Lillard also distributed eight assists for Portland, which reeled off a sixth straight win.
LaMarcus Aldridge contributed 25 points and 11 rebounds for the Blazers.
Nicolas Batum helped out with 24 points and Wesley Matthews supplied 17.
The Raptors dropped a second consecutive game despite 30 points and 10 rebounds from Rudy Gay.
DeMar DeRozan contributed 29 points and Jonas Valanciunas added 19 for Toronto.