Costco Louisiana Gas Prices

Costco operates 4 fuel centers in Louisiana, spread across 4 cities. Across the state, regular gas averages $3.402, premium runs about $0.772 higher at $4.174, and diesel sits at $5.099. The lowest-priced regular pump is at Costco Lafayette in Lafayette at $3.339, while Covington in Covington sits about $0.160 higher. Across the state, regular pump prices have climbed about $0.025 over the past month, from $3.377 a month ago. Premium has climbed about $0.022 and diesel has climbed about $0.300 over the same period. Diesel is sold at 1 of the 4 Louisiana locations.

If your vehicle takes premium, the lowest in Louisiana is Costco Lafayette in Lafayette at $4.089. The cheapest diesel is at Costco Lafayette in Lafayette at $5.099. Pump prices shift from one warehouse to the next with local taxes, fuel-blend rules, and transport costs, but Costco fuel is members-only and usually runs below nearby branded stations — which is what keeps these pumps busy.