Qantas is selling international flights for $100. Qantas is celebrating 100 years in the sky with $100 (USD) one-way tickets for three days only. The sale starts 9am (AEST) and only 100 tickets will be sold per day on Nov 20, 21 and 22. The destination is preselected as is the travel period but for $100, who cares. Pack your bags.