Jetstar Airways Pty Ltd, operating as Jetstar, is an Australian low-cost airline headquartered in Melbourne. It is a wholly owned subsidiary of Qantas, created in response to the threat posed by airline Virgin Blue. Jetstar is part of Qantas' two brand strategy of having Qantas Airways for the premium full-service market and Jetstar for the low-cost market. Jetstar carries 8.5% of all passengers travelling in and out of Australia.