Cheapest return flights from Phoenix to San Francisco in December from $117

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

Return flights

03 Dec - 07 Jan Southwest Airlines direct
12 Dec - 10 Jan Frontier Airlines
12 Dec - 10 Jan American Airlines direct
04 Dec - 07 Dec Southwest Airlines direct
14 Dec - 18 Jan Frontier Airlines direct
30 Dec - 05 Jan United direct
19 Dec - 27 Dec United direct

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

Skyscanner

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.

Book a cheap hotel in San Francisco

Cheap car rent in San Francisco

Feel free to contact us with any feedback or request another flight research.