Plante first retired in 1965, but he was asked to come back to the NHL to play for a new team, the St. Louis Blues, in 1968. Plante was traded to the Toronto Maple Leafs in 1970, and then to the Boston Bruins in 1973. He joined the World Hockey Association, first as coach and general manager for the Quebec Nordiques in 1973–74. After his time with Quebec was not successful, Plante played goal for the Edmonton Oilers in 1974–75. Plante retired for the last time during training camp in the 1975-76 season.