Cheapest return flights from Denver to Phoenix in March from $62

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

Return flights

03 Mar - 10 Mar Frontier Airlines direct
10 Mar - 17 Mar Frontier Airlines direct
02 Mar - 09 Mar Frontier Airlines
24 Mar - 28 Mar Frontier Airlines direct
02 Mar - 09 Mar Frontier Airlines direct
14 Mar - 17 Mar Frontier Airlines direct
05 Mar - 12 Mar Frontier Airlines direct
04 Mar - 08 Mar Frontier Airlines direct
08 Mar - 15 Mar Frontier Airlines
17 Mar - 22 Mar Frontier Airlines direct

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

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