Tracked by Evreward since 2005, Wyndham Hotels & Resorts offers coupons and cash back rebates, with savings as high as 20% off. Wyndham Hotels & Resorts discount coupons are seasonal, appearing every three to four months. Even when Wyndham Hotels & Resorts doesn't have a coupon, you can always get up to $5 cash back, and other great rewards, with every purchase.