MKE - DEN

$80 Find Cheap Flights from Milwaukee to Denver

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Milwaukee to Denver departing on 4/11. 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 Denver

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Milwaukee to Denver, 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 Milwaukee to Denver, as well as popular online travel agencies
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41.299.237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$235
Overall average: $254
Frontier
Mon 2/23Thu 2/26
MKE - DEN • 2 stops
Cheapest non-stop
$237
Typical prices: $58-$386
Southwest
Tue 2/17Tue 2/24
MKE - DEN • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
Frontier's Economy Bundle includes a carry-on and seat.
Southwest offers two free checked bags, saving costs.
Expert advice
Expert advice
Expert advice
Expert advice
Video guide: How to find cheap flights to Denver
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Top airlines
Frontier
Cheapest • from $235 (round-trip)
Southwest
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 4% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 21% price drop
July
Most popular
Good to know
Good to know
+1
+1
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+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Denver!
Flight Deals
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Flight Deals

Cheap Flights from Milwaukee to Denver (MKE-DEN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Milwaukee to Denver 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 Milwaukee to Denver

Mon, Feb 23 - Thu, Feb 26
Frontier Logo
8:11 pm - 9:41 pm
MKE
-
DEN
26h 30m
2 stops
Frontier Logo
7:24 pm - 9:43 am
DEN
-
MKE
13h 19m
1 stop
$235Frontier
Tue, Feb 17 - Tue, Feb 24
Southwest Logo
6:10 pm - 7:50 pm
MKE
-
DEN
2h 40mnonstop
Southwest Logo
10:45 am - 2:00 pm
DEN
-
MKE
2h 15mnonstop
$237Southwest
Fri, Mar 20 - Wed, Mar 25
Frontier Logo
7:46 pm - 9:34 pm
MKE
-
DEN
2h 48mnonstop
Frontier Logo
2:30 pm - 1:02 pm
DEN
-
MKE
21h 32m
1 stop
$239Frontier
Tue, Feb 17 - Sat, Feb 21
Frontier Logo
4:39 pm - 10:59 pm
MKE
-
DEN
31h 20m
1 stop
Frontier Logo
8:55 am - 6:52 pm
DEN
-
MKE
8h 57m
1 stop
$242Frontier
Fri, Mar 6 - Tue, Mar 10
Frontier Logo
10:48 am - 10:59 pm
MKE
-
DEN
13h 11m
1 stop
Frontier Logo
11:59 pm - 7:30 am
DEN
-
MKE
30h 31m
1 stop
$243Frontier
Fri, Mar 13 - Mon, Mar 16
Frontier Logo
10:37 am - 11:04 pm
MKE
-
DEN
13h 27m
1 stop
Frontier Logo
2:49 pm - 6:20 pm
DEN
-
MKE
2h 31mnonstop
$244Frontier
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
3:47 pm - 11:59 pm
MKE
-
DEN
9h 12m
1 stop
Multiple Airlines Logo
3:22 pm - 6:51 pm
DEN
-
MKE
2h 29mnonstop
$246Multiple Airlines
Fri, Mar 6 - Sun, Mar 8
Frontier Logo
10:48 am - 10:59 pm
MKE
-
DEN
13h 11m
1 stop
Frontier Logo
12:13 am - 5:02 pm
DEN
-
MKE
15h 49m
1 stop
$247Frontier
Fri, Mar 6 - Sun, Mar 8
Frontier Logo
7:46 pm - 9:34 pm
MKE
-
DEN
2h 48mnonstop
Frontier Logo
11:59 pm - 10:03 am
DEN
-
MKE
9h 04m
1 stop
$248Frontier
Tue, Feb 17 - Wed, Feb 25
Frontier Logo
4:39 pm - 11:17 pm
MKE
-
DEN
31h 38m
2 stops
Frontier Logo
11:59 pm - 6:42 pm
DEN
-
MKE
17h 43m
1 stop
$251Frontier
Booking Insights

KAYAK's insights & trends for Milwaukee to Denver flights

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

Find cheap flights to Denver
Find cheap flights to Denver

Planning a trip from Milwaukee to Denver? 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 Milwaukee to Denver?

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

When flying from Milwaukee to Denver, you should consider leaving on a Friday and avoid Sundays if you are looking for the best rates. For your return to Milwaukee, you’ll find the best rates on Thursdays and the most expensive ones on Sundays.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Milwaukee to Denver, 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 Milwaukee to Denver is February, where tickets cost $254 (return) on average. On the other hand, the most expensive months are January and December, where the average cost of round-trip tickets is $406 and $384 respectively.

Can I save money by flying with a layover from Milwaukee to Denver?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $417, prices are generally cheapest when you fly direct.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Milwaukee to Denver, 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 Milwaukee to Denver, you should book around 3 weeks before departure, which saves you about 4% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

Expert advice

Expert advice for your flight from Milwaukee to Denver

 
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$80
Best time to beat the crowds but there is an average 26% increase in price.
Flight from Milwaukee to Denver

When to book flights from Milwaukee to Denver

Are your dates flexible? Find out the best times to travel from Milwaukee to Denver 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 Milwaukee to Denver

  • How can I fly from MKE to DEN?

    United Airlines and Southwest both operate several non-stop flights every day. Frontier and Delta operate several one stop flights from MKE to DEN every day. Layovers for these flights occur in cities such as Minneapolis (MSP), Las Vegas (LAS), and Detroit (DTW).

  • Is there a USO at MKE?

    MKE is proud to offer a USO lounge located pre-security in the main terminal that serves as a place where military members can relax and regroup while they travel. In the lounge, military members can watch TV, read, relax, use the computer, and enjoy beverages and snacks. This lounge is available to any active-duty military traveler. The USO is open from 8 am to 8 pm Monday and Tuesday and from 8 am to 6 pm on Wednesday through Sunday.

  • Does MKE provide designated areas where children can play as they wait for their flight?

    Yes. There is a children's play area in every terminal in the MKE airport. These play areas feature small tunnels, slides, and airplanes that are soft, easy to climb on, and safe.

  • Does MKE offer designated spaces for nursing mothers?

    MKE has installed Mamava pods in the main terminal across from the Miller Brew House, at Bronzeville on Concourse C, and near the children's play area on Concourse D. A Mamava pod is a free standing 4x8 cabin made of fiberglass and Corian where a nursing mother can have some privacy to either breastfeed or pump. These sanitized areas feature comfortable seating, a fold down shelf, a mirror, a power outlet, and a USB outlet. On Concourse D, MKE also provides a Nursing Room.

  • What is the cheapest flight from Milwaukee to Denver?

    In the last 3 days, the lowest price for a flight from Milwaukee to Denver was $80 for a one-way ticket and $235 for a round-trip.

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

    A passport is not required to fly from Milwaukee to Denver.

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

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

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

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

  • Which airline alliances offer flights from Milwaukee to Denver?

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

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

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

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

    The two airlines most popular with KAYAK users for flights from Milwaukee to Denver are Southwest and Delta. With an average price for the route of $367 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $448 and an overall rating of 7.9.

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

    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 Milwaukee to Denver.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Milwaukee 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 Milwaukee to Denver?

    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 Denver with an airline and back to Milwaukee with another airline. Booking your flights between Milwaukee and DEN 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 Milwaukee to Denver?

    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 Denver from Milwaukee 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 Milwaukee to Denver

  • Looking for a cheap flight? 25% of our users found flights on this route for $179 or less one-way and $338 or less round-trip.
  • At the Denver International Airport (DEN), when you land, you'll find many shops where you can pick up things that you need before you start your Denver visit. To stock up on toiletries that airline restrictions prevent you from taking on a plane, check out any of the many gift shops and newsstands, including Peak News and Gifts. If you are visiting a friend in Denver and want to give them a nice bottle of perfume or liquor, consider shopping at Denver Duty Free before you leave the airport.
  • Milwaukee Mitchell International Airport (MKE) provides facilities with adult changing tables for adults and their caregivers. These adult-sized, height-adjustable changing stations can be found in the public restrooms in the Main Terminal and Concourse D.
  • If you want to get the kinks out once you arrive in Denver from Milwaukee, you can get a massage at DEN in one of the concourse spas. The A Massage spa is in Concourse B on the mezzanine level. The Colorado Oasis spa is at the C gates of the center core. At either of these places, you can receive relaxing treatments before you head into Denver.
  • In Denver, the RTD supplies the A-line bus in order to get passengers from DEN into Denver. This is an affordable option, as is the train. Trains leave DEN headed into downtown Denver about 3 times an hour.
  • There are several animal relief service areas located at in the DEN terminals. These relief stations are usually found approximately in the middle of where all the gates are in Terminals A, B, and C. If you are in the Jeppesen Terminal, you will need to go to level 2, on the northwest side, to find the relief area.

Prefer to fly direct from Milwaukee to Denver?

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

Direct departures

Milwaukee-Mitchell to Denver Intl

Monday

Southwest, United Airlines, Frontier

Southwest, United Airlines, +1 more

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, Frontier

Southwest, United Airlines, +1 more

Saturday

Southwest, United Airlines

Southwest, United Airlines

Sunday

Southwest, United Airlines

Southwest, United Airlines

See more direct flights

Direct returns

Denver Intl to Milwaukee-Mitchell

Monday

Southwest, United Airlines, Frontier

Southwest, United Airlines, +1 more

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, Frontier

Southwest, United Airlines, +1 more

Saturday

Southwest, United Airlines

Southwest, United Airlines

Sunday

Southwest, United Airlines

Southwest, United Airlines

See more direct flights

Reviews of the top 5 airlines serving from Milwaukee to Denver

 
See real verified KAYAK customer reviews for airlines flying from Milwaukee to Denver. 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 Milwaukee to Denver? 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 4266 reviews
7.0Food
8.1Boarding
8.6Crew
7.5Entertainment
8.0Comfort
Airline reviews

Great flight but super high price. Glad it was a business trip and not personal

10.0 ExcellentPieter, Jan 2026
LGB - DAL
Read more Southwest reviews

Great flight but super high price. Glad it was a business trip and not personal

On time. Friendly staff. Took to long to pre bord all the specialty groups. Cramped small plane

The seats were comfortable, and the boarding process was pretty smooth.

3 hour delay. Had to change plans and was still delayed.

The staff was very friendly, professional, and courteous. The overall flight was a great experience.

The crew canceled the complementary snack and drink in anticipation of turbulence that never materialized. I was counting on the drink (water) to take the the doses of medication - prescribed for my heart condition - that were due during the flight. Since no snack or meal was served on this flight, I cannot rate the food quality. Otherwise, this flight was excellent.

Departure was delayed more than 1/2 hour while we waited for luggage (only) transfer from another flight/plane. Once approved for takeoff, the flight was excellent.

We got exit row seats both flights. Everything was running on time

The flight crew was extremely rude and especially not helpful when our flight was delayed.

Pretty seamless, just a tad bit late in taking off and landing.

There was no wifi available on this flight. And there were no screens, no onboard entertainment, no entertainment options at all. It was like travelling in the 1990s again, except without even a main screen for options. Seats, as usual, were tight and uncomfortable.

Good seat comfort ORF to ATL. Bad seat ATL to SEA (terrible lumbar support, hard, ouch)..

Because I was moved to an exit row, the snacks in economy comfort, the selection of snacks was better.

I upgraded to first. Quick and easy boarding. Comfortable seat with power and a nice IPA.

Probably not the fault of Delta but there was delay after delay after delay and I ended up getting home 4 hours later then I should have at 1:30 in the morning

No in flight service, no explanation - FC got service, C+ did not, unsure about Economy. No turbulence to speak of, so I guess another way to cut cost, or promote health and well being of Delta employees? Also, boarding in MEM combined zones, and with overhead space already full on both flights after Zone 2/ Diamond, presents a huge challenge to find a space for a bag. Delta, other than point A to B, is no longer reasonable to fly - very poor experiences, not even taking into account the chastising at the gate and rude crews, across the board.

It would have been better if the flight wasn't delayed by 2.5 hours

Delta’s staff is unmatched. From the gate agents, to the pilots, to the flight attendants… all top of the industry.

Delta flight Delay for ,more that two hours i.e original flight was 6.30 PM and it starts at 8.45 PM, When we connect Delta team for meal vouchers as it is late arrival in designation,But we did not get it as per delta policy , which is not good for mid night arrival,

Inexperienced boarding crew allowed too many bags on to a full flight and delayed takeoff causing a missed connection and unplanned overnight stay. There was a hotel at the airport but Delta would not pay for it offering only to shuttle me to an area hotel. Never even offerred so much as an apology by anyone working for Delta.

The flight was delayed by two de-icings. The seatbelt did not work correctly. It did not stay tight.

Hotter than Hades in August. Why, why do crews think that in the winter when we are already dressed for cold weather we need a cabin that is 82 degrees. Even the vents were blowing hot air.

Flight was delayed. De-icing took a while. When we landed had to wait for another plane to vacate our gate. Just an overall bad experience.

Not good - outbound flight was delayed and missed my connection even though I got to the gate after running through the airport - the agent would not let me on because the door was closed (flight had not left). There was no notification from United - overall experience was very disappointing. Additionally, I was downgraded from first class to coach on the alternative flight

United have really come back. Airport and boarding process is clear and good, app and information also very good

The entertainment available didn’t work for anyone on the flight. Long 6 hr flight with no entertainment option and the staff didn’t know until an hour into the flight when we made sure they knew about it. They had no way to fix it.

Late FA meant slow boarding. WiFi did not work. I’m a medium plus sized passenger. The seatbelt was for the first time ever barely fitting. And we delayed on the tarmac 40 min

My husband and I had boarded the flight from Denver to Chicago, and one of the last passengers to get on the plane opened the overhead bin above my husband's seat and threw his bag out of the bin to make space for his own. He said, "Mine is bigger!" The flight attendant supported the new passenger. They didn't care that my husband has two artificial knees and must have the foot room in front of his seat to be able to fit his legs in -- and to be able to stand, much less walk, at the end of the flight. I have never seen this happen before, and it was a disaster.

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

Had to cancel first flight because Airporter Bus took over 3 hrs to get to airport which resulted in an extra $378 dollar fare . Is there anyway I can be reimbursed for initial fare since it was not my fault? Sent from my iPhone EJ Ledet

Could we please end the loud announcements about credit card offers on your flights? We are trying to sleep, work, watch videos, etc. and if we need a credit card, we will ask for one. Flying is already not what it used to be.

I would like the crew to talk LESS over the PA and specifically about credit card offers. I am trying to work, sleep, watch a movie and the PA was booming about a credit card offer. Could we go back to the days when the customer was more important than selling a credit card?

No enough space plus only allowing one laggage instead of two like other airlines.

It was good. But the gate team made me check my carry on when there was plenty of space for my luggage on the plane. Otherwise our trip was fine.

The entertainment options were at best, fair. It was exactly the same as my outbound flight. It would have been more entertaining if there were some series from Apple TV, HBO, Showtime or other carriers for me to catch up with.

Concern Regarding Significant Gate Delay and Jet Bridge Issue Dear Customer Relations Team, I am writing to express my disappointment with the experience I had on my recent flight AA 2414 on Sunday January 18, 2026. What should have been a routine departure turned into a frustrating and avoidable delay due to an issue with the jet bridge at the gate. As a result, the flight was delayed by approximately 90 minutes while multiple gate changes were attempted. The lack of clear communication during this period made the situation even more challenging. Passengers were left uncertain about the cause of the delay, the expected timeline, and the next steps. This not only disrupted travel plans but also created unnecessary stress for everyone on board. I understand that operational issues can arise, but a malfunctioning jet bridge and the resulting extended delay suggest an area where procedures or equipment maintenance may need attention. I hope you will review this incident to prevent similar disruptions in the future. I would appreciate acknowledgment of this concern and consideration of appropriate compensation for the inconvenience and lost time caused by this delay. Thank you for taking the time to review my experience. I look forward to hearing from you. Sincerely, Dion Dillard

They made me pay $40 to check a bag that was listed as free when I bought my ticket. Then before boarding they offered to check any bags free.

It was a good trip. Flight Attendants were friendly and responsive.

Qatar airways ,boarding arrangements at Hamid international airport could been better

Crew in Columbia was not prepared for landing. It was a bit of a disaster and getting bags took forever.

It was costly and difficult to check in. $85 to take a small suitcase with me, carry on or checked and $75 on the return trip, Plus $25 if I didn't check my self in check in $25, because I couldn't do it on the kiosk. Small very uncomfortable seats, waited on the runway for near an hour each way. It was my worst flight to date.

Due to weather, my flight was delayed, further delayed, then canceled. I eventually got through to a support person who helped me find a different route out of MSP, but to get to DIA, they didn't want to, but eventually did help with the connection ticket purchase. But even this replacement flight was delayed time and time again, and I would have missed my connecting flights and I didn't want to get stuck in a layover city, so after 12 hours at the airport with two young boys who were very tired, we just cancelled our plans and spent the week at home, instead of Nana's.

I knew going into this that Frontier, being a low cost carrier, would be pretty bare bones and charge for most extras but this was made up for by the fact that the airplane was a reasonably new Airbus, every employee was great and best of all, Everett Washington is an amazing airport - thanks Frontier for flying there!!!

Seats were new and comfortable. Staff was fine. Missed my connection due to weather -which wasn’t their fault- but got no help at all. Gate staff sent me to customer service, which was and stayed unstaffed. Sign with QR code directed me to call or chat. Chat was useless. Call was returned after an hour. No itinerary offered by Frontier could get me home in less than 30 hours. Rebooked with another airline and got a partial refund that came to about 10 percent of what I paid to get home.

The experience was good. No frills but I got there safe and sound and on time.

As every law enforcement agency I could imagine surrounded the plane and we didn’t disembark for 2 hours and then had to stick around for another hour to go get our personal belongings after leaving them behind and being bused away from the plane, it was scary and inconvenient. We were given no information as to why this was happening. Lack of communication with passengers was disappointing.

Frontier Airlines was AWFUL. I was an hour early for my flight and the lady refused to check me in. I had to purchase a whole new ticket with a different airline.

Late, terrible communication, horrible planning of passenger seating until the literal last minute. One of the worst flying experiences of my life. Y'all suck

First of all, we never got on the connecting flight to Denver. They delayed our flight for two hours. If we would have gotten on that flight, we would have been stuck in Denver for 13 hours. So we re- routed our flight for a straight through flight to Oklahoma two days later. THEN, they delayed that flight for two hours. After that we were able to finally get on our flight and come home. Frontier Airlines - one of the worst airlines I have ever been on.

Terrible communication with weather delay, lost baggage, near impossible to reach customer service

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

Other airlines flying from Milwaukee to Denver

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