According to Payscale, self-employed maxillofacial surgeons received an annual salary ranging from between $149,163 and $335,285 while those employed in hospitals received an annual salary range of about $79,354 to $194,421.Read more about maxillofacial surgeon salary.n average hourly wage for a maxillofacial surgeon is about Â£16.67. A maxillofacial surgeonâs salary varies based on his or her age as the one in 20s earns up to Â£25,000, in 30s earns about Â£32,667, in 40s and in 50s earns about Â£38,667 per annum.