Straight answer, official source, and how long it takes.
No visa for tourism: US passport holders can visit Thailand visa-free for up to 30 days (tourism only). Business trips need a visa.
No visa application needed for United States passport holders on a short tourist or business trip. Just check your passport meets the validity rules below before you fly.
Book a travel clinic appointment 6–8 weeks before you fly.
Required only if you're travelling from — or transiting through — a country with active transmission.
Certificate required if arriving from (or transiting) a country with yellow fever transmission risk.
Not required for entry — advised by NHS / CDC for most travellers.
Recommended — food & water borne.
Recommended, especially for longer stays or rural travel.
Consider for rural travel, cyclists, and long trips.
Consider for rural stays, especially in monsoon season.
Which countries require the certificate, timing, cost, and the 10-day validity rule.
Not medical advice. Always confirm with your GP, travel nurse, or a Yellow Fever Vaccination Centre — requirements change and can vary based on where you're arriving from.
Since 15 September 2026, US passport holders can enter Thailand without a visa for up to 30 days for tourism only, normally up to two exempt entries per calendar year. Business meetings, conferences and other business activity need the appropriate visa before travel. Complete the free Thailand Digital Arrival Card within 3 days before each arrival.
For United States passport holders, tourism or short business trips.
| Passport | Regular US passport |
|---|---|
| Purpose | Tourism only |
| Visa required | No, not for short stays |
| Maximum stay | Up to 30 days (tourism only) |
| Passport validity | Not confirmed in the sources we checked for US passports; check the official source |
| Return/onward ticket | Proof of onward travel within 30 days may be requested |
| Arrival form | Thailand Digital Arrival Card (TDAC) — free, within 3 days before each arrival |
| Last checked | 4 October 2026 |
No visa is required for US citizens visiting Japan for tourism for stays under 90 days.
Read the dossierYes, U.S. citizens need a visa for Vietnam — either an eVisa (evisa.gov.vn) or a visa from a Vietnamese embassy, arranged before travel. The only exception is stays of 30 days or less on Phu Quoc island.
Read the dossierUS citizens need a visa for India, with an eVisa option available for tourist travel.
Read the dossierHuman-checked
Every dossier is written from official government sources, then re-checked on 4 Oct 2026.
Auto-monitored
An hourly job re-scans official sources for changes. Anything fishy triggers a manual review.
Not legal advice
Always cross-check with the linked official source before you book. Read our methodology and disclaimer.