Vietnam Flight Guide. VIETNAM AIRLINE is the main airline for most domestic flight routes within Vietnam with many flights weekly. The three major hubs for domestic flights within Vietnam are Hanoi, Ho Chi Minh City, and Danang, with shorter domestic flights connecting through one of these hubs. VIETNAM AIRLINE is recommended as the first choice for all domestic flights within Vietnam. Currently, with operation of fleet of 49 aircraft including Boeing 777-200, Airbus 330, 320, 321, Fokker 70 and ATR72, Vietnam Airline carries more than 6.8 million people annually. That figure includes over 3.1 million passengers on international flights, and 3.7 million on domestic flights, more than one billion USD revenue. Internationally Vietnam Airline operates and code-shared co-operates to 38 destinations around the world, in Europe, Asia, Australia and the Middle East and domestically flies to 18 destinations.