GuamPortugal: Visa-free
Guam
Portugal
Do United States passport holders need a visa for Portugal?
Visa-free
No. United States passport holders do not need a visa to visit Portugal for tourism for stays of up to 3 months within any 180-day period.
No visa is required for a short tourist stay. Travel on a valid passport alone.
Guam does not issue its own passport; residents travel on a United States passport. See the United States passport.
Source: eur-lex.europa.eu (checked September 3, 2026).
Travelling the other way? Portugal passport holders visiting Guam: eTA.
Other visa-free destinations for United States passport holders
Frequently asked questions
Do United States passport holders need a visa for Portugal?
No. United States passport holders do not need a visa to visit Portugal for tourism for stays of up to 3 months within any 180-day period.
How long can United States citizens stay in Portugal without a visa?
Up to 3 months within any 180-day period, for tourism, ordinary passport.
How far is Portugal from Guam?
About 13,614 km in a straight line, roughly ~16h 31m nonstop by air.
What currency is used in Portugal?
Euro (EUR).
What is the emergency number in Portugal?
112.
What time zone is Portugal in?
Lisbon (UTC+1).
What is the nearest airport to Lisbon?
Lisbon Humberto Delgado Airport (LIS), about 8 km away.
How many countries can enter Portugal without a visa?
138 of the 242 nationalities this site tracks can enter Portugal visa-free, with a visa on arrival, or with an eTA.
Visa rules change frequently and can depend on your specific circumstances. This site is compiled from public government sources and is provided for general information only. Always confirm requirements with the official immigration authority or a consulate of your destination before you travel.