Cheapest one-way flights from San Francisco to Phoenix in December from $31

AirHint found the following cheapest one-way flights from San Francisco (SFO) to Phoenix (PHX) in December 2025 (see full year).

One-Way flights

14 Dec Frontier Airlines direct
15 Dec Frontier Airlines direct
08 Dec Frontier Airlines direct
17 Dec Hawaiian Airlines direct
31 Dec United direct
16 Dec Frontier Airlines
05 Dec Frontier Airlines direct
12 Dec Frontier Airlines direct
21 Dec Frontier Airlines direct
30 Dec United direct

Also check the deals for return flights from San Francisco to Phoenix in December.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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