Patrick Kane netted a brace for the Blackhawks with additions from Bryan Bickell, Marcus Kruger and Nick Leddy as the Kings equalled their goal total from the previous six games as Drew Doughty, Anze Kopitar and Tyler Toffoli got on the scoresheet.
While Ryan O'Reilly scored a power-play goal in overtime as the Colorado Avalanche defeated the New Jersey Devils 2-1 after.
Ryan Carter opened the scoring for the Devils and PA Parenteau equalised for the Avalanche before O'Reilly struck the winner.
Meanwhile as Pacific Division leaders the Anaheim Ducks suffered a 4-2 loss at home to the Columbus Blue Jackets to make it two defeats on the bounce.
Ryan Johansen and RJ Umberger put the Blue Jackets 2-0 up before Mathieu Perreault got one back for the Ducks, but a further goals from Nick Foligno meant Ryan Getzlaf's effort was in vain.
The Philadelphia Flyers were conquers in another high-scoring match as they were 5-2 victors at the San Jose Sharks.
Matt Nieto's two goals in the first period put the Sharks in the lead after Mark Streit had scored the opener for Philadelphia, but Matt Read, Michael Raffl, Claude Giroux and Jakub Voracek scored consecutive goals in the third period to win it for the Flyers.
In other games, the Edmonton Oilers beat the Buffalo Sabres 3-2, the Pittsburgh Penguins claimed a 2-1 overtime victory over Ottawa Senators, and the Detroit Red Wings saw off the Vancouver Canucks 2-0.