These determined the Western Canadian representative in the 1980 Allan Cup Final.
Champions
Semi-Final
Best of 5
- Spokane Camrose
- Spokane Camrose
- Spokane 8 Camrose 2
Spokane Flyers beat Camrose Maroons 3 wins to none.
Final
Best of 5
- Spokane 6 St. Boniface 3
- Spokane 11 St. Boniface 3
- Spokane 4 St. Boniface 0
Spokane Flyers beat St. Boniface Mohawks 3 wins to none.
Spokane Flyers advanced to the 1980 Allan Cup Final.