Are U.S. citizens permitted to enter? Yes, current regulations allow U.S. citizens to travel directly from the United States to Portugal for non-essential travel (i.e. tourism) with proof of an accepted COVID-19 test (see below for approved tests).
Do I need to get a COVID-19 test before traveling to the US?
All air passengers coming to the United States, including U.S. citizens and fully vaccinated people, are required to have a negative COVID-19 test result no more than 3 days before travel or documentation of recovery from COVID-19 in the past 3 months before they board a flight to the United States.
Do travelers need to be quarantined when traveling internationally during the COVID-19 pandemic?
Fully vaccinated travelers do not need to self-quarantine in the United States following international travel.
Do I need to get another COVID-19 test if I have a connecting flight?
If your itinerary has you arriving to the US via one or more connecting flights, your test can be taken within the 3 days before the departure of the first flight.
Do fully vaccinated travelers need a COVID-19 test before travelling?
Fully vaccinated travelers do not need to get a SARS-CoV-2 viral test before or after domestic travel, unless testing is required by local, state, or territorial health authorities.
What is the COVID-19 test requirement for all air passengers arriving in the United States?
On January 12, 2021, CDC announced an Order requiring all air passengers arriving to the US from a foreign country to get tested no more than 3 days before their flight departs and to present the negative result or documentation of having recovered from COVID-19 to the airline before boarding the flight.
What happens if I don’t take a test and want to travel to the US?
Air passengers traveling to the US are required to present a negative COVID-19 test result or documentation of recovery. Airlines must confirm the negative test result or documentation of recovery for all passengers before boarding.