No data has been found about the influences of the ERASMUS program on Turkish pre-service teachers of English who participated in the ERASMUS Mobility Program. Thus, in this study the researcher aims to evaluate the ERASMUS Mobility Program regarding its contributions to the progress of Turkish pre- service teachers of English and the problems they encountered during the process. The sample group of the study consisted of 23 pre-service teachers and a background questionnaire, interviews, group discussions and essay papers were used for data collection. The results indicated that the ERASMUS process has some significant benefits to language skills and professional and personal development of the pre-service teachers of English; however, it also brings about some potential problems. Finally, some practical recommendations are noted.