Internationally Boucha played for the American national team at two World Championships and at the 1972 Winter Olympics, where he won a silver medal.

[2] While serving in the U.S. Army, Boucha joined the United States national ice hockey team on a full-time basis in 1970 as the U.S. won the "Pool B" qualification tournament.

He participated in the 1971 Ice Hockey World Championships in Bern, Switzerland where he scored seven goals in ten games for Team USA.

Boucha was enjoying a solid year in his home state; on January 4, 1975, he was assaulted in a highly publicized stick incident by Dave Forbes of the Boston Bruins.

He attempted a comeback with the Minnesota Fighting Saints of the WHA in 1975–76 and then returned to the NHL as a free agent with the Kansas City Scouts in later 1975-76.