Fabulous Double 11 Offers from CNY1,030* Qatar Airways, China. Take advantage of Qatar Double 11 offer to 150 exciting destinations around the world. Book by 13th November for travel from 1 November 2016 to 30 June 2017. Terms & Conditions: Sales validity: 1 13 November 2016. Travel validity: 1 Nov. 2016 30 Jun. 2017.