Program rules change periodically, but the current offer is for frequent passengers to receive one free ticket anywhere Greyhound goes after purchasing 16 one-way tickets (or 8 round-trip tickets). Discounts. . Nov 16, 2016 The short answer is yes. Save 10 by purchasing online. Get Deal. . Coupon are all verified. ca. . Greyhound offers various discounts throughout the year. Payment & ticket options.