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$80+ 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MKE
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$149
(Mytrip)

One-way from

$80
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$249

Good one-way deal

$124 or less
Provider with most accurate pricing for Chicago (CHI)-Milwaukee-Mitchell flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Milwaukee-Mitchell flights.
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From Illinois to Milwaukee-Mitchell
Search Deals
One-way flight from Illinois to Milwaukee-Mitchell
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Highest demand for flights based on searches. 18% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/19. 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.
Fri 3/75:24 pmSTL - MKE
1 stop18h 55mFrontier
Tue 3/111:19 pmMKE - STL
1 stop10h 30mFrontier
Deal found 2/19$149
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Tue 4/16:25 pmORD - MKE
2 stops20h 35mSpirit Airlines
Wed 4/307:48 pmMKE - ORD
3 stops27h 34mSpirit Airlines
Deal found 2/20$204
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 4/58:35 pmORD - MKE
Nonstop1h 08mAmerican Airlines
Sat 4/121:48 pmMKE - ORD
Nonstop0h 57mAmerican Airlines
Deal found 2/19$231
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 4/17:35 pmORD - MKE
Nonstop1h 02mUnited Airlines
Wed 4/301:25 pmMKE - ORD
Nonstop1h 08mUnited Airlines
Deal found 2/20$232
This Southwest deal was found by Cheapflights users on 2/18. 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.
Thu 3/139:40 amSTL - MKE
Nonstop1h 15mSouthwest
Mon 3/177:40 amMKE - STL
Nonstop1h 25mSouthwest
Deal found 2/18$287
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Tue 3/47:07 amORD - MKE
2 stops33h 32mMultiple Airlines
Sun 3/92:00 pmMKE - ORD
3 stops43h 07mMultiple Airlines
Deal found 2/19$288
This Delta deal was found by Cheapflights users on 2/19. 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.
Thu 3/136:00 amSTL - MKE
1 stop4h 10mDelta
Mon 3/176:55 pmMKE - STL
1 stop4h 08mDelta
Deal found 2/19$307
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Wed 3/1912:15 pmSTL - MKE
3 stops27h 31mMultiple Airlines
Wed 3/261:24 pmMKE - STL
2 stops28h 28mMultiple Airlines
Deal found 2/19$399
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 3/66:30 amSTL - MKE
1 stop5h 29mUnited Airlines
Mon 3/1011:25 amMKE - STL
1 stop4h 06mUnited Airlines
Deal found 2/19$460
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 2/215:45 amSTL - MKE
1 stop5h 22mAmerican Airlines
Sun 2/232:53 pmMKE - STL
1 stop7h 50mAmerican Airlines
Deal found 2/20$586
This Delta deal was found by Cheapflights users on 2/18. 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.
Tue 4/229:30 amORD - MKE
2 stops9h 11mDelta
Sat 4/266:00 amMKE - ORD
1 stop10h 01mDelta
Deal found 2/18$593
This Delta deal was found by Cheapflights users on 2/19. 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.
Fri 2/285:05 pmMDW - MKE
1 stop16h 17mDelta
Thu 4/39:09 amMKE - MDW
1 stop9h 09mDelta
Deal found 2/19$769

Find flights from Illinois to Milwaukee within your budget

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 February 20, 2025.

Fly from

Illinois

Fly to

Milwaukee

Route

Depart

Return

Price

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Fri 3/7

5:24 pm-12:19 pm

1 stop18h 55m

Milwaukee-Mitchell

Tue 3/11

1:19 pm-11:49 pm

1 stop10h 30m

$149

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Tue 4/1

6:25 pm-3:00 pm

2 stops20h 35m

Milwaukee-Mitchell

Wed 4/30

7:48 pm-11:22 pm

3 stops27h 34m

$204

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Sat 4/5

8:35 pm-9:43 pm

Nonstop1h 08m

Milwaukee-Mitchell

Sat 4/12

1:48 pm-2:45 pm

Nonstop0h 57m

$231

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Tue 4/1

7:35 pm-8:37 pm

Nonstop1h 02m

Milwaukee-Mitchell

Wed 4/30

1:25 pm-2:33 pm

Nonstop1h 08m

$232

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Thu 3/13

9:40 am-10:55 am

Nonstop1h 15m

Milwaukee-Mitchell

Mon 3/17

7:40 am-9:05 am

Nonstop1h 25m

$287

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Tue 3/4

7:07 am-4:39 pm

2 stops33h 32m

Milwaukee-Mitchell

Sun 3/9

2:00 pm-9:07 am

3 stops43h 07m

$288

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Thu 3/13

6:00 am-10:10 am

1 stop4h 10m

Milwaukee-Mitchell

Mon 3/17

6:55 pm-11:03 pm

1 stop4h 08m

$307

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Wed 3/19

12:15 pm-3:46 pm

3 stops27h 31m

Milwaukee-Mitchell

Wed 3/26

1:24 pm-5:52 pm

2 stops28h 28m

$399

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Thu 3/6

6:30 am-11:59 am

1 stop5h 29m

Milwaukee-Mitchell

Mon 3/10

11:25 am-3:31 pm

1 stop4h 06m

$460

ChicagoMilwaukee

ORD - MKE

ORDMKE

Chicago O'Hare Intl

Tue 4/22

9:30 am-6:41 pm

2 stops9h 11m

Milwaukee-Mitchell

Sat 4/26

6:00 am-4:01 pm

1 stop10h 01m

$593

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 26 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.

Travel insights for flights from Illinois to Milwaukee

Get recent, data-driven insights about flights from Illinois to Milwaukee including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.

The most flights from USIL to MKE are scheduled on a Tuesday (44 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 on average).

Rainfall in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Milwaukee ranges from 1.4 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. January is typically the driest time to visit Milwaukee when rainfall is around 1.4 in.

Temperature in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Milwaukee, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 February 20, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Illinois to Milwaukee by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Spirit Airlines
6.3
Okay
8,013 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 American Airlines. According to our data, you can fly for as low as $80. Users have also found prices from $89 and $102 on Delta and Spirit Airlines, respectively.

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

    The most popular route from Illinois to Milwaukee is Chicago O'Hare Intl - Milwaukee-Mitchell. You may also consider Lambert-St Louis - 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 (96%), Qatar Airways (81%) and Alaska Airlines (77%).

  • What are the cheapest flights from Illinois to Milwaukee?

    While on average a flight from Illinois to Milwaukee is generally $221, our data shows the cheapest flight currently is $94. When looking at the most popular route, (Chicago O'Hare Intl - Milwaukee-Mitchell), you can expect to pay $204 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
Pewaukee
Sheboygan
Oak Creek
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 airline flying from Illinois to Milwaukee

Discover the top airline 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$249FlexibilityNo cancel feeOn-time69%
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