The main objective of this study aims to develop the role of Airline in supporting sustainable tourism development (STD). The specific objectives are: 1) to evaluate current performance of the airline in supporting STD 2) to analyze the factor of passenger’s awareness to STD, passenger’s willingness to supporting STD, passenger’s expectation to STD performance of airline and passenger’s perception to STD performance of airline 3) to compare the difference between passenger’s expectation to STD performance of airline and passenger’s perception to ...