Gas prices in St. Louis (MO only)
Gas prices in St. Louis (MO only)Daily metro average from AAA (2026-07-28), per gallon including taxes, for the St. Louis (MO only) area of Missouri.
Regular
$3.85
per gallon · €0.89/L
Midgrade
$4.24
per gallon · €0.98/L
Premium
$4.57
per gallon · €1.06/L
Diesel
$4.81
per gallon · €1.12/L
▲ 4.9% vs last week ($3.67)▲ 31.6% vs a year ago ($2.93)
Nearest Missouri metros on price
The metros immediately either side of St. Louis (MO only) in Missouri, so you can see whether paying $3.85 here is normal or not.
| Metro | Regular | vs St. Louis (MO only) |
|---|---|---|
| Joplin | $3.79 | −$0.07 |
| Columbia | $3.80 | −$0.05 |
| Springfield | $3.84 | −$0.01 |
| St. Louis (MO only) | $3.85 | — |
| Kansas City (MO only) | $3.86 | +$0.01 |
| Jefferson City | $3.88 | +$0.03 |
| St. Joseph | $3.88 | +$0.03 |
| Cape Girardeau | $3.93 | +$0.08 |
All Missouri gas prices →
State average, trend, station map and calculators.
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Frequently asked questions
How much is gas in St. Louis (MO only) right now?
Regular gasoline averages $3.85 per gallon across St. Louis (MO only) today (AAA metro average, 2026-07-28). Midgrade is $4.24, premium $4.57 and diesel $4.81.
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 4th cheapest of 8 Missouri metros AAA tracks.
Are gas prices in St. Louis (MO only) higher than a year ago?
Yes — regular is 31.6% higher than this time last year ($2.93/gal then, $3.85 now).