How gas prices have changed in St. Louis in the last week

Written by:
March 23, 2026
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How gas prices have changed in St. Louis in the last week

Stacker compiled statistics on gas prices in St. Louis (MO only) metro area using data from AAA. Gas prices are current as of March 23.

St. Louis by the numbers
- Gas current price: $3.71
--- Missouri average: $3.43
- Week change: +$0.26 (+7.5%)
- Year change: +$0.84 (+29.4%)
- Historical expensive gas price: $4.88 (6/14/22)

- Diesel current price: $4.66
- Week change: +$0.24 (+5.3%)
- Year change: +$1.44 (+44.6%)
- Historical expensive diesel price: $5.42 (6/23/22)

Metros with the least expensive gas
#1. Sioux City (IA only), IA: $3.10
#2. Lawton, OK: $3.10
#3. Joplin, MO: $3.16

Read on to see which metros have the most expensive gas prices.

1 / 5
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#5. Napa, CA

- Regular gas price: $5.89
2 / 5
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#4. San Luis Obispo-Atascadero-Paso Robles, CA

- Regular gas price: $5.92
3 / 5
Istvan Csak // Shutterstock

#3. Santa Rosa, CA

- Regular gas price: $5.95
4 / 5
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#2. San Francisco, CA

- Regular gas price: $5.97
5 / 5
Rangsarit Chaiyakun // Shutterstock

#1. San Rafael, CA

- Regular gas price: $6.02

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