Since prices are subject to change and can vary significantly, I recommend checking directly with reputable bus companies or online booking platforms for the most up-to-date fare information. Some popular bus companies that operate routes between Los Angeles and Eugene include Greyhound, FlixBus, and Megabus.
When booking your ticket, it's a good idea to consider factors like travel time, departure and arrival times, and any amenities offered by the bus company, such as Wi-Fi, restrooms, or entertainment options. You may also want to check the company's cancellation and refund policies before purchasing your ticket.