⛽ Costco Gas Prices in Missouri
Estimated today · Based on Missouri AAA avg · Source: AAA + historical Costco savings data
Missouri Avg Today
—
per gallon · regular
Est. Costco Price
—
~15–30¢ below state avg
⚠️ Costco does not publish real-time prices. Estimated price uses today's Missouri AAA average minus Costco's typical 15–30¢/gal savings. Actual prices vary by location.
Missouri Gas Tax Context
Missouri's state gas tax is approximately 19¢ per gallon — one of the lowest in the US. This tax applies equally to all stations including Costco, so the 15–30¢ membership discount is on top of the post-tax street price.
Membership required
Costco fuel is available to members only. $65–$130/year · Gold Star ($65/year)
Costco Gas in Missouri — FAQs
How much is gas at Costco in Missouri today?
Based on today's Missouri average of current local prices, Costco in Missouri is estimated at around $a few cents less per gallon. Costco typically prices 15–30¢ per gallon below the state average.
Is Costco gas cheaper than regular gas stations in Missouri?
Yes. Costco gas in Missouri is typically 15–30¢ per gallon cheaper than branded stations. At $the current state average, that's a meaningful per-fill-up savings.
Do you need a membership for Costco gas in Missouri?
Yes. A valid Costco Membership ($65–$130/year) is required to purchase fuel at any Costco location, including those in Missouri.
Why is gas more expensive in Missouri than the national average?
Missouri gas prices are currently near the national average of $—. State gas tax is approximately 19¢/gal.