Cheapest return flights from Milwaukee to Denver in May from $160

AirHint found the following cheapest return flights from Milwaukee (MKE) to Denver (DEN) in May 2026 (see full year).

Return flights

14 May - 15 May Frontier Airlines
07 May - 10 May Frontier Airlines
07 May - 11 May Frontier Airlines
13 May - 15 May United direct
14 May - 15 May United direct
07 May - 11 May United direct
20 May - 24 May United direct
07 May - 10 May United direct
27 May - 30 May American Airlines
29 May - 05 Jun Southwest Airlines direct
27 May - 30 May United direct
27 May - 01 Jun United direct

Also check the deals for one-way flights from Milwaukee to Denver in May.

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