Travel from United States to Comoros is straightforward
This is the generic answer for any United States citizen. Not legal or medical advice — verify with your airline and destination authorities before travel.
United States passport holders can obtain a visa on arrival in Comoros for stays of up to 45 days.
Generic country-level guidance for Comoros. Verify against the official source before you travel.
This page covers a direct flight to Comoros. If your route connects through a third country, that country may require its own transit visa — sometimes even for a short airside layover. Transit rules depend on your specific routing, so check the country you connect through separately, or analyse your full itinerary.
You're travelling to Comoros (KM). Your home cellular plan may or may not include data abroad — check your carrier's international options before you fly. An eSIM is a low-commitment alternative if your plan doesn't cover the destination or charges high roaming rates.
Declare USD 10,000 or equivalent when entering or leaving United States (US). Form: FinCEN Form 105. Must declare $10,000+ in currency/monetary instruments on entry or exit
The US State Department publishes these advisories for your route. Comoros: Level 2 — Exercise Increased Caution (as of 2026-01-12). Review the country page for the specific areas and risks flagged before you go. This is a US State Department safety perspective, not an entry or boarding rule — it doesn't affect whether you can board, only what to be aware of on the ground. Travellers from other countries should also check their own government's advisory.
This page covers the generic case for any United States citizen. Sign in (free) to factor in your specific passport expiry, vaccinations, previous visas held, and connecting flights — and get the same analysis for your exact itinerary.
Sign in (free) to personalize →Your itinerary touches Comoros (KM), where malaria transmission occurs. Transmission is often region-limited within a country (e.g. coastal vs highland zones) and varies by season. Discuss prophylaxis with a travel medicine clinician — the right antimalarial depends on the specific region, your medical history, and any medications you take.
Typical September conditions at HAH (Comoros (KM)): mild. Typical lows around 18°C, highs around 27°C, some rain (~52mm for the month).