How gas prices have changed in Phoenix in the last week

Written by:
July 18, 2025
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How gas prices have changed in Phoenix in the last week

Stacker compiled statistics on gas prices in Phoenix-Mesa, AZ metro area using data from AAA. Gas prices are current as of July 18.

Phoenix by the numbers
- Gas current price: $3.30
--- Arizona average: $3.20
- Week change: -$0.01 (-0.4%)
- Year change: -$0.18 (-5.2%)
- Historical expensive gas price: $5.69 (6/15/22)

- Diesel current price: $3.66
- Week change: +$0.15 (+4.2%)
- Year change: -$0.10 (-2.6%)
- Historical expensive diesel price: $5.94 (6/21/22)

Metros with the least expensive gas
#1. McAllen-Edinburg-Mission, TX: $2.60
#2. Laredo, TX: $2.63
#3. Brownsville-Harlingen, TX: $2.63

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

1 / 5
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#5. Salinas, CA

- Regular gas price: $4.74
2 / 5
Rangsarit Chaiyakun // Shutterstock

#4. Santa Rosa, CA

- Regular gas price: $4.74
3 / 5
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#3. Napa, CA

- Regular gas price: $4.80
4 / 5
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#2. San Luis Obispo-Atascadero-Paso Robles, CA

- Regular gas price: $4.89
5 / 5
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#1. Lihue (Kauai), HI

- Regular gas price: $5.03

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