The Ducks, who lead the Pacific Western Conference with 54 points, will play eight of their next nine games in a row.
Despite scoring the winning goal, Fowler did not realise his strike had decided the match.
“It was kind of a weird play,” Fowler told nhl.com. “It was kind of stuck in someone’s feet. So I just gave it a good whack, and by the time I stood up, I saw people celebrating. That’s how I knew.”
In Sunday’s other game, Florida Panthers came back from a 2-0 deficit after two periods against Toronto Maple Leafs to win 6-4.