I would say you're looking at $ 2,500-$ 4,500 depending on the location, accomodations, and trophy quality.
I hunted Alberta last year and it was on the upper end of that range but it was with a very popular, very successful outfitter known for big bears.
I ended up shooting a beautiful color-phase 7'3", 365 lbs. boar with a 20 inch skull with my bow.
A bait hunt for black bears is a fantastic bow hunting opportunity in my opinion.
I researched a bunch of them and that is how I ended up with the range of prices I described.
Hope this helps and hope you find a hunt!
Was this a spring or fall hunt?