How much did wine cost in Ancient Greek times?

Answer 1

The quality and reputation effected the price of wine in Ancient Rome. Citizens were able to pick cheap wines or expensive wines depending on what they were prepared to pay. An average mug of wine might cost about one obol.

Answer 2

Whatever you were prepared to pay for it, according to quality and reputation, as is the case today. As an indication, a plate of food might cost two obols and a mug of wine one obol.