Cheapest one-way flights from Portland (PDX) to San Francisco (SFO), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
23 Sep Alaska Airlines
Direct Flight
16 Sep Alaska Airlines
Direct Flight
19 Sep Alaska Airlines
Direct Flight
26 Sep Alaska Airlines
Direct Flight
28 Sep Alaska Airlines
Direct Flight
24 Sep Alaska Airlines
Direct Flight
17 Sep Alaska Airlines
Direct Flight
29 Sep Alaska Airlines
Direct Flight
30 Sep Alaska Airlines
Direct Flight
15 Sep Alaska Airlines
Direct Flight
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Updated Aug 26, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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