DEN - MKE

$54 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 1/25. 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
$142
Overall average: $373
Frontier
Thu 1/15Sun 1/18
DEN - MKE • 1 stop
Cheapest non-stop
$245
Typical prices: $149-$425
Frontier
Tue 11/25Sat 11/29
DEN - MKE • Non-stop
Our travelers' advice
AI-generated summary based on content written by travel experts
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
Expert advice
Expert advice
Video guide: How to find cheap flights to Milwaukee
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When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 17% compared to booking last minute.
Insights
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Insights
Insights
When to travel
February
Cheapest • 29% price drop
October
Most popular
Good to know
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We hope you love your trip to Milwaukee!
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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

Thu, Jan 15 - Sun, Jan 18
Frontier Logo
6:38 pm - 6:47 pmDEN-MKE
23h 09m1 stop
Frontier Logo
7:40 pm - 7:55 amMKE-DEN
13h 15m1 stop
$142Frontier
Find Deal
Thu, Dec 4 - Sun, Dec 7
Frontier Logo
6:31 pm - 5:09 pmDEN-MKE
21h 38m1 stop
Frontier Logo
6:09 pm - 8:24 amMKE-DEN
15h 15m1 stop
$143Frontier
Find Deal
Thu, Jan 8 - Sun, Jan 11
Frontier Logo
12:59 am - 10:29 amDEN-MKE
8h 30m1 stop
Frontier Logo
7:40 pm - 7:50 amMKE-DEN
13h 10m1 stop
$146Frontier
Find Deal
Fri, Jan 9 - Sun, Jan 11
Frontier Logo
6:31 pm - 6:45 pmDEN-MKE
23h 14m1 stop
Frontier Logo
7:40 pm - 11:04 pmMKE-DEN
28h 24m1 stop
$178Frontier
Find Deal
Thu, Dec 11 - Sun, Dec 14
Frontier Logo
6:31 pm - 5:09 pmDEN-MKE
21h 38m1 stop
Frontier Logo
6:09 pm - 8:24 amMKE-DEN
15h 15m1 stop
$181Frontier
Find Deal
Wed, Jan 21 - Mon, Jan 26
Frontier Logo
12:59 am - 6:45 pmDEN-MKE
16h 46m2 stops
Frontier Logo
10:48 am - 9:38 pmMKE-DEN
11h 50m1 stop
$183Frontier
Find Deal
Fri, Jan 23 - Sun, Jan 25
Frontier Logo
11:59 pm - 5:04 pmDEN-MKE
16h 05m1 stop
Frontier Logo
7:40 pm - 3:55 pmMKE-DEN
21h 15m1 stop
$184Frontier
Find Deal
Wed, Dec 10 - Fri, Dec 12
Multiple Airlines Logo
11:59 pm - 9:39 amDEN-MKE
8h 40m1 stop
Multiple Airlines Logo
6:09 pm - 8:24 amMKE-DEN
15h 15m1 stop
$188Multiple Airlines
Find Deal
Thu, Dec 4 - Thu, Dec 11
Multiple Airlines Logo
6:31 pm - 5:09 pmDEN-MKE
21h 38m1 stop
Multiple Airlines Logo
10:34 am - 9:02 amMKE-DEN
23h 28m2 stops
$191Multiple Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14
Multiple Airlines Logo
11:59 pm - 9:39 amDEN-MKE
8h 40m1 stop
Multiple Airlines Logo
6:09 pm - 8:24 amMKE-DEN
15h 15m1 stop
$193Multiple Airlines
Find Deal
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.

Find cheap flights to Milwaukee
Find cheap flights to Milwaukee

Planning a trip from Denver to Milwaukee? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.

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 Thursdays 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 February, where tickets cost $217 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is $398 and $373 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 17% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Expert advice

Expert advice for your flight from Denver to Milwaukee

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-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.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Southwest

Southwest offers free carry-on and personal item, but checked bags now incur fees.


Southwest's cancellation policy allows changes up to 10 minutes before departure with travel credit or refund.

Read more about Southwestby Blane Bachelor
United Airlines

United's Economy Plus offers up to six inches more legroom, enhancing comfort.


United offers Wi-Fi for streaming; check coverage before purchasing.

Frontier

Frontier's Economy Bundle includes a carry-on and seat choice, ideal for budget travelers.


Choose Premium Bundle for extra legroom and priority boarding, just $20 more than Economy.

Read more about Frontierby Stefanie Waldek
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor

Blane Bachelor

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.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines and Frontier

Stefanie Waldek

Stefanie Waldek

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.

Read more

Good to know

Low seasonJanuary
Cheapest flight$54
Best time to beat the crowds but there is an average 21% increase in price.
Most popular time to fly and prices are also 10% lower on average.
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 $54 for a one-way ticket and $142 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?

    Only American Airlines offers inflight Wi-Fi service on the Denver to Milwaukee flight route.

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

    The Boeing 737-800 Passenger/BBJ2 (winglets) is the aircraft model that flies most regularly on the Denver to Milwaukee flight route.

  • Which airline alliances offer flights from Denver to Milwaukee?

    oneworld, and Star Alliance are the airline alliances operating flights between Denver and Milwaukee, with oneworld being the most commonly used for this route.

  • 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 $357 and an overall rating of 8.0, Southwest is the most popular choice. United Airlines is also a great choice for the route, with an average price of $370 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 $145 or less one-way and $215 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 4 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.
8.0
SouthwestOverall score based on 4240 reviews
7.0Food
8.0Comfort
8.6Crew
7.5Entertainment
8.1Boarding
Airline reviews

Plane crashed into a bus or some other vehicle on the ground while pulling out of the gate. No injuries, but wing tip was damaged and returned to gate for “maintenance issues” and we departed 5 hours later because the plane went out of service and new plane was flown in from a nearby airport, Midway.

2.0 MediocreAnonymous, Nov 2025ORD - LAS
Read more Southwest reviews

Plane crashed into a bus or some other vehicle on the ground while pulling out of the gate. No injuries, but wing tip was damaged and returned to gate for “maintenance issues” and we departed 5 hours later because the plane went out of service and new plane was flown in from a nearby airport, Midway.

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Full cans of soda would be nice. A choice between two snacks would be appreciated.

Tried watching free movie and it kept freezing so I couldn’t finish.

All was good. I just had a hard time getting connected to the WiFi/internet during the flight

Sacrament staff are always polite and helpful. Airport is easy to maneuver and boarding is straightforward.

Great flight. Outstanding Service. Southwest was able to put us on a direct flight to Denver when the connection could have been affected by a later arrival to Baltimore. The direct flight was less expensive that the flight with the connection in Baltimore.

Delays delays delays. Late taking off, late landing, wait for a gate, etc.

Boarded on time but once we were ready for take off, the crew determined that, although every seat was taken, somehow someone was on the wrong flight. Delay, delay delay, announcements and ended up with one person checking EVERY ID against their passenger Manifest only to figure out it was a "clerical error." We departed 54 minutes late causing me to run in the St. Louis Airport to make my connection and lose the priority boarding spot I had paid for. Unnecessary delay.

I was re-booked onto another flight because my original flight was delayed and I would have missed my connector. I ended up in the “C” group after paying extra to be in the “A “ group on the original flight. At least if you’re going to re-book people, re-book them into the same group.

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.

Terrible. They wouldn't allow me on my flight on the 14th..

Impressed with the service despite turbulence because of the weather. Both flights arrived before their scheduled times.

Great experience…left a bit behind schedule but made up fir that in the air and landed 10 minutes early 😁

Deplaning was delayed because of Jetbridge equipment issues in MKE, causing an issue on an otherwise great flight.

Electric plugs didn't work. Entertainment system wasn't working

The design of the light switch on the arm rest is ridiculous.

The gate attendant let me walk right by her with a bag too big for the overhead compartment

Overall, it was a good experience. Boarding was good and there was plenty of overhead bin space for everyone’s carryons (even when we boarded toward the end). Only improvement would be to offer trash service more regularly.

We loved the steward on the plane. He made the night enjoyable

I enjoyed the extra leg room compared to other airlines. The first stewards made my daughter’s birthday special by giving her an extra snack. Then the last one coming home from Chicago to Appleton made our night really enjoyable Thanks for making our trip enjoyable

The flight was smooth, the pilot kept us informed about delays and we arrived more of less on time

Flight delay was communicated before leaving for airport which caused it to be a non-event. Great flight and crew!

Did not get any refreshments. Crew was very nice but limited. Small seats

Wish some foods provided rather than just biscuit/cookie for flight more than 2 hours

Wish a flight with more than 2 hours with some snack rather than just cookie/biscuit.

The flight attendant, a black woman with curly hair who sat near Row 21, was wonderful and kind.

It was good..clean, comfy seat. Friendly warm welcoming crew. Was able to check my cabin luggage at the gate which I was able to pickup in a decent time from baggage claim. The app gave all updates from delays to baggage claim info. Overall smooth flight.

Flight was delayed leaving Dallas. Arrived about 2 hours later than scheduled.

There was no one at the counter to assist with our check in. The app didn’t work, so I arrived at the airport with time to check in and I couldn’t because no employees were there. When I finally got someone on the phone, it was inside the 60min rule and they said I could no longer check in and they could sell me another ticket. We had to scramble and pay an additional $800 for tickets and THEN AFTER (about 60 min from my original convo with customer service and 10min after original departure time) I had boarded my new flight, there was email saying my original flight from Frontier was delayed and leaving 2hr 50min later, but I STILL wouldn’t have been able to check in. Which means customer service should have been able to see it and let me check in because I was well within my check in time. When I call Frontier, they hang up on me. So their app didn’t work and they employees left and they take zero responsibility or assistance with their “customer service”

Terrible. Flight cancelled with no reasoning and no flights to rebook. Employees were useless and did nothing to help. Did not even know where to retrieve luggage from the cancelled flight. Flyers beware.

No fault of Frontier staff: plane was very late, reached Orlando at 1 am, took a while to get luggage. Weather, gov financial shutdown impact on TSA, air controllers seemed to have multiple flights backed up. Frontier staff seemed to cope as gracefully as possible. It did reassure me that I and my new hip could adapt to travel challenges. Food/entertainment were irrelevant to my trip.

Terrible. The canceled my entire flight when I requested a refund for a trip frontier canceled trip one way.

Boarding was on time and plane departed as scheduled. There are obviously no amenities (food, drink, entertainment) on Frontier, but there also didn't seem to be any issues with luggage space either.

Inbound plane was on time and flight departed on time with no issues while boarding.

Frontier is the Walmart of airlines. Frontier has removed adjustability and comfort from their seats to make the flight lighter and save gas. This makes it impossible to sleep on their flights. Their customer service is abysmal. Once, I bought a drink on the plane, and they swiped my credit card on the plane to pay for it. Then I got three weeks of daily notices from my bank telling me they tried to charge the wrong card number over and over again. I tried to call them, but they removed the ability to actually talk to someone that can resolve such a problem from their company to cut corners. The only way to talk to someone in person is to go to the check-in counter at the airport (40 minutes drive from my house). Eventually their system gave up on trying to charge the card, after 21 days of repeated tries. They don't pad their prices even a little to handle customer service issues like missed flights. They also have a blanket policy preventing helping you reschedule a missed flight if their system says you "cancelled" your own flight online. This is a major problem because their website is broken on mobile devices, the only web browser you have at the airport when their gate staff tell you that you have to reschedule your own missed flight online because they can't help you. I tried to reschedule my flight on my android device and instead, their website crashed and "cancelled" my missed flight. When I got to the counter, the agent argued with me for 5 minutes insisting that I intentionally cancelled my own flight (implying I had to buy another flight). She missed the point: the problem was that I could not buy another flight because their website is broken. I left to avoid more conflict with the "customer service" agent. I tried to redress my issue with their only other "customer service" chanel available: the contact form on their website. The response I got was more of the same: you cancelled your own flight, according to our website / computer records, therefore we won't help you. I was trying to explain the problem with their broken website that cost me hundreds of dollars by crashing / malfunctioning and resulting in a cancelled flight, but they only had deaf ears for this problem. Worst customer service I have ever experienced. I will never buy another Frontier flight again, because it is a risky, painful move that I will likely regret often.

What I expected, nickeled and dined and a frontier flight attendant loudly complained about her job and lack of communication as she headed to the gate on her cell phone. Not professional.

I’m not gonna fly Frontier Airlines because booking is not an option. No water or food is for high price, not equipped for health emergency incompetent crew for emergency services. Cheap airline shows it is cheaper in all service categories. Boarding is the best of all airlines!

Very bad! No good service delayed my second connection flight

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.