Ryder's power-play goal early in the second period gave the Habs a 2-0 advantage and Alex Galchenyuk also scored as Montreal improved its lead over second-place Boston to three points in the Northeast Division.
Price was busiest in the second period, when he turned aside 11-of-12 Bruins shots en route to the victory.
P.K. Subban assisted on both goals for Montreal, which notched its fifth win in six games.
Selena Gomez drops F-bomb, walks off stage during Jingle Ball performance
Ukrainian protestors topple Lenin statue [VIDEO]