Jarrod Agen, Pence's deputy chief of staff, said Pence would travel to the Olympics "to reinforce the strong US presence on the Korean Peninsula and send a clear message of American resolve to the North Korean regime".
The ministry said the hermit state is apparently keen to discuss logistics of the performers' trip to the South before planning its athletes and supporters' attendance at the Games.
North Korea has proposed working-level talks with the South to discuss sending performing artists to the PyeongChang Olympic Winter Games.
The South has also offered to combine with the North for the opening and closing ceremonies, with the two countries marching together under a unified flag.
Seoul's Unification Ministry said Saturday that the North offered to hold the talks on Monday on the North Korean side of the Panmunjeom border village.
Yonhap said South Korea has asked the International Olympic Committee (IOC) and the International Hockey Federation for permission to expand the roster of its women's hockey team, to bring in North Korean players.
The President of the Olympic Council of Asia, Sheikh Ahmad Al Fahad Al Sabah, believes the power of sport to unite the world is in evidence again following DPR Korea's agreement to attend the Olympic Winter Games in the Republic of Korea next month. In 1991, they joined forces at the World Table Tennis championships and the football under-20 World Cup.
It isn't clear which North Korean athletes will take advantage of wildcard entries reportedly under consideration by the IOC.
"Even if we have one Korean team in women's hockey, we'll make sure it will not come at the expense of South Korean players", he said, according to Yonhap.
The women's ice hockey teams in the North and South aren't unfamiliar with each other.