Gas prices in St. Louis (MO only)
Gas prices in St. Louis (MO only)Daily metro average from AAA (2026-09-11), per gallon including taxes, for the St. Louis (MO only) area of Missouri.
Regular
$3.95
per gallon · €0.90/L
Midgrade
$4.33
per gallon · €0.98/L
Premium
$4.66
per gallon · €1.06/L
Diesel
$5.62
per gallon · €1.28/L
up vs last week 0.9% vs last week ($3.91) up vs a year ago 39.1% vs a year ago ($2.84)
Nearest Missouri metros on price
The metros immediately either side of St. Louis (MO only) in Missouri, so you can see whether paying $3.95 here is normal or not.
| Metro | Regular | vs St. Louis (MO only) |
|---|---|---|
| Kansas City (MO only) | $3.93 | −$0.02 |
| St. Joseph | $3.93 | −$0.02 |
| St. Louis (MO only) | $3.95 | — |
| Cape Girardeau | $3.98 | +$0.03 |
| Joplin | $3.98 | +$0.03 |
| Springfield | $4.03 | +$0.08 |
| Jefferson City | $4.07 | +$0.12 |
All Missouri gas prices →
State average, trend, station map and calculators.
Gas prices near me →
Your own area's price and a live map of the stations around you.
Frequently asked questions
How much is gas in St. Louis (MO only) right now?
Regular gasoline averages $3.95 per gallon across St. Louis (MO only) today (AAA metro average, 2026-09-11). Midgrade is $4.33, premium $4.66 and diesel $5.62.
Is gas cheaper in St. Louis (MO only) than the rest of Missouri?
A Missouri state comparison is unavailable today.
Where does St. Louis (MO only) rank in Missouri?
St. Louis (MO only) is the 3rd cheapest of 8 Missouri metros AAA tracks.
Are gas prices in St. Louis (MO only) higher than a year ago?
Yes — regular is 39.1% higher than this time last year ($2.84/gal then, $3.95 now).