Gas prices continue to fall as we head into the holidays. Triple-A Arizona says the average price of gas fell about a cent-and-a-half from last week to $2.86 a gallon. In Flagstaff gas is down just over three cents on average to $2.80 a gallon. Some stations are selling gas for $2.65 a gallon and lower. In Prescott gas is down nearly two cents on average to $2.96 a gallon. Some stations are selling gas for $2.84 a gallon. Officials say the dip in prices will continue as supply keeps going up.