The presidential office has confirmed that U.S. President Donald Trump's daughter, Ivanka, will arrive in South Korea for a four-day trip on Friday and have dinner with President Moon Jae-in.
A senior administration official ruled out any possible meeting between Ivanka and officials from North Korea.
The announcement of the trip came after revelations that U.S. Vice President Mike Pence had planned to hold a meeting in Seoul with a high-level North Korean delegation that included leader Kim Jong-un's sister, but the North called off the meeting at the last minute.
Tensions have run high between the two countries as North Korea has pushed its nuclear weapons and ballistic missile programs to place the USA within striking range.
Trump administration officials said that the objective of the trip is to celebrate American athletes and to acknowledge the US alliance with South Korea.
The Games' opening ceremony saw Pence and the North Korean representatives seated in the same box, but they did not interact.
The White House also said that there are no plans for Ivanka Trump to meet with any officials from North Korea.
Pyongyang has used the Games to try to soften its image and push for talks with Seoul that could cut the odds of a U.S. military strike.
A senior administration official, speaking to reporters on condition of anonymity, said Ivanka Trump will dine with Moon at the Blue House in Seoul on Friday night.
She will be leading the American delegation to the closing ceremony of the PyeongChang Winter Olympics set for Sunday.
Seoul hopes the mood for reconciliation will lead to talks between Washington and Pyongyang to resolve the nuclear standoff.
Despite that, Washington has said it will maintain its campaign of "maximum pressure" on Pyongyang.