Australian Airlines was a full-service airline based in Australia, serving Australian and Asian destinations between 2002 and 2006. It was an all-economy, full-service international leisure carrier, and was a wholly owned subsidiary of Qantas. Its main hub was at Cairns Airport, with a secondary hub at Sydney Airport.

Qantas Airways Limited is the flag carrier of Australia. It is the largest airline by fleet size, international flights, and international destinations in Australia and Oceania. Qantas is the world's third-oldest airline by foundation date and the oldest airline in the English-speaking world — being founded in November 1920. Qantas is a founding member of the Oneworld airline alliance.