The aim of research is to identify the importance of factors that influence customer intention of purchasing electronic air ticket (e-ticket). The research compares the difference in purchasing intentions based on e-ticketing between demographic groups of age, income, educational level, and online shopping experience. With the sample size of295 travelers, the regression models and ANOVA test are used to process and explain data. The research detects four components, namely, perceived system usefulness, perceived ease of use, perceived behavior control, and sec.zlrity of transaction that influence the consumer intention to buy e-ticket. The results implicate managerial solutions to develop electronic ticketing system in particular and e-commerce in general.