Costco St George
835 N 3050 E, Saint George, Utah 84790-9041
Regular
$4.799
Premium
$5.379
Diesel
$6.159
Updated Oct 14, 2026View details →
Costco Gas Prices in Saint George
Latest reported Costco fuel prices in Saint George, Utah.
- Stations
- 1
- Avg. Regular
- $4.799
- Lowest Regular
- $4.799
- Avg. Diesel
- $6.159