Thailand to Vietnam: what you need before you fly
Visa
No visa needed · up to 30 days
Ordinary passports. For a longer stay, apply only on the official e-visa portal, evisa.gov.vn.
Checked on Nov 3, 2026 · source
Forms to fill in
We know of no online form you must fill in before arriving. Check the official site, as this can change.
Rules change. This page is a summary of official sources, not legal advice; the government site and your airline have the final word.