Cheapest return flights from Portland to San Francisco in August from 66€

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

Return flights

12 Aug - 12 Aug United direct
12 Aug - 18 Aug United direct
16 Aug - 18 Aug United direct
12 Aug - 19 Aug United direct
21 Aug - 25 Aug United direct
14 Aug - 16 Aug United direct
13 Aug - 14 Aug United direct
23 Aug - 26 Aug United direct
27 Aug - 03 Sep United direct
28 Aug - 02 Sep United direct
25 Aug - 08 Sep United direct
14 Aug - 18 Aug Hawaiian Airlines direct
08 Aug - 11 Aug Frontier Airlines direct
29 Aug - 03 Sep United direct
25 Aug - 07 Sep United direct

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

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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