Seattle gas price history
Every weekly average the EIA has published for Seattle since 2003-05-26 — 1,222 observations. Today is among the most expensive weeks on record: only 1% were dearer.
Your dates, compared
Was gas cheaper then?
Compare two published weeks in Seattle. Inflation-adjusted prices use September 2026 dollars.
Published weeks: 2025-09-29 and 2026-09-28. A date between releases uses the preceding observation within seven days.
Prices as paid · per gallon
$4.616 → $5.677
23.0% change
In September 2026 dollars · per gallon
$4.789 → $5.677
18.6% change
Sources: US EIA weekly retail prices; BLS monthly CPI-U. The download includes actual observation dates, units and methodology. Prices are averages, not individual station quotes.
- Regular
- Diesel (West Coast (PADD 5) Except California)
Show the data as a table
Today’s Seattle prices → What a 100-mile commute costs this week →
Where today sits
Average price by year
| Year | Average | In September 2026 money | Cheapest | Dearest |
|---|---|---|---|---|
| 2026 | $5.16 | — | $3.92 | $5.77 |
| 2025 | $4.34 | — | $4.00 | $4.68 |
| 2024 | $4.29 | $4.61 | $4.00 | $4.72 |
| 2023 | $4.63 | $5.12 | $3.97 | $5.19 |
| 2022 | $4.74 | $5.46 | $3.91 | $5.55 |
| 2021 | $3.61 | $4.48 | $2.80 | $3.95 |
| 2020 | $2.83 | $3.69 | $2.53 | $3.18 |
| 2019 | $3.29 | $4.33 | $2.96 | $3.56 |
| 2018 | $3.27 | $4.39 | $2.95 | $3.51 |
| 2017 | $2.87 | $3.95 | $2.66 | $3.07 |
| 2016 | $2.50 | $3.51 | $2.05 | $2.71 |
| 2015 | $2.77 | $3.94 | $2.23 | $3.20 |
| 2014 | $3.60 | $5.12 | $2.65 | $4.02 |
| 2013 | $3.68 | $5.33 | $3.30 | $4.04 |
| 2012 | $3.85 | $5.65 | $3.37 | $4.33 |
| 2011 | $3.72 | $5.58 | $3.20 | $4.06 |
| 2010 | $3.00 | $4.63 | $2.78 | $3.19 |
| 2009 | $2.56 | $4.02 | $1.87 | $2.93 |
| 2008 | $3.39 | $5.29 | $1.77 | $4.36 |
| 2007 | $2.95 | $4.79 | $2.42 | $3.42 |
| 2006 | $2.68 | $4.48 | $2.11 | $3.18 |
| 2005 | $2.36 | $4.07 | $1.78 | $2.89 |
| 2004 | $1.95 | $3.47 | $1.51 | $2.31 |
| 2003 | $1.63 | $2.97 | $1.47 | $1.94 |
Adjusted using published monthly BLS CPI-U (CUUR0000SA0), in September 2026 dollars. An adjusted annual mean is omitted if any weekly observation lacks published CPI. Compare against the national series →