AirHint found the following cheapest return flights from Portland (PDX) to San Jose Del Cabo (SJD) in December 2025 (see full year).

Return flights

05 Dec - 12 Dec	Alaska Airlines	direct
10 Dec - 14 Dec	Alaska Airlines
12 Dec - 15 Dec	Alaska Airlines	direct
18 Dec - 28 Dec	Alaska Airlines
19 Dec - 25 Dec	Sun Country Airlines
29 Dec - 03 Jan	Alaska Airlines
28 Dec - 02 Jan	Alaska Airlines
28 Dec - 03 Jan	Frontier Airlines
27 Dec - 03 Jan	Hawaiian Airlines

Also check the deals for one-way flights from Portland to San Jose Del Cabo in December.

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.

Book a cheap hotel in San Jose Del Cabo

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Cheapest return flights from Portland to San Jose Del Cabo in December from $374

Return flights