This depends on what you are buying but overall alcohol in Italy is not as expensive as other European countries like Ireland and the UK. Wine, the quality side, can be very cheap to purchase in Italy. In some places, you can buy one liter for as low 2-3 Euros ($2.25). Beer is surprisingly expensive throughout Italy. A pint of beer in a bar or cafe can run as much as 5-6 Euros ($6). Spirits, depending on the type, vary in price and are mostly in line with pricing around Europe.