Straight answer, official source, and how long it takes.
U.S. citizens can purchase a 90-day tourist visa on arrival for $10.
Add your travel date and we'll tell you exactly how much to panic, based on typical processing times.
Full visa applications can take several weeks.
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.
A tourist visa can be purchased upon arrival in Nicaragua for U.S. citizens, allowing a stay of up to 90 days. However, the U.S. government has a Level 3 'Reconsider Travel' advisory due to significant risks including crime, health concerns, and the serious risk of wrongful detention and arbitrary enforcement of local laws.
For United States passport holders, tourism or short business trips.
| Passport | Regular US passport |
|---|---|
| Purpose | Tourism |
| Visa required | Yes — visa required |
| Maximum stay | 90 days (with a visa purchased on arrival) |
| Passport validity | 6 months beyond your arrival date |
| Return/onward ticket | Yes, although not explicitly stated, it is a common requirement for obtaining a tourist visa and smooth entry; verify on the official source. |
| Arrival form | None mentioned, but prepare for possible additional entry procedures. |
| Last checked | 28 June 2026 |
U.S. citizens need an eVisa for tourism in Brazil starting April 10, 2024.
Read the dossierNo visa is required for US citizens visiting Argentina for tourism for stays up to 90 days.
Read the dossierU.S. citizens do not need a visa for tourist stays in Chile.
Read the dossierHuman-checked
Every dossier is written from official government sources, then re-checked on 28 Jun 2026.
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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.