Cheapest return flights from Seattle to Los Angeles in January from 57€

AirHint found the following cheapest return flights from Seattle (SEA) to Los Angeles (LAX) in January 2026 (see full year).

Return flights

03 Jan - 10 Jan Frontier Airlines direct
10 Jan - 18 Jan Frontier Airlines direct
03 Jan - 08 Jan Frontier Airlines direct
01 Jan - 07 Jan Frontier Airlines
08 Jan - 11 Jan Frontier Airlines direct
04 Jan - 08 Jan Frontier Airlines direct
22 Jan - 26 Jan Frontier Airlines
11 Jan - 14 Jan Frontier Airlines
29 Jan - 06 Feb Frontier Airlines
23 Jan - 25 Jan Frontier Airlines
22 Jan - 25 Jan Frontier Airlines
25 Jan - 03 Feb Frontier Airlines

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

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