Never having played for any of Canada's national junior teams, Buckland was selected as an alternate to the senior women's 2011 FIFA World Cup squad following her performance in a January 2011 training camp. Prior to the tournament, she was additionally named to Canada's team for the 2011 Cyprus Cup, an annual invitational tournament. Canada went on to win the championship, defeating the Netherlands 2–1 in the final. Buckland did not play in any tournament games, later debut with the national team on May 15, 2011, a 1–1 friendly draw against Switzerland. At the World Cup, held in Germany, Canada failed to advance from the group stage after losing all three of their games; Buckland did not appear in any contests.