Cheapest one-way flights from Seattle to Los Angeles in September from 120€

Best time to book flights for Seattle (SEA) to Los Angeles (LAX) flights at AirHint

AirHint found the following cheapest one-way flights from Seattle (SEA) to Los Angeles (LAX) in September 2025 (see full year).

One-Way flights

04 Sep Delta direct
09 Sep Delta direct
01 Sep Delta direct

Also check the deals for return flights from Seattle to Los Angeles in September.

Skyscanner

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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