Average price for gallon of gas in Louisiana tops $4, setting a new record, AAA says The Citizen 4 years ago A gallon was $2.50 in Louisiana a year ago. Source: New feed Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X South Louisiana sees biggest gas price jump in at least two decades: War in Ukraine blamedDateMarch 7, 2022In relation toPlattenvilleAs gas prices soar near $4/gallon, here's where gas is the cheapest in Baton RougeDateMarch 8, 2022In relation toPlattenvilleHere's where to find the cheapest gas prices around Baton Rouge ahead of Memorial Day weekendDateMay 26, 2022In relation toPlattenville