This chapter explores the importance of the transport sector for tourism with primary emphasis on air transport. Further to the introduction, Section 2 discusses the systemic relationship between the two sectors, applying, among other things, the characteristics theory of demand in the context of air transport and tourism. Section 3 then focuses on the airline industry examining alternative business models, including the low cost one. Section 4 examines developments in airports and their role as gateways to tourism destinations. Section 5 discusses the importance of information and communication technologies for air transport while Section 6 summarises and concludes by arguing that the strong interrelationship between the air transport sector and the tourism industry should be better understood by the authorities responsible for devising policies related to regional economic development.