This paper reports on a multi-site case study of work-integrated learning (WIL) in language teacher education. Using learning trajectories as a lens for understanding the connection between the workplace and campus-based learning, this study explores what preservice teachers learn from real-world work experience. The data used for this study comprised semi-structured interviews. The interviews engaged preservice teachers, and workplace supervisors involved in WIL programs for preservice teachers teaching English in Vietnam, and Chinese in Australia. The findings of the study show that preservice teachers make progress in learning transformation, engage in reciprocal learning with peers, and contribute to learners' authentic learning experiences. The results highlight the features of preservice teachers' learning trajectories including work readiness, critical thinking skills, and insights into working with learners of diverse backgrounds. The study has implications for research in initial teacher education programs, employability, internationalization of higher education, and equity/inclusivity.