Cheapest one-way flights from Seattle to Los Angeles in March from $21

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 March 2025 (see full year).

One-Way flights

18 Mar Frontier Airlines direct
15 Mar Frontier Airlines direct
17 Mar Frontier Airlines direct
14 Mar Frontier Airlines direct
03 Mar Frontier Airlines direct
13 Mar Frontier Airlines direct
07 Mar Frontier Airlines direct
11 Mar Spirit Airlines direct
19 Mar Frontier Airlines direct
16 Mar Alaska Airlines direct

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

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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