Cheapest return flights from Denver to Phoenix in December from 41€

AirHint found the following cheapest return flights from Denver (DEN) to Phoenix (PHX) in December 2025 (see full year).

Return flights

13 Dec - 13 Dec Frontier Airlines direct
24 Dec - 30 Dec Frontier Airlines direct
24 Dec - 29 Dec Frontier Airlines direct
18 Dec - 23 Dec Frontier Airlines
20 Dec - 24 Dec Frontier Airlines direct
23 Dec - 30 Dec Frontier Airlines direct
20 Dec - 01 Jan Frontier Airlines direct
18 Dec - 23 Dec Frontier Airlines direct
06 Dec - 08 Dec Frontier Airlines direct
31 Dec - 02 Jan Frontier Airlines direct
22 Dec - 29 Dec Frontier Airlines direct
11 Dec - 14 Dec Frontier Airlines direct
29 Dec - 03 Jan Frontier Airlines direct
30 Dec - 02 Jan Frontier Airlines
30 Dec - 02 Jan Frontier Airlines direct
27 Dec - 02 Jan Frontier Airlines direct
26 Dec - 02 Jan Frontier Airlines direct
26 Dec - 02 Jan Frontier Airlines
10 Dec - 07 Jan Delta
10 Dec - 09 Jan Delta

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

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