Gas Prices in Phoenix by Year, 2018–2026
A gallon of regular gas in the Phoenix area cost $2.24 in January 2018 and $4.49 in Aug 2026, up 100%. Overall U.S. prices rose 35% over the same time, so it got more expensive even after inflation.
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Phoenix U.S. average
Gas price history in Phoenix
Phoenix area, per gallon. "In Aug 2026 dollars" adjusts each price for inflation with the national CPI.
| Year | Phoenix | In Aug 2026 dollars | U.S. average |
|---|---|---|---|
| Aug 2026 | $4.49 | $4.49 | $4.20 Aug 2026 |
| Jan 2026 | $3.04 | $3.13 | $2.96 |
| Jan 2025 | $3.12 | $3.29 | $3.21 |
| Jan 2024 | $3.21 | $3.49 | $3.22 |
| Jan 2023 | $3.47 | $3.88 | $3.45 |
| Jan 2022 | $3.64 | $4.34 | $3.41 |
| Jan 2021 | $2.34 | $3.00 | $2.33 |
| Jan 2020 | $2.86 | $3.71 | $2.57 |
| Jan 2019 | $2.53 | $3.37 | $2.29 |
| Jan 2018 | $2.24 | $3.03 | $2.54 |
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Source
U.S. Bureau of Labor Statistics, Average Price Data, series APUS48A74714 (via FRED). Prices are January averages for urban areas; the newest row is the latest month published. Inflation adjustment: BLS CPI-U, all items (FRED CPIAUCNS).
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