Missouri Costco Gas Prices

Costco operates 8 fuel centers in Missouri across 6 cities, with the largest cluster in Kansas City (2 stations). Across the state, regular gas averages $4.124, premium runs about $0.58 higher at $4.705, and diesel sits at $5.099. The lowest-priced regular pump is at Costco Springfield in Springfield at $3.799, while S St Louis in Saint Louis sits about $0.50 higher. Across the state, regular pump prices have climbed about $0.51 over the past two weeks, from $3.617 two weeks ago. Premium has climbed about $0.55 and diesel has climbed about $0.45 over the same period. Diesel is sold at 1 of the 8 Missouri locations.