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$63+ Cheap flights from Milwaukee (MKE) to Illinois

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ORD
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Milwaukee to Illinois

Cheapest flights from Milwaukee to Illinois
Explore the most affordable flight options available from Milwaukee to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This American Airlines deal was found by Cheapflights users on 12/2. 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.
Tue 12/308:08 pmMKE - ORD
Nonstop1h 22mAmerican Airlines
Tue 1/63:00 pmORD - MKE
Nonstop0h 57mAmerican Airlines
Deal found 12/2$157
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Thu 12/257:45 amMKE - ORD
Nonstop1h 18mAmerican Airlines
Sun 12/289:58 pmORD - MKE
Nonstop1h 02mAmerican Airlines
Deal found 12/3$179
This American Airlines deal was found by Cheapflights users on 12/4. 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 12/207:45 amMKE - ORD
Nonstop1h 18mAmerican Airlines
Wed 12/244:55 pmORD - MKE
Nonstop0h 54mAmerican Airlines
Deal found 12/4$194
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/183:48 pmMKE - ORD
Nonstop1h 13mUnited Airlines
Sun 12/218:05 pmORD - MKE
Nonstop1h 06mUnited Airlines
Deal found 12/4$209
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Tue 12/305:00 amMKE - ORD
Nonstop1h 22mUnited Airlines
Tue 1/67:42 pmORD - MKE
Nonstop1h 06mUnited Airlines
Deal found 12/2$239
This United Airlines deal was found by Cheapflights users on 12/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:00 amMKE - ORD
Nonstop1h 22mUnited Airlines
Sun 12/285:50 pmORD - MKE
Nonstop1h 03mUnited Airlines
Deal found 12/3$240
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Tue 12/236:00 amMKE - ORD
Nonstop1h 20mAmerican Airlines
Tue 12/236:29 pmORD - MKE
Nonstop0h 59mAmerican Airlines
Deal found 12/3$264
This Mytrip deal was found by Cheapflights users on 12/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:15 pmMKE - ORD
2 stops23h 49mSpirit Airlines
Wed 1/712:09 pmORD - MKE
1 stop7h 11mSpirit Airlines
Deal found 12/3$284
This Southwest deal was found by Cheapflights users on 12/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:05 pmMKE - MDW
1 stop4h 40mSouthwest
Thu 12/116:20 amMDW - MKE
1 stop5h 20mSouthwest
Deal found 12/2$284
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:34 amMKE - STL
1 stop11h 59mMultiple Airlines
Mon 1/128:50 amSTL - MKE
1 stop9h 55mMultiple Airlines
Deal found 12/2$289
This United Airlines deal was found by Cheapflights users on 12/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:30 amMKE - ORD
Nonstop1h 22mUnited Airlines
Wed 1/77:00 amORD - MKE
1 stop14h 21mUnited Airlines
Deal found 12/3$303
This Southwest deal was found by Cheapflights users on 12/3. 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.
Tue 12/235:50 amMKE - MDW
1 stop4h 15mSouthwest
Tue 12/234:20 pmMDW - MKE
1 stop6h 25mSouthwest
Deal found 12/3$314

Find flight deals from Milwaukee to Illinois

Keep the following information in mind while searching for Milwaukee to Illinois flight deals. Data was last updated December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$157
(American Airlines)

One-way from

$63
(Southwest)

Popular in

January

Cheapest in

June

Average price

$204

Good round-trip deal

$344 or less

Good one-way deal

$170 or less
Provider with most accurate pricing for Milwaukee-Mitchell-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Chicago (CHI) flights.
Search Deals
From Milwaukee-Mitchell to Illinois
Search Deals
One-way flight from Milwaukee-Mitchell to Illinois
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Milwaukee-Mitchell to Illinois.
Search Deals
Price to beat on a one-way flight from Milwaukee-Mitchell to Illinois.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Milwaukee to Illinois that are best for you.

Fly from

Milwaukee

Fly to

Illinois

Route

Depart

Return

Price

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Tue 12/30

8:08 pm-9:30 pm

Nonstop1h 22m

Chicago O'Hare Intl

Tue 1/6

3:00 pm-3:57 pm

Nonstop0h 57m

$157

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Mon 1/12

6:58 pm-8:20 pm

Nonstop1h 22m

Chicago O'Hare Intl

Fri 1/23

3:00 pm-3:57 pm

Nonstop0h 57m

$163

MilwaukeeChicago

MKE - MDW

MKEMDW

Milwaukee-Mitchell

Sat 2/14

3:20 pm-7:55 pm

1 stop4h 35m

Chicago Midway

Thu 2/19

8:15 am-11:30 am

1 stop3h 15m

$168

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Wed 12/24

3:48 pm-5:01 pm

Nonstop1h 13m

Chicago O'Hare Intl

Fri 12/26

8:05 pm-9:11 pm

Nonstop1h 06m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Fri 12/26

6:36 am-7:58 am

Nonstop1h 22m

Chicago O'Hare Intl

Sun 1/11

12:50 pm-1:53 pm

Nonstop1h 03m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Wed 2/18

4:58 pm-6:02 pm

Nonstop1h 04m

Chicago O'Hare Intl

Sun 2/22

10:46 am-11:44 am

Nonstop0h 58m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Tue 3/31

3:24 pm-4:33 pm

Nonstop1h 09m

Chicago O'Hare Intl

Sat 4/4

7:40 pm-8:48 pm

Nonstop1h 08m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Fri 2/20

12:14 pm-1:24 pm

Nonstop1h 10m

Chicago O'Hare Intl

Mon 3/9

4:55 pm-5:49 pm

Nonstop0h 54m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Sat 1/3

8:08 pm-9:30 pm

Nonstop1h 22m

Chicago O'Hare Intl

Sat 1/10

5:31 pm-6:26 pm

Nonstop0h 55m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Sat 12/27

8:08 pm-9:30 pm

Nonstop1h 22m

Chicago O'Hare Intl

Tue 12/30

4:55 pm-5:49 pm

Nonstop0h 54m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 56 results
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Best time to book a flight from Milwaukee to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Milwaukee 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 Milwaukee to Illinois

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

Currently, January is the cheapest month in which you can book a flight from Milwaukee to Illinois (average of $179). Flying from Milwaukee to Illinois in July is currently the most expensive (average of $206). 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 MKE to IL?

Find hourly flight availability from Milwaukee to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 37% on flights from Milwaukee to Illinois by exploring options for tickets at noon.

What is the cheapest day to fly from Milwaukee to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Milwaukee to Illinois. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Milwaukee to Illinois flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Milwaukee to Illinois

Explore weekly flight availability from Milwaukee to Illinois. 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 December 4, 2025.

The most flights from MKE to USIL are scheduled on a Thursday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated December 4, 2025.
Read reviews from past customers who have flown American Airlines from Milwaukee to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,047 reviews

Crew

8.0

Food

6.5

Comfort

7.2

Overall

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.
American Airlines
7.2
Good
11,047 reviews
American Airlines
7.2
Good
11,047 reviews

Crew

8.0

Food

6.5

Comfort

7.2

Overall

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.

Related info for your journey

Find useful and relevant information for your journey from Milwaukee to Illinois. 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 from for flights from Milwaukee to Illinois?

    Milwaukee-Mitchell (MKE), located 6.4 mi from the city center, is the airport you fly out of when you book flights from Milwaukee to Illinois.

  • How long is the flight from Milwaukee to Illinois?

    Departing from Milwaukee to Illinois will take you 1h 13m. Airlines will cover a distance of 67 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Most travelers choose Milwaukee-Mitchell - Lambert-St Louis, Milwaukee-Mitchell - Chicago O'Hare Intl or Milwaukee-Mitchell - Chicago Midway when deciding on the best route from Milwaukee to Illinois.

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

    Consider Air New Zealand (71%), Copa Airlines (71%) or Qatar Airways (71%) when booking your flight. These represent the most reliable airlines when flying from Milwaukee to Illinois.

  • What are the cheapest flights from Milwaukee to Illinois?

    Looking for the cheapest flight from Milwaukee to Illinois? While on average our users pay $955, our data indicates the cheapest price to be $118. The most popular route (Milwaukee-Mitchell - Lambert-St Louis), is priced around $206.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Milwaukee to Illinois 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 Milwaukee to Illinois?

    Currently, January is the cheapest month in which you can book a flight from Milwaukee to Illinois (average of $179). Flying from Milwaukee to Illinois in July is currently the most expensive (average of $206). 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

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Alternative routes for Milwaukee to Illinois

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

Discover the top airline that operate flights from Milwaukee to Illinois. 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$264FlexibilityNo cancel feeOn-time71%

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