Listerine Flossers on Sale at Target Plus Coupons! .62 Cents The links in the post below may be affiliate links. Read the full disclosure Here. February 20, 2017 By: SMFMcomment Stop by Target and save on Listerine Flossers where you will pay just .62 cents after the sale and coupon! Buy 2 Listerine Flosser – $1.99 Each (Ends 4/15) Buy 1 Get 1 FREE Sale = $1.99 Use this $.75/1 Printable Coupon Final Cost: Only $.62 each!