Longmont Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $3.86 | $4.32 | $4.59 | $4.56 | $2.94 |
| Month Ago Avg. | $3.83 | $4.32 | $4.55 | $4.52 | $2.94 |
Highest Recorded Average Gas Price In Longmont Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.58 | 07/12/26 |
| Regular | $3.86 | 07/11/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Longmont
King Soopers in Longmont (975 S Hover Rd)
975 S Hover Rd, Longmont, Colorado,
$3.36
Jul 18, 2026
0¢ Cashback
Murphy Express in Longmont (4615 City Centre Rd)
4615 City Centre Rd, Longmont, Colorado,
$3.94
Jul 18, 2026
0¢ Cashback
Murphy Express in Longmont (2375 Main St)
2375 Main St, Longmont, Colorado,
$4.00
Jul 18, 2026
0¢ Cashback
Murphy Express in Longmont (2445 Main St)
2445 Main St, Longmont, Colorado,
$4.05
Jul 18, 2026
0¢ Cashback
King Soopers in Longmont (1611 Pace St)
1611 Pace St, Longmont, Colorado,
$4.09
Jul 18, 2026
0¢ Cashback
Everyday in Longmont (900 Ken Pratt Blvd)
900 Ken Pratt Blvd, Longmont, Colorado,
$4.09
Jul 18, 2026
0¢ Cashback
King Soopers in Longmont (2257 Main St)
2257 Main St, Longmont, Colorado,
$4.17
Jul 18, 2026
0¢ Cashback
Safeway in Longmont (1050 Ken Pratt Blvd)
1050 Ken Pratt Blvd, Longmont, Colorado,
$4.19
Jul 18, 2026
0¢ Cashback
Circle K in Longmont (605 S Emery St)
605 S Emery St, Longmont, Colorado,
$4.25
Jul 18, 2026
0¢ Cashback
7-Eleven in Longmont (3914 CO-119)
3914 CO-119, Longmont, Colorado,
$4.26
Jul 18, 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.