Travel from Mongolia to Sierra Leone is conditional — see requirements below
This is the generic answer for any Mongolia citizen. Not legal or medical advice — verify with your airline and destination authorities before travel.
Mongolia passport holders must obtain an eVisa before travelling to Sierra Leone for stays of up to 3 months.
Generic country-level guidance for Sierra Leone. Verify against the official source before you travel.
This page covers a direct flight to Sierra Leone. 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 Sierra Leone (SL). 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.
The US State Department publishes these advisories for your route. Sierra Leone: Level 2 — Exercise Increased Caution (as of 2025-09-15). 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.
Your itinerary touches Sierra Leone (SL), 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.
This page covers the generic case for any Mongolia 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 →Typical September conditions at FNA (Sierra Leone (SL)): very wet. Typical lows around 23°C, highs around 29°C, heavy rainfall (~501mm for the month). Expect heavy rainfall this month (~501mm typical). Waterproof shell, covered shoes, and waterproof bag liner are strongly recommended; outdoor plans may need backup dates.
Your Mongolia (MN) passport requires an e-Visa for Sierra Leone. e-Visas need an online application, may require supporting documents (photos, itinerary, hotel bookings), and have processing windows from same-day to two weeks. Apply before booking the flight. Source: Wikipedia visa matrix, synced 2026-06-21T10:11:55.888854+00:00.