This research aims to investigate the effectiveness of integrating project-based learning and experiential learning models toward students' interpersonal communication skill and creativity particularly in using English. This research was conducted by applying quantitative research method with factorial design 2X2 ANOVA The subjects were English as a Foreign Language (EFL) students in English Department of Universitas Muslim Nusantara (UMN) Al Washliyah Medan, Indonesia.The instrument was a questionnaire with Likert scale and used to measure each formulated indicator. The data were analyzed by using multivariate ANOVA (MANOVA) The finding of the research showed that project-based learning and experiential learning models had a significant effect on students' interpersonal communication skill and creativity. Moreover, interaction was found between communication skill and creativity of students taught by implementing the models. It indicated that ELT classroom activities will be more creative integrating these teaching models. It allows EFL learners to explore knowledge and information independently and to use English as natural as they can either in speaking or writing.