Costco gas prices in South Dakota
South Dakota average
- Regular
- $3.699
- Premium
- $4.559
Average across 1 station, per gallon · updated July 22, 2026
Costco has 1 gas station in South Dakota — the cheapest regular today is $3.699/gal at Costco Sioux Falls in Sioux Falls. South Dakota Costco regular prices have climbed about $0.310 per gallon over the past month, from $3.389 to $3.699. Premium is up $0.360 over the same stretch, now at $4.559.
Gas stations
1
South Dakota
Avg regular
$3.699
per gallon, USD
Cheapest now
$3.699
Costco Sioux Falls
30-day price trend
Regular$3.699Premium$4.559
View price history as a table
| Date | Regular | Premium |
|---|---|---|
| July 22, 2026 | $3.699 | $4.559 |
| July 21, 2026 | $3.599 | $4.399 |
| July 20, 2026 | $3.599 | $4.399 |
| July 19, 2026 | $3.599 | $4.399 |
| July 18, 2026 | $3.599 | $4.399 |
| July 17, 2026 | $3.599 | $4.299 |
| July 16, 2026 | $3.499 | $4.299 |
| July 15, 2026 | $3.399 | $4.299 |
| July 14, 2026 | $3.399 | $4.299 |
| July 13, 2026 | $3.299 | $4.199 |
| July 12, 2026 | $3.199 | $4.099 |
| July 11, 2026 | $3.199 | $4.099 |
| July 10, 2026 | $3.199 | $4.099 |
| July 9, 2026 | $3.199 | $4.099 |
| July 8, 2026 | $3.099 | $4.059 |
| July 7, 2026 | $3.229 | $4.159 |
| July 6, 2026 | $3.299 | $4.199 |
| July 5, 2026 | $3.299 | $4.199 |
| July 4, 2026 | $3.299 | $4.199 |
| July 3, 2026 | $3.299 | $4.199 |
| July 2, 2026 | $3.299 | $4.199 |
| July 1, 2026 | $3.299 | $4.199 |
| June 30, 2026 | $3.349 | $4.199 |
| June 29, 2026 | $3.349 | $4.199 |
| June 28, 2026 | $3.349 | $4.199 |
| June 27, 2026 | $3.349 | $4.199 |
| June 26, 2026 | $3.349 | $4.199 |
| June 25, 2026 | $3.349 | $4.199 |
| June 24, 2026 | $3.389 | $4.199 |
| June 23, 2026 | $3.389 | $4.199 |
All stations in South Dakota
All 1 station, sorted by regular price from lowest to highest. Prices in $/gal.
| Rank | Station | Regular | Premium |
|---|---|---|---|
| 1 | Costco Sioux FallsSioux Falls | $3.699 | $4.559 |