This research on a casual model of passenger service quality factors at Suvarnabhumi Airport aimed 1) to study integrated marketing communications, service quality, passenger satisfaction, and passenger loyalty, 2) to analyze both direct and indirect factors of service quality, and 3) to develop a casual model of passenger service quality management factors.The hypothesized model was based on the service quality, satisfaction, and loyalty. The results will be beneficial to airport management for planning and marketing communications. Both ...