Cheapest return flights from Portland to Los Angeles in January from $108

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

Return flights

29 Jan - 30 Jan Frontier Airlines
30 Jan - 30 Jan Frontier Airlines direct
31 Jan - 02 Feb Alaska Airlines
26 Jan - 02 Feb Frontier Airlines direct
31 Jan - 02 Feb Delta direct
23 Jan - 26 Jan Frontier Airlines direct
23 Jan - 28 Jan Frontier Airlines
22 Jan - 22 Jan Frontier Airlines
28 Jan - 31 Jan American Airlines direct
22 Jan - 25 Jan Frontier Airlines
23 Jan - 27 Jan Frontier Airlines direct
23 Jan - 28 Jan Frontier Airlines direct
29 Jan - 02 Feb Frontier Airlines
19 Jan - 23 Jan Frontier Airlines direct
26 Jan - 16 Feb Frontier Airlines direct

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

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