The average price of gas in Arizona was unchanged from last week. Triple-A Arizona says gas is once again $2.92 this week. In Flagstaff, gas prices were down a cent from last week to $3.01 a gallon. However, some stations are selling gas at $2.79 a gallon and lower. In Prescott, the average price of gas remains at $3.01 a gallon. However, some stations are selling gas for $2.85 and lower. Officials say prices should start to head back down in the coming weeks as supplies recover across the country.