Get your tickets for home games just a few feet from the entrance to Fenway Park.. In Short You can buy upper bleacher seats for $18 (up from $14) or spend $55 (a $10 increase) for upper field box seats. Field box seats are usually scooped up by season-ticket holders and are hard to come by. Call ahead to see if any are available. Grandstand seats are now $40 (a $12 increase), outfield grandstand seats will set you back $25, and the lower bleachers go for $20.