Orthodontists have many techniques to treat anterior open bites and must involve patients in making treatment decisions. This study aimed to investigate orthodontic treatment plan acceptance by United States adults with anterior open bites and to identify associations between treatment acceptance and patient demographics and dentofacial characteristics. A prospective, observational cohort study enrolled the patients of 91 orthodontic providers. A total of 345 adults were included in the sample. Provider personal and practice demographics were captured. Patient demographics, treatment goals, dentofacial characteristics, and reasons for not accepting the recommended plans were recorded. Adjusted regression models were used to identify associations between patient characteristics and the likelihood of accepting the most highly recommended plan. Approximately 78% of patients accepted the most highly recommended treatment plan. 60% of the patients who were recommended surgical plans accepted them. Patients with a history of orthodontics and a concave profile were more likely to accept the most highly recommended plan. Insurance coverage for orthognathic surgery was associated with a higher acceptance rate for surgery. Severe crowding was associated with a lower acceptance of surgery. The most common reasons for declining the recommended plan were not wanting jaw surgery and considering the treatment to be too invasive, risky, and/or costly. Patient acceptance is less common at higher levels of invasiveness of treatment. Prior orthodontic treatment, concave profile, and insurance coverage for surgery were associated with accepting treatment. Most patients accepted a surgical plan when it was the most recommended option.