Cheapest one-way flights from Phoenix to San Francisco in May from $77

AirHint found the following cheapest one-way flights from Phoenix (PHX) to San Francisco (SFO) in May 2026 (see full year).

One-Way flights

02 May American Airlines direct
16 May United direct
11 May Frontier Airlines direct
07 May Frontier Airlines direct
13 May Southwest Airlines direct
13 May Southwest Airlines
10 May United direct
26 May Southwest Airlines
17 May Southwest Airlines
17 May Frontier Airlines direct

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

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