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$79+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ORD
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheap flight deals from Milwaukee to Illinois

Keep the following information in mind while searching for Milwaukee to Illinois flight deals. Data was last updated April 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$159
(American Airlines)

One-way from

$79
(United Airlines)

Popular in

November

Cheapest in

March

Average price

$357

Good round-trip deal

$334 or less

Good one-way deal

$183 or less
Provider with most accurate pricing for Milwaukee-Mitchell-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Chicago (CHI) flights.
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From Milwaukee-Mitchell to Illinois
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One-way flight from Milwaukee-Mitchell to Illinois
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Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Milwaukee-Mitchell to Illinois.
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Price to beat on a one-way flight from Milwaukee-Mitchell to Illinois.
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Find 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 April 22, 2025.

This American Airlines deal was found by Cheapflights users on 4/21. 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.
Mon 5/126:23 pmMKE - STL
1 stop5h 28mAmerican Airlines
Thu 5/155:00 amSTL - MKE
1 stop4h 22mAmerican Airlines
Deal found 4/21$159
This American Airlines deal was found by Cheapflights users on 4/22. 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 6/175:13 pmMKE - ORD
Nonstop1h 09mAmerican Airlines
Tue 6/241:30 pmORD - MKE
Nonstop0h 48mAmerican Airlines
Deal found 4/22$179
This Delta deal was found by Cheapflights users on 4/22. 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.
Wed 5/216:34 amMKE - STL
1 stop4h 13mDelta
Wed 5/282:15 pmSTL - MKE
1 stop3h 39mDelta
Deal found 4/22$208
This Southwest deal was found by Cheapflights users on 4/22. 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.
Fri 7/48:30 amMKE - STL
Nonstop1h 15mSouthwest
Thu 7/109:30 amSTL - MKE
Nonstop1h 15mSouthwest
Deal found 4/22$241
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Sat 5/103:52 pmMKE - ORD
Nonstop1h 08mUnited Airlines
Fri 5/168:15 pmORD - MKE
Nonstop1h 02mUnited Airlines
Deal found 4/20$244
This Delta deal was found by Cheapflights users on 4/22. 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 5/297:05 amMKE - EVV
1 stop5h 33mDelta
Sat 5/319:51 amEVV - MKE
1 stop4h 03mDelta
Deal found 4/22$287
This Mytrip deal was found by Cheapflights users on 4/21. 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 5/612:32 pmMKE - ORD
1 stop11h 48mSpirit Airlines
Sat 5/107:47 amORD - MKE
1 stop27h 40mSpirit Airlines
Deal found 4/21$294
This Mytrip deal was found by Cheapflights users on 4/21. 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 5/612:32 pmMKE - ORD
1 stop20h 18mMultiple Airlines
Sat 5/104:35 pmORD - MKE
1 stop21h 18mMultiple Airlines
Deal found 4/21$295
This Mytrip deal was found by Cheapflights users on 4/21. 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.
Mon 5/1210:35 amMKE - STL
3 stops25h 10mMultiple Airlines
Thu 5/1510:10 amSTL - MKE
2 stops25h 17mMultiple Airlines
Deal found 4/21$356
This American Airlines deal was found by Cheapflights users on 4/21. 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 5/66:30 amMKE - EVV
1 stop7h 56mAmerican Airlines
Sat 5/102:51 pmEVV - MKE
1 stop18h 31mAmerican Airlines
Deal found 4/21$399
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/68:20 amMKE - STL
1 stop6h 27mUnited Airlines
Sat 5/109:40 amSTL - MKE
1 stop4h 07mUnited Airlines
Deal found 4/21$453
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/104:15 pmMKE - ORD
1 stop16h 09mDelta
Wed 5/146:24 amORD - MKE
1 stop11h 45mDelta
Deal found 4/20$487

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 April 22, 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

MilwaukeeSt. Louis

MKE - STL

MKESTL

Milwaukee-Mitchell

Mon 5/12

6:23 pm-11:51 pm

1 stop5h 28m

Lambert-St Louis

Thu 5/15

5:00 am-9:22 am

1 stop4h 22m

$159

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Tue 6/17

5:13 pm-6:22 pm

Nonstop1h 09m

Chicago O'Hare Intl

Tue 6/24

1:30 pm-2:18 pm

Nonstop0h 48m

$179

MilwaukeeSt. Louis

MKE - STL

MKESTL

Milwaukee-Mitchell

Wed 5/21

6:34 am-10:47 am

1 stop4h 13m

Lambert-St Louis

Wed 5/28

2:15 pm-5:54 pm

1 stop3h 39m

$208

MilwaukeeSt. Louis

MKE - STL

MKESTL

Milwaukee-Mitchell

Fri 7/4

8:30 am-9:45 am

Nonstop1h 15m

Lambert-St Louis

Thu 7/10

9:30 am-10:45 am

Nonstop1h 15m

$241

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Sat 5/10

5:47 pm-6:55 pm

Nonstop1h 08m

Chicago O'Hare Intl

Mon 5/12

4:04 pm-5:06 pm

Nonstop1h 02m

$244

MilwaukeeEvansville

MKE - EVV

MKEEVV

Milwaukee-Mitchell

Thu 5/29

7:05 am-12:38 pm

1 stop5h 33m

Evansville Dress Regional

Sat 5/31

9:51 am-1:54 pm

1 stop4h 03m

$287

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Tue 5/6

12:32 pm-12:20 am

1 stop11h 48m

Chicago O'Hare Intl

Sat 5/10

7:47 am-11:27 am

1 stop27h 40m

$294

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Tue 5/6

12:32 pm-8:50 am

1 stop20h 18m

Chicago O'Hare Intl

Sat 5/10

4:35 pm-1:53 pm

1 stop21h 18m

$295

MilwaukeeSt. Louis

MKE - STL

MKESTL

Milwaukee-Mitchell

Mon 5/12

10:35 am-11:45 am

3 stops25h 10m

Lambert-St Louis

Thu 5/15

10:10 am-11:27 am

2 stops25h 17m

$356

MilwaukeeEvansville

MKE - EVV

MKEEVV

Milwaukee-Mitchell

Tue 5/6

6:30 am-2:26 pm

1 stop7h 56m

Evansville Dress Regional

Sat 5/10

2:51 pm-9:22 am

1 stop18h 31m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 29 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, August is the cheapest month in which you can book a flight from Milwaukee to Illinois (average of $245). Flying from Milwaukee to Illinois in March is currently the most expensive (average of $321). 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 April 22, 2025.

When flying from Milwaukee to Illinois, 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 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 April 22, 2025.

The most flights from MKE to USIL are scheduled on a Tuesday (48 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 23.0 F).

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 April 22, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Milwaukee to Illinois. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,906 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,906 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,286 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,683 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $79. Users have also found prices from $80 and $89 on American Airlines and Delta, respectively.

  • 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 - Evansville Dress Regional when deciding on the best route from Milwaukee to Illinois.

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

    Consider Envoy Air (100%), Copa Airlines (85%) or Avianca (78%) 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 $849, our data indicates the cheapest price to be $119. The most popular route (Milwaukee-Mitchell - Lambert-St Louis), is priced around $177.

  • 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, August is the cheapest month in which you can book a flight from Milwaukee to Illinois (average of $245). Flying from Milwaukee to Illinois in March is currently the most expensive (average of $321). 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 2 airlines flying from Milwaukee to Illinois

Discover the top 2 airlines 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$291FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$229Average$309FlexibilityNo cancel feeOn-time69%

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