Straight answer, official source, and how long it takes.
No visa for tourist stays of 90 days or less. You need a return or onward ticket.
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.
No vaccine — antimalarials + bite avoidance recommended for risk regions.
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.
The US State Department says US tourists don't need a visa for 90 days or less, must have a return or onward ticket, and need a passport valid 6 months beyond arrival with a blank page per stamp. Any online pre-check or arrival form was not confirmed.
For United States passport holders, tourism or short business trips.
| Passport | Regular US passport |
|---|---|
| Purpose | Tourism |
| Visa required | No, not for short stays |
| Maximum stay | 90 days or less (US State Department) |
| Passport validity | Valid 6 months beyond arrival; 1 blank page per stamp (US State Department) |
| Return/onward ticket | Yes — return or onward ticket required (US State Department) |
| Arrival form | Not confirmed in the sources we checked — check official requirements before travel |
| Last checked | 28 June 2026 |
Yes, U.S. citizens need an eVisa for tourism or business trips to Brazil (required since 10 April 2025). Apply online before travel.
Read the dossierNo visa is required for US citizens visiting Argentina for tourism for stays up to 90 days.
Read the dossierEligible US regular-passport tourists need no visa for up to 90 days in Chile, as granted at entry.
Read the dossierHuman-checked
Every dossier is written from official government sources, then re-checked on 28 Jun 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.