Gas Prices in Fontana, CA
Cheapest Regular
$5.059
Average: $5.179
Cheapest Midgrade
$5.889
Average: $5.889
Cheapest Premium
$5.659
Average: $5.859
Cheapest Diesel
$7.799
Average: $7.899
Stations
3
Filling a 15 gal tank at the cheapest station saves $1.80 compared with the average.
Regular here is $0.622 cheaper than the California average.
All stations
| Station | Address | Regular | Midgrade | Premium | Diesel |
|---|---|---|---|---|---|
| Costco | 16505 Sierra Lakes Pkwy | $5.059 | – | $5.659 | – |
| Flying J | 14320 Slover Ave | $5.299 | $5.889 | $6.059 | $7.999 |
| Three Sisters Truck Plaza | 14416 Slover Ave | – | – | – | $7.799 |
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Brands
Updated Nov 6, 2026, 11:10 AM EST