Cheapest return flights from Kansas City to Denver in May from $98

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

Return flights

14 May - 18 May Frontier Airlines direct
01 May - 03 May Frontier Airlines direct
01 May - 06 May Frontier Airlines
01 May - 06 May Southwest Airlines direct
12 May - 13 May Southwest Airlines direct
22 May - 25 May Frontier Airlines direct
21 May - 25 May Frontier Airlines direct
28 May - 02 Jun United direct
23 May - 25 May United direct
27 May - 31 May Southwest Airlines direct
29 May - 31 May Southwest Airlines direct

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

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