Find cheap airlines flights from Denver to Milwaukee

Choose from 1 carriers that fly from Denver to Milwaukee, including Frontier Airlines, Enjoy the cheapest tickets on this route with United Airlines.

Book direct flights from Denver to Milwaukee: One way flights from $81, round trip flights from $511. Find flight deals for the next 3 months below.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Denver to Milwaukee

The distance between Denver and Milwaukee is about 1,437.15 km. It takes around 3 hours 7 minutes on average to fly from Denver to Milwaukee. The most popular month to Milwaukee is July. The off-season for travel is October.

Cheapest one-way flight price$57
Cheapest round-trip ticket price$389
Off-season for travelOctober
Peak season for travelJuly
Flight distance1,437.15 km
Average flight time3 hours 7 minutes
Popular airlineFrontier Airlines

When is the cheapest time to fly from Denver to Milwaukee?

The cheapest time for Denver to Milwaukee flights: Jan 4 to Jan 11 — one way flight prices from $57.

Cheapest flights
From price
Search
  • 916
  • 1623
  • 2330
  • Dec

    307
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer direct flights from Denver to Milwaukee?

    At the moment, you can catch a nonstop flight from Denver to Milwaukee with the following airlines, including: Frontier Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 3 hours 7 minutes to fly from Denver (DEN) to Milwaukee (MKE).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Denver to Milwaukee is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • The cheapest months to fly from Denver to Milwaukee is October, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Denver to Milwaukee on November 22, 2025 with United Airlines, with prices starting at $197.
  • You can land at any one of the following hubs in Milwaukee, with Denver International Airport to Milwaukee Mitchell International Airport (DEN-MKE) is by far the most common option on this route: Milwaukee Mitchell International Airport (MKE).
  • The time difference between Milwaukee and Denver is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.