Manitoba was seeded sixth while Laurier was second.
Amanda Schnell and Leanne Kisil also scored for Manitoba, while Laurissa Kenworthy accoumnted for both Laurier goals.
The game preceded the championship final between the top-ranked McGill Martlets and defending champion Alberta Pandas, seeded third.
Earlier, No. 4 Moncton defeated No. 5 Ottawa 6-5 to finish fifth.