Nov 4, This includes % of the medication cost, no matter the retail price. Price Comparison Chart. advair inhaler hfa diskus Is Prescription Hope An Advair Coupon Card, Generic, Or Insurance Product? Prescription Hope is not. Feb 4, Update: The FDA approved the first generic version of Advair Diskus reduce your cost to as low as $10 per inhaler—if you have insurance. Without insurance, Advair Diskus costs an average of $ The cost and coverage of Advair Diskus with insurance depends on your particular insurance.