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$61+ Cheap flights from Milwaukee to Denver (MKE - DEN)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — DEN
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Milwaukee-Mitchell to Denver Intl are usually found in August or September, booked 51 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Milwaukee to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to Denver (DEN). 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 28, 2025.

Round-trip from

$132
(Frontier)

One-way from

$61
(Cheapflightsfares)

Popular in

December

Cheapest in

August

Average price

$303

Good round-trip deal

$231 or less

Good one-way deal

$144 or less
From Milwaukee-Mitchell to Denver Intl
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One-way flight from Milwaukee-Mitchell to Denver Intl
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Highest demand for flights based on searches. 15% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 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 Milwaukee-Mitchell to Denver Intl.
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Price to beat on a one-way flight from Milwaukee-Mitchell to Denver Intl.
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Find flight deals from Milwaukee to Denver

Cheapest flights from Milwaukee to Denver
Explore the most affordable flight options available from Milwaukee to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This Frontier deal was found by Cheapflights users on 7/26. 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 9/88:04 pmMKE - DEN
Nonstop2h 40mFrontier
Sun 9/1410:48 amDEN - MKE
Nonstop2h 26mFrontier
Deal found 7/26$132
This United Airlines deal was found by Cheapflights users on 7/27. 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 9/116:04 pmMKE - DEN
Nonstop2h 36mUnited Airlines
Fri 9/125:48 pmDEN - MKE
Nonstop2h 23mUnited Airlines
Deal found 7/27$197
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:55 pmMKE - DEN
Nonstop2h 35mSouthwest
Wed 11/56:45 pmDEN - MKE
Nonstop2h 15mSouthwest
Deal found 7/25$207
This Delta deal was found by Cheapflights users on 7/27. 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 9/115:49 pmMKE - DEN
1 stop6h 19mDelta
Fri 9/126:05 amDEN - MKE
1 stop7h 02mDelta
Deal found 7/27$217
This American Airlines deal was found by Cheapflights users on 7/26. 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 9/411:33 amMKE - DEN
1 stop6h 10mAmerican Airlines
Sun 9/73:57 pmDEN - MKE
1 stop7h 12mAmerican Airlines
Deal found 7/26$252
This Sun Country Air 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:27 pmMKE - DEN
1 stop15h 05mSun Country Air
Sat 12/277:08 pmDEN - MKE
1 stop21h 25mSun Country Air
Deal found 7/25$265

Cheapflights Fare Finder

 
Customize your flight search to find flights from Milwaukee to Denver 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 28, 2025.
Use the filters below to find and compare flights from Milwaukee to Denver that are best for you.

Fly from

Milwaukee

Fly to

Denver

Route

Depart

Return

Price

MilwaukeeDenver

MKE - DEN

MKEDEN

Milwaukee-Mitchell

Mon 9/8

8:04 pm-9:44 pm

Nonstop2h 40m

Denver Intl

Sun 9/14

10:48 am-2:14 pm

Nonstop2h 26m

$132

MilwaukeeDenver

MKE - DEN

MKEDEN

Milwaukee-Mitchell

Thu 9/11

6:04 pm-7:40 pm

Nonstop2h 36m

Denver Intl

Fri 9/12

5:48 pm-9:11 pm

Nonstop2h 23m

$197

MilwaukeeDenver

MKE - DEN

MKEDEN

Milwaukee-Mitchell

Wed 9/10

6:15 pm-7:50 pm

Nonstop2h 35m

Denver Intl

Sun 9/14

8:20 pm-11:35 pm

Nonstop2h 15m

$207

MilwaukeeDenver

MKE - DEN

MKEDEN

Milwaukee-Mitchell

Thu 9/11

5:49 pm-11:08 pm

1 stop6h 19m

Denver Intl

Fri 9/12

6:05 am-2:07 pm

1 stop7h 02m

$217

MilwaukeeDenver

MKE - DEN

MKEDEN

Milwaukee-Mitchell

Thu 9/4

11:33 am-4:43 pm

1 stop6h 10m

Denver Intl

Sun 9/7

3:57 pm-12:09 am

1 stop7h 12m

$252

MilwaukeeDenver

MKE - DEN

MKEDEN

Milwaukee-Mitchell

Fri 10/17

7:57 pm-9:41 pm

Nonstop2h 44m

$68

MilwaukeeDenver

MKE - DEN

MKEDEN

Milwaukee-Mitchell

Thu 10/23

2:35 pm-4:11 pm

Nonstop2h 36m

$99

MilwaukeeDenver

MKE - DEN

MKEDEN

Milwaukee-Mitchell

Wed 8/27

6:15 pm-7:50 pm

Nonstop2h 35m

$109

MilwaukeeDenver

MKE - DEN

MKEDEN

Milwaukee-Mitchell

Sun 10/26

6:40 pm-9:22 am

1 stop15h 42m

$138

MilwaukeeDenver

MKE - DEN

MKEDEN

Milwaukee-Mitchell

Fri 8/29

5:28 pm-11:34 pm

1 stop7h 06m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 13 results
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The best insider tips for Milwaukee to Denver flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Milwaukee to Denver trip
Airlines
Frontier

Frontier's UpFront Plus seats guarantee an empty middle seat for added comfort.


Early morning flights have a better chance of being on time.

Read more about Frontierby Marisa Garcia
United Airlines

Basic Economy allows a personal item only; no carry-on bags without extra fees.


Economy Plus offers extra legroom seats at the front of the economy cabin.

Read more about United Airlinesby Harriet Baskas
Southwest

Southwest offers two free checked bags, including oversized items.


Southwest's open seating policy allows choosing any available seat.

Read more about Southwestby Marisa Garcia
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Best time to book a flight from Milwaukee to Denver

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

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

Use this chart to determine the optimal time to book a round-trip flight from Milwaukee to Denver. Price data was last updated on July 25, 2025.

The price you pay for your flight from Milwaukee to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Milwaukee to Denver (average of $197). Flying from Milwaukee to Denver in March is currently the most expensive (average of $278). 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 DEN?

Find hourly flight availability from Milwaukee to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

It’s typically best to fly out from Milwaukee to Denver in the evening. Doing so could potentially save you 14% on the flight price compared to flying in the morning, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Milwaukee to Denver. Price data was last updated on July 27, 2025.

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

Explore weekly flight availability from Milwaukee to Denver. 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 28, 2025.

The most flights from MKE to DEN 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 Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated July 28, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Milwaukee to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,237 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Milwaukee to Denver. 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 Milwaukee to Denver?

    Denver Intl is the airport most travelers will use when flying to Denver from Milwaukee-Mitchell. Booking flights from Milwaukee-Mitchell (MKE) to Denver Intl (DEN) should be relatively easy as there are 6 daily flights to Denver from 5 different airlines. 2h 25m is how long a flight from Milwaukee to Denver Intl will take if you book a nonstop flight.

  • How popular is this Milwaukee to Denver flight route?

    The Milwaukee-Mitchell to Denver Intl flight path was viewed by 89 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 Milwaukee to Denver round-trip?

    Cheapflights users have booked flights from Milwaukee to Denver round-trip from $132. Other airlines that can offer you cheap pricing are United Airlines, from $197, and Delta, from $217. Users have found that Frontier is 54% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $61. However, be on the lookout for offers from Southwest and Sun Country Air, as they are both options that can get you from Milwaukee to Denver for a low price.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Milwaukee to Denver on time: Southwest (73%), United Airlines (71%), SkyWest Airlines (70%).

  • What are the cheapest flights from Milwaukee to Denver?

    While on average a flight from Milwaukee to Denver is generally $710, our data shows the cheapest flight currently is $102. When looking at the most popular route, (Milwaukee-Mitchell - Denver Intl), you can expect to pay $168 for that flight.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Milwaukee to Denver (average of $197). Flying from Milwaukee to Denver in March is currently the most expensive (average of $278). 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
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Brighton
Silverthorne
Golden
Thornton
Greeley
Frisco
Grand Lake
Manitou Springs
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Broomfield

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Alternative routes for Milwaukee to Denver

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Top 5 airlines flying from Milwaukee to Denver

Discover the top 5 airlines that operate flights from Milwaukee to Denver. 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$42Average$129FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$159Average$365FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$185Average$301FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$416FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$227Average$367FlexibilityNo cancel feeOn-time63%

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