Costco Gas Prices in Spokane, WA
The north Spokane Costco (12020 N Newport Hwy) is selling Regular at $4.88/gal as of Aug 22, 2026 — one of the stations we track that also carries Diesel. Washington fuel taxes keep Spokane pump prices above the national average, which stretches the Costco discount further per tank.
Today's Costco Member Gas Prices
Costco Gas Station, 12020 N Newport Hwy, Spokane, WA. Prices are for Costco members and are updated when station prices change.
Two Costco stations in the Spokane area
This page tracks the N Newport Hwy station on the north side. Costco also runs a station at 5601 E Sprague Ave in Spokane Valley; prices at the two usually sit within a few cents.
Membership and payment
Gas is member-only — scan your Costco card at the pump. U.S. Costco stations take Visa credit cards, most debit cards and Costco Shop Cards; Mastercard, Amex and cash are not accepted.
How we track this price
We log every price change at this station daily, so the chart above is the station's actual history — not a Spokane metro average.