Vietnamese airlines increase frequency of flights to and from Asian de… stockbot 0 98 2022.01.17 00:00 http://vietnamnews.vn/society/1115745/vietnamese-airlines-increase-fre… + 18 https://vietnamnews.vn/rss/society.rss + 3 The Civil Aviation Authority of Việt Nam (CAAV) has decided to increase the frequency of international flights to Japan, Korea, Taipei (China) and Singapore.