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Cheap flights from Milwaukee to Illinois from $61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to Illinois departing on 1/29. 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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Cheap round-trip flights

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American Airlines Logo
3:45 pm - 11:06 pmMKE-STL
7h 21m1 stop
American Airlines Logo
10:13 am - 3:04 pmSTL-MKE
4h 51m1 stop
$159American Airlines
Find Deal
mié., dic. 3 - mié., dic. 10
Delta Logo
5:11 pm - 8:45 pmMKE-STL
3h 34m1 stop
Delta Logo
6:35 am - 12:31 pmSTL-MKE
5h 56m1 stop
$167Delta
Find Deal
mar., feb. 3 - jue., feb. 5
United Airlines Logo
5:35 pm - 6:46 pmMKE-ORD
1h 11mnonstop
United Airlines Logo
8:39 pm - 9:47 pmORD-MKE
1h 08mnonstop
$179United Airlines
Find Deal
mar., dic. 2 - mar., dic. 9
Southwest Logo
6:00 am - 11:25 amMKE-MDW
5h 25m1 stop
Southwest Logo
5:35 am - 12:00 pmMDW-MKE
6h 25m1 stop
$209Southwest
Find Deal
jue., dic. 4 - jue., dic. 11
Multiple Airlines Logo
10:34 am - 10:39 pmMKE-MDW
12h 05m1 stop
Multiple Airlines Logo
6:37 pm - 9:39 amMDW-MKE
15h 02m1 stop
$210Multiple Airlines
Find Deal
vie., dic. 12 - dom., dic. 14
Frontier Logo
7:40 pm - 7:50 amMKE-STL
12h 10m1 stop
Frontier Logo
5:11 pm - 9:53 amSTL-MKE
16h 42m2 stops
$211Frontier
Find Deal
jue., ene. 22 - dom., ene. 25
Multiple Airlines Logo
10:34 am - 1:16 pmMKE-ORD
26h 42m1 stop
Multiple Airlines Logo
7:20 am - 9:39 amORD-MKE
26h 19m1 stop
$217Multiple Airlines
Find Deal
jue., dic. 4 - jue., dic. 11
Southwest Logo
4:05 pm - 10:35 pmMKE-MDW
6h 30m1 stop
Southwest Logo
6:20 am - 11:40 amMDW-MKE
5h 20m1 stop
$218Southwest
Find Deal
mié., dic. 3 - jue., dic. 4
United Airlines Logo
9:44 am - 10:50 amMKE-ORD
1h 06mnonstop
United Airlines Logo
11:30 am - 12:35 pmORD-MKE
1h 05mnonstop
$239United Airlines
Find Deal
mié., mar. 18 - jue., mar. 26
Frontier Logo
8:04 pm - 9:07 amMKE-STL
13h 03m1 stop
Frontier Logo
4:13 pm - 7:09 pmSTL-MKE
26h 56m2 stops
$388Frontier
Find Deal
lun., nov. 17 - lun., nov. 24

Spirit Airlines flights from Milwaukee to Illinois

Our best Spirit Airlines deals on Milwaukee to Illinois flight tickets
Spirit Airlines
Dec 4
MKE10:34 amMilwaukee-Mitchell
11h 14m
1 stop
ORD9:48 pmChicago O'Hare Intl
Dec 11
ORD7:20 amChicago O'Hare Intl
26h 19m
1 stop
MKE9:39 amMilwaukee-Mitchell
$231
Find similar
Spirit Airlines
Dec 4
MKE10:34 amMilwaukee-Mitchell
11h 14m
1 stop
ORD9:48 pmChicago O'Hare Intl
Dec 11
ORD1:52 pmChicago O'Hare Intl
19h 47m
2 stops
MKE9:39 amMilwaukee-Mitchell
$240
Find similar
Spirit Airlines
Dec 4
MKE10:34 amMilwaukee-Mitchell
13h 35m
2 stops
ORD12:09 amChicago O'Hare Intl
Dec 11
ORD1:52 pmChicago O'Hare Intl
19h 47m
2 stops
MKE9:39 amMilwaukee-Mitchell
$268
Find similar

Frontier flights from Milwaukee to Illinois

Our best Frontier deals on Milwaukee to Illinois flight tickets
Frontier
Jan 22
MKE7:40 pmMilwaukee-Mitchell
12h 10m
1 stop
STL7:50 amLambert-St Louis
Jan 25
STL5:11 pmLambert-St Louis
16h 42m
2 stops
MKE9:53 amMilwaukee-Mitchell
$211
Find similar
Frontier
Nov 17
MKE8:04 pmMilwaukee-Mitchell
13h 03m
1 stop
STL9:07 amLambert-St Louis
Nov 24
STL4:13 pmLambert-St Louis
26h 56m
2 stops
MKE7:09 pmMilwaukee-Mitchell
$388
Find similar
Frontier
Dec 20
MKE7:48 pmMilwaukee-Mitchell
13h 14m
1 stop
ORD9:02 amChicago O'Hare Intl
Dec 23
ORD10:12 amChicago O'Hare Intl
8h 14m
1 stop
MKE6:26 pmMilwaukee-Mitchell
$440
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Milwaukee to Illinois 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 noviembre 5, 2025.
Use the filters below to find and compare flights from Milwaukee to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeeSt. Louis

MKE - STL

MKESTL

Milwaukee-Mitchell

mié. 12/3

3:45 pm-11:06 pm

1 stop7h 21m

Lambert-St Louis

mié. 12/10

10:13 am-3:04 pm

1 stop4h 51m

$159

MilwaukeeSt. Louis

MKE - STL

MKESTL

Milwaukee-Mitchell

mar. 2/3

5:11 pm-8:45 pm

1 stop3h 34m

Lambert-St Louis

jue. 2/5

6:35 am-12:31 pm

1 stop5h 56m

$167

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

mar. 12/2

5:35 pm-6:46 pm

Nonstop1h 11m

Chicago O'Hare Intl

mar. 12/9

8:39 pm-9:47 pm

Nonstop1h 08m

$179

MilwaukeeChicago

MKE - MDW

MKEMDW

Milwaukee-Mitchell

jue. 12/4

6:00 am-11:25 am

1 stop5h 25m

Chicago Midway

jue. 12/11

5:35 am-12:00 pm

1 stop6h 25m

$209

MilwaukeeChicago

MKE - MDW

MKEMDW

Milwaukee-Mitchell

vie. 12/12

10:34 am-10:39 pm

1 stop12h 05m

Chicago Midway

dom. 12/14

6:37 pm-9:39 am

1 stop15h 02m

$210

MilwaukeeSt. Louis

MKE - STL

MKESTL

Milwaukee-Mitchell

jue. 1/22

7:40 pm-7:50 am

1 stop12h 10m

Lambert-St Louis

dom. 1/25

5:11 pm-9:53 am

2 stops16h 42m

$211

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

jue. 12/4

10:34 am-1:16 pm

1 stop26h 42m

Chicago O'Hare Intl

jue. 12/11

7:20 am-9:39 am

1 stop26h 19m

$217

MilwaukeeChicago

MKE - MDW

MKEMDW

Milwaukee-Mitchell

mié. 12/3

4:05 pm-10:35 pm

1 stop6h 30m

Chicago Midway

jue. 12/4

6:20 am-11:40 am

1 stop5h 20m

$218

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

mié. 3/18

9:44 am-10:50 am

Nonstop1h 06m

Chicago O'Hare Intl

jue. 3/26

11:30 am-12:35 pm

Nonstop1h 05m

$239

MilwaukeeSt. Louis

MKE - STL

MKESTL

Milwaukee-Mitchell

lun. 11/17

8:04 pm-9:07 am

1 stop13h 03m

Lambert-St Louis

lun. 11/24

4:13 pm-7:09 pm

2 stops26h 56m

$388

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 Illinois from

How to get the cheapest flight ticket from Milwaukee to Illinois

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 Illinois?

The cheapest day to depart from Milwaukee to Illinois is on a Friday when prices can be found for as low as $454. Flights from Milwaukee to Illinois on a Monday will generally be more expensive and average around $567. 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 Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Milwaukee to Illinois during this time can be as low as $474. Flights in the evening are often more expensive with an average ticket price of $729.

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

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

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

There are 4 cabin classes available to choose from on Milwaukee-Mitchell to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Milwaukee to Illinois flight deals and tips

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

Best Price Found

$169

Fastest flight time

0h 45m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Milwaukee in the past 72 hours is $169. The best round-trip flight deal from Milwaukee to Illinois found on momondo in the last 72 hours is $317.
The fastest flight from Milwaukee to Illinois takes 0h 45m
Direct flights go from Milwaukee to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)
Search flight deals

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

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

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

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

    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 Milwaukee-Mitchell Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Milwaukee to Illinois?

Best airlines flying from Milwaukee to Illinois

Compare and see reviews for airlines that fly from Milwaukee to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $179Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights

Why use momondo?

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

It is quick and easy to find Milwaukee to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

All flight searches from Milwaukee to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Milwaukee to Illinois 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 Milwaukee to Illinois right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Milwaukee and alert you when they change.

An easier way to manage your Illinois trip

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