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$104+ Cheap flights from Denver to Milwaukee (DEN - 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — MKE
Jul 12 — Jul 191
Sat 7/12
Sat 7/19
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Milwaukee-Mitchell are usually found in September or October, booked 13 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Denver to Milwaukee

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Milwaukee (MKE). 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 July 7, 2025.

Round-trip from

$128
(Frontier)

One-way from

$104
(Southwest)

Popular in

December

Cheapest in

September

Average price

$301

Good round-trip deal

$255 or less

Good one-way deal

$134 or less
From Denver Intl to Milwaukee-Mitchell
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One-way flight from Denver Intl 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 Denver Intl to Milwaukee-Mitchell.
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Price to beat on a one-way flight from Denver Intl to Milwaukee-Mitchell.
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Find flight deals from Denver to Milwaukee

Cheapest flights from Denver to Milwaukee
Explore the most affordable flight options available from Denver to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 2025.

This Frontier deal was found by Cheapflights users on 7/6. 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 7/6$128
This American Airlines deal was found by Cheapflights users on 7/7. 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 8/69:41 amDEN - MKE
1 stop5h 45mAmerican Airlines
Wed 8/1311:24 amMKE - DEN
1 stop7h 23mAmerican Airlines
Deal found 7/7$159
This Southwest deal was found by Cheapflights users on 7/7. 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 9/166:55 pmDEN - MKE
Nonstop2h 20mSouthwest
Thu 9/187:15 pmMKE - DEN
Nonstop2h 35mSouthwest
Deal found 7/7$177
This CheapOair deal was found by Cheapflights users on 7/7. 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 7/7$208
This Delta deal was found by Cheapflights users on 7/7. 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 10/16:05 amDEN - MKE
1 stop4h 18mDelta
Mon 10/65:50 pmMKE - DEN
1 stop5h 40mDelta
Deal found 7/7$217
This United Airlines deal was found by Cheapflights users on 7/5. 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 8/28:25 pmDEN - MKE
Nonstop2h 34mUnited Airlines
Wed 8/62:47 pmMKE - DEN
Nonstop2h 40mUnited Airlines
Deal found 7/5$227

Cheapflights Fare Finder

Customize your flight search to find flights from Denver 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 7, 2025.
Use the filters below to find and compare flights from Denver to Milwaukee that are best for you.

Fly from

Denver

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

Wed 8/6

9:41 am-4:26 pm

1 stop5h 45m

Milwaukee-Mitchell

Wed 8/13

11:24 am-5:47 pm

1 stop7h 23m

$159

DenverMilwaukee

DEN - MKE

DENMKE

Denver Intl

Tue 9/16

6:55 pm-10:15 pm

Nonstop2h 20m

Milwaukee-Mitchell

Thu 9/18

7:15 pm-8:50 pm

Nonstop2h 35m

$177

DenverMilwaukee

DEN - MKE

DENMKE

Denver Intl

Wed 10/1

6:05 am-11:23 am

1 stop4h 18m

Milwaukee-Mitchell

Mon 10/6

5:50 pm-10:30 pm

1 stop5h 40m

$217

DenverMilwaukee

DEN - MKE

DENMKE

Denver Intl

Sat 8/2

8:25 pm-11:59 pm

Nonstop2h 34m

Milwaukee-Mitchell

Wed 8/6

2:47 pm-4:27 pm

Nonstop2h 40m

$227

DenverMilwaukee

DEN - MKE

DENMKE

Denver Intl

Wed 8/20

1:15 pm-10:05 pm

2 stops7h 50m

$104

DenverMilwaukee

DEN - MKE

DENMKE

Denver Intl

Mon 7/21

3:46 pm-7:13 pm

Nonstop2h 27m

$105

DenverMilwaukee

DEN - MKE

DENMKE

Denver Intl

Mon 9/22

12:45 am-8:42 am

1 stop6h 57m

$109

DenverMilwaukee

DEN - MKE

DENMKE

Denver Intl

Sat 10/4

5:45 pm-9:08 pm

Nonstop2h 23m

$116

DenverMilwaukee

DEN - MKE

DENMKE

Denver Intl

Thu 7/17

6:00 am-5:35 pm

1 stop10h 35m

$160

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 11 results
1
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Best time to book a flight from Denver to Milwaukee

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

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to Milwaukee. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Denver to Milwaukee, you should look to book at least 13 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 month to book a flight from Denver to Milwaukee?

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

Find hourly flight availability from Denver 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 7, 2025.

It’s optimal to fly from Denver to Milwaukee in the afternoon. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Denver to Milwaukee. Price data was last updated on June 29, 2025.

Travelers seeking maximum savings on their Denver to Milwaukee flight should consider departing on Friday afternoons 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.

Weekly flight availability from Denver to Milwaukee

Explore weekly flight availability from Denver 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 7, 2025.

The most flights from DEN 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 (4 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 7, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Denver to Milwaukee. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

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
4,257 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

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
7,962 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

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
8,844 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

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
4,257 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

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
336 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

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 Denver to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Denver to Milwaukee?

    You will need to book a flight from Denver Intl to Milwaukee-Mitchell if you want to fly from Denver to Milwaukee. At least 4 different airlines have flights from Denver Intl (DEN) to Milwaukee-Mitchell (MKE) on a regular basis. There are 7 flights to Milwaukee from the Denver airport per day. If you manage to book one that is nonstop, then you can expect the flight time from DEN to MKE to be around 2h 15m.

  • How popular is this Denver to Milwaukee flight route?

    This flight path from Denver Intl to Milwaukee-Mitchell 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 flying from Denver to Milwaukee round-trip?

    Frontier, at $128, was found to be the cheapest airline from Denver to Milwaukee.Alternate airlines to your destination round-trip include American Airlines and Southwest. Frontier is 56% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $104. Frontier flights start at $105 while deals on Delta start at $109 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Denver to Milwaukee consider choosing Frontier (79%), SkyWest Airlines (73%) or United Airlines (63%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Denver to Milwaukee?

    Looking for the cheapest flight from Denver to Milwaukee? While on average our users pay $431, our data indicates the cheapest price to be $84. The most popular route (Denver Intl - Milwaukee-Mitchell), is priced around $176.

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

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

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

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

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

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

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

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

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Alternative routes for Denver to Milwaukee

See prices for flight routes from nearby airports that may be better suited for you.
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Vail to Milwaukee flights
Hayden to Minneapolis flights
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Montrose to Wausau flights
Grand Junction to Eau Claire flights
Durango to Green Bay flights
Durango to Rhinelander flights

Top 4 airlines flying from Denver to Milwaukee

Discover the top 4 airlines that operate flights from Denver 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 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$152FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$161Average$358FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$190Average$299FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$224Average$362FlexibilityNo cancel feeOn-time63%

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