Costco Kennewick
8505 W. Gage Blvd, Kennewick, Washington 99336-8120
Regular
$5.059
Premium
$5.559
Diesel
N/A
Updated Oct 17, 2026View details →
Costco Gas Prices in Kennewick
Latest reported Costco fuel prices in Kennewick, Washington.
- Stations
- 1
- Avg. Regular
- $5.059
- Lowest Regular
- $5.059
- Avg. Diesel
- N/A