Where's the cheapest gas in Sioux Falls?
(SIOUX FALLS, SD) According to Sioux Falls gas price data, you could be saving up to $0.61 per gallon on gas. According to a survey by GasBuddy, Sam's Club at 3205 S Louise Ave was the cheapest station in the area, with regular listed at $2.63 per gallon at the pumps Wednesday. That was compared to Casey's at 500 N Kiwanis Ave, where a gallon of regular was selling for $3.24. Prices for all grades of gas change from day to day, meaning which station is cheapest can change, too. As of 05:57 PM, Tuesday, the average price was $2.87 per gallon for regular. Check out GasBuddys list of stations in the area, starting with the cheapest:  Sam's Club 3205 S Louise Ave, Sioux Falls  Regular Midgrade Premium Diesel card card $ 2.63 $ -- $ 2.87 $ --  Costco 3700 S Grange Ave, Sioux Falls  Regular Midgrade Premium Diesel card card $ 2.66 $ -- $ 2.94 $ --  Conoco 3725 N Cliff Ave, Sioux Falls  Regular Midgrade Premium Diesel card card $ 2.74 $ -- $ -- $ --  Sinclair 3700 N Potsdam Ave, Sioux Falls  Regular Midgrade Premium Diesel card card $ 2.74 $ -- $ -- $ 2.99  Fleet Farm 3035 West Fleet, Sioux Falls  Regular Midgrade Premium Diesel card card $ 2.74 $ -- $ 3.49 $ 3.09  Flying J 5201 N Granite Ln, Sioux Falls  Regular Midgrade Premium Diesel cash cash $ 2.74 $ 3.13 $ 3.47 $ 3.49 card card $ 2.87 $ 3.13 $ 3.47 $ 3.55  Note: All comparisons reference lowest recorded price for regular grade gasoline and were accurate as of 05:57 PM, Tuesday, based on data from GasBuddy.