But for both women, the climbing postseason cost of beer at Wrigley is a little concerning. A can of Budweiser is now $10.50, up from $9.75 in the 2016 NLCS. That beer was $10 in the 2017 regular season. Creeping beer costs at Wrigley Field, now among the most expensive baseball parks in the nation for fans to visit, are not a deal-breaker, many said, but the steep prices could deter potential new fans from becoming regular patrons of the stadium.