Costco Gas PriceNow

Costco S St Louis gas prices

This station's regular prices have climbed about $0.030 per gallon over the past month, from $3.559 to $3.589. Premium is up $0.130 over the same stretch, now at $4.199.

Today's prices

Regular
$3.589
Premium
$4.199

Per gallon, USD · updated July 22, 2026

Updated today · refreshed daily

30-day price history

Regular$3.589Premium$4.199
3.403.603.804.004.20Jun 23Jun 30Jul 8Jul 15Jul 22$4.199$3.589
Posted prices at Costco S St Louis, past 30 days ($/gal).
View price history as a table
DateRegularPremium
July 22, 2026$3.589$4.199
July 21, 2026$3.559$4.199
July 20, 2026$3.559$4.199
July 19, 2026$3.499$4.149
July 18, 2026$3.459$4.099
July 17, 2026$3.399$4.099
July 16, 2026$3.379$4.079
July 15, 2026$3.379$4.079
July 14, 2026$3.379$4.079
July 13, 2026$3.379$4.079
July 12, 2026$3.399$4.049
July 11, 2026$3.399$4.049
July 10, 2026$3.399$4.049
July 9, 2026$3.399$3.999
July 8, 2026$3.399$3.999
July 7, 2026$3.399$3.999
July 6, 2026$3.399$3.999
July 5, 2026$3.399$4.049
July 4, 2026$3.399$3.999
July 3, 2026$3.439$3.979
July 2, 2026$3.439$3.979
July 1, 2026$3.459$3.979
June 30, 2026$3.469$3.989
June 29, 2026$3.479$3.999
June 28, 2026$3.479$3.999
June 27, 2026$3.479$3.999
June 26, 2026$3.479$3.999
June 25, 2026$3.479$3.999
June 24, 2026$3.479$4.039
June 23, 2026$3.559$4.069

Address

4200 Rusty Rd
Saint Louis, Missouri 63128-1973

Get directions

Gas station hours

Mon – Fri
6:00 AM – 10:00 PM
Saturday
6:00 AM – 8:30 PM
Sunday
6:00 AM – 7:30 PM

Warehouse hours

Mon – Fri
10:00 AM – 8:30 PM
Saturday
9:30 AM – 7:00 PM
Sunday
10:00 AM – 6:00 PM

Location

4200 Rusty Rd, Saint Louis 63128-1973

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