Ontario Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $4.39 | $4.92 | $5.3 | $5.77 | - |
| Month Ago Avg. | $4.01 | $4.44 | $4.92 | $4.92 | - |
Highest Recorded Average Gas Price In Ontario Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $5.77 | 06/15/26 |
| Regular | $4.39 | 06/15/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Ontario
BP in Ontario (3675 Park Ave W)
3675 Park Ave W, Ontario, Ohio,
$4.46
Jul 01, 2026
0¢ Cashback
Speedway in Mansfield (1321 Park Ave W)
1321 N Lexington-Springmill Rd, Ontario, Ohio,
$4.47
Jul 01, 2026
0¢ Cashback
BellStores in Ontario (1340 N Lexington-Springmill Rd)
1340 N Lexington-Springmill Rd, Ontario, Ohio,
$4.58
Jul 01, 2026
0¢ Cashback
Circle K in Mansfield (2094 Park Ave W)
2094 Park Ave W, Ontario, Ohio,
$4.76
Jul 01, 2026
0¢ Cashback
Speedway in Ontario (2132 W 4th St)
2132 W 4th St, Ontario, Ohio,
$4.79
Jul 01, 2026
0¢ Cashback
Valero in Ontario (1605 West 4th St)
1605 W 4th St, Ontario, Ohio,
$5.59
Jul 01, 2026
0¢ Cashback
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Gas Data Methodology
The fuel prices published in this guide are based on the results of research completed by Way.com’s data team. Using a mix of external and internal data, we analyzed millions of prices across U.S. ZIP codes and globally.