Cheapest return flights from Seattle to Los Angeles in December from 63€

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

Return flights

06 Dec - 07 Dec Frontier Airlines direct
06 Dec - 14 Dec Frontier Airlines direct
12 Dec - 15 Dec Frontier Airlines direct
05 Dec - 07 Dec Frontier Airlines direct
04 Dec - 07 Dec Frontier Airlines direct
06 Dec - 13 Dec Frontier Airlines
05 Dec - 06 Dec Frontier Airlines
08 Dec - 11 Dec Frontier Airlines
13 Dec - 14 Dec Frontier Airlines
11 Dec - 14 Dec Frontier Airlines
25 Dec - 01 Jan Frontier Airlines direct
20 Dec - 10 Jan Frontier Airlines
31 Dec - 05 Jan Frontier Airlines direct
19 Dec - 09 Jan Frontier Airlines
31 Dec - 04 Jan Frontier Airlines direct
30 Dec - 06 Jan Delta direct
30 Dec - 05 Jan Delta direct
21 Dec - 01 Jan Frontier Airlines
28 Dec - 01 Jan Frontier Airlines direct
21 Dec - 01 Jan Frontier Airlines direct

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

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