DENVER - Miikka Kiprusoff made 18 saves for his second shutout of the season, and Daymond Langkow scored his fifth goal in the Calgary Flames' 1-0 victory over the Colorado Avalanche on Thursday night.

Kiprusoff was rarely challenged in earning his 28th career shutout. Peter Budaj had 32 saves for the Avalanche, who lost both games of the home-and-home series with the Flames. Calgary beat Colorado 4-1 on Tuesday night.

The Flames have beaten Colorado in all four meetings this season. The first three games were in Calgary.

Langkow knocked in a rebound Mark Giordano's rebound with 9:44 left in the second period. Giordano took a shot from the left circle that bounced off of Budaj, and Langkow one-timed it for the game's only goal.

The Avalanche nearly tied it with less than two minutes left, but Kiprusoff stopped Milan Hejduk in the crease.

The Flames, who outshot the Avalanche 51-23 in Calgary on Tuesday night, held a 10-7 shot advantage in the first period. Colorado killed off three minor penalties in the frame but managed to get three good scoring chances. Marek Svatos and Ryan Smyth had the best chances, but Kiprusoff kept the game scoreless with two good saves.

Calgary's best scoring chances came when Adrian Aucoin hit a post with 7:51 left in the first period and Giordano hit the right post on a power play with 17:50 left in the second period.

Notes: Avalanche C Joe Sakic missed his fourth straight game and fifth in the last six with a back injury. He could return to the lineup Saturday at Los Angeles. ... Calgary F Jarome Iginla's assist on Giordano's goal was the 400th of his career. ... Calgary was 0-for-6 on the power play and Colorado was 0-for-1. ... Svatos sustained an abdominal injury in the second period. He didn't play in the third.