How gas prices have changed in Kennewick in the last week

Written by:
April 20, 2026
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How gas prices have changed in Kennewick in the last week

Stacker compiled statistics on gas prices in Richland-Kennewick-Pasco, WA metro area using data from AAA. Gas prices are current as of April 20.

Kennewick by the numbers
- Gas current price: $5.05
--- Washington average: $5.38
- Week change: -$0.04 (-0.7%)
- Year change: +$0.98 (+24.1%)
- Historical expensive gas price: $5.31 (6/15/22)

- Diesel current price: $6.79
- Week change: -$0.09 (-1.4%)
- Year change: +$2.43 (+55.8%)
- Historical expensive diesel price: $6.93 (4/10/26)

Metros with the least expensive gas
#1. Lawton, OK: $3.25
#2. Springfield, MO: $3.30
#3. Joplin, MO: $3.31

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

1 / 5
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#5. San Luis Obispo-Atascadero-Paso Robles, CA

- Regular gas price: $5.97
2 / 5
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#4. Napa, CA

- Regular gas price: $5.97
3 / 5
Rangsarit Chaiyakun // Shutterstock

#3. San Rafael, CA

- Regular gas price: $5.97
4 / 5
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#2. Salinas, CA

- Regular gas price: $5.98
5 / 5
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#1. Santa Rosa, CA

- Regular gas price: $5.99

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