A single aisle airline jet captain would earn more in most (though not necessarily all!) UK airlines. Precisely how much more is a bit of a variable feast, but potentially approaching double that figure for a few.
I imagine a turbo-prop captain may be on an amount similar to the S92 figure?
However a jet (737/320) is likely to be capable of carrying 100-180 ish pax. Not the 19 of an S92. So I imagine economics come into the equation.