AirHint found the following cheapest return flights from Spokane (GEG) to Los Angeles (LAX) in September 2025 (see full year).

Return flights

23 Sep - 28 Sep	Alaska Airlines	direct
05 Sep - 07 Sep	Alaska Airlines	direct
03 Sep - 07 Sep	Hawaiian Airlines
26 Sep - 28 Sep	Alaska Airlines
07 Sep - 09 Sep	Alaska Airlines
08 Sep - 14 Sep	Hawaiian Airlines
18 Sep - 30 Sep	Delta	direct
03 Sep - 07 Sep	Delta	direct
08 Sep - 14 Sep	Hawaiian Airlines	direct

Also check the deals for one-way flights from Spokane to Los Angeles in September.

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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Cheapest return flights from Spokane to Los Angeles in September from $147

Return flights