Cheapest return flights from Seattle to Los Angeles in January from $56

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

Return flights

22 Jan - 25 Jan Frontier Airlines direct
29 Jan - 01 Feb Frontier Airlines direct
17 Jan - 22 Jan Frontier Airlines direct
17 Jan - 01 Feb Frontier Airlines direct
17 Jan - 18 Jan Frontier Airlines direct
18 Jan - 25 Jan Frontier Airlines direct
17 Jan - 29 Jan Frontier Airlines direct
17 Jan - 24 Jan Frontier Airlines
23 Jan - 25 Jan Frontier Airlines
15 Jan - 16 Jan Frontier Airlines direct
31 Jan - 01 Feb Frontier Airlines
15 Jan - 01 Feb Frontier Airlines
15 Jan - 18 Jan Frontier Airlines
10 Jan - 18 Jan Frontier Airlines direct
30 Jan - 01 Feb Frontier Airlines
31 Jan - 08 Feb Alaska Airlines
24 Jan - 03 Feb Hawaiian Airlines direct
25 Jan - 03 Feb Alaska Airlines direct
31 Jan - 01 Feb Alaska Airlines direct
31 Jan - 08 Feb Delta direct

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

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