Vietnam guide for US travelers
Every fact links to its source. Schedules, fees and prices change, so confirm with the linked operator or official site before you book. Last checked: Oct 17, 2026.
Entry and visa rules for US citizens
- Visa: US citizens need a visa before travel. The e-Visa is the official online option; use only the government site. Exception: stays of 30 days or less on Phu Quoc island only. Vietnam e-Visa (official) · State Dept
- Exact dates: the e-visa is issued for the exact dates you request and cannot be extended in the country. State Dept
- Arrival form: travelers arriving by air on a non-Vietnamese passport must fill out a pre-arrival declaration form no earlier than 3 days before arrival. State Dept
- Passport: valid for 6 months beyond your arrival date, with at least 2 blank pages. Vietnam may not accept the US emergency passport for an e-visa. State Dept
- Safety: State Dept advisory Level 1 (issued Jun 24, 2026). State Dept
- Official sources: US State Dept Vietnam page. Summary cross-checked with our Visas & Entry page. Rules change; confirm before you book. Not legal or immigration advice.
Best time to go
- Vietnam is long, and its climate varies a lot by region. In the north the winter or dry season runs roughly November to April, with cool northeast monsoon winds. Wikipedia: Climate of Vietnam
- Plan by region: a trip covering Hanoi, central Vietnam and Ho Chi Minh City will likely meet different weather in each.
Getting there from the US
eSIMs and tours
- Buy a travel eSIM before you fly so you have data on landing. eSIM option: Airalo Vietnam eSIM (check your phone is unlocked and eSIM-compatible).
- Tours, cruises and transfers: Klook Vietnam
