This research was conducted to determine the perception of security, perceived usefulness, trust, repurchase intentions on traveloka.com. In addition, to find out which variable most influences the decision to repurchase intention. The population in this study is citizens in Greater Jakarta and the number of samples used was 225 respondents. The sampling technique in this study is Non- Probability Sampling using accidental techniques, and then the results of data analysis are processed using SEM software. These results show that the main factor which can increase repurchase intention for traveloka.com is consumer trust. It is very important for Traveloka management team to increase consumer trust by increasing usefulness and security feature in traveloka.com

Keywords : Security Perception, Perception of Use, Trust and Repurchase Intention, Traveloka.