Lake Charles, Louisiana - We are always looking for ways to help you save a little money, especially when it comes to filling up your vehicle. Each week, we take a look at gas prices around Southwest Louisiana to find some of the cheapest places to buy fuel in the Lake Charles area. Gas prices in the Lake Charles area are currently averaging around $3.74 per gallon for regular unleaded fuel. Louisiana Gas Price BreakdownRegular: $3.69 per gallonMid-Grade: $4.15 per gallonPremium: $4.54 per gallonDiesel: $5.00 per gallonREAD MORE: When Does School Start in Southwest Louisiana in 2026? Brandon Bell, Getty Images Brandon Bell, Getty ImagesCheapest Gas Prices Around Lake Charles & SWLA (July 29, 2026)Love’s Travel Stop (2024A West St, Vinton, LA) - $3.34 Kroger (4760 Nelson Rd, Lake Charles, LA) - $3.34 Walmart (260 Sam Houston Jones Pkwy, Lake Charles, LA) - $3.37 Murphy USA (527 N. Cities Service Hwy, Sulphur, LA) - $3.38 Kroger (1421 S Beglis Pkwy, Sulphur, LA) - $3.38 Walmart (2011 Ryan St, Lake Charles, LA) - $3.38 Sam’s Club (2025 Sam’s Way, Lake Charles, LA) - $3.38 Murphy USA (3441 Nelson Road, Lake Charles, LA) - $3.39 Circle K (5721 Nelson Rd, Lake Charles, LA) - $3.39 TorStop (2060 Ruth St, Sulphur, LA) - $3.39