Looks like around $100+ for the Axles.
I added the site at bottom of this post for refrence.

CVU CV Axle Assembly 1995-2000 Kia Sportage CVU AXLE ASSEMBLY, DRIVER SIDE -- A High Quality Direct Fit Replacement, Remanufactured To OEM Specifications, With Manufacturer's Limited 7-Year Or 70,000-Mile Warranty
<img src="/forums/images/graemlins/smile.gif" alt="" />$47.98

CVU CV Axle Assembly 1995-2000 Kia Sportage CVU AXLE ASSEMBLY, PASSENGER SIDE -- A High Quality Direct Fit Replacement, Remanufactured To OEM Specifications, With Manufacturer's Limited 7-Year Or 70,000-Mile Warranty
<img src="/forums/images/graemlins/smile.gif" alt="" />$49.04

Site: Copy and past to browser.

http://www.car-stuff.com/mmparts/kia-sportage/axle_assembly.html