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$120+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — MKE
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
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Cheap 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 26, 2026.

This American Airlines deal was found by Cheapflights users on 7/22. 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 9/18:00 am
COS
-
MKE
1 stop8h 00m
American Airlines
Wed 9/98:31 am
MKE
-
COS
1 stop5h 17m
American Airlines
Deal found 7/22$265
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:15 pm
COS
-
MKE
1 stop7h 10m
Southwest
Tue 8/256:50 am
MKE
-
COS
1 stop6h 45m
Southwest
Deal found 7/21$275
This Delta deal was found by Cheapflights users on 7/22. 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.
Sat 10/171:30 pm
COS
-
MKE
1 stop6h 32m
Delta
Wed 10/2112:34 pm
MKE
-
COS
1 stop8h 33m
Delta
Deal found 7/22$280
This Southwest deal was found by Cheapflights users on 7/23. 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 8/2711:20 am
COS
-
MKE
2 stops8h 20m
Southwest
Wed 9/26:20 am
MKE
-
COS
1 stop4h 30m
Southwest
Deal found 7/23$285
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:20 pm
COS
-
MKE
1 stop4h 05m
Southwest
Fri 9/42:00 pm
MKE
-
COS
2 stops8h 50m
Southwest
Deal found 7/21$290
This Southwest deal was found by Cheapflights users on 7/23. 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 8/267:20 am
COS
-
MKE
2 stops12h 10m
Southwest
Wed 9/212:40 pm
MKE
-
COS
2 stops8h 15m
Southwest
Deal found 7/23$296
This Southwest deal was found by Cheapflights users on 7/24. 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 10/222:05 pm
COS
-
MKE
1 stop7h 25m
Southwest
Mon 10/265:30 am
MKE
-
COS
1 stop5h 05m
Southwest
Deal found 7/24$300
This United Airlines deal was found by Cheapflights users on 7/23. 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 10/2211:57 am
COS
-
MKE
1 stop4h 43m
United Airlines
Mon 10/266:18 pm
MKE
-
COS
2 stops6h 41m
United Airlines
Deal found 7/23$307
This Delta deal was found by Cheapflights users on 7/25. 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 8/158:10 am
COS
-
MKE
2 stops10h 32m
Delta
Sat 8/227:03 am
MKE
-
COS
1 stop6h 12m
Delta
Deal found 7/25$310
This United Airlines deal was found by Cheapflights users on 7/25. 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 10/37:00 am
DRO
-
MKE
1 stop5h 31m
United Airlines
Tue 10/202:39 pm
MKE
-
DRO
1 stop6h 59m
United Airlines
Deal found 7/25$318
This CheapOair deal was found by Cheapflights users on 7/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:59 pm
DEN
-
MKE
1 stop18h 16m
Frontier
Mon 10/128:10 pm
MKE
-
DEN
1 stop27h 54m
Frontier
Deal found 7/21$328
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Fri 8/216:07 pm
GJT
-
MKE
1 stop4h 52m
United Airlines
Sun 8/232:35 pm
MKE
-
GJT
1 stop7h 00m
United Airlines
Deal found 7/21$329

Find 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 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$265
(American Airlines)

One-way from

$120
(Cheapflightsfares)

Popular in

January

Cheapest in

September

Average price

$467

Good round-trip deal

$395 or less

Good one-way deal

$218 or less
Provider with most accurate pricing for Denver Intl-Milwaukee-Mitchell flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Milwaukee-Mitchell flights.
Search Deals
From Colorado to Milwaukee-Mitchell
Search Deals
One-way flight from Colorado to Milwaukee-Mitchell
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Colorado to Milwaukee-Mitchell.
Search Deals
Price to beat on a one-way flight from Colorado to Milwaukee-Mitchell.
Search Deals

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 26, 2026.
Use the filters below to find and compare flights from Colorado to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Colorado SpringsMilwaukee

COS - MKE

COSMKE

Colorado Springs

Wed 9/2

4:15 pm-9:25 pm

1 stop4h 10m

Milwaukee-Mitchell

Tue 9/8

4:25 pm-9:50 pm

2 stops6h 25m

$280

Colorado SpringsMilwaukee

COS - MKE

COSMKE

Colorado Springs

Mon 8/17

4:20 pm-9:25 pm

1 stop4h 05m

Milwaukee-Mitchell

Fri 8/21

4:35 pm-11:35 pm

1 stop8h 00m

$285

Colorado SpringsMilwaukee

COS - MKE

COSMKE

Colorado Springs

Thu 10/22

11:57 am-5:40 pm

1 stop4h 43m

Milwaukee-Mitchell

Mon 10/26

6:18 pm-11:59 pm

2 stops6h 41m

$307

Colorado SpringsMilwaukee

COS - MKE

COSMKE

Colorado Springs

Thu 8/20

7:20 am-5:40 pm

2 stops9h 20m

Milwaukee-Mitchell

Mon 8/24

6:45 am-9:45 am

1 stop4h 00m

$320

Colorado SpringsMilwaukee

COS - MKE

COSMKE

Colorado Springs

Thu 10/22

1:31 pm-9:23 pm

1 stop6h 52m

Milwaukee-Mitchell

Mon 10/26

2:59 pm-8:16 pm

1 stop6h 17m

$325

Colorado SpringsMilwaukee

COS - MKE

COSMKE

Colorado Springs

Thu 8/27

11:20 am-8:40 pm

2 stops8h 20m

Milwaukee-Mitchell

Thu 9/3

6:10 am-6:05 pm

1 stop12h 55m

$326

Grand JunctionMilwaukee

GJT - MKE

GJTMKE

Grand Junction Regnl

Thu 8/20

6:07 pm-11:59 pm

1 stop4h 52m

Milwaukee-Mitchell

Sat 8/29

10:35 am-2:37 pm

1 stop5h 02m

$329

Grand JunctionMilwaukee

GJT - MKE

GJTMKE

Grand Junction Regnl

Fri 8/21

6:07 pm-11:59 pm

1 stop4h 52m

Milwaukee-Mitchell

Sun 8/23

2:35 pm-8:35 pm

1 stop7h 00m

$329

Colorado SpringsMilwaukee

COS - MKE

COSMKE

Colorado Springs

Thu 10/22

6:00 am-8:06 pm

2 stops13h 06m

Milwaukee-Mitchell

Sun 10/25

12:36 pm-8:16 pm

1 stop8h 40m

$330

MontroseMilwaukee

MTJ - MKE

MTJMKE

Montrose County

Wed 8/19

2:21 pm-10:57 pm

1 stop7h 36m

Milwaukee-Mitchell

Sat 8/22

7:00 am-1:30 pm

1 stop7h 30m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Colorado to Milwaukee (average of $295). Flying from Colorado to Milwaukee in July is currently the most expensive (average of $469). 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 26, 2026.

It’s optimal to fly from Colorado to Milwaukee in the afternoon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the morning.

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 26, 2026.

The most flights from USCO to MKE are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Colorado to Milwaukee?

Airfare is below average for this route at the moment.
Colorado to Milwaukee flights typically cost between $355 and $506 in October.
The cheapest round-trip price found within the last 5 days was $328 on Frontier (Oct 9-Oct 12).

How far ahead should I book a flight from Colorado to Milwaukee?

To ensure you get the cheapest price possible for a flight from Colorado to Milwaukee, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Use this chart to determine the cheapest time to fly round-trip from Colorado to Milwaukee. Price data was last updated on July 18, 2026.

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

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 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Colorado to Milwaukee?

    Airlines like Southwest, United Airlines, and American Airlines fly from Colorado to Milwaukee in about 4h 10m. The time it takes to get you to your destination can typically vary by up to 3h 26m. Colorado and Milwaukee are separated by a distance of 921 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $51. However, be on the lookout for offers from Southwest 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 Montrose 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 United Airlines (84%), SkyWest Airlines (84%) and Southwest (71%).

  • What are the cheapest flights from Colorado to Milwaukee?

    The cheapest flight price from Colorado to Milwaukee is $154. On average you can expect to pay $567. The most popular route, (Denver Intl - Milwaukee-Mitchell), can usually be booked for $293.

  • 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, October is the cheapest month in which you can book a flight from Colorado to Milwaukee (average of $295). Flying from Colorado to Milwaukee in July is currently the most expensive (average of $469). 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 Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
Port Washington
New Berlin
Oak Creek
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 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$201FlexibilityNo cancel feeOn-time62%
DeltaCheapest$117Average$245FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$208Average$365FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$209Average$429FlexibilityNo cancel feeOn-time69%

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