 and an 8% increase over 2019 before the COVID-19 pandemic. If you're traveling by car, it will cost less than it did last year. The average price of a gallon of unleaded regular is $3.50. That's down from $3.59 a month ago and a year ago when gas was $3.56. Gas prices, though, have increased in the last couple of days, in part because the price of oil has crossed the $80 a barrel mark.