A case of Corona Extra beer, which typically consists of 24 bottles of beer, is $24 on average. Corona Extra averages $1 a beer, whether it is purchased in a six-pack, 12-pack or case of 24.
The cost of a 24-pack case of Corona Extra beer varies based on the store where it is purchased and whether the store has active sales or promotions. Some cases of Corona Extra are smaller with 12 bottles of beer, bringing the price down to an average of $12 for the case. Corona Extra is a lager beer with a 4.6 percent alcohol content.