Cheapest return flights from Phoenix to San Francisco in August from $84

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

Return flights

16 Aug - 19 Aug Southwest Airlines direct
16 Aug - 18 Aug Southwest Airlines direct
30 Aug - 04 Sep Southwest Airlines direct
07 Aug - 11 Aug Frontier Airlines direct
11 Aug - 14 Aug Frontier Airlines direct
07 Aug - 09 Aug Frontier Airlines direct
05 Aug - 18 Aug Southwest Airlines direct
14 Aug - 21 Aug Southwest Airlines direct
14 Aug - 18 Aug Southwest Airlines direct
04 Aug - 11 Aug Southwest Airlines direct
05 Aug - 07 Aug Southwest Airlines direct
02 Aug - 06 Sep Southwest Airlines direct
30 Aug - 01 Sep Southwest Airlines direct
29 Aug - 01 Sep Southwest Airlines direct

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

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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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