United Airlines has one way tickets priced at $78 for LAX to Atlanta or Atlanta to LAX for departures from late February to late May. This deal also applies for Atlanta to some regional airports in California like $94 one way to Bakersfield and $98 one way to Monterey.
United Airlines Los Angeles LAX – Washington IAD – Atlanta ATL
One of the interesting features of this deal from Atlanta one way is several regional airports in California like Monterey and Bakersfield priced at $98 each way, whereas San Francisco SFO is $178 and San Jose is $188 on United.
United Airlines Atlanta ATL – San Francisco SFO – Monterey MRY
Since this is a Basic Economy carry-on only fare, you can book Atlanta-San Francisco-Monterey one way and simply exit the plane in SFO for a cheaper flight to San Francisco.