Money Gas prices more than $1 cheaper per gallon await most travelers over July Fourth holiday June 30, 2023 Mike Snider, USA TODAY Comments Off on Gas prices more than $1 cheaper per gallon await most travelers over July Fourth holiday This July Fourth holiday, a gallon of unleaded gas costs, on average, about $3.50, more than $1 less than a year ago, according to AAA and GasBuddy.