The Jets climbed within three points of Washington for the lead in the Southeast Division. Buffalo lost its fourth straight.
Buffalo's Drew Stafford tied the game 4:17 into the second period, but Enstrom put Winnipeg back in front with 7:05 to go in the stanza on a power-play goal.
Ryan Miller allowed all four goals on 32 shots.
Jordana Brewster on Paul Walker: 'He was an enormous presence in my life'
Benedict Cumberbatch's dramatic reading of R. Kelly lyrics is just what you need