State avg
$5.51
▼ $0.11 this week
Cheapest city
Spokane
$5.21 avg
Most expensive
Seattle
$5.89 avg
vs national avg
+$1.42
Above average
30-day price trend — regular
Washington avg
Washington state gas tax: 67¢/gal · Federal tax: 18.4¢/gal · Total tax: ~85¢/gal
Washington state has extremely high gas taxes and a cap-and-trade carbon pricing program that adds further costs. Despite having multiple refineries in the Puget Sound area, taxes dominate the price. Seattle consistently ranks as one of the most expensive major cities for gas. Eastern Washington near Spokane is somewhat cheaper.
Sources: AAA State Gas Price Averages · EIA Gasoline & Diesel Update
Nearby states
Oregon$4.995
Idaho$4.404
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