Tags flights from HCM City to Ha Noi HCM City-Ha Noi flights to change route Friday, Oct 17, 2014 Aviation authorities from Viet Nam, Laos and Cambodia had agreed to launch a straight air route from HCM City to Ha Noi over Lao and Cambodian airspace from June 2015 onwards, according to Head of the Civil Aviation Authority of Viet Nam (CAAV)...