Gas Prices in Seattle

Real-time fuel prices for Seattle, WA. Updated weekly from EIA data.

Current Gas Prices

Week of 2026-06-29

Regular

$5.029

per gallon

Midgrade

$5.391

per gallon

Premium

$5.544

per gallon

Diesel

N/A

per gallon

-0.123 from last week

Cheapest Gas Stations in Seattle

Gas Prices Near Seattle

Find the cheapest gas in Seattle's surrounding suburbs and communities.

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All Washington Gas Prices

Compare prices across Washington

FAQ: Gas Prices in Seattle, WA

What is the average gas price in Seattle, WA?

The current average regular gas price near Seattle is approximately $5.029 per gallon, based on the Washington statewide average. Individual stations within Seattle vary based on brand, location, and local competition. Use our station list to find the best price in your area.

Where can I find the cheapest gas in Seattle?

The cheapest gas in Seattle is typically found at warehouse club stations (Costco, Sam's Club, BJ's) and grocery store fuel centers. These membership-based stations often price 5–15 cents below branded stations like Shell, Chevron, and BP. Stations along major commuter corridors tend to compete aggressively on price.

What is the best day of the week to buy gas in Seattle?

In Seattle, Monday and Tuesday mornings are historically the cheapest times to fill up, before stations adjust prices heading into the weekend. Prices typically peak on Thursday through Saturday when weekend demand rises. Avoiding the Friday afternoon rush can save you 3–8 cents per gallon.

How do Seattle gas prices compare to the Washington average?

Gas prices in Seattle tend to track closely with the Washington statewide average, though urban stations with higher real estate costs may price slightly higher than suburban or rural stations. Larger metros with many competing stations often see sharper price cuts when crude prices fall.

Does Seattle have special fuel requirements?

Fuel requirements in Seattle depend on EPA clean air designations for Washington. Metro areas with air quality concerns may require reformulated gasoline (RFG), which burns cleaner but costs slightly more. Check the EPA's RFG areas page for Seattle's current status.

About Gas Prices in Seattle

Seattle is served by gas stations that source fuel from Washington's regional supply chain. Prices at the pump include the Washington state fuel tax of 67.8¢ per gallon, the federal 18.4¢/gal tax, refinery and distribution costs, and station margins.

Drivers in Seattle can typically find the lowest prices at warehouse clubs and grocery store fuel centers. Branded stations (Shell, Chevron, BP, Exxon) offer consistency and rewards programs but usually price 5–15¢ higher than discount independents.