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$69+ Cheap flights from Illinois to Milwaukee (MKE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MKE
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheap flight deals from Illinois to Milwaukee

Keep the following information in mind while searching for Illinois to Milwaukee flight deals. Data was last updated julio 3, 2025.

Round-trip from

$137
(Southwest)

One-way from

$69
(Southwest)

Popular in

December

Cheapest in

April

Average price

$272

Good one-way deal

$218 or less
From Illinois to Milwaukee-Mitchell
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One-way flight from Illinois to Milwaukee-Mitchell
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Highest demand for flights based on searches. 25% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a one-way flight from Illinois to Milwaukee-Mitchell.
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Find flight deals from Illinois to Milwaukee

Cheapest flights from Illinois to Milwaukee
Explore the most affordable flight options available from Illinois to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/148:20 pmSTL - MKE
Nonstop1h 15mSouthwest
lun. 8/187:55 amMKE - STL
Nonstop1h 15mSouthwest
Deal found 7/3$137
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/113:53 pmSTL - MKE
1 stop7h 11mAmerican Airlines
jue. 8/145:28 pmMKE - STL
1 stop5h 35mAmerican Airlines
Deal found 7/2$159
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/125:30 pmSTL - MKE
1 stop3h 52mDelta
jue. 8/219:38 amMKE - STL
1 stop3h 42mDelta
Deal found 6/30$167
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/314:35 pmORD - MKE
Nonstop0h 52mAmerican Airlines
dom. 8/36:27 amMKE - ORD
Nonstop1h 01mAmerican Airlines
Deal found 7/3$179
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/225:30 pmSTL - MKE
1 stop4h 26mUnited Airlines
mar. 8/2610:50 amMKE - STL
1 stop3h 43mUnited Airlines
Deal found 7/2$199
This Mytrip deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/146:56 amORD - MKE
1 stop16h 10mSpirit Airlines
jue. 8/216:00 amMKE - ORD
1 stop16h 22mSpirit Airlines
Deal found 7/1$215
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/269:40 pmORD - MKE
Nonstop1h 05mUnited Airlines
lun. 7/285:31 pmMKE - ORD
Nonstop1h 05mUnited Airlines
Deal found 7/2$241
This Mytrip deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/176:00 amORD - MKE
1 stop11h 35mMultiple Airlines
lun. 7/212:51 pmMKE - ORD
1 stop15h 12mMultiple Airlines
Deal found 7/2$251
This Mytrip deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/75:26 pmSTL - MKE
2 stops22h 16mSpirit Airlines
lun. 8/114:37 pmMKE - STL
2 stops23h 54mSpirit Airlines
Deal found 7/1$320
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/269:25 amMDW - MKE
1 stop6h 38mDelta
lun. 7/281:15 pmMKE - MDW
1 stop5h 25mDelta
Deal found 7/2$848

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated julio 3, 2025.
Use the filters below to find and compare flights from Illinois to Milwaukee that are best for you.

Fly from

Illinois

Fly to

Milwaukee

Route

Depart

Return

Price

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

jue. 8/14

8:20 pm-9:35 pm

Nonstop1h 15m

Milwaukee-Mitchell

lun. 8/18

7:55 am-9:10 am

Nonstop1h 15m

$137

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

lun. 8/11

3:53 pm-11:04 pm

1 stop7h 11m

Milwaukee-Mitchell

jue. 8/14

5:28 pm-11:03 pm

1 stop5h 35m

$159

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

mar. 8/12

5:30 pm-9:22 pm

1 stop3h 52m

Milwaukee-Mitchell

jue. 8/21

9:38 am-1:20 pm

1 stop3h 42m

$167

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

jue. 7/31

4:35 pm-5:27 pm

Nonstop0h 52m

Milwaukee-Mitchell

dom. 8/3

6:27 am-7:28 am

Nonstop1h 01m

$179

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

vie. 8/22

5:30 pm-9:56 pm

1 stop4h 26m

Milwaukee-Mitchell

mar. 8/26

10:50 am-2:33 pm

1 stop3h 43m

$199

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

jue. 8/14

6:56 am-11:06 pm

1 stop16h 10m

Milwaukee-Mitchell

jue. 8/21

6:00 am-10:22 pm

1 stop16h 22m

$215

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

sáb. 7/26

9:40 pm-10:45 pm

Nonstop1h 05m

Milwaukee-Mitchell

lun. 7/28

5:31 pm-6:36 pm

Nonstop1h 05m

$241

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

jue. 7/17

6:00 am-5:35 pm

1 stop11h 35m

Milwaukee-Mitchell

lun. 7/21

2:51 pm-6:03 am

1 stop15h 12m

$251

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

jue. 8/7

5:26 pm-3:42 pm

2 stops22h 16m

Milwaukee-Mitchell

lun. 8/11

4:37 pm-4:31 pm

2 stops23h 54m

$320

ChicagoMilwaukee

MDW - MKE

MDWMKE

Chicago Midway

sáb. 7/26

9:25 am-4:03 pm

1 stop6h 38m

Milwaukee-Mitchell

lun. 7/28

1:15 pm-6:40 pm

1 stop5h 25m

$848

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 23 results
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Best time to book a flight from Illinois to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Milwaukee

What is the cheapest month to book a flight from Illinois to Milwaukee?

Currently, February is the cheapest month in which you can book a flight from Illinois to Milwaukee (average of $280). Flying from Illinois to Milwaukee in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to MKE?

Find hourly flight availability from Illinois to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.

When flying from Illinois to Milwaukee, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Illinois to Milwaukee

Explore weekly flight availability from Illinois to Milwaukee. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated julio 3, 2025.

The most flights from USIL to MKE are scheduled on a Thursday (50 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (14 on average).

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Milwaukee. Reviews last updated julio 3, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Illinois to Milwaukee have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Milwaukee from Illinois?

    Milwaukee-Mitchell (MKE) is the airport you will fly into if you book a flight from Illinois to Milwaukee. It is only a 6.4 mi journey from Milwaukee-Mitchell (MKE) to Milwaukee’s city center.

  • What are the cheapest airlines to fly from Illinois to Milwaukee one-way?

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $69. Users have also found prices from $80 and $102 on American Airlines and Spirit Airlines, respectively.

  • What are the most popular routes from Illinois to Milwaukee?

    The most popular route from Illinois to Milwaukee is Lambert-St Louis - Milwaukee-Mitchell. You may also consider Chicago O'Hare Intl - Milwaukee-Mitchell or Chicago Midway - Milwaukee-Mitchell.

  • What are the most reliable airlines from Illinois to Milwaukee?

    The top 3 most reliable airlines when flying from Illinois to Milwaukee are Republic Airways (100%), Avianca (80%) and Air Canada (79%).

  • What are the cheapest flights from Illinois to Milwaukee?

    While on average a flight from Illinois to Milwaukee is generally $509, our data shows the cheapest flight currently is $218. When looking at the most popular route, (Lambert-St Louis - Milwaukee-Mitchell), you can expect to pay $154 for that flight.

  • Can I find deals for flights from Illinois to Milwaukee that include hotel bookings?

    Yes. In addition to deals on Illinois to Milwaukee flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Milwaukee?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Milwaukee.

  • Can I find deals for business class flights from Illinois to Milwaukee?

    Yes. Cheapflights offers flight deals from Illinois to Milwaukee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Milwaukee?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Milwaukee (average of $280). Flying from Illinois to Milwaukee in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Mequon
Oak Creek
Sheboygan
Wauwatosa

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Alternative routes for Illinois to Milwaukee

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Illinois to Milwaukee

Discover the top 2 airlines that operate flights from Illinois to Milwaukee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$239FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$179Average$273FlexibilityNo cancel feeOn-time71%

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