St. Louis, which has won five of six, moved into fourth place in the Western Conference. The Blues have 58 points, one ahead of Los Angeles and San Jose. They can clinch the No. 4 seed and home ice in the opening round of the playoffs with a victory over Chicago on Saturday.
Los Angeles and San Jose will meet Saturday in the final regular-season game for both teams.
Calgary, which will miss the playoffs for the fourth straight year, has won five of eight but will end the season Friday at Chicago.
Elliott made 18 saves in improving to 10-2 in April. He has three shutouts in the month and has allowed only 15 goals.
I don't know the room very well yet. I don't know how we're going to react in certain situations. We've had a couple of minor tests throughout the [preseason] ... We'll get to know each other as the year goes on. We'll figure it out.
— Oilers coach Todd McLellan on starting the 2015-16 season without a captain
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