DEN - MKE

$96 Find Cheap Flights from Denver to Milwaukee

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Denver to Milwaukee departing on 5/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Milwaukee

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to Milwaukee, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to Milwaukee, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$308
Typical prices: $437-$274
Frontier
Mon 6/8Sat 6/13
DEN - MKE • 1 stop
Cheapest non-stop
$312
Typical prices: $453-$314
United Airlines
Mon 5/25Wed 5/27
DEN - MKE • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Southwest's two free checked bags save on luggage fees.
Frontier's Economy Bundle includes a carry-on and seat choice.
Expert advice
Expert advice
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Expert advice
Top airlines
Cheapest • from $308 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
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Airline reviews
Airline reviews
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Nonstop flights
You can fly direct with Southwest and United Airlines. Average duration is 2h 25m
Direct flights
Direct flights
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Direct flights
Direct flights
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When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 39% compared to booking last minute.
Insights
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Insights
When to travel
Cheapest • 30% price drop
Most popular
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We hope you love your trip to Milwaukee!
Flight Deals
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Flight Deals

Cheap Flights from Denver to Milwaukee (DEN-MKE)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Denver to Milwaukee that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Denver to Milwaukee

Mon, Jun 8 - Sat, Jun 13
Frontier Logo
9:15 am - 7:58 am
DEN
-
MKE
21h 43m
1 stop
Frontier Logo
12:08 pm - 10:16 pm
MKE
-
DEN
11h 08m
1 stop
$308Frontier
Thu, May 28 - Sun, May 31
Frontier Logo
11:54 pm - 11:14 am
DEN
-
MKE
10h 20m
1 stop
Frontier Logo
8:46 am - 11:11 pm
MKE
-
DEN
15h 25m
1 stop
$309Frontier
Mon, May 25 - Wed, May 27
United Airlines Logo
8:27 pm - 11:59 pm
DEN
-
MKE
2h 32mnonstop
United Airlines Logo
8:16 am - 10:05 am
MKE
-
DEN
2h 49mnonstop
$312United Airlines
Wed, Jun 10 - Tue, Jun 16
Southwest Logo
8:00 am - 11:30 am
DEN
-
MKE
2h 30mnonstop
Southwest Logo
7:20 am - 8:55 am
MKE
-
DEN
2h 35mnonstop
$313Southwest
Thu, Jun 11 - Mon, Jun 15
Frontier Logo
11:46 pm - 11:13 am
DEN
-
MKE
10h 27m
1 stop
Frontier Logo
12:08 pm - 10:16 pm
MKE
-
DEN
11h 08m
1 stop
$314Frontier
Tue, Sep 1 - Mon, Sep 7
Frontier Logo
11:42 pm - 11:13 am
DEN
-
MKE
10h 31m
1 stop
Frontier Logo
12:08 pm - 10:16 pm
MKE
-
DEN
11h 08m
1 stop
$315Frontier
Wed, Jun 3 - Mon, Jun 8
Frontier Logo
9:15 am - 8:01 am
DEN
-
MKE
21h 46m
1 stop
Frontier Logo
12:09 pm - 10:24 pm
MKE
-
DEN
11h 15m
1 stop
$319Frontier
Fri, Jul 3 - Tue, Jul 7
Frontier Logo
11:46 pm - 11:13 am
DEN
-
MKE
10h 27m
1 stop
Frontier Logo
8:43 am - 8:07 am
MKE
-
DEN
24h 24m
1 stop
$320Frontier
Tue, May 26 - Sat, May 30
Southwest Logo
6:00 pm - 9:35 pm
DEN
-
MKE
2h 35mnonstop
Southwest Logo
5:30 am - 7:05 am
MKE
-
DEN
2h 35mnonstop
$322Southwest
Wed, Jun 10 - Tue, Jun 16
Southwest Logo
8:00 am - 11:30 am
DEN
-
MKE
2h 30mnonstop
Southwest Logo
12:25 pm - 5:00 pm
MKE
-
DEN
5h 35m
1 stop
$323Southwest
Booking Insights

KAYAK's insights & trends for Denver to Milwaukee flights

Get data-powered insights and trends into flights from Denver to Milwaukee to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Denver to Milwaukee?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Denver to Milwaukee departing in June.

What’s the cheapest day of the week to fly from Denver to Milwaukee?

The average price of all round-trip flights from Denver to Milwaukee clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Denver to Milwaukee, look for departures on Fridays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Milwaukee, Friday is the cheapest day to fly and Sunday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Denver to Milwaukee, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Denver to Milwaukee is September, where tickets cost $253 (return) on average. On the other hand, the most expensive months are January and December, where the average cost of round-trip tickets is $451 and $435 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Denver to Milwaukee, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Denver to Milwaukee, you should book around 3 weeks before departure, which saves you about 39% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Expert advice

Expert advice for your flight from Denver to Milwaukee

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines and Frontier

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Good to know

Low seasonJanuary
Cheapest flight$96
Best time to beat the crowds but there is an average 23% increase in price.
Most popular time to fly with an average 3% increase in price.
Flight from Denver to Milwaukee

When to book flights from Denver to Milwaukee

Are your dates flexible? Find out the best times to travel from Denver to Milwaukee based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Denver to Milwaukee

  • Are there shops at DEN International Airport?

    Yes. There is a duty-free shop available for departing travelers. As you wait for the flight to leave, you can buy a few things you may need. The local goods are available at any Souvenir. There is also a boutique where you can change your make-up, buy clothes, and get skin care.

  • Are there parking services at DEN International Airport?

    Yes. There are parking areas within the airport. If you have a car and want to depart from the airport, you can leave the car at the parking, providing safety and security.

  • Does MKE Airport have baby care facilities?

    Yes. Mothers can easily breastfeed their babies on arrival at the airport. There is also a room where the mothers can change diapers and clothes for their babies on arrival. The mothers have a rocking chair to sit in as they soothe the child comfortably. These services are available to all lactating mothers regardless of their flight class.

  • Are there business facilities at MKE International Airport?

    Yes. The airport has a business center where the arriving business travelers can hold their meetings before traveling to specific destinations. There is also a conference room where they can meet and discuss business matters at the airport. The availability of the internet also enables you to connect to other partners who are not around. This is done through a mobile phone or a laptop.

  • What is the cheapest flight from Denver to Milwaukee?

    In the last 3 days, the lowest price for a flight from Denver to Milwaukee was $96 for a one-way ticket and $308 for a round-trip.

  • Do I need a passport to fly between Denver and Milwaukee?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from Denver to Milwaukee?

    Denver airport is called Denver Intl and the only airport in Milwaukee is Milwaukee-Mitchell.

  • Which airlines offer Wi-Fi service onboard planes from Denver to Milwaukee?

    JetBlue, and American Airlines offer inflight Wi-Fi service on the Denver to Milwaukee flight route.

  • Which aircraft models fly most regularly from Denver to Milwaukee?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Denver to Milwaukee flight route.

  • Which airline alliances offer flights from Denver to Milwaukee?

    Star Alliance is the only airline alliance operating flights between Denver and Milwaukee.

  • On which days can I fly direct from Denver to Milwaukee?

    There are nonstop flights from Denver to Milwaukee on a daily basis.

  • Which is the best airline for flights from Denver to Milwaukee, Southwest or United Airlines?

    The two airlines most popular with KAYAK users for flights from Denver to Milwaukee are Southwest and United Airlines. With an average price for the route of $388 and an overall rating of 7.9, Southwest is the most popular choice. United Airlines is also a great choice for the route, with an average price of $385 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Denver to Milwaukee?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Denver to Milwaukee.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Denver to Milwaukee?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Milwaukee from Denver is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Denver to Milwaukee?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Milwaukee with an airline and back to Denver with another airline. Booking your flights between Denver and MKE can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Denver to Milwaukee?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Milwaukee from Denver up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Denver to Milwaukee

  • Looking for a cheap flight? 25% of our users found flights on this route for $258 or less one-way and $377 or less round-trip.
  • Denver International Airport (DEN) offers services to the disabled. It has accessible changing rooms that favor people with reduced mobility. The entire place is also wheelchair accessible. It provides wheelchairs to travelers with physical challenges. You only need to contact the airline before the day of traveling to get the service.
  • DEN International Airport also offers business services to departing travelers. It has a business center where you can hold your business meeting with other partners before departing from the airport. There is also the availability of internet that enables you to connect to partners who are far away. This can be through your laptop or your mobile device.
  • DEN International Airport has lounges. You can purchase a day pass to access any of the lounges at the airport. If you are a member, you enter any lounge and pay for the service. There is a resting place for the departing travelers. There are also drinks, snacks, and food. Every traveler is eligible for the service regardless of their flight class.
  • Milwaukee Airport (MKE) offers ground transportation to arriving travelers. They have public transport for the travelers who at times use that. There are also taxis within the airport that you can use on arrival. The airport also has car rental services. For those who would wish to have a car during their period of adventure, cars and taxis are available for you.
  • MKE International Airport has lounges that travelers on arrival can access. You can use a membership pass or pay as you use the lounge. The lounges include Delta Air Lines, Delta Sky Club, and the USO Lounge. You can have a rest on arrival at the airport. There are also food, snacks, and drinks available.

Prefer to fly direct from Denver to Milwaukee?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Denver Intl to Milwaukee-Mitchell.
Find which airlines fly direct from Denver Intl Airport to Milwaukee-Mitchell Airport, which days they fly and book direct flights.

Direct departures

Denver Intl to Milwaukee-Mitchell

Monday

Southwest,United Airlines

Southwest,United Airlines

Tuesday

Southwest,United Airlines

Southwest,United Airlines

Wednesday

Southwest,United Airlines

Southwest,United Airlines

Thursday

Southwest,United Airlines

Southwest,United Airlines

Friday

Southwest,United Airlines

Southwest,United Airlines

Saturday

Southwest,United Airlines

Southwest,United Airlines

Sunday

Southwest,United Airlines

Southwest,United Airlines

See more direct flights

Direct returns

Milwaukee-Mitchell to Denver Intl

Monday

Southwest,United Airlines

Southwest,United Airlines

Tuesday

Southwest,United Airlines

Southwest,United Airlines

Wednesday

Southwest,United Airlines

Southwest,United Airlines

Thursday

Southwest,United Airlines

Southwest,United Airlines

Friday

Southwest,United Airlines

Southwest,United Airlines

Saturday

Southwest,United Airlines

Southwest,United Airlines

Sunday

Southwest,United Airlines

Southwest,United Airlines

See more direct flights

Reviews of the top 3 airlines serving from Denver to Milwaukee

 
See real verified KAYAK customer reviews for airlines flying from Denver to Milwaukee. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Denver to Milwaukee? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
SouthwestOverall score based on 4300 reviews
7.0Food
8.1Boarding
7.5Entertainment
8.6Crew
8.0Comfort
Airline reviews

I'm glad it wasn't only 75% full because I could get a good seat

8.0 ExcellentBobby, May 2026
BNA - GSP
Read more Southwest reviews

I'm glad it wasn't only 75% full because I could get a good seat

if I was good. Not happy that I have to pay extra money to get the seat I need for lake room, but I guess that’s a sign of the times.

Seats were very comfortable. They tilted back. Drinks and snacks were free and served 3 times. Attendants were awesome.

Plane was clean and comfortable. Flight attendants and gate staff were professional, friendly and efficient. Boarding and deplaning were orderly and efficient. All in all, the typical excellent Southwest experience.

Truly terrible. Will never willingly fly southwest again. Seats are worse than before they switched to assigned seating. One flight attendant was the opposite of helpful (rude, unhelpful, dismissive, and as my stranger seatmate said unprompted: a total prick). This caused me, 15 minutes into the flight, to book an alternate return flight home on a competing airline (first class 1.2k purchase instead of my existing planned flight) just so I would not have to ever be on that aircraft, with that terrible service person, with those horrific seats ever again.

Not having a five hour delay with little notice! The crew was very kind, though, and just as tired as we passengers were. The flight didn't depart until nearly 1 am...and no reason was ever given.

The entire experience from boarding to landing was amazing! The crew were very friendly. Will definitely be back.

no service at all due to turbulence. they should've at least given us snacks, there were only 10 people on the entire flight.

First time I've had to use the disabled accommodations. And I could not have had a better experience with Southwest, i was having trouble getting from one terminal to another due to my heart failure. And the next thing I know a Southwest agent had made sure. I had a wheelchair at all my flights. Can't thank them enough.

Delayed flight, lack of information, boarding process is a mess as is the carryon luggage causing issues when leaving the plane….just a poor experience.

O’hsre taxi and deboarding took 40 minutes. Needed 20 minutes extra time between connecting flights to avoid running through terminal.

Was great in general, try to respect time and excuses when slight changes have been made, appreciated!

Really hard landing... as in slammed into the runway then hit the brakes really hard ...

Every staff member was professional, friendly and courteous. The pizza twist was ok. It was warm but too much dough.

Wonderful in-seat entertainment with seatback screens and huge selection of quality movies. The ability to bluetooth connect headphones was amazing.

Flight left on time and we arrived 25 minutes early! There was a gate available when we arrived so early on a busy Sunday afternoon! Flight attendants came around twice with the drinks cart.

Sitting on the runway after we land for almost two hours! Not sure if we should blame United or Just Dumpy Vance.

Flight was late - I was downgraded from first class to coach

Crew seemed a bit cranky. No seatback screens. But boarding was efficient and on time and we arrived early.

See previous note about the passenger in Denver who threw my husband's bag out of the overhead bin in order to maker room for his own. And the flight attendant back up the new passenger.

The staff at the check in counter was so rude. Made you feel Incompetent

Frontier scheduled a 40 minute connection in DEN. What they failed to mention was that they “close the doors” 20 mins prior to departure, which means you only have 20 mins. Not enough time. Possibly against DOT regulations. Filing complaint.

Flight was scheduled at 9:40pm. Got delayed to 10 am, the next day. crazy

The bag check, flight check-in, and onboard experience convinced my wife and me that we will actively go out of our way to avoid flying Frontier Airlines in the future. At bag check, we were informed that check-in could only be completed via the Frontier mobile app. Unfortunately, the app was extremely frustrating—sending us through repetitive, confusing loops that repeatedly forced us to decline add-on services with nearly every click. While most airline apps upsell, this one felt intentionally exhausting. As the process dragged on, we became genuinely concerned that my phone battery would die before check-in could be completed. We approached the bag check staff—who were standing together talking—and explained both our frustration and our predicament. They laughed. Later, my wife described the interaction as “gaslighting,” which felt accurate. We were then informed it would cost $25 per person simply to have our boarding passes printed. From that point forward, the tone of the experience was consistently hostile. The bag check employees were condescending and combative, behaving more like bullies than customer service staff. Unfortunately, that same attitude continued onboard. One flight attendant argued with me when I attempted to stow my backpack in the overhead bin. I explained that we had each paid $75 to check our bags specifically so we would not need to use carry-on space and could have adequate legroom. She demanded to see my ticket, pointed out that it said “no carry-on”—which I acknowledged—and I reiterated that this was precisely why we paid to check our bags. Her response was, “I don’t make the rules.” She then walked away, but not before asking if I “truly wanted to fly back to Chicago today?”—an unnecessary and unmistakable threat. It is also worth noting that despite booking our tickets together in the same transaction, we were not seated together. Upon our return to Chicago—where we could once again sit together—we compared onboard experiences. We both remarked on how unhappy the flight attendants appeared and how each of us was separately asked whether we would like to purchase a beverage. We declined. At no point was water mentioned as an option, leaving us with the clear impression that even water came at a cost—or that complimentary water, if available at all, was deliberately left unmentioned. Overall, the experience was shocking and deeply disappointing, but it was also a profound learning experience—one we will not forget and will not repeat. -Steve

Plane was hot and miserable and the crew was rude!

12 hour delay required getting on and off plane 3 times - would have at least liked to have been offered a snack or drink

They didn’t offer a water, even after I asked

They switched our terminal 3 times and we were delayed for four plus hours!!!

It was an early flight and most people napped/slept and the crew let us which was nice.

The crew acted like they had never done this and kept barking passive aggressive orders at people. + the security line + the delay + sitting on the tarmac for 2 hours + none of the apps or signage updating with correct times

Everything you need to know for your flight from Denver to Milwaukee

Other airlines flying from Denver to Milwaukee

Flights from the other most popular airlines that fly from Denver to Milwaukee according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.