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O'Hare Intl

$100+ Cheap flights from Milwaukee (MKE) to O'Hare Intl (ORD)

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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ORD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Milwaukee to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$179
(United Airlines)

One-way from

$100
(Kiwi.com)

Popular in

October

Cheapest in

August

Average price

$264

Good round-trip deal

$319 or less

Good one-way deal

$164 or less
From Milwaukee-Mitchell to Chicago O'Hare Intl
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One-way flight from Milwaukee-Mitchell to Chicago O'Hare Intl
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Highest demand for flights based on searches. 17% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Milwaukee-Mitchell to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Milwaukee-Mitchell to Chicago O'Hare Intl.
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Find flight deals from Milwaukee to O'Hare Intl

Cheapest flights from Milwaukee to O'Hare Intl
Explore the most affordable flight options available from Milwaukee to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 10/166:00 amMKE - ORD
Nonstop1h 10mUnited Airlines
Mon 10/208:50 pmORD - MKE
Nonstop1h 06mUnited Airlines
Deal found 9/15$179
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/95:25 amMKE - ORD
Nonstop1h 04mAmerican Airlines
Sun 10/129:27 amORD - MKE
Nonstop1h 06mAmerican Airlines
Deal found 9/15$180
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 10/152:18 pmMKE - ORD
Nonstop1h 09mAmerican Airlines
Wed 10/228:20 pmORD - MKE
Nonstop1h 04mAmerican Airlines
Deal found 9/17$181
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/34:39 pmMKE - ORD
Nonstop1h 12mAmerican Airlines
Mon 10/69:27 amORD - MKE
Nonstop1h 06mAmerican Airlines
Deal found 9/15$184
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/303:44 pmMKE - ORD
Nonstop1h 10mUnited Airlines
Sat 10/45:50 pmORD - MKE
Nonstop1h 06mUnited Airlines
Deal found 9/15$189
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/255:00 amMKE - ORD
Nonstop1h 10mUnited Airlines
Tue 9/309:05 amORD - MKE
Nonstop1h 06mUnited Airlines
Deal found 9/15$199
This American Airlines deal was found by Cheapflights users on 9/17. 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 9/262:23 pmMKE - ORD
Nonstop1h 10mAmerican Airlines
Sun 9/289:04 amORD - MKE
Nonstop1h 00mAmerican Airlines
Deal found 9/17$209
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Sun 12/75:00 amMKE - ORD
Nonstop1h 11mUnited Airlines
Fri 12/196:40 pmORD - MKE
Nonstop1h 15mUnited Airlines
Deal found 9/17$239
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/167:15 pmMKE - ORD
Nonstop1h 10mUnited Airlines
Tue 9/239:07 amORD - MKE
Nonstop1h 06mUnited Airlines
Deal found 9/15$240
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 12/73:42 pmMKE - ORD
Nonstop1h 12mAmerican Airlines
Fri 12/199:05 amORD - MKE
Nonstop1h 08mAmerican Airlines
Deal found 9/15$247
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/246:00 amMKE - ORD
Nonstop1h 10mUnited Airlines
Tue 9/309:05 amORD - MKE
Nonstop1h 06mUnited Airlines
Deal found 9/15$259
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/257:00 amMKE - ORD
Nonstop1h 10mUnited Airlines
Sun 9/2810:20 amORD - MKE
Nonstop1h 06mUnited Airlines
Deal found 9/15$269

Cheapflights Fare Finder

 
Customize your flight search to find flights from Milwaukee to O'Hare Intl 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 September 17, 2025.
Use the filters below to find and compare flights from Milwaukee to Chicago O'Hare Intl Airport that are best for you.

Fly from

Milwaukee

Fly to

O'Hare Intl

Route

Depart

Return

Price

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Fri 10/10

5:25 am-6:29 am

Nonstop1h 04m

Chicago O'Hare Intl

Tue 10/14

3:37 pm-4:29 pm

Nonstop0h 52m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Thu 12/18

7:08 am-8:30 am

Nonstop1h 22m

Chicago O'Hare Intl

Sun 1/4

2:10 pm-3:13 pm

Nonstop1h 03m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Sat 10/25

5:25 am-6:29 am

Nonstop1h 04m

Chicago O'Hare Intl

Wed 10/29

11:00 pm-11:56 pm

Nonstop0h 56m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Fri 12/26

6:36 am-7:58 am

Nonstop1h 22m

Chicago O'Hare Intl

Sun 1/4

9:07 pm-10:13 pm

Nonstop1h 06m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Wed 10/15

6:45 am-7:51 am

Nonstop1h 06m

Chicago O'Hare Intl

Wed 10/22

7:25 pm-8:25 pm

Nonstop1h 00m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Wed 11/26

5:00 am-6:11 am

Nonstop1h 11m

Chicago O'Hare Intl

Sun 11/30

5:50 pm-6:47 pm

Nonstop0h 57m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Thu 10/16

6:00 am-7:10 am

Nonstop1h 10m

Chicago O'Hare Intl

Mon 10/20

8:50 pm-9:56 pm

Nonstop1h 06m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Thu 1/22

9:30 am-10:45 am

Nonstop1h 15m

Chicago O'Hare Intl

Sun 1/25

9:40 am-10:36 am

Nonstop0h 56m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Thu 10/9

12:05 pm-1:15 pm

Nonstop1h 10m

Chicago O'Hare Intl

Sun 10/12

8:50 pm-9:56 pm

Nonstop1h 06m

$179

MilwaukeeChicago

MKE - ORD

MKEORD

Milwaukee-Mitchell

Wed 10/29

9:30 am-10:35 am

Nonstop1h 05m

Chicago O'Hare Intl

Fri 11/14

10:00 pm-11:05 pm

Nonstop1h 05m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 19 results
1
2

Best time to book a flight from Milwaukee to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from Milwaukee to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Milwaukee to Chicago O'Hare Intl Airport (average of $245). Flying from Milwaukee to Chicago O'Hare Intl Airport 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 ORD?

Find hourly flight availability from Milwaukee to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

It’s typically best to fly out from Milwaukee to Chicago O'Hare Intl Airport in the morning. Doing so could potentially save you 33% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Milwaukee to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Milwaukee to O'Hare Intl. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Milwaukee to Chicago O'Hare Intl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated September 17, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Milwaukee to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Milwaukee to O'Hare Intl. 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 Chicago O'Hare Intl?

    If you book a flight to Chicago O'Hare Intl from Milwaukee, you will be flying from Milwaukee-Mitchell, which is the city’s only airport. Milwaukee-Mitchell (MKE) is located 6.4 mi from the center of Milwaukee. There are 43 flights from Milwaukee-Mitchell to Chicago O'Hare Intl per day from 2 different airlines.

  • How long is the flight from Milwaukee to Chicago O'Hare Intl Airport?

    A quick flight from Milwaukee to Chicago O'Hare Intl Airport can take about 1h 04m. American Airlines provides one of the quickest options available for as low as $179. Milwaukee and Chicago O'Hare Intl Airport are separated by a distance of 67 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Milwaukee to Chicago O'Hare Intl Airport round-trip?

    American Airlines, at $179, was found to be the cheapest airline from Milwaukee to Chicago O'Hare Intl Airport. An alternate airline flying to your destination would be United Airlines. American Airlines is currently priced 41% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Milwaukee to Chicago O'Hare Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Milwaukee to Chicago O'Hare Intl Airport consider choosing Copa Airlines (72%), Alaska Airlines (71%) or Avianca (71%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Milwaukee to Chicago O'Hare Intl Airport?

    On average you can expect to pay $932 for a flight from Milwaukee to Chicago O'Hare Intl Airport. The cheapest flight overall is $108 while the most popular route, (Milwaukee-Mitchell - Chicago O'Hare Intl) is currently priced at $179.

  • Can I find deals for flights from Milwaukee to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Milwaukee to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Milwaukee to O'Hare Intl?

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

  • Can I find deals for business class flights from Milwaukee to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Milwaukee to O'Hare Intl 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 Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Milwaukee to Chicago O'Hare Intl Airport (average of $245). Flying from Milwaukee to Chicago O'Hare Intl Airport 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

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Orland Park
Beloit
Racine
Rockford
Oak Brook
Elk Grove Village
Downers Grove
Naperville
Evanston
Merrillville
Bridgeview
Warrenville

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Milwaukee to O'Hare Intl

Discover the top 2 airlines that operate flights from Milwaukee to O'Hare Intl. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$264FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$229Average$309FlexibilityNo cancel feeOn-time69%

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