There are two ways to get Vietnam Visa from Hong Kong as follows:
1. Get Vietnam Visa through Vietnam Consulate in Hong Kong
Processing time: 2 days (normal) for 1-month visa Processing fee: $300HK Urgent type: get after 15 mins (only for 14-day visa); Costs an extra $500HK
Contact Vietnam Consulate in Hong Kong:
Address: 15/F, Great Smart Tower, 230 Wan Chai Road Wan Chai, Hongkong Tel: (852) 2591 4517 / 2591 4510 Fax: (852) 2591 4524 / 2591-4539
How to get there? You go to Wan Chai road, you will see Great Smart Tower Building. Enter from Canal Road East and it is not far from there.
2. Get Vietnam Visa on arrival via online service
The considered quicker and easier way to get Visa to Vietnam from Hong Kong is to apply online for a Visa on Arrival. However, this method is applicable to air travel only. Our service costs is only 15$ US for one application. This is the cheapest option to get vietnam visa.
3. Useful link:
http://coinmill.com/HKD_USD.html to convert currency from HKD to USD