Duncan Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $3.04 | $3.44 | $3.89 | $3.6 | - |
| Month Ago Avg. | $3.04 | $3.44 | $3.9 | $3.6 | - |
Highest Recorded Average Gas Price In Duncan Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $3.61 | 09/17/25 |
| Regular | $3.11 | 04/08/25 |
Top 10 Gas Stations & Cheap Fuel Prices in Duncan
Sunoco in Duncan (719 US-81)
719 U.S. 81, Duncan, Oklahoma,
$2.88
Oct 24, 2025
0¢ Cashback
Conoco in Duncan (502 Plato Rd)
502 Plato Rd, Duncan, Oklahoma,
$3.12
Oct 24, 2025
0¢ Cashback
Phillips 66 in Duncan (1815 US-81)
1815 N US-81, Duncan, Oklahoma,
$3.12
Oct 24, 2025
0¢ Cashback
Valero in Duncan (2003 Elk Ave)
2003 W Elk Ave, Duncan, Oklahoma,
$3.19
Oct 24, 2025
0¢ Cashback
Love's Country Store in Duncan (202 W Main St)
202 W Main St, Duncan, Oklahoma,
$3.63
Oct 24, 2025
0¢ Cashback
Find Cheap Gas Prices By State
Click on the state to view the State details
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.