The Canadian bond issue comprises $C750 million ($A732.8 million) 3.23% bonds due 2023.
The company said the proceeds would be used for debt refinancing, including the retirement of commercial paper.
It comes only two weeks after the miner priced a euro bond under the same program.
That bond issue comprised €750 million 3.125% bonds due in 2033 with the proceeds to be used for debt refinancing.
BHP shares closed 2.4% up yesterday to $A33.67.