Costco Ontario Home Showroom
5640 East Airport Dr, Ontario, California 91761-0000
Regular
N/A
Premium
N/A
Diesel
N/A
Updated Mar 17, 2026View details →
Costco Gas Prices in Ontario
Latest reported Costco fuel prices in Ontario, California.
- Stations
- 2
- Avg. Regular
- $5.799
- Lowest Regular
- $5.799
- Avg. Diesel
- N/A
Costco Gas Stations (2)
Costco Costco
3680 E Guasti Rd, Ontario, California 91761-3708
Regular
$5.799
Premium
$6.299
Diesel
N/A
Updated Oct 26, 2026View details →