Nordstrom Rack takes up to 65% off select Skechers footwear, with prices starting from $14.97. Shipping adds $7.95, or get free shipping on orders of $100 or more. Note that sizes and stock are limited. A couple of best bets:
Amazon offers Prime members the Skechers Women's GoWalk 3 FitKnit Walking Shoes in Black for $38.99 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $5.48. Finish Line charges a buck more.) That's the lowest total price we could find by $16. They're available in most sizes from 5.5 to 11.