How many months can you stay in Portugal without a visa?
How many months can you stay in Portugal without a visa? If you are planning to travel to Portugal on a tourist or business trip for a period not to exceed 90 days, you do not need to apply for a visa. You are required to be in possession of a U.S. passport, valid for a minimum of three months beyond the length of your stay.
Can I live in Portugal as a US citizen?
US citizens may enter Portugal for up to 90 days for business or for tourism without the need for a Portuguese visa. If you would like to move to Portugal and spend more than three months there, then you'll need to get an appropriate visa or a residence permit.