Gas Prices in St. Louis, MO
Updated April 5, 2026 · AAA data · Regular unleaded
Why Gas Prices in St. Louis Vary
Gas prices in St. Louis reflect a mix of local taxes, distance to fuel distribution terminals, station density, and real estate costs. As an urban market, St. Louis typically runs 3¢ above the Missouri statewide average.
Prices at individual stations can vary by 5–15 cents within the same city depending on brand, location, and local competition. Use apps like GasBuddy to find the cheapest station near you in St. Louis.
Frequently Asked Questions
What is the gas price in St. Louis right now?
The average regular unleaded price in St. Louis, Missouri is $3.580/gal as of April 5, 2026. Station prices vary — expect a range of roughly $3.480 to $3.700 across the metro area.
Is gas cheaper in St. Louis or the suburbs?
Generally, suburban areas outside St. Louis have slightly lower gas prices due to lower operating costs and property taxes. If you're near a highway interchange or warehouse district, you may find lower prices than the city center.
When is the cheapest day to buy gas in St. Louis?
Nationwide data shows Monday and Tuesday tend to have slightly lower gas prices before weekly demand picks up. Avoid buying gas Thursday through Saturday when prices are typically higher.