Cheapest return flights from San Diego to Phoenix in December from 42€

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

Return flights

06 Dec - 08 Dec Frontier Airlines direct
06 Dec - 07 Dec Frontier Airlines direct
19 Dec - 22 Dec Frontier Airlines direct
13 Dec - 13 Dec Frontier Airlines direct
08 Dec - 10 Dec Frontier Airlines direct
05 Dec - 07 Dec Frontier Airlines direct
26 Dec - 04 Jan Frontier Airlines direct
28 Dec - 01 Jan Frontier Airlines direct
30 Dec - 04 Jan Frontier Airlines direct
07 Dec - 09 Dec Frontier Airlines direct
27 Dec - 29 Dec Frontier Airlines direct
23 Dec - 30 Dec Frontier Airlines direct
20 Dec - 19 Jan Frontier Airlines direct
11 Dec - 18 Dec American Airlines direct

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

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