Cheapest return flights from Oakland to Portland in December from $139

AirHint found the following cheapest return flights from Oakland (OAK) to Portland (PDX) in December 2025 (see full year).

Return flights

25 Dec - 01 Jan Alaska Airlines direct
14 Dec - 14 Dec Alaska Airlines direct
05 Dec - 07 Dec Alaska Airlines direct
01 Dec - 03 Dec Alaska Airlines direct
20 Dec - 27 Dec Alaska Airlines direct
19 Dec - 21 Dec Alaska Airlines direct

Also check the deals for one-way flights from Oakland to Portland in December.

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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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