Cheapest one-way flights from Portland to Los Angeles in January from $90

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

One-Way flights

30 Jan Frontier Airlines direct
27 Jan Southwest Airlines
28 Jan Southwest Airlines
26 Jan Frontier Airlines
31 Jan Alaska Airlines direct
31 Jan Southwest Airlines
27 Jan Alaska Airlines direct
28 Jan Alaska Airlines direct
26 Jan Frontier Airlines direct
25 Jan Frontier Airlines

Also check the deals for return flights from Portland to Los Angeles in January.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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