He was then traded to the Boston Bruins in the big Terry Sawchuk trade in 1955. He played the 1955-56 NHL season with the Bruins and then rejoined the Quebec Aces in 1956-57 QHL Season when they won the Edinburgh Trophy.
In 1957 he was claimed on waivers by the Montreal Canadiens, They put him on a line with Jean Beliveau and Bernie Geoffrion. Bonin had an excellent three seasons with the Habs, winning two more Stanley Cups.
His career was ended by a serious back injury after an on-ice collision with Pete Goegan in 1962.
- Quebec Junior Hockey League second all-star - 1950-51
- Alexander Cup - 1951-52
- Stanley Cup - 1953-54, 1954-55, 1958-59, 1959-60
- Edinburgh Trophy - 1956-57
- Quebec Hockey League first all-star - 1956-57