Jonathan Granström was responsible for the fourth goal that concluded the game and he celebrated the joint effort of the team.
"This is the biggest thing that has ever happened to me. It feels fantastic," Granström told Radiosporten.
The third goal, by Calle Järnkrok, was criticised by Färjestad’s team captain Rickard Wallin for being offside, tabloid Aftonbladet reports.
The Brynäs team is already looking for new players for next season as several players such as Jakob Silfverberg, Johan Larsson and Mattias Ekholm are considering moving to the NHL.
Skellefteå lead AIK of Stockholm 3-2 in the other semi-final.