Cheapest return flights from Denver to Phoenix in April from $55

AirHint found the following cheapest return flights from Denver (DEN) to Phoenix (PHX) in April 2026 (see full year).

Return flights

08 Apr - 17 Apr Frontier Airlines direct
18 Apr - 20 Apr Frontier Airlines direct
06 Apr - 08 Apr Frontier Airlines direct
27 Apr - 30 Apr Frontier Airlines direct
20 Apr - 24 Apr Frontier Airlines direct
16 Apr - 20 Apr Frontier Airlines direct
17 Apr - 20 Apr Frontier Airlines direct
16 Apr - 27 Apr Frontier Airlines direct
30 Apr - 03 May Frontier Airlines direct
09 Apr - 13 Apr Frontier Airlines direct
02 Apr - 09 Apr Frontier Airlines direct

Also check the deals for one-way flights from Denver to Phoenix in April.

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