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$99+ 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — MKE
Jun 22 — Jun 291
Mon 6/22
Mon 6/29
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 May 23, 2026.

This Delta deal was found by Cheapflights users on 5/18. 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.
Fri 7/106:00 am
COS
-
MKE
1 stop8h 04m
Delta
Tue 7/142:59 pm
MKE
-
COS
1 stop7h 08m
Delta
Deal found 5/18$240
This Delta deal was found by Cheapflights users on 5/20. 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.
Wed 8/126:00 am
COS
-
MKE
1 stop6h 53m
Delta
Sun 8/163:59 pm
MKE
-
COS
1 stop6h 55m
Delta
Deal found 5/20$250
This Delta deal was found by Cheapflights users on 5/19. 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 9/175:55 pm
COS
-
MKE
2 stops14h 25m
Delta
Thu 9/2412:20 pm
MKE
-
COS
2 stops11h 09m
Delta
Deal found 5/19$275
This Delta deal was found by Cheapflights users on 5/18. 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 7/221:40 pm
COS
-
MKE
1 stop6h 29m
Delta
Sun 7/265:45 am
MKE
-
COS
1 stop7h 47m
Delta
Deal found 5/18$287
This Southwest deal was found by Cheapflights users on 5/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:50 am
COS
-
MKE
1 stop6h 00m
Southwest
Wed 5/273:55 pm
MKE
-
COS
1 stop7h 25m
Southwest
Deal found 5/20$296
This Delta deal was found by Cheapflights users on 5/18. 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.
Mon 7/66:20 pm
COS
-
MKE
2 stops13h 30m
Delta
Sat 7/1112:56 pm
MKE
-
COS
1 stop9h 11m
Delta
Deal found 5/18$297
This American Airlines deal was found by Cheapflights users on 5/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:56 pm
GJT
-
MKE
1 stop5h 38m
American Airlines
Tue 6/912:07 pm
MKE
-
GJT
2 stops12h 36m
American Airlines
Deal found 5/23$304
This Cheapflightsfares deal was found by Cheapflights users on 5/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/211:46 pm
DEN
-
MKE
1 stop10h 27m
Frontier
Sun 7/58:43 am
MKE
-
DEN
1 stop15h 17m
Frontier
Deal found 5/21$315
This Cheapflightsfares deal was found by Cheapflights users on 5/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1911:46 pm
DEN
-
MKE
1 stop10h 27m
Frontier
Sun 6/218:43 am
MKE
-
DEN
1 stop15h 21m
Frontier
Deal found 5/23$316
This United Airlines deal was found by Cheapflights users on 5/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:30 pm
DEN
-
MKE
Nonstop2h 38m
United Airlines
Wed 10/145:50 pm
MKE
-
DEN
Nonstop2h 55m
United Airlines
Deal found 5/22$317
This CheapOair deal was found by Cheapflights users on 5/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:15 am
DEN
-
MKE
1 stop21h 43m
Frontier
Sun 8/238:43 am
MKE
-
DEN
1 stop15h 11m
Frontier
Deal found 5/20$320
This CheapOair deal was found by Cheapflights users on 5/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:34 pm
DEN
-
MKE
1 stop8h 17m
Multiple Airlines
Tue 6/168:43 am
MKE
-
DEN
1 stop15h 21m
Multiple Airlines
Deal found 5/22$322

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 May 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$240
(Delta)

One-way from

$99
(Cheapflightsfares)

Popular in

January

Cheapest in

September

Average price

$371

Good round-trip deal

$392 or less

Good one-way deal

$230 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. 13% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 23, 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

Fri 7/10

6:00 am-3:04 pm

1 stop8h 04m

Milwaukee-Mitchell

Tue 7/14

2:59 pm-9:07 pm

1 stop7h 08m

$240

Colorado SpringsMilwaukee

COS - MKE

COSMKE

Colorado Springs

Wed 8/12

6:00 am-8:18 pm

2 stops13h 18m

Milwaukee-Mitchell

Sun 8/16

3:59 pm-9:54 pm

1 stop6h 55m

$294

Grand JunctionMilwaukee

GJT - MKE

GJTMKE

Grand Junction Regnl

Sat 6/6

12:05 pm-9:37 pm

1 stop8h 32m

Milwaukee-Mitchell

Tue 6/9

7:18 am-6:25 pm

2 stops12h 07m

$304

DurangoMilwaukee

DRO - MKE

DROMKE

Durango La Plata County

Sat 9/5

6:05 am-1:56 pm

1 stop6h 51m

Milwaukee-Mitchell

Mon 9/14

2:29 pm-9:13 pm

1 stop7h 44m

$331

Colorado SpringsMilwaukee

COS - MKE

COSMKE

Colorado Springs

Wed 9/16

6:00 am-1:43 pm

1 stop6h 43m

Milwaukee-Mitchell

Fri 9/18

7:00 am-5:14 pm

2 stops11h 14m

$336

Colorado SpringsMilwaukee

COS - MKE

COSMKE

Colorado Springs

Thu 7/9

4:55 pm-10:30 pm

1 stop4h 35m

Milwaukee-Mitchell

Sun 7/12

5:20 am-8:45 am

1 stop4h 25m

$352

Colorado SpringsMilwaukee

COS - MKE

COSMKE

Colorado Springs

Mon 9/28

8:00 am-11:25 pm

2 stops14h 25m

Milwaukee-Mitchell

Fri 10/2

5:55 am-5:14 pm

2 stops12h 19m

$355

AspenMilwaukee

ASE - MKE

ASEMKE

Aspen Pitkin County

Fri 6/5

8:05 am-3:12 pm

1 stop6h 07m

Milwaukee-Mitchell

Sun 6/7

5:40 am-11:23 am

1 stop6h 43m

$359

AspenMilwaukee

ASE - MKE

ASEMKE

Aspen Pitkin County

Fri 6/5

8:05 am-3:12 pm

1 stop6h 07m

Milwaukee-Mitchell

Sun 6/28

5:40 am-11:23 am

1 stop6h 43m

$359

MontroseMilwaukee

MTJ - MKE

MTJMKE

Montrose County

Tue 10/20

7:15 am-1:26 pm

1 stop5h 11m

Milwaukee-Mitchell

Sat 10/24

10:35 am-2:27 pm

1 stop4h 52m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

Showing 1-10 of 51 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, November is the cheapest month in which you can book a flight from Colorado to Milwaukee (average of $40). Flying from Colorado to Milwaukee in January is currently the most expensive (average of $210). 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 May 23, 2026.

It’s optimal to fly from Colorado to Milwaukee in the afternoon. By choosing this option you can save up to 31% 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 May 23, 2026.

The most flights from USCO to MKE are scheduled on a Monday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

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

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 24 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 May 23, 2026.

Travelers seeking maximum savings on their Colorado to Milwaukee flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon 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 3 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 Delta, American Airlines, and United Airlines fly from Colorado to Milwaukee in about 5h 11m. The time it takes to get you to your destination can typically vary by up to 3h 21m. Colorado and Milwaukee are separated by a distance of 1087 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 SkyWest Airlines (100%), United Airlines (92%) and Frontier (89%).

  • What are the cheapest flights from Colorado to Milwaukee?

    The cheapest flight price from Colorado to Milwaukee is $186. On average you can expect to pay $362. The most popular route, (Denver Intl - Milwaukee-Mitchell), can usually be booked for $287.

  • 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, November is the cheapest month in which you can book a flight from Colorado to Milwaukee (average of $40). Flying from Colorado to Milwaukee in January is currently the most expensive (average of $210). 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 May 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$69Average$185FlexibilityNo cancel feeOn-time62%
DeltaCheapest$117Average$245FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$188Average$416FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$206Average$340FlexibilityNo cancel feeOn-time63%

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