Travel from Portugal to Guam is straightforward
This is the generic answer for any Portugal citizen. Not legal or medical advice — verify with your airline and destination authorities before travel.
Portugal passport holders can travel to Guam without a visa for stays of up to 90 days on arrival from overseas for 2 years, ESTA.
Generic country-level guidance for Guam. Verify against the official source before you travel.
This page covers a direct flight to Guam. 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.
No visa required for entry to Guam. Stays of up to 90 days on arrival from overseas for 2 years, ESTA are permitted under the visa-waiver agreement.
You're travelling to Guam (GU). 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 EUR 10,000 or equivalent when entering or leaving Portugal (PT). Form: Cash declaration form. EU-wide: declare €10,000+ when entering/leaving the EU. Individual member states may have additional rules.
This page covers the generic case for any Portugal 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 GUM (Guam (GU)): wet. Typical lows around 24°C, highs around 30°C, frequent rainfall (~317mm for the month). Expect frequent rainfall this month (~317mm typical). Pack a compact rain shell and a small umbrella.