Costco gas prices in South Carolina
South Carolina average
- Regular
- $3.529
- Premium
- $4.295
Average across 7 stations, per gallon · updated July 22, 2026
Costco has 7 gas stations in South Carolina — the cheapest regular today is $3.299/gal at Costco Spartanburg in Spartanburg. South Carolina Costco regular prices have climbed about $0.307 per gallon over the past month, from $3.222 to $3.529. Premium is up $0.281 over the same stretch, now at $4.295.
Gas stations
7
South Carolina
Avg regular
$3.529
per gallon, USD
Cheapest now
$3.299
Costco Spartanburg
30-day price trend
Regular$3.529Premium$4.295
View price history as a table
| Date | Regular | Premium |
|---|---|---|
| July 22, 2026 | $3.529 | $4.295 |
| July 21, 2026 | $3.509 | $4.140 |
| July 20, 2026 | $3.299 | $4.292 |
| July 19, 2026 | $3.505 | $4.295 |
| July 18, 2026 | $3.488 | $4.280 |
| July 17, 2026 | $3.465 | $4.250 |
| July 16, 2026 | $3.436 | $4.202 |
| July 15, 2026 | $3.413 | $4.180 |
| July 14, 2026 | $3.413 | $4.209 |
| July 13, 2026 | $3.402 | $4.193 |
| July 12, 2026 | $3.369 | $4.198 |
| July 11, 2026 | $3.365 | $4.159 |
| July 10, 2026 | $3.359 | $4.123 |
| July 9, 2026 | $3.343 | $4.046 |
| July 8, 2026 | $3.225 | $3.956 |
| July 7, 2026 | $3.258 | $3.982 |
| July 6, 2026 | $3.253 | $3.892 |
| July 5, 2026 | $3.318 | $4.030 |
| July 4, 2026 | $3.309 | $3.963 |
| July 3, 2026 | $3.249 | $3.963 |
| July 2, 2026 | $3.205 | $3.935 |
| July 1, 2026 | $3.192 | $3.906 |
| June 30, 2026 | $3.193 | $3.965 |
| June 29, 2026 | $3.193 | $3.982 |
| June 28, 2026 | $3.213 | $3.989 |
| June 27, 2026 | $3.228 | $3.983 |
| June 26, 2026 | $3.240 | $3.982 |
| June 25, 2026 | $3.236 | $3.989 |
| June 24, 2026 | $3.222 | $3.996 |
| June 23, 2026 | $3.222 | $4.013 |
All stations in South Carolina
All 7 stations, sorted by regular price from lowest to highest. Prices in $/gal.
| Rank | Station | Regular | Premium |
|---|---|---|---|
| 1 | Costco SpartanburgSpartanburg | $3.299 | $3.859 |
| 2 | Costco GreenvilleGreenville | $3.459 | $4.199 |
| 3 | Costco Columbia SCColumbia | $3.499 | $4.379 |
| 4 | Costco Indian LandIndian Land | $3.499 | $4.239 |
| 5 | Costco Myrtle BeachMyrtle Beach | $3.549 | $4.289 |
| 6 | Costco CharlestonCharleston | $3.599 | $4.499 |
| 7 | Costco Mt PleasantMount Pleasant | $3.799 | $4.599 |