P.A. Parenteau also added his first goal in an Avalanche sweater midway through the third period to help the team bounce back from a season opening loss in Minnesota.
But Landeskog beat Quick with a shot off a rebound early in the third. Soon after, Jones followed by sending a wrist shot over Quick's outstretched glove on a power play.
Semyon Varlamov made the lead hold up as he finished with 28 saves in front of a revved-up crowd.