Travel by flying is the best choice for your relaxing holidays. It saves your time but certainly costs money but I think it is value. If you fly to Vietnam, you can apply a Vietnam visa on arrival online and get the approval letter through email and then get visa at arrival airport. It is the cheapest method for you to visit Vietnam. After that you can have a boutique or luxury room to stay overnight. Nowadays, there are many tourists and business man use the method for their convenience.