Davis Drewiske and Jarret Stoll also scored for the Kings, who halted a two-game losing streak.
Bernier took over in net after Los Angeles gave regular goalie Jonathan Quick a rest and responded by turning aside 21-of-22 shots.
Alex Steen got the only goal for struggling St. Louis, which dropped its fifth straight.
Brian Elliott managed to record just 19 saves in the Blues' loss.
|Additional Sports News Stories|
CANNES, France, May 25 (UPI) --A Russian man paid $1.5 million to sit next to Leonardo DiCaprio on the maiden voyage of the Virgin Galactic trip into space.
WASHINGTON, May 24 (UPI) --The U.S. Food and Drug Administration says it's taken a close look at a mobile app that analyzes photos of urine samples and has been in contact with its maker.