Garriott received the following honors: National Science Foundation Fellowship, 1960–1961; Honorary Doctorate of Science, Phillips University (Enid, Okla.), 1973; NASA Distinguished Service Medal, 1973; Fédération Aéronautique Internationale V. M. Komarov Diploma for 1973; the Octave Chanute Award for 1975; and the NASA Space Flight Medal, 1983.