE-ORD
1h 04mnonstop
$189American Airlines
Find Deal
Tue, Oct 21 - Sat, Oct 25
Southwest Logo
9:50 am - 3:25 pmMDW-MKE
5h 35m1 stop
Southwest Logo
9:05 am - 3:25 pmMKE-MDW
6h 20m1 stop
$248Southwest
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Thu, Dec 4 - Thu, Dec 11
Southwest Logo
8:15 pm - 9:30 pmSTL-MKE
1h 15mnonstop
Southwest Logo
6:00 am - 7:20 amMKE-STL
1h 20mnonstop
$265Southwest
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Mon, Nov 3 - Wed, Nov 5
Multiple Airlines Logo
5:25 am - 6:08 pmORD-MKE
12h 43m1 stop
Multiple Airlines Logo
6:25 pm - 10:45 amMKE-ORD
16h 20m1 stop
$270Multiple Airlines
Find Deal
Sun, Nov 2 - Sun, Nov 9
Delta Logo
6:40 am - 12:25 pmSTL-MKE
5h 45m1 stop
Delta Logo
6:00 am - 11:34 amMKE-STL
5h 34m1 stop
$285Delta
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Wed, Oct 29 - Sat, Nov 1
Delta Logo
6:40 am - 12:42 pmSTL-MKE
6h 02m1 stop
Delta Logo
1:12 pm - 5:10 pmMKE-STL
3h 58m1 stop
$293Delta
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Tue, Nov 25 - Wed, Dec 3
Multiple Airlines Logo
6:00 am - 7:19 pmORD-MKE
13h 19m1 stop
Multiple Airlines Logo
6:25 pm - 10:45 amMKE-ORD
16h 20m1 stop
$297Multiple Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9

Frontier flights from Illinois to Milwaukee

Our best Frontier deals on Illinois to Milwaukee flight tickets
Frontier
Oct 23
STL7:52 pmLambert-St Louis
23h 26m
1 stop
MKE7:18 pmMilwaukee-Mitchell
Oct 27
MKE8:04 pmMilwaukee-Mitchell
13h 03m
1 stop
STL9:07 amLambert-St Louis
$294
Find similar
Frontier
Nov 3
ORD6:00 amChicago O'Hare Intl
13h 19m
1 stop
MKE7:19 pmMilwaukee-Mitchell
Nov 10
MKE8:04 pmMilwaukee-Mitchell
19h 35m
1 stop
ORD3:39 pmChicago O'Hare Intl
$302
Find similar
Frontier
Nov 3
ORD6:00 amChicago O'Hare Intl
13h 19m
1 stop
MKE7:19 pmMilwaukee-Mitchell
Nov 10
MKE8:04 pmMilwaukee-Mitchell
28h 55m
2 stops
ORD12:59 amChicago O'Hare Intl
$337
Find similar

American Airlines flights from Illinois to Milwaukee

Our best American Airlines deals on Illinois to Milwaukee flight tickets
American Airlines
Oct 30
ORD12:53 pmChicago O'Hare Intl
0h 55m
MKE1:48 pmMilwaukee-Mitchell
Nov 2
MKE3:36 pmMilwaukee-Mitchell
1h 12m
ORD4:48 pmChicago O'Hare Intl
$180
Find similar
American Airlines
Oct 21
ORD9:13 amChicago O'Hare Intl
1h 05m
MKE10:18 amMilwaukee-Mitchell
Oct 25
MKE8:26 amMilwaukee-Mitchell
1h 04m
ORD9:30 amChicago O'Hare Intl
$189
Find similar
American Airlines
Nov 4
ORD2:33 pmChicago O'Hare Intl
1h 00m
MKE3:33 pmMilwaukee-Mitchell
Nov 11
MKE5:00 amMilwaukee-Mitchell
1h 10m
ORD6:10 amChicago O'Hare Intl
$224
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 7, 2025.
Use the filters below to find and compare flights from Illinois to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Tue 10/28

6:43 pm-10:43 pm

1 stop4h 00m

Milwaukee-Mitchell

Thu 10/30

12:05 pm-3:46 pm

1 stop3h 41m

$159

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Mon 11/3

9:45 pm-10:43 pm

Nonstop0h 58m

Milwaukee-Mitchell

Mon 11/10

6:05 am-7:16 am

Nonstop1h 11m

$179

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Thu 10/30

12:53 pm-1:48 pm

Nonstop0h 55m

Milwaukee-Mitchell

Sun 11/2

3:36 pm-4:48 pm

Nonstop1h 12m

$180

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Tue 10/21

9:13 am-10:18 am

Nonstop1h 05m

Milwaukee-Mitchell

Sat 10/25

8:26 am-9:30 am

Nonstop1h 04m

$189

ChicagoMilwaukee

MDW - MKE

MDWMKE

Chicago Midway

Thu 12/4

9:50 am-3:25 pm

1 stop5h 35m

Milwaukee-Mitchell

Thu 12/11

9:05 am-3:25 pm

1 stop6h 20m

$248

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Mon 11/3

8:15 pm-9:30 pm

Nonstop1h 15m

Milwaukee-Mitchell

Wed 11/5

6:00 am-7:20 am

Nonstop1h 20m

$265

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Sun 11/2

5:25 am-6:08 pm

1 stop12h 43m

Milwaukee-Mitchell

Sun 11/9

6:25 pm-10:45 am

1 stop16h 20m

$270

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Wed 10/29

6:40 am-12:25 pm

1 stop5h 45m

Milwaukee-Mitchell

Sat 11/1

6:00 am-11:34 am

1 stop5h 34m

$285

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Tue 11/25

6:40 am-12:42 pm

1 stop6h 02m

Milwaukee-Mitchell

Wed 12/3

1:12 pm-5:10 pm

1 stop3h 58m

$293

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Fri 11/7

6:00 am-7:19 pm

1 stop13h 19m

Milwaukee-Mitchell

Sun 11/9

6:25 pm-10:45 am

1 stop16h 20m

$297

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 Illinois 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, Friday is the cheapest day to fly to Milwaukee from Illinois. The lowest ticket price found for a Friday departure recently was $249. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Illinois 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 Illinois to Milwaukee when you can find flight prices for as low as $199. Flying to Milwaukee in the evening 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 Illinois to Milwaukee-Mitchell flight route?

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

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

There are 3 cabin classes available to choose from on Illinois 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 Illinois to Milwaukee flights?

You could potentially save up to 14% on your flight if you consider stops on a Illinois to Milwaukee flight.

Cheap Illinois to Milwaukee flight deals and tips

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

Best Price Found

$279

Fastest flight time

0h 52m

Direct flights

Every day

Airports in Milwaukee

1 airport
The best one-way flight to Milwaukee from Illinois in the past 72 hours is $279. The best round-trip flight deal from Illinois to Milwaukee found on momondo in the last 72 hours is $184.
The fastest flight from Illinois to Milwaukee takes 0h 52m
Direct flights go from Illinois to Milwaukee every day.
There is 1 airport near Milwaukee: Milwaukee-Mitchell (MKE)
Search flight deals

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

    Prices for flights from Illinois to Milwaukee-Mitchell Airport are updated daily.

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

  • How old do you have to be to fly from Illinois 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 Illinois 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 Illinois to Milwaukee?

Best airlines flying from Illinois to Milwaukee

Compare and see reviews for airlines that fly from Illinois to Milwaukee with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $179Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights

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 Illinois to Milwaukee?

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

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

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

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

Once all potential Illinois to Milwaukee flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Illinois 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.

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