Brayden Point and Pat Maroon scored, and Andrei Vasilevskiy made 17 saves for the Lightning (42-24-6), who have lost their past two games and remained three points behind the Toronto Maple Leafs for second place in the Atlantic. Toronto, which has two games in hand, lost 7-2 at the New York Islanders on Tuesday.
"Other than their first power play, which was really, really dangerous, I didn't really sense scoring chances at all," Tampa Bay coach Jon Cooper said. "So, everything they touched went in the net and we, for some reason, lost our scoring touch tonight. So yeah, that's a tough one for us."
Kirby Dach scored in his first game since Feb. 14, Nick Suzuki had two assists, and Sam Montembeault made 31 saves for the Canadiens (28-37-6), who lost their previous two games, including 5-3 at Tampa Bay on Saturday.
"I liked our game," Montreal coach Martin St. Louis said. "It's fun because you played the same team last game so you have a lot of examples, you can really show the things you need to improve and the way you want to show up against them, the things you want to do. So, we were ready."