Understanding the depth of leadership and its effects on organizational outcomes have been a topic of complex nature, attracting scholars, and practitioners alike. This becomes more vital for tourism industry, where extent of competitive rivalry is extremely high as employees are vital in this sector. The current research examines the relationship between transactional leadership and organizational citizenship behavior of employees in tourism-related businesses. Furthermore, this study assumes that psychological contract fulfillment can moderate the relationship between leadership and perception of organizational justice, which can then mediate employees’ citizenship behaviors. Current research takes place in Lebanon, where the industry of tourism is highly important. Empirical evidence yielded from data analysis has shown support for moderating effect of psychological contract fulfillment on leadership and perception of justice linkage. This strengthens the perception of justice within the firm, which further proven to be of significance in terms of mediating transactional leadership and extra-role behaviors of employees. Theoretical development as well as practical implications have merged to aid the literature as well as managerial levels of tourism sector. JEL Classification: D23, M12, Z32