He will join the team in Philadelphia on Tuesday ahead of their game against the Flyers at Wells Fargo Arena.
Primeau has a 14-14-7 record in 35 appearances with the Rocket this season, along with a 3.13 goals against average and .906 save percentage.
The 23-year-old made six saves in 20 minutes of action on January 19 in his only appearance with the Canadiens this season.