Cheapest return flights from Phoenix to San Francisco in October from $77

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
23 Oct - 30 Oct Frontier Airlines direct
23 Oct - 27 Oct Frontier Airlines direct
02 Oct - 06 Oct Frontier Airlines direct
31 Oct - 03 Nov Frontier Airlines direct
29 Oct - 02 Nov Frontier Airlines direct
03 Oct - 06 Oct Frontier Airlines direct
24 Oct - 26 Oct Frontier Airlines direct
30 Oct - 12 Nov Frontier Airlines direct
06 Oct - 10 Oct Frontier Airlines direct
16 Oct - 20 Oct Frontier Airlines direct
03 Oct - 05 Oct Frontier Airlines direct
02 Oct - 05 Oct Frontier Airlines direct
23 Oct - 18 Nov Frontier Airlines direct
09 Oct - 13 Oct Frontier Airlines direct

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

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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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