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Flights from Denver to Milwaukee

Cheapest airlines flights from Denver to Milwaukee

You can choose from 1 airlines that fly from Denver to Milwaukee, including United Airlines, United Airlines has lowest fares on this route.
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from Denver to Milwaukee according to previous 12 months data from Trip.com.

Search for direct flights from Denver to Milwaukee in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$156, and round-trip direct flights start at US$404.

      • Cheapest nonstop
        DEN 17:40
        2h 35m
        Nonstop
        MKE 21:15
        Denver - Milwaukee | Wed, Jun 17 | United Airlines
        MKE 17:46
        2h 59m
        Nonstop
        DEN 19:45
        Milwaukee - Denver | Wed, Jun 24 | United Airlines
        US$404 US$546
        26% off
        26% off
        US$546 US$404
      • DEN 23:54
        10h 20m
        1 stop
        MKE 11:14
        Denver - Milwaukee | Tue, Jun 16 | Frontier Airlines
        MKE 12:08
        11h 8m
        1 stop
        DEN 22:16
        Milwaukee - Denver | Mon, Jun 22 | Frontier Airlines
        US$219 US$546
        60% off
        60% off
        US$546 US$219
      • DEN 06:00
        25h 1m
        1 stop
        MKE 08:01
        Denver - Milwaukee | Fri, Jun 12 | Frontier Airlines
        MKE 12:29
        10h 55m
        1 stop
        DEN 22:24
        Milwaukee - Denver | Mon, Jun 15 | Frontier Airlines
        US$260 US$546
        52% off
        52% off
        US$546 US$260
      • DEN 15:10
        15h 48m
        1 stop
        MKE 07:58
        Denver - Milwaukee | Fri, Jun 26 | Frontier Airlines
        MKE 12:08
        11h 8m
        1 stop
        DEN 22:16
        Milwaukee - Denver | Mon, Jun 29 | Frontier Airlines
        US$327
        40% off
        US$546 US$327
      • DEN 06:00
        4h 17m
        1 stop
        MKE 11:17
        Denver - Milwaukee | Fri, Jun 26 | Delta Air Lines
        MKE 12:08
        11h 8m
        1 stop
        DEN 22:16
        Milwaukee - Denver | Mon, Jun 29 | Frontier Airlines
        US$335
        39% off
        US$546 US$335
      • DEN 06:00
        4h 17m
        1 stop
        MKE 11:17
        Denver - Milwaukee | Tue, Jun 16 | Delta Air Lines
        MKE 12:08
        11h 8m
        1 stop
        DEN 22:16
        Milwaukee - Denver | Mon, Jun 22 | Frontier Airlines
        US$367
        33% off
        US$546 US$367
      • DEN 15:57
        7h 2m
        1 stop
        MKE 23:59
        Denver - Milwaukee | Fri, Jun 26 | American Airlines
        MKE 12:08
        11h 8m
        1 stop
        DEN 22:16
        Milwaukee - Denver | Mon, Jun 29 | Frontier Airlines
        US$368
        33% off
        US$546 US$368
      • DEN 06:00
        7h 36m
        1 stop
        MKE 14:36
        Denver - Milwaukee | Fri, Jun 26 | United Airlines
        MKE 12:08
        11h 8m
        1 stop
        DEN 22:16
        Milwaukee - Denver | Mon, Jun 29 | Frontier Airlines
        US$369
        32% off
        US$546 US$369
      • DEN 05:00
        5h 15m
        1 stop
        MKE 11:15
        Denver - Milwaukee | Tue, Jun 16 | American Airlines
        MKE 12:08
        11h 8m
        1 stop
        DEN 22:16
        Milwaukee - Denver | Mon, Jun 22 | Frontier Airlines
        US$370
        32% off
        US$546 US$370
      • DEN 20:27
        2h 32m
        Nonstop
        MKE 23:59
        Denver - Milwaukee | Tue, Jun 16 | United Airlines
        MKE 12:08
        11h 8m
        1 stop
        DEN 22:16
        Milwaukee - Denver | Mon, Jun 22 | Frontier Airlines
        US$397
        27% off
        US$546 US$397
      • DEN 13:00
        17h 25m
        1 stop
        MKE 14:00
        Denver - Milwaukee | Tue, Jun 9 | Normal Airline
        MKE 15:00
        6h
        Nonstop
        DEN 16:00
        Milwaukee - Denver | Thu, Jun 11 | Normal Airline
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      • Cheapest nonstop
        DEN 13:30
        2h 34m
        Nonstop
        MKE 17:04
        Denver - Milwaukee | Thu, Jul 2 | United Airlines
        US$156 US$213
        27% off
        27% off
        US$213 US$156
      • DEN 17:40
        2h 35m
        Nonstop
        MKE 21:15
        Denver - Milwaukee | Fri, Jul 31 | United Airlines
        US$157 US$213
        26% off
        26% off
        US$213 US$157
      • DEN 23:46
        10h 29m
        1 stop
        MKE 11:15
        Denver - Milwaukee | Tue, Jul 7 | Frontier Airlines
        US$119 US$213
        44% off
        44% off
        US$213 US$119
      • DEN 23:46
        10h 27m
        1 stop
        MKE 11:13
        Denver - Milwaukee | Tue, Jun 30 | Frontier Airlines
        US$121
        43% off
        US$213 US$121
      • DEN 15:10
        15h 48m
        1 stop
        MKE 07:58
        Denver - Milwaukee | Wed, Jul 15 | Frontier Airlines
        US$122
        43% off
        US$213 US$122
      • DEN 15:10
        15h 48m
        1 stop
        MKE 07:58
        Denver - Milwaukee | Wed, Jul 29 | Frontier Airlines
        US$122
        43% off
        US$213 US$122
      • DEN 23:46
        10h 29m
        1 stop
        MKE 11:15
        Denver - Milwaukee | Tue, Aug 4 | Frontier Airlines
        US$123
        42% off
        US$213 US$123
      • DEN 06:00
        24h 58m
        1 stop
        MKE 07:58
        Denver - Milwaukee | Wed, Jul 1 | Frontier Airlines
        US$123
        42% off
        US$213 US$123
      • DEN 15:10
        15h 48m
        1 stop
        MKE 07:58
        Denver - Milwaukee | Wed, Jul 8 | Frontier Airlines
        US$124
        42% off
        US$213 US$124
      • DEN 23:46
        10h 29m
        1 stop
        MKE 11:15
        Denver - Milwaukee | Thu, Jul 16 | Frontier Airlines
        US$124
        42% off
        US$213 US$124
      • DEN 23:46
        10h 27m
        1 stop
        MKE 11:13
        Denver - Milwaukee | Fri, Jun 12 | Frontier Airlines
        US$124
        42% off
        US$213 US$124
      • DEN 23:46
        10h 27m
        1 stop
        MKE 11:13
        Denver - Milwaukee | Tue, Jun 16 | Frontier Airlines
        US$124
        42% off
        US$213 US$124
      • DEN 13:00
        17h 25m
        1 stop
        MKE 14:00
        Denver - Milwaukee | Tue, Jun 9 | Normal Airline
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        Find more flights

Displayed flight fares from Denver to Milwaukee are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Denver to Milwaukee Flight Details

The distance between Denver and Milwaukee is about 1,437.15 km. The average flying time from Denver to Milwaukee is around 2 hours 50 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is October.

Cheapest one-way flight priceUS$119
Cheapest return ticket priceUS$219
Cheapest monthOctober
Peak season for travelJuly
Flight distance1,437.15 km
Average flight time2 hours 50 minutes
Popular airlineUnited Airlines
Flight statistics for the Denver–Milwaukee route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Denver to Milwaukee (DEN-MKE)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$119 on Cheapest nonstop routes (e.g. DEN to MKE on Tue, Jul 7), while Frontier Airlines offers Cheapest nonstop round-trips from US$219 departing on Tue, Jun 16 and returning on Mon, Jun 22.
  • It takes about 2 hours 50 minutes to fly from Denver to Milwaukee.
  • 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.
  • To find best deals on flights from Denver to Milwaukee, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Jul 7, with one-way flights priced at just US$119.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Milwaukee travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Denver to Milwaukee is October, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Denver to Milwaukee on June 30, 2026 with Frontier Airlines, with prices starting at US$124.
  • 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.

Trip.com Airline Insights on Flights from Denver to Milwaukee

Which airline offers the cheapest direct flights from Denver to Milwaukee?

Data is based on the average price of all nonstop flights from Denver to Milwaukee on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Sun Country Airlines provides the lowest-priced direct flights from Denver to Milwaukee, with fares starting at US$145.

US$94
US$145
US$197
US$248
US$299
Sun Country Airlines
US$145
Sun Country Airlines
United Airlines
US$201
United Airlines
Frontier Airlines
US$212
Frontier Airlines
Delta Air Lines
US$299
Delta Air Lines

How many flights fly from Denver to Milwaukee daily?

The data is based on the flight numbers for each day of the week from Denver to Milwaukee within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Denver to Milwaukee is the highest on Friday and the lowest on Sunday.

33
28
23
18
Highest
25
Mon
24
Tue
26
Wed
30
Thu
33
Fri
25
Sat
23
Sun

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.