This study aimed to examine the influence of blended learning on critical thinking of Indonesian Christian students during the covid-19 pandemic era. Blended learning was a mixture of traditional learning and online learning. It was a method that students were freely to study the subject matter independently by utilizing the materials available online or conducting discussions with teachers or other students outside the hours of face-to-face, and teachers could add enrichment materials through internet facilities, might have students read the material or did the tests performed before the study. This method produced a critical thinking, which was a consideration of viewpoint, interpretation and withdrawal of conclusions, assumptions, implications, and consequences, open minds, collecting, assessing and translating relevant information. This study was a quantitative research, using simple linier regression. A hundred and twenty students were randomly selected from schools in Malang East Java Indonesia. The result reveals that blended learning influenced 81.6% adjustment of critical thinking of students. In this regard, Ministry of Education and Culture of Indonesia should on regular bases organize workshops on blended learning for teachers.