Montreal improved to 4-0-2, joining the 1968-69 Canadiens as the only teams in NHL history to open a season with six road games and get at least a point in each of them.
''We took it one game at a time, I thought we played well and we got better as the games went on, and obviously building a little bit more chemistry along the way as well on the ice and off the ice,'' coach Claude Julien said.
Perry was promoted off the taxi squad to replace Joel Armia, who was concussed by a hit from Vancouver's Tyler Myers as the Canadiens trounced the Canucks 7-3 on Thursday. Perry, after 14 seasons in Anaheim and one with Dallas, signed a one-year deal with Montreal before this season.
''It was quick, the first couple shifts. But once you get in the flow of the game, I've played a few games in this league so it comes back,'' the 35-year-old Perry said. ''I felt good overall. The hands felt good. I played with some pretty good players tonight, so it made it easy on me.''
Montreal also got goals Saturday from Nick Suzuki, Brendan Gallagher, Jonathan Drouin and Joel Edmundson. Elias Pettersson and Nils Hoglander scored for Vancouver.
Carey Price made 23 saves to collect his 350th NHL win. Vancouver's Braden Holtby stopped 28 shots.
Gallagher put away the winner 9:07 into the third with a wrist shot from low in the faceoff circle.
Drouin added some insurance about two minutes later, beating Holtby on a breakaway, and Edmundson scored an empty-netter with 2:54 left on the clock.
The Canucks were down 2-0 heading in to the third and had been outshot 18-13 across the first two periods.
Pettersson ignited a comeback 3:50 into the final frame, batting a long shot by Jordie Benn out of the air and between Price's legs for his first goal of the season.
Hoglander tied it at 2 just over two minutes later with a backhanded shot from the slot that beat Price stick side.
''I felt bad for our group,'' Vancouver coach Travis Green said. ''I thought for 50 minutes it may have been our best game to date. A couple of mistakes cost us the game in the last 10 minutes.''
Perry's goal came 11:42 into the second period after Canucks defenseman Olli Juolevi rang a shot off the post. Montreal's Ben Chiarot found the puck deep in Vancouver territory and took off, dishing a pass to Perry in the neutral zone. The veteran right-winger slid a shot through Holtby's pads at the other end of the rink.
Tyler Toffoli was credited with an assist on the play, extending his point streak to four games (five goals, three assists).
The 1968 Canadiens opened with eight games on the road while renovations were completed on the Montreal Forum. They were 5-0-1 through six games and finished the stretch 6-1-1.
NOTES: A pair of veteran defensemen returned to Vancouver's lineup. Alex Edler slotted back in after missing Thursday's tilt with an undisclosed injury and Benn made his season debut after sitting out the start of the year due to COVID-19 protocols.
Canadiens: Head home to play Calgary on Thursday.
Canucks: Host Ottawa to begin a three-game series Monday.
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