Cheapest return flights from Sacramento to Seattle in December from $227

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

Return flights

31 Dec - 05 Jan Alaska Airlines direct
30 Dec - 05 Jan Hawaiian Airlines direct
20 Dec - 02 Jan Frontier Airlines
30 Dec - 02 Jan Hawaiian Airlines direct
30 Dec - 04 Jan Hawaiian Airlines direct
25 Dec - 30 Dec Alaska Airlines direct
25 Dec - 01 Jan Alaska Airlines direct
24 Dec - 30 Dec Alaska Airlines direct
27 Dec - 03 Jan Alaska Airlines direct
20 Dec - 21 Dec Frontier Airlines
20 Dec - 02 Jan Hawaiian Airlines direct
20 Dec - 03 Jan Alaska Airlines direct
21 Dec - 03 Jan Hawaiian Airlines direct
19 Dec - 21 Dec Frontier Airlines
26 Dec - 28 Dec Alaska Airlines direct
21 Dec - 25 Dec Hawaiian Airlines direct
20 Dec - 21 Dec Hawaiian Airlines direct
18 Dec - 21 Dec Alaska Airlines direct
19 Dec - 21 Dec Alaska Airlines direct

Also check the deals for one-way flights from Sacramento to Seattle in December.

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