Cheapest return flights from Phoenix to San Francisco in October from $59

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

Return flights

31 Oct - 02 Nov Frontier Airlines direct
31 Oct - 04 Nov Frontier Airlines direct
29 Oct - 01 Nov Frontier Airlines direct
30 Oct - 08 Nov Frontier Airlines direct
30 Oct - 08 Nov Frontier Airlines
30 Oct - 01 Nov Frontier Airlines direct
30 Oct - 03 Nov Frontier Airlines
29 Oct - 30 Oct Frontier Airlines direct
30 Oct - 03 Nov Frontier Airlines direct
30 Oct - 02 Nov Frontier Airlines direct
27 Oct - 12 Nov Frontier Airlines
27 Oct - 31 Oct Frontier Airlines
24 Oct - 31 Oct Frontier Airlines
26 Oct - 31 Oct Frontier Airlines
27 Oct - 28 Oct Frontier Airlines
23 Oct - 27 Oct Frontier Airlines
26 Oct - 27 Oct Frontier Airlines
24 Oct - 26 Oct Frontier Airlines
23 Oct - 26 Oct Frontier Airlines
23 Oct - 24 Oct Frontier Airlines

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

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