Minnesota overcame an 18-point deficit, outscoring Seattle 22-11 in the fourth quarter. Dantas' free throw gave the Lynx their first lead since it was 2-0.
Seimone Augustus led Minnesota (6-2) with 24 points. Dantas finished with 10, five in the final minute. Augustus moved past Chamique Holdsclaw for 16th place on the WNBA's career scoring list.
Sue Bird hit a 3-pointer with 1:00 remaining to give Seattle a 72-68 lead. Dantas scored the next five points and Minnesota made 3 of 4 free throws down the stretch. Bird's half-court heave at the buzzer hit the backboard.
Jenna O'Hea had 17 points for Seattle (2-5) and Bird added 16, 13 in the first half. The Storm lost their third straight home game.
Seattle made three consecutive 3-pointers, two by Abby Bishop, to take a 60-44 lead with 7:07 left in the third quarter. But the Storm only scored two points the rest of the quarter, going scoreless for five-plus minutes, and the Lynx pulled within 62-54.
UConn coach Geno Auriemma was in attendance, watching former players Bird, Renee Montgomery, Kaleena Mosqueda-Lewis, Maya Moore and Asjha Jones.