One of the aspects affected by the Covid-19 pandemic is education. During the pandemic, the teachers and students in higher education should continue to carry out teaching and learning activities using an online system for all subjects. Online learning may give positive or negative impacts on students. Therefore, the author wants to examine students’ perceptions in learning English using the online system. It aims to find out the effectiveness of the online learning system that is being implemented at the university. A descriptive qualitative research design was implemented in this study. The data gathered from questionnaires and interviews related to students’ perceptions of the effectiveness of online English learning. The subject of the study was the third-semester students of the English Language Education Department. Based on the research results, it is suggested that online learning conducted during the Covid-19 pandemic is not yet perfect. Thus, it needs the cooperation of all elements of education to support the implementation of online learning.