Gas Prices in Charleston, SC

Gas prices near Charleston, SC are updated weekly. Prices in Charleston generally track the South Carolina statewide average. Browse our station finder for the most current local prices.

The cheapest gas in Charleston is typically found at warehouse club stations (Costco, Sam's Club, BJ's) and grocery store fuel centers. These membership-based stations often price 5–15 cents below branded stations like Shell, Chevron, and BP. Stations along major commuter corridors tend to compete aggressively on price.

In Charleston, Monday and Tuesday mornings are historically the cheapest times to fill up, before stations adjust prices heading into the weekend. Prices typically peak on Thursday through Saturday when weekend demand rises. Avoiding the Friday afternoon rush can save you 3–8 cents per gallon.

Gas prices in Charleston tend to track closely with the South Carolina statewide average, though urban stations with higher real estate costs may price slightly higher than suburban or rural stations. Larger metros with many competing stations often see sharper price cuts when crude prices fall.

Fuel requirements in Charleston depend on EPA clean air designations for South Carolina. Metro areas with air quality concerns may require reformulated gasoline (RFG), which burns cleaner but costs slightly more. Check the EPA's RFG areas page for Charleston's current status.