Virginia gas prices have fropped by about a penny a gallon from last week according to price tracking website GasBuddy. The average price for regular is $3.29 a gallon and that’s $1.25/gallon higher than a year ago.But that’s still under the national average of $3.40/gallon. the cheapest station in Virginia is priced at $2.92/gallon while the most expensive is $3.89/gallon, a spread of 97 cents.