1948-49 was the third season of the Western International Hockey League.
The league champion Spokane Flyers went on to face the Windsor Spitfires in a best-of-seven series for the national amateur hockey title.
Best of 5
Spokane Flyers beat Kimberley Dynamiters 3 wins to 1.
Note: Spokane Flyers were not eligible for the Allan Cup so the Kimberley Dynamiters advanced to the final. The Spokane Flyers did advance to the 1948-49 United States National Senior Championship.
Best of 5
Trail Smoke Eaters beat Nelson Maple Leafs 3 wins to 2.
Best of 5
Trail Smoke Eaters beat Kimberley Dynamiters 3 wins to none, 1 tie.
This was the only senior league in the province so the Trail Smoke Eaters advanced to the 1948-49 Western Canada Allan Cup Playoffs.