Cheapest return flights from Portland to San Jose in August from 222€

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

Return flights

30 Aug - 02 Sep Southwest Airlines direct
28 Aug - 31 Aug Frontier Airlines
28 Aug - 16 Sep Alaska Airlines direct
29 Aug - 01 Sep Southwest Airlines direct
29 Aug - 03 Sep Alaska Airlines
28 Aug - 31 Aug Southwest Airlines direct
25 Aug - 27 Aug Alaska Airlines direct
17 Aug - 23 Aug Alaska Airlines direct

Also check the deals for one-way flights from Portland to San Jose 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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