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$108+ Cheap flights from Colorado 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — MKE
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Colorado to Milwaukee

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

Round-trip from

$128
(Frontier)

One-way from

$113
(Southwest)

Popular in

December

Cheapest in

September

Average price

$301

Good round-trip deal

$257 or less

Good one-way deal

$163 or less
From Colorado to Milwaukee-Mitchell
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One-way flight from Colorado to Milwaukee-Mitchell
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Highest demand for flights based on searches. 19% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 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 round-trip flight from Colorado to Milwaukee-Mitchell.
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Price to beat on a one-way flight from Colorado to Milwaukee-Mitchell.
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Find flight deals from Colorado to Milwaukee

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

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/213:46 pmDEN - MKE
Nonstop2h 27mFrontier
Fri 7/257:58 pmMKE - DEN
Nonstop2h 40mFrontier
Deal found 7/2$128
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:40 pmDEN - MKE
Nonstop2h 20mSouthwest
Wed 8/275:55 amMKE - DEN
Nonstop2h 30mSouthwest
Deal found 7/2$197
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:22 pmDEN - MKE
1 stop23h 27mMultiple Airlines
Mon 10/207:57 pmMKE - DEN
Nonstop2h 44mMultiple Airlines
Deal found 7/1$208
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/148:25 pmDEN - MKE
Nonstop2h 34mUnited Airlines
Sat 8/238:30 amMKE - DEN
Nonstop2h 35mUnited Airlines
Deal found 7/3$214
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:45 amDEN - MKE
1 stop5h 39mDelta
Mon 10/65:50 pmMKE - DEN
1 stop5h 40mDelta
Deal found 7/3$217
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/128:00 amCOS - MKE
1 stop4h 28mUnited Airlines
Fri 8/155:57 pmMKE - COS
1 stop6h 55mUnited Airlines
Deal found 7/1$225
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:45 amCOS - MKE
2 stops8h 20mSouthwest
Fri 8/156:00 amMKE - COS
1 stop9h 15mSouthwest
Deal found 7/1$230
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.
Sat 8/98:34 amDEN - MKE
1 stop7h 04mAmerican Airlines
Wed 8/131:58 pmMKE - DEN
1 stop6h 09mAmerican Airlines
Deal found 7/2$234
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/52:22 pmCOS - MKE
1 stop8h 37mDelta
Sun 8/106:20 amMKE - COS
1 stop4h 56mDelta
Deal found 7/1$237
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/132:37 pmMTJ - MKE
1 stop6h 11mAmerican Airlines
Wed 8/206:16 amMKE - MTJ
1 stop8h 31mAmerican Airlines
Deal found 7/1$285
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/133:30 pmMTJ - MKE
1 stop4h 44mUnited Airlines
Wed 8/205:00 amMKE - MTJ
2 stops10h 28mUnited Airlines
Deal found 7/1$290
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/238:50 amEGE - MKE
1 stop5h 19mUnited Airlines
Tue 8/268:30 amMKE - EGE
1 stop6h 56mUnited Airlines
Deal found 7/1$329

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado 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 July 3, 2025.
Use the filters below to find and compare flights from Colorado to Milwaukee that are best for you.

Fly from

Colorado

Fly to

Milwaukee

Route

Depart

Return

Price

DenverMilwaukee

DEN - MKE

DENMKE

Denver Intl

Mon 7/21

3:46 pm-7:13 pm

Nonstop2h 27m

Milwaukee-Mitchell

Fri 7/25

7:58 pm-9:38 pm

Nonstop2h 40m

$128

DenverMilwaukee

DEN - MKE

DENMKE

Denver Intl

Mon 8/18

7:40 pm-11:00 pm

Nonstop2h 20m

Milwaukee-Mitchell

Wed 8/27

5:55 am-7:25 am

Nonstop2h 30m

$197

DenverMilwaukee

DEN - MKE

DENMKE

Denver Intl

Wed 10/15

7:22 pm-7:49 pm

1 stop23h 27m

Milwaukee-Mitchell

Mon 10/20

7:57 pm-9:41 pm

Nonstop2h 44m

$208

DenverMilwaukee

DEN - MKE

DENMKE

Denver Intl

Thu 8/14

8:25 pm-11:59 pm

Nonstop2h 34m

Milwaukee-Mitchell

Sat 8/23

8:30 am-10:05 am

Nonstop2h 35m

$214

DenverMilwaukee

DEN - MKE

DENMKE

Denver Intl

Wed 10/1

5:45 am-12:24 pm

1 stop5h 39m

Milwaukee-Mitchell

Mon 10/6

5:50 pm-10:30 pm

1 stop5h 40m

$217

Colorado SpringsMilwaukee

COS - MKE

COSMKE

Colorado Springs

Tue 8/12

8:00 am-1:28 pm

1 stop4h 28m

Milwaukee-Mitchell

Fri 8/15

5:57 pm-11:52 pm

1 stop6h 55m

$225

Colorado SpringsMilwaukee

COS - MKE

COSMKE

Colorado Springs

Tue 8/12

6:45 am-4:05 pm

2 stops8h 20m

Milwaukee-Mitchell

Fri 8/15

6:00 am-2:15 pm

1 stop9h 15m

$230

DenverMilwaukee

DEN - MKE

DENMKE

Denver Intl

Sat 8/9

8:34 am-4:38 pm

1 stop7h 04m

Milwaukee-Mitchell

Wed 8/13

1:58 pm-7:07 pm

1 stop6h 09m

$234

Colorado SpringsMilwaukee

COS - MKE

COSMKE

Colorado Springs

Tue 8/5

2:22 pm-11:59 pm

1 stop8h 37m

Milwaukee-Mitchell

Sun 8/10

6:20 am-10:16 am

1 stop4h 56m

$237

MontroseMilwaukee

MTJ - MKE

MTJMKE

Montrose County

Wed 8/13

2:37 pm-9:48 pm

1 stop6h 11m

Milwaukee-Mitchell

Wed 8/20

6:16 am-1:47 pm

1 stop8h 31m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 38 results
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Best time to book a flight from Colorado to Milwaukee

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

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

Currently, February is the cheapest month in which you can book a flight from Colorado to Milwaukee (average of $280). Flying from Colorado 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 CO to MKE?

Find hourly flight availability from Colorado 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 July 3, 2025.

When flying from Colorado 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 Colorado to Milwaukee

Explore weekly flight availability from Colorado 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 July 3, 2025.

The most flights from USCO to MKE are scheduled on a Monday (10 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 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 July 3, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Colorado to Milwaukee. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,270 reviews
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,970 reviews
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,845 reviews
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Sun Country Air
6.9
Okay
339 reviews
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Colorado 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 Colorado?

    For a flight from Colorado to Milwaukee, you will be flying into Milwaukee-Mitchell. Milwaukee-Mitchell (MKE) is just 6.4 mi from the center of the city.

  • How popular is this Colorado to Milwaukee flight route?

    The Colorado to Milwaukee-Mitchell flight path was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $113. However, be on the lookout for offers from Frontier and United Airlines, as they are both options that can get you from Colorado to Milwaukee for a low price.

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

    While some choose either Colorado Springs - Milwaukee-Mitchell or Vail Eagle County - Milwaukee-Mitchell, Denver Intl - Milwaukee-Mitchell is the most popular route from Colorado to Milwaukee.

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

    The top 3 most reliable airlines when flying from Colorado to Milwaukee are Frontier (79%), SkyWest Airlines (73%) and United Airlines (63%).

  • What are the cheapest flights from Colorado to Milwaukee?

    The cheapest flight price from Colorado to Milwaukee is $94. On average you can expect to pay $431. The most popular route, (Denver Intl - Milwaukee-Mitchell), can usually be booked for $168.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Colorado to Milwaukee (average of $280). Flying from Colorado 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 Colorado?

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

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Alternative routes for Colorado to Milwaukee

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Colorado to Milwaukee

Discover the top 4 airlines that operate flights from Colorado 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$152FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$161Average$489FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$183Average$361FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$224Average$410FlexibilityNo cancel feeOn-time63%

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