The Ile des Chenes North Stars withdrew in early January 2019.
- Ile des Chenes North Stars (withdrew January 2019)
- Norway House Bruins
- Ste. Anne Aces
- South East Prairie Thunder
Best of 3
|1||Norway House North Stars||2||Ste. Anne Aces||5||February 16||Ste. Anne Arena|
|2||Norway House North Stars||3||Ste. Anne Aces||2||February 17||Sagkeeng Arena|
|3||Norway House North Stars||0||Ste. Anne Aces||9||February 18||Ste. Anne Arena|
|Ste. Anne Aces defeated Norway House North Stars 2-games-to-1|
Best of 3
|1||Ste. Anne Aces||3||South East Prairie Thunder||4 (2ot)||March 3||Seven Oaks Arena|
|2||South East Prairie Thunder||4||Ste. Anne Aces||0||March 15||Ste. Anne Arena|
|South East Prairie Thunder defeated Ste. Anne Aces 2-games-to-none|
The playoff champion wins the Pattison Cup and advances to the 2019 Allan Cup as the decision was announced that the unused Quebec spot would go to the Western Region (Manitoba-Saskatchewan). Thus, the two provinces representatives both advance to the 2019 Allan Cup being held in Lacombe, Alberta.