Boulder Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $3.25 | $3.69 | $4.05 | $3.7 | $2.99 |
| Month Ago Avg. | $3.26 | $3.69 | $4.05 | $3.71 | $2.99 |
Highest Recorded Average Gas Price In Boulder Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $3.71 | 01/01/26 |
| Regular | $3.26 | 01/12/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Boulder
Boulder Gas in Boulder (2700 Baseline Rd)
2700 Baseline Rd, Boulder, Colorado,
$3.32
Jan 21, 2026
0¢ Cashback
Everyday in Boulder (1275 13th St)
1275 13th St, Boulder, Colorado,
$3.37
Jan 21, 2026
0¢ Cashback
(Temporarily Closed) - Circle K in Boulder (2995 30th St)
2995 28th St, Boulder, Colorado,
$3.55
Jan 21, 2026
0¢ Cashback
PDQ in Boulder (5200 Manhattan Cir)
5200 Manhattan Cir, Boulder, Colorado,
$3.58
Jan 21, 2026
0¢ Cashback
Conoco in Boulder (5500 Arapahoe Ave)
5500 Arapahoe Ave, Boulder, Colorado,
$3.59
Jan 21, 2026
0¢ Cashback
King Soopers in Boulder (600 S Broadway St)
600 S Broadway St, Boulder, Colorado,
$3.59
Jan 21, 2026
0¢ Cashback
Conoco in Boulder (2990 Diagonal Hwy)
2990 Diagonal Hwy, Boulder, Colorado,
$3.64
Jan 21, 2026
0¢ Cashback
Phillips 66 in Boulder (3000 28th St)
3000 28th St, Boulder, Colorado,
$3.69
Jan 21, 2026
0¢ Cashback
Circle K in Boulder (3040 N Broadway)
3040 N Broadway, Boulder, Colorado,
$3.84
Jan 21, 2026
0¢ Cashback
Conoco in Boulder (2990 Baseline Rd)
2990 Baseline Rd, Boulder, Colorado,
$3.84
Jan 21, 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.