Related: Melania Trump goes to Florida while president is in Switzerland
About 5:30 p.m. on Friday, Secret Service agents and a security detail with the Palm Beach County Sheriff's Office streamed out of the private terminal at Palm Beach International Airport that Air Force One and other presidential aircraft use.
The president went to Switzerland on Wednesday to speak at the World Economic Forum. He returned to Washington, D.C., about 7 p.m. Friday.
USA Today reported that the first lady had planned to accompany her husband to Switzerland but cancelled at the last minute. She instead visited the U.S. Holocaust Memorial Museum by herself on Thursday, before heading to Palm Beach. International Holocaust Remembrance Day is Saturday.
The president, first lady and their son, Barron, visited Mar-a-Lago during Martin Luther King Jr. Day weekend, from Jan. 12-15. They were scheduled to return last weekend for a big-ticket fundraiser at Mar-a-Lago, where the president planned to celebrate his first year in office. He scrapped those plans when the government shut down.
Palm Beach Daily News reporter Carla Trivino contributed to this story.