The LA goaltender stopped five more shots than he had in any other game this season to snap the Kings' two-game skid.
Florida fell to 1-2 on a four-game road trip.
Jack Johnson scored 1:35 into the contest for Los Angeles and Dustin Brown made it a two-goal lead with 5:47 to go in the second period. Sean Bergenheim tallied 1:26 later for the Panthers to complete the scoring.
Jose Theodore made 24 saves for Florida, which closes out its road trip in San Jose Saturday.
Duggar sisters unveil Christian dating rules in new book
Ohio bar shooting arrested, charged with murder