Costco South Carolina Gas Prices
Find the cheapest Costco gas in South Carolina— every fuel center ranked by today's price.
7 Costco fuel centers in 7 cities · 0 of 7 sell diesel
Costco operates 7 fuel centers in South Carolina, spread across 7 cities. Across the state, regular gas averages $3.249 and premium runs about $0.71 higher at $3.963. The lowest-priced regular pump is at Costco Spartanburg in Spartanburg at $3.079, while Mt Pleasant in Mount Pleasant sits about $0.38 higher. Across the state, regular pump prices have eased about $0.24 over the past month, from $3.493 a month ago. Premium has eased about $0.31 over the same period.
If your vehicle takes premium, the lowest in South Carolina is Costco Spartanburg in Spartanburg at $3.589. 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.
30-day South Carolina average price trend
Browse South Carolina cities
All South Carolina stations by price
| Station | Regular | Premium |
|---|---|---|
| Spartanburg Spartanburg | $3.079 | $3.589 |
| Columbia Columbia | $3.159 | $3.999 |
| Greenville Greenville | $3.159 | $3.899 |
| Myrtle Beach Myrtle Beach | $3.239 | $3.899 |
| Indian Land Indian Land | $3.289 | $3.899 |
| Charleston Charleston | $3.359 | $4.159 |
| Mt Pleasant Mount Pleasant | $3.459 | $4.299 |
Frequently asked questions
Which Costco has the cheapest gas in South Carolina?
As of the latest daily update, Costco Spartanburg in Spartanburg has the cheapest regular gas in South Carolina at $3.079 USD per gallon. Pump prices change daily, so check the ranking on this page for the current order.
How much is Costco gas in South Carolina right now?
Across the 7 Costco fuel centers in South Carolina, regular averages $3.249 USD per gallon and premium $3.963. Those are averages of the latest pump prices — individual stations vary, so see the per-station table on this page.
Does Costco sell diesel in South Carolina?
None of the 7 Costco fuel centers in South Carolina currently report a diesel price. Diesel availability varies by warehouse — check individual station pages for the latest.
Is Costco gas in South Carolina cheaper than average?
South Carolina Costco regular averages $3.249, about $0.57 lower than the national U.S. Costco average of $3.823. Wherever you fill up, Costco fuel is usually priced below nearby branded stations.
Do you need a Costco membership to buy gas in South Carolina?
Yes — Costco gas stations in South Carolina are members-only. You scan a membership card or a Costco Shop Card at the pump before fueling; non-members can't buy fuel at Costco.
How do you pay for gas at Costco in South Carolina?
Costco gas stations in South Carolina take any Visa credit card, PIN debit, a Costco Shop Card, and Apple Pay or Google Pay linked to a Visa — but not Mastercard, Amex, Discover, or cash at the pump.
What time do Costco gas stations open in South Carolina?
Hours vary by location, and the gas station usually opens earlier and closes later than the warehouse itself. For example, the gas station at Costco Spartanburg runs 6AM – 10PM on weekdays. Check the individual station page for exact hours before a long drive.