1 According to the site TerrificTests.com, the price for hernia surgery for dogs can cost anywhere from $1,100 to $2,000. 2  DogChannel.com shows information regarding hernia surgery for dogs as well as different pricing for the procedure.3  They list that the price for the hernia surgery can fall between $750 to $1,600. On average, this type of surgery can cost anywhere from $700 to $2,000. 2  The size of the dog, as well as the severity of the condition can greatly influence the price tag.