Visa is required for citizens of Laos to visit Vietnam. Laos nationals may have 2 options:
Visit Vietnam embassy in Laos
or apply for a visa on arrival
to Vietnam from Laos online.
Laos citizens may apply for both tourist and business visa to Vietnam for the stay of 1 to 6 months from Laos.
Please check this link for visa fee
for Laos citizens.
All the information for getting a visa from Vietnam embassy in Laos can be found here: updating...