Lindberg inked a one-year deal with KHL side Dynamo Moscow on Friday.
Lindberg inked a one-year contract with EV Zug of the NLA on Monday.
Lindberg is heading to Ottawa along with Erik Brannstrom in exchange for Mark Stone, Bruce Garrioch of the Ottawa Sun reports.
Lindberg has just two goals and nine points in 2018-19.
Lindberg has served as a healthy scratch for the Golden Knights last seven games.
Lindberg scored twice in Saturday's 5-4 preseason home win over the Sharks.
Lindberg (undisclosed) will rejoin the lineup Wednesday against the Coyotes, David Schoen of the Las Vegas Review Journal reports.
Lindberg (undisclosed) has a "good chance" of playing Wednesday night against the visiting Coyotes, according to Vegas coach Gerard Gallant, David Schoen of the Las Vegas Review Journal reports.
Lindberg (undisclosed) was on the ice for Monday's game-day skate in a non-contact sweater, Steve Carp of the Las Vegas Review-Journal reports.
Lindberg (undisclosed) was scratched from Friday night's lineup against the WIld, according to an NHL.com roster report.