There are plenty of budget airlines flying from Hong Kong, below you’ll find a list of those budget airlines, as well as the destinations they fly to directly from Hong Kong.
Destinations: Perth, Australia; Jakarta, Indonesia; Singapore
Destinations: Manila, Clark, Cebu, Davao
Destinations: Bangkok, Thailand; Kuala Lumpur, Malaysia
Destinations: Beijing, Changsha, Chengdu, Dalian, Fuzhou, Guilin, Hangzhou, Kunming, Qingdao, Sanya, Shanghai, Shenyang, Xiamen, Xian
Note: Aside from the airlines listed above, Viva Macau, flying from Macau is also a budget airline.