Cheapest one-way flights from Seattle to Los Angeles in December from 37€

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

One-Way flights

31 Dec Frontier Airlines direct
12 Dec Frontier Airlines direct
04 Dec Frontier Airlines direct
18 Dec Frontier Airlines direct
08 Dec Frontier Airlines
15 Dec Frontier Airlines
13 Dec Frontier Airlines
14 Dec Frontier Airlines
07 Dec Frontier Airlines
13 Dec Frontier Airlines direct

Also check the deals for return flights from Seattle to Los Angeles in December.

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