St. Louis Gas Prices
Average price per gallon in the St. Louis metro (AAA’s St. Louis (MO only) area), updated 7/24/26 from AAA. Regular is currently $3.86/gal — right at the Missouri average, and $0.24 below the U.S. average of $4.11. That ranks #6 of 8 Missouri metros, cheapest first.
Regular
$3.86
Mid-grade
$4.24
Premium
$4.58
Diesel
$4.71
Regular, change:▲ +$0.01 today▲ +$0.22 wk▲ +$0.19 mo
Regular — recent trend (45 days)
Jun 10today
Cheaper elsewhere in Missouri?
The cheapest Missouri metros right now, from the same AAA data — the lowest is $0.05 under St. Louis.
| Metro | Regular | vs St. Louis |
|---|---|---|
| Columbia | $3.82 | −0.05 |
| Joplin | $3.83 | −0.03 |
| Cape Girardeau | $3.84 | −0.02 |
| Kansas City (MO only) | $3.86 | — |
| St. Joseph | $3.86 | — |
| Jefferson City | $3.87 | — |