Compher represented the United States at the 2016 and 2017 IIHF World Women's U18 Championships, where she won gold. On March 1, 2019, Compher was named to the roster for the United States women's national ice hockey team at the 2019 IIHF Women's World Championship, where she recorded one assist in six games and won a gold medal. On February 25, 2020, Compher was again named to the roster for the United States at the 2020 IIHF Women's World Championship, however, the tournament was cancelled due to the COVID-19 pandemic. On March 30, 2021, Compher was again named to the roster for the United States at the 2021 IIHF Women's World Championship.