Cheapest one-way flights from Phoenix to San Francisco in September from $48

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

One-Way flights

29 Sep Frontier Airlines direct
18 Sep Frontier Airlines direct
26 Sep Frontier Airlines
19 Sep Frontier Airlines
08 Sep Frontier Airlines
07 Sep Frontier Airlines
17 Sep Frontier Airlines
16 Sep Frontier Airlines
13 Sep Frontier Airlines
09 Sep Frontier Airlines

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

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.

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