Toronto, ON – Joffrey Lupul scored twice in regulation and goal deficit to down 3, at Air Canada Centre.
Phil Kessel added a goal and two assists for the Maple Leafs, who improved to 4-0-1 in the early going.
James Reimer stopped 26-of-29 shots through 65 minutes then both chances in the shootout to earn the win.
Tobias Enstrom and Alex Burmistrov lit the lamp for the Jets, who have lost four of five to begin their initial Canadian campaign.
Mark Schiefele netted his first career NHL goal, but Ondrej Pavelec allowed tallies to Lupul and Matt Frattin in the shootout to take the loss.
