AirHint found the following cheapest return flights from Phoenix (PHX) to San Francisco (SFO) in October 2026 (see full year).
Return flights
| 06 Oct - 10 Oct | United | direct | |
| 16 Oct - 02 Nov | American Airlines | direct | |
| 05 Oct - 09 Oct | United | direct |
Also check the deals for one-way flights from Phoenix to San Francisco in October.
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