Passport validity
The source states no minimum passport validity.
Visa rules · Tourist entry
Other passports: see the rules for every passport visiting Puerto Rico.
The answer
A citizen of a foreign country who seeks to enter the United States generally must first obtain a U.S. visa, which is placed in the traveler's passport.
Puerto Rico is a US territory, and the US Visa Waiver Program applies there.
The source states no minimum passport validity.
These rules cover tourist visits. Work, study and transit follow other rules.
Other places Belize passport holders can visit without a visa, within 2,500 km of San Juan, nearest first.
Average high and low temperature and rainfall in San Juan, month by month.
Partner sites for flights, a place to stay, travel cover, and mobile data in Puerto Rico.
iVisa · Visa service
An agency can prepare and file your application for Puerto Rico for a service fee. You can also apply yourself through the official source above.
See visa help for Puerto RicoAviasales · Flights
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Booking.com · Stays
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EKTA · Insurance
Medical and trip cover for Puerto Rico.
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Airalo · eSIM
Mobile data from the moment you land.
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