How gas prices have changed in San Diego in the last week

Written by:
July 20, 2026
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How gas prices have changed in San Diego in the last week

Stacker compiled statistics on gas prices in San Diego, CA metro area using data from AAA. Gas prices are current as of July 20.

San Diego by the numbers
- Gas current price: $5.57
--- California average: $5.50
- Week change: +$0.13 (+2.3%)
- Year change: +$1.00 (+21.9%)
- Historical expensive gas price: $6.43 (10/5/22)

- Diesel current price: $6.72
- Week change: +$0.23 (+3.6%)
- Year change: +$1.70 (+33.8%)
- Historical expensive diesel price: $7.72 (4/8/26)

Metros with the least expensive gas
#1. Clarksville, IN: $3.25
#2. Evansville, IN: $3.27
#3. Columbus, IN: $3.28

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

1 / 5
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#5. Santa Rosa, CA

- Regular gas price: $5.64
2 / 5
Rangsarit Chaiyakun // Shutterstock

#4. San Rafael, CA

- Regular gas price: $5.66
3 / 5
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#3. San Francisco, CA

- Regular gas price: $5.69
4 / 5
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#2. Lihue (Kauai), HI

- Regular gas price: $5.76
5 / 5
Istvan Csak // Shutterstock

#1. San Luis Obispo-Atascadero-Paso Robles, CA

- Regular gas price: $5.79

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