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

Return flights

30 Dec - 02 Jan	Southwest Airlines	direct
28 Dec - 31 Dec	Southwest Airlines	direct
21 Dec - 31 Dec	Southwest Airlines	direct
18 Dec - 20 Dec	Frontier Airlines
18 Dec - 20 Dec	Southwest Airlines	direct
13 Dec - 14 Dec	Frontier Airlines
12 Dec - 19 Dec	Alaska Airlines	direct
11 Dec - 14 Dec	Frontier Airlines
15 Dec - 18 Dec	Southwest Airlines	direct
14 Dec - 17 Dec	Southwest Airlines
14 Dec - 17 Dec	Alaska Airlines	direct

Also check the deals for one-way flights from Portland to Sacramento 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.

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Cheapest return flights from Portland to Sacramento in December from 156€

Return flights